Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land including allied works on EPC Basis at New Town Action Area-III, Kolkata, West Bengal

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering -

All work up to plinth level :

1:3:6 (1 Cement : 3 coarse sand (zone-Ill) derived from natural sources: 6 graded stone aggregate 40 mm nominal

size derived from natural sources)

1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal

size derived from natural sources)

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached

pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping,

bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of

centering, shuttering and finishing:

1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal

size derived from natural sources)

Providing and fixing at or near ground level precast cement concrete in kerbs, edgings etc. as per approved pattern

and setting in position with cement mortar 1:3 (1 Cement : 3 coarse sand), including the cost of required centering,

shuttering complete.

1:1½:3 (1 Cement: 1½ coarse sand(zone-III) derived from natural sources: 3 graded stone aggregate 20 mm

nominal size derived from natural sources).

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand (zone-III) derived from

natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed

of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including

necessary excavation, levelling & dressing & finishing the top smooth.

Providing and laying light weight Foam Concrete of density 450-500 kg/cum in sunken portion at all levels as per

direction of Engineer-In-Charge.

SUB HEAD - R C C WORK

Centring and shuttering including strutting, propping etc. and removal of form for :

Foundations, footings, bases of columns, etc. for mass concrete

Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Suspended floors, roofs, landings, balconies and access platform

Shelves (Cast in situ)

Lintels, beams, plinth beams, girders, bressumers and cantilevers

Columns, Pillars, Piers,Abutments, Posts and Struts

Stairs, (excluding landings) except spiral-staircases

Extra for shuttering in circular work (20% of respective centering and shuttering items)

Small lintels not exceeding 1.5 m clear span, moulding as in cornices, window sills, string courses, bands, copings,

bed plates, anchor blocks and the like

Edges of slabs and breaks in floors and walls

Under 20 cm wide

Above 20 cm wide

Weather shed, Chajjas, corbels etc., including edges

Extra for additional height in centering, shuttering where ever required with adequate bracing, propping etc.,

including cost of de-shuttering and decentering at all levels, over a height of 3.5 m, for every additional height of 1

metre or part thereof (Plan area to be measured).

Suspended floors, roofs, landings, beams and balconies (Plan area to be measured)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all

complete upto plinth level.

Thermo-Mechanically Treated bars of grade Fe-500D or more.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all

complete above plinth level.

Thermo-Mechanically Treated bars of grade Fe-500 D or more.

Providing and fixing in position 12mm thick bitumen impregnated fiber board conforming to IS: 1838, including cost

of primer, sealing compound Grade-A in expansion joints.

Add for plaster drip course/ groove in plastered surface or moulding to R.C.C. projections.

DESIGN MIX CONCRETE

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement

concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana /

Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate /

retard setting of concrete, to improve durability and workability without impairing strength; including pumping of

concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and

reinforcement as per direction of the engineer-in-charge; for the following grades of concrete.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately.

In case the cement content in design mix is more than 110% of the specified minimum cement content, the

contractor shall have discretion to either re-design the mix or bear the cost of extra cement.

All works upto plinth level

Concrete of M30 grade with minimum cement content of 350 kg /cum

Concrete of M35 grade with minimum cement content of 370 kg /cum

All works above plinth level upto floor V level

Concrete of M30 grade with minimum cement content of 350 kg /cum

Concrete of M35 grade with minimum cement content of 370 kg /cum

Add for using extra cement in the items of design mix over and above the specified cement content therein.

Extra for R.C.C./ B.M.C/ R.M.C. work above floor V level for each four floors or part thereof.

4th Floor to 8th Floor

9th Floor to 12th Floor

12th Floor to Above

SUB HEAD - BRICK WORK

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:

Cement mortar 1:6 (1 cement : 6 coarse sand)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above

plinth level up to floor V level in all shapes and sizes in :

Cement mortar 1:6 (1 cement: 6 coarse sand)

Brick work with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive

strength in super structure above plinth level up to floor V level in :

Cement mortar 1:6 (1 cement : 6 coarse sand)

Extra for brick work / AAC block masonry / Tile brick masonry in

superstructure above floor V level, for each four floors or part thereof by mechanical means.

4th Floor to 8th Floor

9th Floor to 12th Floor

12th Floor to Above

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundations and

Cement mortar 1:3 (1 cement: 3 coarse sand)

Half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure

above plinth level up to floor V level.

Cement mortar 1:4 (1 cement :4 coarse sand)

Brick work with modular extruded brunt fly ash clay sewer bricks(Conforming to IS: 4885) in cement mortar 1:4 (1

cement : 4 coarse sand) in foundation and plinth :

Cement Mortar 1:4 ( 1 cement : 4 coarse sand)

Half brick masonry with non modular fly ash bricks of class designation 10, conforming to IS :12894, in super

structure above plinth upto floor V level.

Cement mortar 1 : 3 (1 cement: 3 coarse sand)

Extra for half brick masonry in superstructure, above floor V level for every four floors or part thereof by mechanical

4th Floor to 8th Floor

9th Floor to 12th Floor

12th Floor to Above

Extra for providing and placing in position 2 Nos 6mm dia. M.S. bars at every third course of half brick masonry.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

SUB HEAD - MARBLE AND GRANITE WORK

Providing and fixing 18 mm thick gang saw cut, mirror polished, premoulded and prepolished, machine cut for

kitchen platforms, vanity counters, window sills, facias and similar locations of required size, approved shade,

colour and texture laid over 20 mm thick base cement mortar 1:4 (1 cement : 4 coarse sand), joints treated with

white cement, mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing to

edges to give high gloss finish etc. complete at all levels.

Granite stone slab colour black, Cherry/Ruby red

Area of slab upto 0.50 sqm

Area of slab over 0.50 sqm.

Providing edge moulding to 18 mm thick marble stone counters, Vanities etc., including machine polishing to edge

to give high gloss finish etc. complete as per design approved by Engineer-in-Charge.

Extra for fixing marble /granite stone, over and above corresponding basic item, in facia and drops of width upto

150 mm with epoxy resin based adhesive, including cleaning etc. complete.

Extra for providing opening of required size & shape for wash basin/ kitchen sink in kitchen platform, vanity counter

and similar location in marble/ Granite/ stone work, including necessary holes for pillar taps etc. including moulding,

rubbing and polishing of cut edges etc. complete.

Stone work (machine cut edges) for wall lining etc. (veneer work) upto 10 metre height, backing filled with a grout of

average 12 mm thick cement mortar 1:3 (1 cement : 3 coarse sand) including pointing in white cement mortar 1:2 (1

white cement : 2 stone dust) with an admixture of pigment

matching the stone shade : (To be secured to the backing and the sides by means of cramps and pins which shall

be paid for separately) :

Red sand stone - exposed face fine dressed with rough backing.

White sand stone - exposed face fine dressed with rough backing.

SUB HEAD - WOOD AND PVC WORK

Providing wood work in frames of doors, windows, clerestory windows and other frames, wrought framed and fixed

in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be

paid for separately).

Second class teak wood

Providing and fixing ISi marked flush door shutters conforming to IS :2202 (Part I) decorative type, core of block

board construction with frame of 1st class hard wood and well matched teak 3 ply veneering withvertical grains or

cross bands and face veneers on both faces of shutters.

35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws.

Providing and fixing ISI marked flush door shutters conforming to IS : 2202 (Part I) non-decorative type, core of

block board construction with frame of 1st class hard wood and well matched commercial 3 ply veneering with

vertical grains or cross bands and face veneers on both faces of shutters:

35 mm thick including ISI marked Stainless Steel butt hinges with necessary screws

Extra for providing lipping with 2nd class teak wood battens 25 mm minimum depth on all edges of flush door

shutters (over all area of door shutter to be measured).

Extra for cutting rebate in flush door shutters (Total area of the shutter to be measured).

Providing 40x5 mm flat iron hold fast 400 mm long including fixing to frame with 10 mm diameter bolts, nuts and

wooden plugs and embedding in cement concrete block 300x100x150 mm 1:3:6 mix (1 cement: 3 coarse sand : 6

graded stone aggregate 20 mm nominal size).

Providing and fixing Double Rod hanging floor door stopper of brass metal in SS Finish with necessary screws

etc. complete as per direction of Engineer-In-Charge.

Providing and fixing aluminium sliding door bolts, ISI marked anodised (anodic coating not less than grade AC 10

as per IS : 1868), transparent or dyed to required colour or shade, with nuts and screws etc. complete :

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and fixing aluminium tower bolts 151 marked anodlsed (anodic coating not less than grade AC 10 as

per IS : 1868) transparent or dyed to required colour or shade with necessary screws etc. complete:

Providing and fixing aluminium handles 151 marked anodised (anodic coating not less than grade AC 10 as

per IS : 1868) transparent or dyed to required colour or shade with necessary screws etc. complete:

Providing & Fixing decorative high pressure laminated sheet of plain / wood grain in gloss / matt / suede finish with

high density protective surface layer and reverse side of adhesive bonding quality conforming to IS : 2046 Type S

including cost of adhesive of approved quality.

Providing and fixing S.S. tower bolts ISI marked with necessary screws etc. complete :

Providing and fixing SS sliding door bolts of approved design & make of nuts and screws etc. complete.

Providing and fixing S.S. 304 H Type pull Handle 450 X25 mm with necessary screws etc. complete .

Providing and fixing Stainless steel double rod door stopper of approved quality & make with necessary screws etc

Providing and fixing stainless steel Hydraulic door closer , door weight up 80 kg with necessary accessories and

screws etc. complete.

Providing and fixing 100 mm Stain less steel mortice latch and lock with six levers and a pair S.S. lever handles

with necessary screws etc. complete (Best make of approved quality).

Providing and fixing stainless steel handles of grade 304 with necessary screws etc. of approved make complete as

per direction of Engineer-in-charge :

Size 155 X 12 mm

Insulated Hollow Metal Fire Doors: Medium Duty Hollow metal fire rated doors as per IS 3614: 2021, for 120 min

integrity & 30 min. insulation. Pressed galvanized steel confirming to IS 277 with the following specification.

Recommended fire door shall be tested as per IS/ISO 3008-1 & IS/ ISO 834-1, from Exova/TBW/CBRI approved

lab. Labled fire doors shall be with fire rated hardware and vision panel all as a complete assembly. Proper label

confirming the type of door and the hourly rating is mandatory. Door frame

shall be step rebate grooved profile of size 125 x 75 mm made out of 1.2 mm (18 swg) minimum thick galvanized

steel sheet. Frames shall be mitered and field assembled with self tabs. Frames to have inbuild grooved sealing

system for taking fire rated seals. All provision should be mortised, drilled and tapped for receiving ppropriate

hardware. Frames should be provided with back plate bracket and anchor fasteners for installation on a finished

plastered masonry wall opening. Frames shall be filled with fire rated puff.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Door leaf shall be 60 mm thick fully flush double skin step design door, insulated with or without vision lite. Door leaf

shall be manufactured from 1.2 mm (18 swg) minimum thick galvanised steel sheet. The internal construction of the

door should be rigid reinforcement pads for receiving appropriate hardware. The infill material shall be 120 kg high

density mineral wool insulation material. Intumescent seals 15 x 1.5 mm to be provided. All doors shall be factory

prepped for receiving appropriate hardware and

provided with necessary reinforcement for hinges, locks, and door closers. The edges should be interlocked with a

bending radius of 1.4 mm. For pair of doors integrated astragals has to be provided on the meeting stile for both

active and inactive leaf. Vision lite wherever applicable should be provided for 6mm clear borosilicate fire rated

glass as per manufacturers recommendation with a clipon arrangement. Door and frames shall be finished Pure

Polyster Powder coated and shall have passed minimum 500 hours of salt spray test. Vision lite wherever

applicable should be 6mm clear borosilicate fire rated glass as per manufacturers recommendation with a clipon

Providing and fixing fire resistant door frame of section 50 x 60 mm on horizontal side & 35 x 60 mm on vertical

sides having built in rebate made out of 1.6 mm thick GI sheet ( Zinc coating not less than 120gm/sqm) suitable for

mounting 120 minutes Fire Rated Glazed Door Shutters. The frame shall be filled with mineral wool Insulation

having density minimum 96Kg/sqm . The frame will have a provision of G.I. anchor fastners 14 nos ( 5 each on

vertical style & 4 on horizontal style of size M10 x 80 ) suitable for fixing in the opening along with factory made

template for SS ball bearing hinges of Size 100x89x3mm for fixing of fire rated glazed shutter . The frame shall be

finished with a approved fire resistant primer or powder coating of not less than 30 micron in desired shade as per

the directions of Engineer - in- Charge . (Cost of SS ball bearing hinges is excluded).

Providing and fixing 60 mm thick glazed fire resistant door shutters of 120 minutes Fire rating conforming to

IS:3614 (Part II) or EN1634-1:1999, tested and certified as per laboratory approved by Engineer-in-Charge, with

suitable mounting on door frame, consisting of vertical styles, top rail & side rail 60 mm x 60 mm wide and bottom

rail of 110 mm x 60 mm made out of 1.6mm thick G.I. sheet (zinc coating not less than 120gm/sqm) duly filled

mineral wool insulation having density minimum 96 kg/cum and fixing with necessary stainless steel ball bearing

hinges of size 100x89x3mm of approved make, including applying a coat of approved fire resistant primer or

powder coating not less than 30 micron etc all complete as per direction of Engineer-in-Charge (panelling to be paid

for seperately).

Providing and fixing panic bar / latch (Double point) fitted with a single body, Trim Latch & Lock on back side of the

Panic Latch of reputedbrand and manufacture to be approved by the Engineer- in- charge, all complete.

Providing and fixing factory made single extruded WPC (Wood Polymer Composite) solid door/window/Clerestory

windows & other Frames/ Chowkhat comprising of virgin PVC polymer of K value 58-60 (Suspension Grade),

calcium carbonate and natural fibers (wood powder/ rice husk/ wheat husk) and non toxic additives (maximum

toxicity index of 12 for 100 gms) fabricated with miter joints after applying PVC solvent cement and screwed with full

body threaded star headed SS screws having minimum frame density of 750 kg/cum, screw withdrawal strength of

2200 N (Face) & 1100 N (Edge), minimum compressive strength of 58 N/mm2, modulus of elasticity 900 N/mm2

and resistance to spread of flame of Class A category with property of being termite/borer proof, water/moisture

proof and fire retardant and fixed in position with M.S hold fast/lugs/SS dash fasteners of required dia and length

complete as per direction of Engineer-In- Charge. (M.S hold fast/lugs or SS dash fasteners shall be paid for

separately). Note: For WPC solid door/window frames, minus 5 mm tolerance in dimensions i.e depth and width of

profile shall be acceptable. Variation in profile dimensions on plus side shall be acceptable but no extra payment on

this account shall be made.

Frame size 50 x 100 mm

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and fixing factory made single extruded WPC (Wood Polymer Composite) solid plain flush door shutter of

required size comprising of virgin polymer of K value 58-60 (Suspension Grade), calcium carbonate and natural

fibers (wood powder/ rice husk/wheat husk) and non toxic additives (maximum toxicity index of 12 for 100 gms)

having minimum density of 650 kg/cum and screw withdrawal strength of 1800 N (Face) & 900 N (Edge), minimum

compressive strength 50 N/mm2, modulus of elasticity 850 N/mm2 and resistance to spread of flame of Class A

category with property of being termite/borer proof, water/moisture proof and fire retardant and fixing with stainless

steel butt hinges of required size with necessary full body threaded star headed counter sunk S.S screws, all as per

direction of Engineer-In- Charge. (Note: stainless steel butt hinges and necessary S.S screws shall be paid

Providing and fixing factory made uPVC glazed/wire mesh windows/ doors comprising of lead free uPVC multi-

chambered frame, sash and mullion/coupler (where ever required) extruded profiles having minimum wall thickness

of 1.70 mm for Series R1 and R2 profiles and 2.10 mm for Series R3 and R4 profiles conforming to EN: 12608 in

any shape, colour and design duly reinforced with galvanized mild steel section made of required shape & size as

per CPWD Specification, uPVC extruded glazing beads, interlocks and lnline sash adaptor (where ever required) of

appropriate dimension, EPDM gasket, hardware, SS 304 grade fasteners of minimum 8 mm dia with countersunk

head, comprising of matching polyamide PA6 grade sleeve for fixing frame to finished wall as per IS 1367 : Part 1

to 14, plastic packers, plastic caps and necessary stainless steel screws etc. Profile of frame, sash & mullion (if

required) shall be mitred cut and fusion welded/mechanically jointed duly sealed at all corners, including drilling of

holes for fixing hardware and drainage of water etc. After fixing frame the gap between frame and adjacent finished

wall shall be filled with weather proof silicon sealant over backer rod of approved size and quality, all complete as

per approved drawing conforming to CPWD specification & direction of Engineer-in-Charge. Section of steel

reinforcement and cross sections of uPVC profiles to be as per design approved by Engineer-in-Charge.

Wire mesh / Glazing of plain/ toughened/ laminated/ double glass unit with/ without high performance coatings as

per design requirements and conforming to IS: 3548 & IS: 16231 shall be paid separately.

Note:- Structural design proof checked from a Government

Engineering Institute, to be provided by the manufacturer for

(i) Sites with basic wind speed > 45 m/sec as per IS 875 - Part 3

(ii) Sites with structure height more than 20m for all wind speeds

Two track two panels sliding window with Aluminium channel for roller track, wool pile, nylon rollers with SS 304

Using R2 series with frame (40 mm & above) x (40 mm & above) & sash (25 mm & above) x (50 mm & above) with

zinc alloy (zamak) powder coated touch locks with hook (Height upto 1.2 metre).

Using R3 series with frame (55 mm & above) x (40 mm & above) & sash (30 mm & above) x (55 mm & above) with

zinc alloy (zamak) powder coated handle on every panel along with multi-point locking system (Height upto 1.8m).

Three track three panels sliding door with two glazed & one wire mesh panels with Aluminium channel for roller

track, wool pile, zinc alloy (zamak) powder coated handle on two panels along with multi-point locking system,

adjustable nylon rollers with SS 304 body

Using R3 series with frame (98 mm & above) x (40 mm & above) & both glazed and fly screen sash (30 mm &

above) x (74 mm & above). (Height upto 2.5 metre).

Providing and fixing 18 mm thick both sides Pre-laminated cement bonded wood particle board as per IS :

15786:2008 of approved brand and shade with suitable full threaded steel screws etc.in partitions, boxes, shelves,

racks and cupboard, kitchen cabinet under kitchen counter etc. all complete as per direction of Engineer-in-charge

(Note: Fittings to be paid separately).

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and fixing 6 mm thick both sides Pre-laminated cement bonded wood particle board as per IS :

15786:2008 of approved brand and shade with suitable full threaded steel screws etc. on the backing of racks,

drawer, cupboard, kitchen cabinet under kitchen counter etc. all complete as per direction of Engineer-in-charge.

Providing and fixing cupboard shutter with 19 mm thick one side decorative and other side balancing lamination

factory pressed BWP grade marine ply as per IS 710 of approved brand including 2 mm thick PVC edge banding

tape with hot glue by edge bending machine etc. with auto closing spring loaded hinges (hydraulic type) etc.

complete as per direction of Engineer-in-charge. (Payment of providing and fixing auto closing hinges shall be paid

Providing and fixing stainless steel fancy handle of approved make fixed with SS screws etc. complete as per

direction of Engineer-in-charge.

Providing and fixing stainless steel soft closing spring hinges at 0 degree hinges (hydraulic type) of approved

make/brand to cupboard shutters with full threaded steel screws including making necessary recess in board and

finished etc. complete as per direction of Engineer-in-charge.

Providing and fixing 2 mm thick 16 to 19 mm wide PVC edge binding tape of approved quality for

cupboard/wardrobe shutters including necessary synthetic resin hot pressed to edges on binding machine etc.

complete as per direction of Engineer- in-charge.

Providing and fixing IS : 12817 marked stainless steel butt hinges with stainless steel screws etc. complete :

Toilet Cubical-

a) Toilet Cubical shall be provided for all the internal doors of wet areas having more than one unit of W/C,

bathroom, change rooms etc. in all buildings

b) Toilet cubical shall be of 12mm thick compact board with standard height of 1995mm and 600mm door size

width (Greenlam (Sturdo)/Fundermax make) made up of thermosetting resin treated high pressure, self supporting

decorative compact laminates with permanently incorporating anti-bacterial agents during manufacturing. Compact

board should be Moisture resistant, Impact resistant, termite resistant, Scratch resistant, Weather and climatic

shock resistant. Compact board should satisfy criteria of FSC and green guard gold certification. It should be

manufactured under IS2046 and EN438-2&3:2005 standard and shall have resistance to water immersion through

permissible increase on thickness and mass <0.60% and board density >1.35kg/cm3. Finish of compact laminates

should be suede finish which includes door, pilasters and intermediate panels finished with approved

texture/shades as per IS2046 and fulfilled the criteria of fire retardant under BS-476/97 and EN438-6 with

classification of BS1D0 standard. Pilaster to be supported with SS (grade316) adjustable foot and intermediate

panels will be attached to the wall with the help of approved SS (grade316) channels and all required hardware,

made up of stainless steel as per manufacturer’s specification. All required hardware (e.g. Door knob, gravity

hinges,Thumb turn locksets with occupancy indicators ,coat hooks with door stoper , U channel, top rail with corner

connector, adjustable foot/pedestal, Rubber noice deafening tape, screw & wall plugs) shall be approved by

Engineer-in-Charge.

The top fitting should consist of SS round top rail which will get fixed with pilaster, with SS panel tube holder ,SS

corner bend (connected with top rail ) will be use in corner of cubical in absence of brick wall, SS wall fixing is used

only on the wall which will hold the SS top rail. All screw will be of 304 grade in SS with stain finish. All pilasters are

supported by SS bottom cladding. The base of the stainless steel bottom cladding will be anchored to the floor with

a clearance height upto 150 mm for European W/C whereas no clearance from floor shall be kept for indian W/C.

SUB HEAD - S T E E L WORK

Steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a

priming coat of approved steel primer using structural steel etc. as required.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

In stringers, treads, landings etc. of stair cases, including use of chequered plate wherever required, all complete

In gratings, frames, guard bar, ladder, railings, brackets,

gates and similar works

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates

at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel

Using M.S. angels 40x40x6 mm for diagonal braces

Supplying and fixing rolling shutters of approved make, made of required size M.S.laths, interlocked together

through their entire length and jointed together at the end by end locks, mounted on specially designed pipe shaft

with brackets, side guides and arrangements for inside and outside locking with push and pull operation complete,

including the cost of providing and fixing necessary 27.5 cm long wire springs manufactured from high tensile steel

wire of adequate strength conforming to IS: 4454 - part 1 and M.S. top cover of required thickness for rolling

80x1.25 mm M.S. laths with 1.25 mm thick top cover

Providing and fixing ball bearing for rolling shutters.

Extra for providing mechanical device chain and crank operation for operating rolling shutters.

Exceeding 10.00 sqm and upto 16.80 sqm in the area

Providing and fixing carbon steel galvanised ( minimum coating 5 micron) dash fastener of 10 mm dia double

threaded 6.8 grade (yield strength 480 N/mm2), counter sunk head, comprising of 10 mm dia polyamide PA 6 grade

sleeve, including drilling of hole in frame , concrete/ masonry, etc. as per direction of Engineer-in-charge.

Providing and fixing stainless steel ( Grade 304) railing made of Hollow tubes, channels, plates etc., including

welding, grinding, buffing, polishing and making curvature (wherever required) and fitting the same with necessary

stainless steel nuts and bolts complete, i/c fixing the railing with necessary accessories & stainless steel dash

fasteners , stainless steel bolts etc., of required size, on the top of the floor or the side of waist slab with suitable

arrangement as per approval of Engineer-in-charge, ( for payment purpose only weight of stainless steel members

shall be considered excluding fixing accessories such as nuts, bolts, fasteners etc.).

SUB HEAD - FLOORING WORK

Providing and laying flamed finish Granite stone flooring in required design and patterns, in linear as well as

curvilinear portions of the building all complete as per the architectural drawings with 18 mm thick stone slab over

20 mm (average) thick base of cement mortar 1:4 (1 cement: 4 coarse sand) laid and jointed with cement slurry and

pointing with white cement slurry admixed with pigment of matching shade including rubbing, curing and polishing

etc. all complete as specified and as directed by the Engineer-in-Charge :

Flamed finish granite stone slab Jet Black, Cherry Red, Elite Brown, Cat Eye or equivalent

Providing and laying Polished Granite stone flooring in required design and patterns, in linear as well as curvilinear

portions of the building all complete as per the architectural drawings with 18 mm thick stone slab over 20 mm

(average) thick base of cement mortar 1:4 (1 cement : 4 coarse sand) laid and jointed with cement slurry and

pointing with white cement slurry admixed with pigment of matching shade including rubbing, curing and polishing

etc. all complete as specified and as directed by the Engineer-in-Charge.

Polished Granite stone slab colour of Black, Cherry/Ruby Red or equivalent

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Granite stone slab 18 mm thick in risers of steps, skirting,and Cladding laid on 12 mm (average) thick cement

mortar 1:3 (1 cement : 3 coarse sand ) and jointed with grey cement slurry mixed with pigment to match the shade

of the slab, including rubbing and polishing complete.

Providing and laying Vitrified tiles in floor in different sizes (thickness to be specified by the manufacturer) with

water absorption less than 0.08% and conforming to IS:15622, of approved brand & manufacturer, in all colours

and shade, laid on 20 mm thick cement mortar 1:4 (1 cement: 4 coarse sand) jointing with grey cement slurry @3.3

kg/sqm including grouting the joints with white cement and matching pigments etc. The tiles must be cut with the

zero chipping diamond cutter only . Laying of tiles will be done with the notch trowel, plier, wedge, clips of required

thickness, leveling system and rubber mallet for placing the tiles gently and easily.

Double charge vitrified tile polished finish of size

Size of Tile 600 x 600 mm

Size of Tile 600 x 1200 mm

Glazed Vitrified tiles Matt/Antiskid finish of size

Size of Tile 600 x 600 mm

Providing and laying Vitrified tiles in different sizes (thickness to be specified by the manufacturer), with water

absorption less than 0.08% and conforming to IS: 15622, of approved brand & manufacturer, in all colours and

shade, in skirting, riser of steps, laid with cement based high polymer modified quick set tile adhesive (water based)

conforming to IS: 15477, in average 6 mm thickness, including grouting of joints (Payment for grouting of joints to

be made separately).

Size of Tile 600x600 mm

Providing and laying Vitrified tiles in different sizes (thickness to be specified by the manufacturer), with water

absorption less than 0.08% and conforming to IS: 15622, of approved brand & manufacturer, in all colours and

shade, in skirting, riser of steps, laid with cement based high polymer modified quick set tile adhesive (water based)

conforming to IS: 15477, in average 6 mm thickness, including grouting of joints (Payment for grouting of joints to

be made separately).

Size of Tile 600x600 mm

Grouting the joints of flooring tiles having joints of 3 mm width, using epoxy grout mix of 0.70 kg of organic coated

filler of desired shade (0.10 kg of hardener and 0.20 kg of resin per kg), including filling / grouting and finishing

complete as per direction of Engineer-in-charge.

Size of Tile 600x600 mm

Kota stone slab flooring over 20 mm (average) thick base laid over and jointed with grey cement slurry mixed with

pigment to match the shade of the slab including rubbing and polishing complete with base of cement mortar 1 : 4

(1 cement : 4 coarse sand) :

Kota stone slabs 25 mm thick in risers of steps, skirting, dado and pillars laid on 12 mm (average) thick cement

mortar 1:3 (1 cement 3 coarse sand) and jointed with grey cement slurry mixed with pigment to match the shade of

the slabs, including rubbing and polishing complete.

Providing and laying Ceramic glazed floor tiles of size 300x300 mm (thickness to be specified by the manufacturer)

of 1st quality conforming to IS : 15622 of approved make in colours such as White, Ivory, Grey, Fume Red Brown,

laid on 20 mm thick cement mortar 1:4 (1 Cement : 4 Coarse sand), Jointing with grey cement slurry @ 3.3 kg/sqm

including pointing the joints with white cement and matching pigment etc., complete

Providing and fixing Ist quality ceramic glazed wall tiles conforming to IS: 15622 (thickness to be specified by the

manufacturer), of approved make, in all colours, shades except burgundy, bottle green, black of any size as

approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3

(1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white

cement mixed with pigment of matching shade complete.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat

of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete.

40 mm thick with 20 mm nominal size stone aggregate

Providing and fixing removable raised/false access flooring with system and its components of approved make for

different plenum height with possible height adjustment upto 50 mm, comprising of modular load bearing floor

panels supported on G.I. rectangular stinger frame work and G.I. Pedestal etc. all complete, as per the architectural

drawings, as specified and as directed by Engineer-in-charge consisting of: (a) Providing at required spacing to

form modular framework, pedestals made out of GI tube of thickness minimum 2 mm and 25 mm outer diameter,

fully welded on to the G.I. Base plate of size 100 mm x 100 mm x 3 mm at the bottom of the pedestal tube, G.I.

pedestal head of size 75mmx75mmx3.5 mm welded with GI fully threaded stud 16 mm outer diameter with two GI

Check nuts screwed on the stud for level adjustment upto 50mm, locking and stabilizing the pedestal head in

position at the required level. The pedestals shall be fixed to the subfloor (base) through base plate using epoxy

based adhesive of approved make or the machine screw with rawl plug. (b) Stringers system in all steel

construction hot dipped galvanized of rectangular size 570x20x30x0.80 mm thick having holes at both ends for

securing the stringers on to the pedestal head using fully threaded screws ensuring maximum lateral stability in all

directions, the grid formed by the pedestal and stringer assembly shall receive the floor panel, this system shall

provide adequate solid, rigid support for access floor panel, the system shall provide a minimum clear uninterrupted

clearance between the bottom of the floor for electrical conduits and wiring etc. all complete as per the architectural

drawings, as specified and as directed by the Engineer-in-charge.

(c) Providing and fixing Access Floor panel of 600x600x32 mm medium grade Filled Steel anti static high pressure

Lamination of 800H grade (FS800H). Access Floor panel shall be steel welded construction with an enclosed

bottom pan with uniform pattern of 64 hemispherical cones. The top and bottom plates of Steel Gauges: top 0.6 mm

and bottom 0.7 mm fused spot welded together (minimum 64 welds in each dome and 20 welds along each flange).

The panel should be Corroresist epoxy coated for lifetime rust protection and cavity formed by the top and bottom

plate is filled with Pyrogrip noncombustible Portland cementitious core mixed with light weight foaming compound.

The access floor shall be factory finished with Anti-static High Pressure laminate with Non Warp technology upto 1

mm thickness for superior adhesion and Surface flatness within 0.75mm. The panel is to withstand a Concentrated

Load of 363 kgs applied on area 25 mm x 25 mm without collapse in the centre of the panel which is placed on four

steel blocks. The panel will withstand and Uniformly Distributed Load (UDL) minimum 1250 kg/sqm and an impact

load of 50kg all complete as per the approved manufacturers specification and as per the direction of Engineer-in-

charge. All specification must be printed on the side of the panel to ensure the quality of the product.

450 mm Finished Floor Height (FFH).

Extra for pre finished nosing in treads of steps of Kota stone/ sand stone slab

Extra for Kota stone/ sand stone in treads of steps and risers using single length up to 1.05 metre.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and laying rectified Glazed Ceramic floor tiles of size 300x300 mm or more (thickness to be

specified by the manufacturer), of 1st quality conforming to IS : 15622, of approved make, in colours

White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement: 4 Coarse sand),

including grouting the joints with white cement and matching pigments etc., complete.

25 mm wooden planking, tongued and grooved in flooring, including fixing with iron screws complete with :

Second class teak wood

Providing and fixing, in position concealed G.I. section for wall paneling using board of required thickness fixed on

the 'W' profile (0.55 mm thick) having a knurled web of 51.55 mm and two flanges of 26 mm each with lips of 10.55

mm, placed @ 610 mm CIC in perimeter channel having one flange of 20 mm and another flange of 30 mm with

thickness of 0.55 mm and web of length 27 mm. Perimeter channel is fixed on the floor and the ceiling with the

nylon sleeves @ 610 mm CIC with fully threaded self-tapping dry wall screws. Board is fixed to the 'W' profile with

25 mm countersunk ribbed head screws @ 200 mm CIC., all complete as per the drawing & directions of engineer-

in-charge, the joints of the boards are finished with specially formulated jointing compound and 48 mm wide jointing

tape to provide seamless finish.

Multipurpose cement board reinforced with suitable fibre cement screw.

8 mm thick Cement bonded wood particle board as per IS:14276

Providing & fixing in position Phenol bonded Bamboo wood flooring with planks of sizes 14 mm thick, minimum

1800 mm length and minimum 100 mm wide, in approved colour, texture and finish, having Performance Appraisal

Certificate (PAC) issued by Building Materials & Technology Promotion Council (BMTPC). The flooring shall be

fixed with tongue and groove interlocking system, with underlayment of 4 mm thick expanded polyethylene foam

sheets having density 40 kg/cum, over prepared surface with necessary quarter round planks of size 1900 mm x 18

mm and door reducer of size 1900 mm x 44 mm, wherever required. The bamboowood planks shall have minimum

density of 1000 Kg/cum & minimum Hardness 1000 Kgf. with Eco friendly UV coating, all complete as per direction

of the Engineer in-charge

Providing & fixing in position Phenol bonded Bamboo wood in wall skirting with planks of sizes 14 mm thick, 1900

mm length (minimum) and 85 mm wide(minimum), in approved colour, texture and finish, having Performance

Appraisal Certificate (PAC) issued by Building Materials & Technology Promotion Council (BMTPC). The skirting

shall be fixed with SS screws & rawl plugs, over underlayment of 4 mm thick, expanded polyethylene foam sheets

having 40 kg/cum density over prepared surface. The bamboo wood planks shall have minimum density of 1000

Kg/cum & minimum Hardness 1000 Kgf. with Eco friendly UV coating, all complete as per direction of the Engineer

Providing and fixing Heat Resistant Terrace Tiles (300 mm x 300 mm x 20 mm) with SRI (solar refractive index) >

78, solar reflection > 0.70 and initial emittance > 0.75 on waterproof and sloped surface of terrace, laid on 20 mm

thick cement sand mortar in the ratio of 1:4 (1 cement : 4 coarse sand) and grouting the joints with mix of white

cement & marble powder in ratio of 1:1, including rubbing and polishing of the surface upto 3 cuts complete,

including providing skirting upto 150 mm height along the parapet walls in the same manner

Carpet Flooring

Flocked floor covering rolls or equivalent having a density of 70 million fibers of nylon 6.6 per sqm , Appearance

Retention Hexapod ISO 140-8, Friction Slip Resistance Test EN 14041 Class DS, sanitized anti-microbial treatment

with resilient waterproof backing ,anti-allergic certified by British allergy foundation, anti-static, thickness 8 mm and

approximate weight of 1.8 k.g./sqm of roll form. The resistance to fire should be as per EN 13501-1: Bfl-s1. shade

as approved by client and installed by approved applicator of manufacturer. Flocked flooring should be installed

over CC flooring as per manufacturer specification and directions of Engineer in charge.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Acoustic Wall Paneling (Lower level Upto 8' from bottom or as per design):- Providing and fixing high moisture

resistant Slated Wooden Acoustic panel with lineal perforations to be fixed on walls.The panels shall be with

melamine laminate (Beech, Maple, Natural Teak, mahogany etc.) finish of size 2440mm x 128/192mm x 16mm

with 4mm grooves at 28 mm pitch toungue and groove edges for seamless mounting having density of not less

than 800 kg/m3 and system NRC of 0.83 as per IS 8225 / ISO 354 / ASTM 423C . The back of the panels are

perforated with 10mm diameter circular holes with a nonwoven fabric covering of 0.2mm for providing Sound

absorption via the acoustic impedance method. Panel is to be fixed on 50mm GI framework consisting of

48x36x34x0.5mm thick GI Studs wall channels & 50x35x35x0.5mm floor channels @ 600mm c/c back support

with 18mm aluminium keel channel with centre & edge bracket as recommended by the manufacturer with screw

fixed horizontal / vertical to wall in tongue & groove system. The cavity of GI framework should be inserted with

50mm thick 1000GSM, thermally bonded polyester fibre for better insulation. The shade of panel will be approved

by engineer in charge.

Acoustic Wall Panelling Above 8' or as per design:- Providing & fixing of acoustical wall panels of 18mm thickness

in 25x12mm V groove or required design, the panels are manufactured from 100% Polyethylene Terephthalate

(PET) having density of 180-200Kgs/m3 and system NRC of 0.85, panels should be fire resistant as per B1 Class

A. The panel to be glued over 12mm thick HDHMR perforated board (having 18-21% random perforations of

12mm dia as per design drawings) which is fixed over 50mm GI framework consisting of 48x36x34x0.50mm thick

GI Studs wall channels & 50x35x35x0.50mm floor channels @ 600mm c/c. The cavity of GI framework should be

inserted with thermaly bonded polyester fibre of 50mm thick 1000 GSM density for better insulation. The panel size

will be 1200 x 2400 mm in different colors can be cut in shapes as per the design drawings. The panels to be

pasted on the perforated ply with SR505 adhesive . The work to be done complete as per the design &

instructions of Architect including all accessories/hardware as required.

Cement plaster skirting up to 30 cm height, with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a

floating coat of neat cement.

Extra for pre finished nosing to treads of steps of granite stone

Extra for Granite stone flooring in treads of steps and risers using single length up to 2.00 metre.

Add for extra 2 nos grooves in granite treads size of 5mm X 10mm as per direction of Engineer in Charge.

Supplying and fixing of PVC Rumble Strips made of high-quality thermoplastic/PVC material, size 500mm x 125mm

x 15mm (or as approved), yellow/black color, anti-skid, with reflectors/cat-eyes as per IRC guidelines. To be fixed

on the road surface using epoxy resin adhesive and/or anchor bolts, including surface cleaning, curing, and all

materials, labor, tools, transportation, and incidentals required to complete the work as per drawings and direction

of the Engineer-in-Charge.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing, supplying, and applying of 3 mm thick deceptive Grade ESD Flooring system with fibre free system

.Having the technical parameters: Surface Resistivity of 1X10^6 to 1x10^9 ohms as per ASTM F 150; Elongation of

the material to be minimum 10-12% as per ASTM D 638, Abrasion resistance will be 65-80 mg loss with 1000 cycle

of CS 17 wheel. Impact resistance to be 1.8kg-100cm as per IS 101 and the scratch resistance will be minimum 4

kg pass as per IS 101. Recommended Dry Film Thickness of ESD shall be 1000 microns as per ASTM D

7091.This must be applied over a solvent free 100-micron, water based two component conductive coating , VOC

free nontoxic ESD under coat to be applied over properly placed copper tapes, which is placed in a grid pattern over

the screed of at a thickness of 2 mm. This has to be applied over an epoxy-based primer having pull off adhesion: ≥

2 Mpa of thickness recommended by the manufacturer. All substrate to be well grinded and free from all

contaminations and crack free. The surface must be Clean, dry, and sound concrete must be surface prepared

using Scarification & Grinding. The residual moisture should be less than 5%.

Providing and laying matt finished vitrified tile of size 600x600x12 mm having with water absorption less than 0.5%

and conforming to IS: 15622 of approved make in all colours and shades in for outdoor floors such as footpath,

court yard, multi modals location etc., laid on 20 mm thick base of cement mortar 1:4 (1 cement : 4 coarse sand) in

all shapes & patterns including grouting the joints with white cement mixed with matching pigments etc. complete as

per direction of Engineer-in-Charge.

Providing and laying C.C. pavement of mix M-25 with ready mixed concrete from batching plant. The ready mixed

concrete shall be laid and finished with screed board vibrator , vacuum dewatering process and finally finished by

floating, brooming with wire brush etc. complete as per specifications and directions of Engineer-in-charge. (The

panel shuttering work shall be paid for separately).

(Note:- Cement content considered in this item is @ 330 kg/cum. Excess/less cement used as per design mix is

payable/ recoverable separately).

SUB HEAD - FINISHING WORK

Providing and applying 12 mm thick (average) premixed formulated one coat gypsum lightweight plaster having

additives and light weight aggregates as vermiculite/ perlite respectively conforming to IS: 2547 (Part - 1 & II) 1976,

applied on hacked / uneven background such as bare brick/ block/ RCC work on walls & ceiling at all floors and

locations, finished in smooth line and level etc. complete.

6 mm cement plaster of mix :

Providing and applying 6 mm thick (average) premixed formulated one coat gypsum lightweight plaster having

additives and light weight aggregates as vermiculite/ perlite respectively conforming to IS: 2547 (Part - 1 & II) 1976,

applied on hacked / uneven background such as ceiling at all floors and locations, finished in smooth line and level

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

1:6 (1 cement: 6 fine sand)

15 mm cement plaster on the rough side of single or half brick wall of mix :

1:4 (1 cement: 4 fine sand)

1:6 (1 cement: 6 fine sand)

6 mm cement plaster of mix :

1:3 (1 cement : 3 fine sand)

18 mm cement plaster in two coats under layer 12 mm thick cement plaster 1:5 (1 cement : 5 coarse sand) finished

with a top layer 6 mm thick cement plaster 1:6 (1 cement : 6 fine sand).

Extra for providing and mixing water proofing material in cement plaster work in proportion recommended by the

Extra for plastering exterior walls of height more than 10 m from ground level for every additional height of 3 m or

Providing and applying plaster of paris putty of 2 mm thickness over plastered surface to prepare the surface even

and smooth complete.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

White washing with lime to give an even shade

New work (three or more coats)

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of

approved manufacturer and of required shade and colour all complete to achieve even shade and colour :

New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC

content less than 50 gram/litre

Finishing walls with Acrylic Smooth exterior paint of required shade :

New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @

0.90 litre/10 sqm)

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :

Two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and

Supply & Installation of Open Groove Zinc Composite Panel rain screen cladding system (thickness: minimum

4mm) 990 mm X up to 3000 mm ZCP sheets made with 0.7 mm ,3 mm Mineral Core & 0.5 mm Aluminium Skin .

To be fixed over Aluminium Box Section using suitable screws, cleats as per site conditions .Zcp shall have TBW

testing certification for reaction to fire as per item is a rolled zinc alloyed with copper and titanium,. It is factory

treated on the visible surface, giving it a rough, light grey appearance from the outset. The innovative

transformation process modifies both the surface roughness of natural zinc and its colour. The heterogeneous

surface, punctuated by asperities, is insensitive to fingerprints. All surface treatment for the top skin to be done by

the zinc coil manufacturer at their facility .No third party coating / surface treatment shall be acceptable . Zinc

manufacturer & ZCP manufacturer should have presence in India & successfully supplied material for Indian

Government Projects of similar magnitude ZCP manufacturer to submit proof of origin of goods & MTC of zinc coil

from Zinc manufacturer for the lot of zinc coil used for this project .Providing & fixing in position 4mm thick. Zinc

composite panels in facade and soffit of approved make conforming to ASTM standard /specifications comprising of

3mm thick FR grade mineral Core. 3mm Fire grade core is sandwiched between skins of 0.50mm thick pre-

weathered engraved zinc sheet or approved shade finish zinc sheet & 0.5 mm Aluminum to have overall thickness

of 4mm Fixing of surface cladding to masonry/ concrete faces/steel structure as called for, including appropriate

and adequate framework of aluminum hollow sections as per drawings to fix the composite panel to the Al frame,

straight/slope including all accessories. The system shall be designed in a way it should allow gaps for ventilation

The system shall be designed and detailed drawing with quantities shall be provided by the manufacturer as per

wind load and architectural drawing .No Silicone will be used for groove . Its an open groove system with minimum

groove of15 mm. Standard Sheet Size will be 990 mm wide & length up to 3000 mm .

Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer,

over the plastered wall surface to prepare the surface even and smooth complete.

Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound )

content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever

required to achieve even shade and colour.

Applying priming coats with primer of approved brand and manufacture,having low VOC (Volatile Organic

Compound ) content.

With water thinnable cement primer on wall surface having

VOC content less than 50 grams/litre

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Melamine polishing on wood work (one or more coat).

Providing & Applying high quality acrylic modified resin based texture of Dholpur/Red sand stone Pattern with anti

algae and UV resistance properties to be applied as intermediate finish in desired pattern @ 43.04 kg/10 sqm to

form film of 1- 1.5 mm thickness after scrapping and properly cleaning the surface to remove loose particles from

the plaster surface, followed by top coating with Premium Acrylic Smooth exterior paint with Silicone additives of

required shade by two or more coats @ 1.43 litre/10 sqm, complete as the direction of Engineer -in-Charge.

Providing & laying texture paint (Finished thickness 1.2mm to1.5 mm ) Ultra naturale of Ultratech make or

equivalent with natural stone crushed powder mixed with pigmentation (0.01 % - 3.00%) applied over plaster

surface within grooves. Acrylic primer added with wall sealer to be over the surface for better adhesion of the

texture with surface. 1st coat without chips to be applied as base coat which gives added strength to the final

product, to be applied with spray gun with 2hp pressure . Texture coat to be applied with chips of stone powder

having available natural stone base shade with stainless steel trowel finished with spray gun , final coat of siloxiene

base protection coat to be applied which make the product completely water repellent / dust resistant / anti fungal

which ensures with a warranty of 07 years on shades and sustainability ,whereas grooves are to be crafted in

plaster as design approved by engineering in charge.

Providing and fixing high impact resistant surface mount Corner Guard having Vinyl Snap on cover (Lead Free) of

.080" (2mm) thickness shall be extruded from chemical and stain resistant polyvinyl chloride with the addition of

impact modifiers iis No plasticizers shall be added (plasticizers may aid in bacterial growth). Surface shall have a

Pebblette texture for scratch resistannce.Continuous Aluminum Retainer of .070" thickness shall be fabricated from

6063-T5 aluminum, with a mill finish. ii Dimensions to be of 3" (76mm) x 3" (76mm),90 degree. The rigid vinyl profile

shall resist an Impact Strength of 30.2 ftlbs/inch as per ASTM D-256-90b and shall not support fungal or bacterial

growth inaccordance with ASTM G-21 and G-22. The system shall also conform to class A fire rating and ASTM D-

543 for chemical and stain resistance. It includes Top caps and bottom caps which shall be made of injection

molded thermoplastics. (Approved makes Construction Specialities / Inprocorp India Pvt. Ltd. / Gradus).

SUB HEAD - ROOFING WORK

Providing and fixing false ceiling at all heights including providing and fixing of frame work made of special sections,

power pressed from M.S. sheets and galvanized with zinc coating of 120 gms/sqm (both side inclusive) as per IS :

277 and consisting of angle cleats of size 25 mm wide x 1.6 mm thick with flanges of 27 mm and 37mm, at 1200

mm centre to centre, one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50 mm long with 6 mm dia

bolts, other flange of cleat fixed to the angle hangers of 25x10x0.50 mm of required length with nuts & bolts of

required size and other end of angle hanger fixed with intermediate G.I. channels 45x15x0.9 mm running at the

spacing of 1200 mm centre to centre, to which the ceiling section 0.5 mm thick bottom wedge of 80 mm with

tapered flanges of 26 mm each having lips of 10.5 mm, at 450 mm centre to centre, shall be fixed in a direction

perpendicular to G.I. intermediate channel with connecting clips made out of 2.64 mm dia x 230 mm long G.I. wire

at every junction, including fixing perimeter channels 0.5 mm thick 27 mm high having flanges of 20 mm and 30 mm

long, the perimeter of ceiling fixed to wall/partition with the help of rawl plugs at 450 mm centre, with 25 mm long

dry wall screws @ 230 mm interval, including fixing of gypsum board to ceiling section and perimeter channel with

the help of dry wall screws of size 3.5 x 25 mm at 230 mm c/c, including jointing and finishing to a flush finish of

tapered and square edges of the board with recommended jointing compound , jointing tapes , finishing with jointing

compound in 3 layers covering upto 150 mm on both sides of joint and two coats of primer suitable for board, all as

per manufacturer's specification and also including the cost of making openings for light fittings, grills, diffusers,

cutouts made with frame of perimeter channels suitably fixed, all complete as per drawings, specification and

direction of the Engineer in Charge but excluding the cost of painting with :

12.5 mm thick tapered edge gypsum plain board conforming to IS: 2095-(Part I) :2011 (Board with BIS certification

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

12.5 mm thick tapered edge gypsum moisture resistant board

Providing and fixing tiled false ceiling of specified materials of size 595x595 mm in true horizontal level, suspended

on inter locking metal grid of hot dipped galvanized steel sections ( galvanized @ 120 grams/ sqm, both side

inclusive) consisting of main "T" runner with suitably spaced joints to get required length and of size 24x38 mm

made from 0.30 mm thick (minimum) sheet, spaced at 1200 mm center to center and cross "T" of size 24x25 mm

made of 0.30 mm thick (minimum) sheet, 1200 mm long spaced between main "T" at 600 mm center to center to

form a grid of 1200x600 mm and secondary cross "T" of length 600 mm and size 24x25 mm made of 0.30 mm thick

(minimum) sheet to be interlocked at middle of the 1200x600 mm panel to form grids of 600x600 mm and wall

angle of size 24x24x0.3 mm and laying false ceiling tiles of approved texture in the grid including, required

cutting/making, opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc. Main "T"

runners to be suspended from ceiling using GI slotted cleats of size 27 x 37 x 25 x1.6 mm fixed to ceiling with 12.5

mm dia and 50 mm long dash fasteners, 4 mm GI adjustable rods with galvanised butterfly level clips of size 85 x

30 x 0.8 mm spaced at 1200 mm center to center along main T, bottom exposed width of 24 mm of all T-sections

shall be pre-painted with polyester paint, all complete for all heights as per specifications, drawings and as directed

by Engineer-in-charge.

GI Metal Ceiling Lay in plain Tegular edge Global white color tiles of size 595x595 mm, and 0.5 mm thick with 8 mm

drop; made of G I sheet having galvanizing of 100 gms/sqm (both sides inclusive) and electro statically polyester

powder coated of thickness 60 microns (minimum), including factory painted after bending.

Providing and Fixing 15 mm thick densified tegular edged eco friendly light weight calcium silicate false ceiling tiles

of approved texture of size 595 x 595 mm in true horizontal level, suspended on inter locking metal grid of hot

dipped galvanised steel sections (galvanising@ 120 grams per sqm including both side) consisting of main 'T'

runner suitably spaced at joints to get required length and of size 24x38 mm made from 0.33 mm thick (minimum)

sheet, spaced 1200 mm centre to centre, and cross "T" of size 24x28 mm made out of 0.33 mm (Minimum) sheet,

1200 mm long spaced between main'T' at 600 mm centre to centre to form a grid of 1200x600 mm and secondary

cross 'T' of length 600 mm and size 24 x28 mm made of 0.33 mm thick (Minimum) sheet to be inter locked at

middle of the 1200x 600 mm panel to from grid of size 600x600 mm, resting on periphery walls /partitions on a

Perimeter wall angle pre-coated steel of size(24x24X3000 mm made of 0.40 mm thick (minimum) sheet with the

help of rawl plugs at 450 mm centre to centre with 25 mm long dry wall screws @ 230 mm interval and laying 15

mm thick densified edges calicum silicate ceiling tiles of approved texture in the grid, including, cutting/ making

opening for services like diffusers, grills, light fittings, fixtures, smoke detectors etc., wherever required. Main 'T'

runners to be suspended from ceiling using G.I. slotted cleats of size 25x35x1.6 mm fixed to ceiling with 12.5 mm

dia and 50 mm long dash fasteners, 4 mm G.I. adjustable rods with galvanised steel level clips of size 85 x 30 x 0.8

mm, spaced at 1200 mm centre to centre along main 'T'. Bottom exposed with 24 mm of all T-sections shall be pre-

painted with polyster baked paint, for all heights, as per specifications, drawings and as directed by Engineer-in-

Note :- Only calcium silicate false ceiling area will be measured from wall to wall. No deduction shall be made for

exposed frames/opening (cut outs) having area less than 0.30 sqm.The calcium silicate ceiling tile shall have NRC

value of 0.50 (Minimum), light reflection> 85%, non- combustible as per B.S. 476 part IV, 100% humidity resistance

and also having thermal conductivity

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing & fixing false ceiling at all height including providing & fixing of framework made of special section, power

pressed from M.S. sheets and galvanised with zinc coating of 120 gms/ sqm (both side inclusive) as per IS : 277

and consisting of angle cleat of size 25 mm wide x 1.6 mm thick with flanges of 27 mm and 37mm, at 1200 mm c/c,

one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50 mm long with 6 mm dia bolts, other flange of

cleat fixed to the angle hangers of 25 x10 x0.50 mm of required length with nuts & bolts of required size and other

end of angle hanger fixed with intermediate G.I chanels 45 x15 x 0.90 mm running at the spacing of 1200 mm c/c,

to which the ceiling section 0.5 mm thick bottom wedge of 80 mm with tapered flanges of 26 mm each having lips of

10.5mm, at 450 mm c/c, shall be fixed in a direction perpendicular to G.I intermediate channel with connecting clip

made out of 2.64 mm dia x 230 mm long G.I wire at every junction, including fixing perimeter channels 0.50 mm

thick 27 mm high having flanges of 20 mm and 30 mm long, the perimeter of ceiling fixed to wall/ partitions with the

help of Rawl plugs at 450 mm centre, with 25 mm long dry wall screws @ 230 mm interval, including fixing of

Calcium Silicate Board to ceiling section and perimeter channels with the help of dry wall screws of size 3.5 x25 mm

at 230 mm c/c, including jointing & finishing to a flush finish of tapered and square edges of the board with

recommended jointing compounds, jointing tapes.finishing with jointing compounds in three layers covering up to

150 mm on both sides of joints and two coats of primer suitable for boards, all as per manufacture's specification

and also including the cost of making opening for light fittings, grills, diffusers, cut outs made with frame of

perimeter channels suitably fixed, all complete as per drawings, specificaton and direction of the Engineer in charge

but excluding the cost of painting with:

8 mm thick Calcium Silicate Board made with Calcareous & Siliceous materials reinforced with cellulose fiber

manufactured through autoclaving process

Providing and fixing mineral fibre false ceiling tiles at all heights of size 595X595 mm of approved texture, design

and pattern. The tiles should have Humidity Resistance (RH) of 99%, Light Reflectance ≥ 85%, Thermal

Conductivity k = 0.052 - 0.057 w/m K, Fire Performance as per (BS 476 pt - 6 &7)in true horizontal level suspended

on interlocking T-Grid of hot dipped all round galvanized iron section of 0.33 mm thick (galvanized @120 gsm)

comprising of main T runners of 15x32 mm of length 3000 mm, cross T of size 15x32 mm of length 1200 mm and

secondary intermediate cross T of size 15x32 mm of length 600 mm to form grid module of size 600x600 mm

suspended from ceiling using galvanized mild steel item (galvanised@80gsm) 50 mm long 8 mm outer diameter M-

6 dash fasteners, 6 mm diameter fully threaded hanger rod up to 1000 mm length and L-shape level adjuster of size

85x25x2 mm, spaced at 1200 mm centre to centre along main ‘T’. The system should rest on periphery walls

/partitions with the help of GI perimeter wall angle of size24x24X3000 mm made of 0.40 mm thick sheet, to be fixed

to the wall with help of plastic rawl plug at 450 mm centre to centre & 40 mm long dry wall S.S. screws. The

exposed bottom portion of all T-sections used in false ceiling support system shall be pre-painted with polyester

baked paint, for all heights. The work shall be carried out as per specifications, drawings and as per directions of

the engineer-in-charge.

With 20 mm thick beveled tegular mineral fibre false ceiling tile (NRC 0.7)

Supplying and installation of moisture resistant/fire resistant cement board as per standard sizes fixed with self-

drilling / taping screws. Screws shall be of counter sunk rib head of 1.60 mm to 4 mm thick or 8 to 10 gauge of

length varying from 25 to 45 mm.

Cement Fiber Board 6 mm thick as per IS 14862:2000 of type B (High pressure Steam Cured)

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Micro-perforated Acoustic Gypsum board in Ceiling:

Providing & fixing perforated Gypsum false ceiling , as marked in the drawings, consisting of GI perimeter

channels of size 0.50mm thick (having one flange of 20mm and another flange of 30mm and a web of 27mm)

along with perimeter of ceiling, screw fixed to brick wall/ partition with the help of nylon sleeves and screws, at

610mm c/c. Then suspending GI intermediate channels of size 45mm (0.9mm thick with 2 flanges of 15mm

each) from the soffit at 1220mm c/c with ceiling angles of width 25mm x 10mm x 0.50mm thick fixed to soffit with

GI cleats and steel expansion fasteners. Ceiling section of 0.50mm thickness having knurled web of 51.5mm and

two flanges of 26mm each with lips of 10.5mm are then fixed to the intermediate channel with the help of

connecting clips and in a direction perpendicular to the intermediate channel at 300mm c/c. Finished in 12.5mm

thick micro-perforated gypsum board, 1200mm x 2400mm, with 3x3mm square perforations. The perforated

boards shall be fixed in combination of 12mm thick gypsum board as shown in drawind. The board shall have

an overlay of 50mm thick, 1000 GSM polyester wadding, appropriately covered with FGT tissue (in the case of

glasswool/ rockwool). The ceiling to be finished with 2 or more coats of mat type plastic emulsion paint after

proper jointing & making surface smooth.

Providing & fixing Compressed Polyester fibre acoustical panels, 9 mm thick acoustic polyester fibre pad pasted on

16 mm thick perforated wooden panels by rubber based adhesive for rigid fixation. The Polyester fibre acoustic

panels to be backed with black acoustic fleece. Total thickness of the Composite Acoustic panel will be 25 mm. All

joints of Polyester fibre acoustic panel should have dowel connection to avoid any sagging /unevenness. All

Polyester fibre acoustic panels should be should be fixed on GI ‘Z’ clamp made out of 1 mm thick GI sheet of size

30 mm x 30 mm collar and 50 mm high to match with the installed GI frame. The edges of the polyester fibre pad

to be taper cut by special purpose machine to produce a ‘V’ joint at all four ends. The Polyester fibre acoustic panel

of size 600 mm x 600 mm / 600 x 1200 mm, with a perforated pattern of dia. 08/10 mm or as per acoustic design /

Architects approval for better absorption. The polyester fibre to be chemically treated for fire retardancy. GI

perimeter channels of size 0.5mm thick (having one flange of 20mm and another flange of 30mm and a web of

27mm) along with perimeter of ceiling, screw fixed to brick wall/ partition with the help of nylon sleeves and screws,

at 610mm c/c. Then suspending GI intermediate channels of size 45mm (0.9mm thick with 2 flanges of 15mm

each) from the soffit at 1220mm c/c with ceiling angles of width 25mm x 10mm x 0.5mm thick fixed to soffit with GI

cleats and steel expansion fasteners. Ceiling section of 0.5mm thickness having knurled web of 51.5mm and two

flanges of 26mm each with lips of 10.5mm are then fixed to the intermediate channel with the help of connecting

clips and in a direction perpendicular to the intermediate channel at 457mm c/c. 25mm tapered egde (confirming to

IS: 2095-1996: Part-I) is then screw fixed to ceiling section with 25mm drywall screws at 230mm c/c. Screw fixing is

done mechanically with drilling machine with suitable attachment.

Providing and fixing thermal and acoustic false ceiling with modular acoustic ceiling tiles (e.g. Armstrong or

equivalent) of size 600mm x 600mm x 15mm, having minimum NRC (Noise Reduction Coefficient) of 0.65 and

thermal resistance (R-value) of 1.0 m²·K/W or higher, laid on powder-coated galvanized exposed grid system

24mm, suspended from the ceiling using GI suspension rods, channels, and hangers. Work includes all necessary

scaffolding, cut-outs for services (lighting, fire detectors, etc.), and finishing complete as per manufacturer's

specification and direction of Engineer-in-Charge

SUB HEAD - ROAD WORK

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and laying design mix cement concrete of M-30 grade, in roads/ taxi tracks/ runways, using cement

content as per design mix, using coarse sand and graded stone aggregate of 40 mm nominal size in appropriate

proportions as per approved & specified design criteria, providing dowel bars with sleeve/ tie bars wherever

required, laying at site, spreading and compacting mechanically by using needle and surface vibrators, levelling to

required slope/ camber, finishing with required texture, including steel form work with sturdy M.S. channel sections,

curing, making provision for contraction/ expansion, construction & longitudinal joints (10 mm wide x 50 mm deep)

by groove cutting machine, providing and filling joints with approved joint filler and sealants, complete all as per

direction of Engineer in-charge (Item of joint fillers, sealants, dowel bars with sleeve/ tie bars to be paid

separately). Note:- Cement content considered in M-30 is @ 340 kg/cum. Excess/ less cement used as per design

mix is payable/ recoverable separately.

Cement concrete prepared with batch mixing machine

Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a

mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in

uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power

roller to achieve the desired density, complete as per specifications and directions of Engineer in-Charge.

With material conforming to Grade-II (size range 53 mm to 0.075 mm ) having CBR Value-25

Construction of dry lean cement concrete sub base over a prepared sub grade with coarse and fine aggregate

conforming to IS:383, the size of coarse aggregate not exceeding 25 mm, aggregate cement ratio not to exceed

15:1, aggregate gradation after blending to be as per specifications, cement content not to be less than 150

Kg/cum, optimum moisture content to be determined during trial length construction, concrete strength not to be

less than 10 Mpa at 7 days, mixed in a batching plant, transported to site, for all leads & lifts, laid with a mechanical

paver, compacting with 8-10 tonne vibratory roller, finishing and curing etc. complete as per direction of Engineer-in-

Painting road surface marking with adequate nos of coats to give uniform finish with ready mixed road marking

paint conforming to IS : 164, on bituminous surface in white/yellow shade, including cleaning the surface of all dirt,

scales, oil, grease and foreign material etc. complete.

New work (Two or more coats)

Providing and applying 2.5 mm thick road marking strips (retro- reflective) of specified shade/ colour using hot

thermoplastic material by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass

beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface

including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material

etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications.

Providing and laying at or near ground level factory made kerb stone of M-25 grade cement concrete in position to

the required line, level and curvature, jointed with cement mortar 1:3 (1 cement: 3 coarse sand), including making

joints with or without grooves (thickness of joints except at sharp curve shall not to more than 5 mm), including

making drainage opening wherever required complete etc. as per direction of Engineer in-charge (length of

finished kerb edging shall be measured to calculate volume for payment). (Precast C.C. kerb stone shall be

approved by Engineer-in-charge).

Providing and laying gang saw cut 30 mm thick, mirror polished pre moulded and pre polished machine cut granite

stone of required size and shape of approved shade, colour and texture in footpath, flooring in road side plazas and

similar locations, laid over 20 mm thick base of cement mortar 1:4 (1 cement : 4 coarse sand) including grouting the

joints with white cement mixed with matching pigment, epoxy touch ups etc. complete as per direction of Engineer-

With granite stone of all colour except black, cherry/ruby red of area less than 0.50 sqm.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive

ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table vibratory method using

PU mould, laid in required colour & pattern over 50 mm thick compacted bed of sand, compacting and proper

embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using

plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and

sweeping extra sand. complete all as per direction of Engineer-in-Charge.

60 mm thick cement concrete paver block of M-35 grade with approved colour, design & pattern.

Providing and fixing Glow studs of size 100x20 mm made of heavy duty body shall be moulded ASA (Acrylic

styrene Acryloretrite ) or HIP (High impact polystyrene) or ABS having electronically welded micro- prismatic lens

with abrasion resistant coating as approved by Engineer in charge. The glow stud shall support a load of 13635 kg

tested in accordance with ASTM D4280. The slope of retro- reflective surface shall be 35 (+/- 5) degress to base

.The reflective panels on both sides with at least 12 cm of reflective area up each side. The luminance intensity

should be as per the specification and shall be tested as described in ASTM I: 809 as recommended in BS: 873

part 4 : 1973. The studs shall be fixed to the Road surface using the adhesive conforming to IS, as per procedure

recommended by the manufacturer complete and as per direction of Engineer-in-charge.

SUB HEAD - PILE WORK

Boring, providing and installation bored cast-in-situ reinforced cement concrete piles of grade M-30 of specified

diameter and length below the pile cap, to carry a safe working load not less than specified, excluding the cost of

steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate

length for setting out and removal of same and the length of the pile to be embedded in the pile cap etc. by

percussion drilling using Direct mud circulation (DMC) or Bailer and chisel technique by tripod and mechanical

Winch Machine all complete, including removal of excavated earth with all its lifts and leads (length of pile for

payment shall be measured up to bottom of pile cap).

600 mm dia piles

Vertical load testing of piles in accordance with IS 2911 (Part IV) including installation of loading platform by

Kentledge/Anchor piles method and preparation of pile head or construction of test cap and dismantling of test cap

after test etc. complete as per specification & the direction of Engineer in-charge.

Note: 1. Initial and Routine Load Test shall not be carried out by Dynamic

method of testing.

Note: 2. Testing agency shall submit the design of loading platform for the

approval of Engineer-in-charge.

Single pile upto 50 tonne Safe capacity

Initial test (Test Load 2.5 times the Safe capacity)

Routine test (Test Load 1.5 times the Safe capacity)

Integrity testing of Pile using Low Strain/ Sonic Integrity Test/ Sonic Echo Test method in accordance with IS :14893

including surface preparation of pile top by removing soil, mud, dust & chipping lean concrete lumps etc. and use of

computerised equipment and high skill trained personal for conducting the test & submission of results, all complete

as per direction of Engineer-in-charge.

Note :- The inclusion of the above item in the schedule of work shall be

judiciously decided by the technical sanctioning authority, keeping in view

the quality control, type of soil strata & importance of the project.

SUB HEAD - ALUMINIUM WORK

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard

tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285,

fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top,

bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free,

straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for

glazing / panelling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions

of Engineer-in-charge. (Glazing, paneling and dash fasteners to be paid for separately) :

For fixed portion

Powder coated aluminium (minimum thickness of powder coating 50 micron)

For shutters of doors, windows & ventilators including providing and fixing hinges/ pivots and making provision for

fixing of fittings wherever required including the cost of PVC / neoprene gasket required (Fittings shall be paid for

Powder coated aluminium (minimum thickness of powder coating 50 micron)

Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber /

neoprene gasket etc. complete as per the architectural drawings and the directions of Engineer-in-charge . (Cost of

aluminium snap beading shall be paid in basic item):

With float glass panes of 5.50 mm thickness

Providing and fixing double action hydraulic floor spring of approved brand and manufacture conforming to IS :

6315, having brand logo embossed on the body / plate with double spring mechanism and door weight upto 125 kg,

for doors, including cost of cutting floors, embedding in floors as required and making good the same matching to

the existing floor finishing and cover plates with brass pivot and single piece M.S. sheet outer box with slide plate

etc. complete as per the direction of Engineer-in-charge.

With stainless steel cover plate minimum 1.25 mm thickness.

Filling the gap in between aluminium frame & adjacent RCC/ Brick/ Stone work by providing weather silicon sealant

over backer rod of approved quality as per architectural drawings and direction of Engineer-in-charge complete.

Upto 5 mm depth and 5 mm width

Providing and fixing double glazed hermetically sealed glazing in aluminium windows, ventilators and partition etc.

with 6 mm thick clear float glass both side, having 12 mm air gap, including providing EPDM gasket, perforated

aluminium spacers, desiccants, sealant (Both primary and secondary sealant) etc. as per specifications, drawings

and direction of Engineer-in-charge complete.

Providing and fixing 12mm thick frameless toughened glass door shutter of approved brand and manufacture,

including providing and fixing top & bottom pivot & double acting hydraulic floor spring type fixing arrangement and

making necessary holes etc. for fixing required door fittings, all complete as per direction of Engineer in charge

Extra for froasted glass (with eching film) on Above

Design, Supply, fixing, coordinating Automatic sliding door operator/Mechanism/Driver to hold 12 mm Toughened

glass, Micro processor control panel with adjustable parameters for opening and closing speed, self learning,

reversing when obstruction is encountered, hold open time and opening and closing force. Clause of protection IP

20, The system be suitable of 230V, 50Hz,AC power supply operation for various opening sizes all complete of the

type and extend described in the drawing , specifcations and schedule of work. The cost inclusive of Operator, light

barrier, Softener seal, brush profile, floor guide, etc., complete excluding glass. Rate inclusive of all materials of

Autodoor. Approved make or equivalent.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Design, Manufacture, Supply and Installation of dpi system, a complete assembly of extruded cellular structure UV

protected polycarbonate panels incorporated into a complete system. Co-extruded UV protected polycarbonate

panel system of minimum 12 mm thickness with panel width of 600 mm to ensure best performance for wind uplift,

vibration, oil canning and visual appearance. Panels shall be manufactured with vertical standing seam with

standing seam height of 10 - 15mm at both sides of the panel. Panels shall be of Softlite / Antiglare type to prevent

glare. Panels shall be fixed on purlins with the Z - Type Stainless Steel Fastener/retention clips and connectors.

Each fastener shall be min 1 mm thick of SS 304 Grade and secured to supporting frame/structure with min 3

numbers self-drilling screws so that the Pull-Out Load of Fastener exceeds 7000 N (7 KN) when tested as per ISO

6892:1998 and IS 1608: 2005. Snap-on connectors to interlock the panels shall have 2-4 teeth grip-lock locking

mechanism to ensure maximum uplift capability. Polycarbonate panels also shall not have Yellowness Index as per

ASTM D 1925 of 15 units when tested on a sample exposed to UV for 500 Hours as per sASTM G 155. The

polycarbonate panels must satisfy Dart drop impact test as per IS 14443-97 shall show no sign of breakage on

Polycarbonate sheets which have been exposed to UV for a min. of 500 Hours as per ASTM G 155.

Panel shall be with additional End cap/Aluminum U / F Profile / Glazing Bar (mill finish) for ends as required. Panel

shall be fixed over M S structural steel / MS purlin (paid separately) conforming to the detail technical

specifications as per approved architectural drawings.

Trained and factory authorized labor with supervision to complete the entire panel installation as per drawing &

direction of the engineer in charge.

Color: As per approval

Providing and fixing in position factory made non asbestos fibre reinforced aerated cement sandwich wall/roof/floor

light weight solid core panels made of light weight cement concrete core composed of OPC cement, pulverized

flyash, quick lime, cotton pulp & Gypsum in mortar state mixed with aeration agent in a preset mould. The outer

face on both sides of the panels will be non asbestos fibre cement board confirming to IS :14862:2000. These solid

wall panels are installed using Galvanized iron steel tracks/C channel of 1 mm thick of required sizes as

recommended by manufacturer’s and fixed to floor and RCC soffit in plumb to each other with steel

screw/fasteners. The panel shall be fixed vertically with tongue & groove joint with cement based polymer modified

jointing compound. The exposed surface finished with fibre mesh/glass fibre tape with polymer based jointing

compound having superior flexibility. Panels should be used as floor & roofing with additional structural support,

steel or RCC depending upon the design. All the operation shall be completed in all respect as per drawings,

Manufacturers specifications and under the overall direction of Engineer-in-Charge (Cost of all the material is

included except “tracks/C channel” which will be paid separately).

Non load bearing panels 100 mm thick of required size (minimum 5 mm thick fibre cement board Type A, Category

IV as per IS: 14862:2000 on both faces)

SUB HEAD - WATER PROOFING WORK

Providing and laying water proofing treatment in sunken portion of WCs, bathroom etc., by applying cement slurry

mixed with water proofing cement compound consisting of applying : a) First layer of slurry of cement @ 0.488

kg/sum mixed with water proofing cement compound @ 0.253 kg/sum. This layer will be allowed to air cure for 4

b) Second layer of slurry of cement @ 0.242 kg/sum mixed with water proofing cement compound @ 0.126 kg/sum.

This layer will be allowed to air cure for 4 hours followed with water curing for 48 hours.

The rate includes preparation of surface, treatment and sealing of all joints, corners, junctions of pipes and masonry

with polymer mixed slurry.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and laying integral cement based water proofing treatment including preparation of surface as required for

treatment of roofs, balconies, terraces etc consisting of following operations:

(a) Applying a slurry coat of neat cement using 2.75 kg/sqm of cement admixed with water proofing compound

conforming to IS. 2645 and approved by Engineer-in-charge over the RCC slab including adjoining walls upto 300

mm height including cleaning the surface before treatment.

(b) Laying brick bats with mortar using broken bricks/brick bats 25 mm to 115 mm size with 50% of cement mortar

1:5 (1 cement : 5 coarse sand) admixed with water proofing compound conforming to IS : 2645 and approved by

Engineer-in-charge over 20 mm thick layer of cement mortar of mix 1:5 (1 cement :5 coarse sand) admixed with

water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge to required slope and

treating similarly the adjoining walls upto 300 mm height including rounding of junctions of walls and slabs.

(c) After two days of proper curing applying a second coat of cement slurry using 2.75 kg/ sqm of cement admixed

with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge.

(d) Finishing the surface with 20 mm thick jointless cement mortar of mix 1:4 (1 cement :4 coarse sand) admixed

with water proofing compound conforming to IS : 2645 and approved by Engineer-in-charge including laying glass

fibre cloth of approved quality in top layer of plaster and finally finishing the surface with trowel with neat cement

slurry and making pattern of 300x300 mm square 3 mm deep.

(e) The whole terrace so finished shall be flooded with water for a minimum period of two weeks for curing and for

final test. “All above operations to be done in order and as directed and specified by the Engineer-in-Charge”:

With average thickness of 120 mm and minimum thickness at khurra as 65 mm.

Grading roof for water proofing treatment with

Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

Providing and laying integral cement based treatment for water proofing on horizontal surface at all depth below

ground level for under ground structures as directed by Engineer-in-Charge and consisting of :

(i) Ist layer of 22 mm to 25 mm thick approved and specified rough stone slab over a 25 mm thick base of cement

mortar 1:3 (1 cement : 3 coarse sand) including applying of twice ( at base and top of mortar ) cement slurry @

2.2kg/m2 (each time) mixed with water proofing compound conforming to IS:2645 in the recommended proportion

over the leveling course (leveling course to be paid separately). Joints sealed and grouted with cement slurry mixed

with water proofing compound.

(ii) 2nd layer of 25 mm thick cement mortar 1:3 (1 cement: 3 coarse sand) mixed with water proofing compound in

recommended proportions. (iii) Finishing top with stone aggregate of 10 mm to 12 mm nominal size spreading @ 8

cudm/sqm thoroughly embedded in the 2nd layer.

Using rough kota stone.

Providing and laying integral cement based treatment for water proofing on the vertical surface by fixing specified

stone slab 22 mm to 25 mm thick with cement slurry mixed with water proofing compound conforming to IS:2645 in

recommended proportions with a gap of 20 mm (minimum) between stone slabs and the receiving surfaces and

filling the gaps with neat cement slurry mixed with water proofing compound and finishing the exterior of stone slab

with cement mortar 1:3 (1 cement : 3 coarse sand) 20 mm thick with neat cement punning mixed with water

proofing compound in recommended proportion complete at all levels and as directed by Engineer-in-charge :

Using rough kota stone.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and applying integral crystalline slurry of hydrophilic in nature for waterproofing treatment to the RCC

structures like retaining walls of the basement, water tanks, roof slabs, podiums, reservior, sewage & water

treatment plant, tunnels / subway and bridge deck etc., prepared by mixing in the ratio of 5 : 2 (5 parts integral

crystalline slurry : 2 parts water) for vertical surfaces and 3 : 1 (3 parts integral crystalline slurry : 1

part water) for horizontal surfaces and applying the same from negative (internal) side with the help of synthetic

fiber brush. The material shall meet the requirements as specified in ACI-212-3R-2010 i.e by reducing permeability

of concrete by more than 90% compared with control concrete as per DIN 1048 and resistant to 16 bar hydrostatic

pressure on negative side. The crystalline slurry shall be capable of self-healing

of cracks up to a width of 0.50 mm. The work shall be carried out all complete as per specification and the direction

of the engineer-in-charge. The product performance shall carry guarantee for 10 years against any

For vertical surface two coats @ 0.70 kg per sqm per coat

For horizontal surface one coat @1.10 kg per sqm.

Supplying & laying 300 gsm Geotextile (non-woven polyester) over the entire membranemaintaining proper

overlaps of 100 mm. Applying average 100 mm (to maintaining the required gradient for proper drainage of

waterand minimum 60mm thick concrete at khurra/ mouth of rain water pipe) thick M25 gradeconcrete screed

admixed with integral crystalline admixture as per recommended dosages for including providing control joints in 3M

X 4M grids size and providing the angular haunch of 50mmX50mm using M25 grade concrete at the corners of the

slab-parapet wall junctions all around the periphery. Screed concrete shall be cut by mechanical means and filling

with a one component (Thermatech) Polyurethane Sealant that is moisture triggered and cast immediately on saw

cutting joints on green concrete.

HDPE drain cells are structural drainage modules made from high-density polyethylene (HDPE) that are used in

subsurface drainage systems. They are designed to manage stormwater effectively, providing high water capture

and discharge rates while maintaining strong compressive strength.

Providing and Placing in position suitable PVC water stops conforming to IS:12200 for construction/ expansion

joints between two RCC members and fixed to the reinforcement with binding wire before pouring concrete etc.

Serrated with central bulb (225 mm wide, 8-11 mm thick)

STRUCTUR GLAZING & FAÇADE

Providing and supplying aluminium extruded tubular and other aluminium sections as per the architectural drawings

and approved shop drawings, the aluminium quality as per grade 6063 T5 or T6 as per BS 1474,including super

durable powder coating of 60-80 microns conforming to AAMA 2604 of required colour and shade as approved by

the Engineer-in-Charge. (The item includes cost of material such as cleats, sleeves, screws etc. necessary for

fabrication of extruded aluminium frame work. Nothing extra shall be paid on this account).

Designing, fabricating, testing, protection, installing and fixing in position semi (grid) unitized system of structural

glazing (with open joints) for linear as well as curvilinear portions of the building for all heights and all levels,

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Structural analysis & design and preparation of shop drawings for the specified design loads conforming to IS 875

part III (the system must passed the proof test at 1.5 times design wind pressure without any failure), including

functional design of the aluminum sections for fixing glazing panels of various thicknesses, aluminium cleats,

sleeves and splice plates etc. gaskets, screws, toggles, nuts, bolts, clamps etc., structural and weather silicone

sealants, flashings, fire stop (barrier)cum-smoke seals, microwave cured EPDM gaskets for water tightness,

pressure equalisation & drainage and protection against fire hazard including:

Fabricating and supplying serrated M.S. hot dip galvanised / Aluminium alloy of 6005 T5 brackets of required sizes,

sections and profiles etc. to accommodate 3 Dimentional movement for achieving perfect verticality and fixing

structural glazing system rigidly to the RCC/ masonry/structural steel framework of building structure using stainless

steel anchor fasteners/ bolts, nylon seperator to prevent bimetallic contacts with nuts and washers etc. of stainless

steel grade 316, of the required capacity and in required numbers.

Providing and filling, two part pump filled, structural silicone sealant and one part weather silicone sealant

compatible with the structural silicone sealant of required bite size in a clean and controlled factory / work shop

environment , including double sided spacer tape, setting blocks and backer rod, all of approved grade, brand and

manufacture, as per the approved sealant design, within and all around the perimeter for holding glass.

Providing and fixing in position flashings of solid aluminium sheet 1 mm thick and of sizes, shapes and profiles, as

required as per the site conditions, to seal the gap between the building structure and all its interfaces with curtain

glazing to make it watertight.

Making provision for drainage of moisture/ water that enters the curtain glazing system to make it watertight, by

incorporating principles of pressure equalization, providing suitable gutter profiles at bottom (if required), making

necessary holes of required sizes and of required numbers etc. complete. This item includes cost of all inputs of

designing, labour for fabricating and installation of aluminium grid,nstallation of glazed units, T&P, scaffolding and

other incidental charges including wastages etc., enabling temporary structures and services, cranes or cradles etc.

as described above and as specified. The item includes the cost of getting all the structural and functional design

including shop drawings checked by a structural designer, dully approved by Engineer-in-charge. The item also

includes the cost of all mock ups at site, cost of all samples of the individual components for testing in an approved

laboratory, field tests on the assembled working structural glazing as specified, cleaning and protection till the

handing over of the building for occupation. In the end, the Contractor shall provide a water tight structural glazing

having all the performance characteristics etc. all complete as required, as per the Architectural drawings, as per

item description, as specified, as per the approved shop drawings and as directed by the Engineerin-Charge.

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Note:- 1. The cost of providing extruded aluminium frames, shadow boxes, extruded aluminium section capping for

fixing in the grooves of the curtain glazing and vermin proof stainless steel wire mesh shall be paid for separately

under relevant items under this subhead. However, for the purpose of payment, only the actual area of structural

glazing (including width of grooves ) on the external face shall be measured in sqm. up to two decimal places.

Note:-2. The following performance test are to be conducted on structural glazing system if area of structural

glazing exceeds 2500 Sqm from the certified laboratories accreditated by NABL(National Accreditation Board for

Testing and Calibration Laboratories), Department of Science & Technologies, India. Cost of testing is payable

separately. The NIT approving authority will decide the necessity of testing on the basis of cost of the work, cost of

the test and importance of the work. Performance Testing of Structural glazing system Tests to be conducted in the

NBL Certified laboratories

Performance Laboratory Test for Air Leakage Test (-50pa to – 300pa) & (+50pa to +300pa) as per ASTM E-283-04

testing method for a range of testing limit 1 to 200 mVhr”

Static Water Penetration Test. (50pa to 1500pa) as per ASTME- 33109 testing method for a range up to 2000 ml.”

Dynamic Water Penetration (50pa to 1500pa) as per AAMA 501.01- 05 testing method for a range upto 2000 ml”

Structural Performance Deflection and deformation by static air pressure test (1.5 times desing wind pressure

without any failure) as per ASTME330-10 testing method for a range upto 50 mm”

Seismic Movement Test (upto 30 mm) as per AAMA 501.4-09 testing method for Qualitative test” Tests to be

conducted on site 6. Onsite Test for Water Leakage for a pressure range 50 kpa to 240 kpa (35psi) upto

Providing, assembling and supplying vision glass panels (IGUs) comprising of hermetically-sealed 6-12- 6 mm

insulated glass (double glazed) vision panel units of size and shape as required and specified, comprising of an

outer heat strengthened float glass 6mm thick, of approved colour and shade with reflective soft coating on surface

# 2 of approved colour and shade, an inner Heat strengthned clear float glass 6mm thick, spacer tube12mm wide,

dessicants, including primary seal and secondary seal (structural silicone sealant) etc. all complete for the required

performances, as per the Architectural drawings, as per the approved shop drawings, as specified and as directed

by the Engineer-in-Charge. The IGUs shall be assembled in the factory/ workshop of the glass processor. (Payment

for fixing of IGU Panels in the curtain glazing is included in cost of item No.26.2) For payment, only the actual area

of glass on face # 1 of the glass panels (excluding the areas of the grooves and weather silicone sealant) provided

and fixed in position, shall be measured in sqm.

(i) Coloured tinted float glass 6mm thick substrate with reflective soft coating on face # 2, + 12mm Airgap + 6mm

Heat Strengthened clear Glass of approved make having properties as visible Light transmittance (VLT) of 25 to 35

%, Light reflection internal 10 to 15%, light reflection external 10 to 20 %, shading coefficient (0.25- 0.28) and U

value of 3.0 to 3.3 W/m2 degree K etc. The properties of performance glass shall be decided by technical

sanctioning authority as per the site requirement.

Extra for openable side / top hung vision glass panels (IGUs) including providing and supplying at site all

accessories and hardwares for the openable panels as specified and of the approved make such as heavy duty

stainless steel friction hinges, min 4 -point cremone locking sets with stainless steel plates, handles, buffers etc.

including necessary stainless steel screws/ fasteners, nuts, bolts, washers etc. all complete as per the Architectural

drawings, as per the approved shop drawings, as specified and as directed by the Engineerin- Charge.

Horticulture Work

Supplying and stacking of good earth at site including royalty and carriage upto 5 km lead complete (earth measured in stacks will be

reduced by 20% for payment).

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Supplying and stacking sludge at site including royalty and carriage up to 5 km (sludge measured in stacks will be reduced by 8% for

Supplying and stacking at site dump manure from approved source, including carriage up to 5 km Complete (manure measured in

stacks will be reduced by 8% for payment) :

Screened through sieve of I.S. designation 20mm

Spreading of sludge, dump manure and/or good earth in required thickness as per direction of officer-in-charge (cost of sludge, dump

manure and/ or good earth to be paid separately). C

Grassing with selection No. 1 grass including watering and maintenance of the lawn for 30 days or more till the grass forms a thick

lawn, free from weeds and fit for mowing including supplying good earth, if needed (the good earth shall be paid for separately).

In rows 5 cm apart in both directions.

Plantation of Trees, Shrubs, and Hedge at site i/c watering and removal of unserveiceable material’s as per direction of officer in

charge (excluding cast of plant & water)

Providing and displaying of Araucaria cookie having ht. 1.80 m to 1.95 m, straight, well developed, fresh and healthy with lush green

leaves from bottom to top in 30 cm size of Earthen pot/Plastic pot & as per direction of the officer-in-charge.

Providing and displaying of Areca Palm having ht. 2.40 m to 2.70 m with 12 to 14 suckers, well developed, fresh and healthy with lush

green foliage in35 cm size of Bucket type cement pots & as per direction of theofficer-in-charge.

Providing and displaying of Seaforthia Palm having ht. 1.50 m to 1.80 mwith 12-15 suckers, well developed, fresh and healthy lush

green leaves from bottom to top in 30 cm size of Earthen pot/Plastic pot & as perdirection of the officer-in-charge.

Providing and Displaying Bamboo Buddha Valley with fresh & healthy 5 to 6 suckers 1.80 m to 2.10m ht umbrella type well developed

in 50 cm Cement Pot as per direction of the officer-in-charge.

Providing And Displaying Bismarckia Palm 115 To 180 Cm Ht., Well Developed 12 And Above Good Color Fresh And Healthy Leaves

In 40 Cm Cement Pot As Per Direction Of The Officer-In-Charge.

Providing and Displaying Cycus revoluta specimen , having 45 to 50 fresh and healthy, leaves having 30cm to 35cm circumfrance of

base stem well developed in 40 cm challi, as per direction of the officer-in-charge.

Providing and Displaying Cyprus Golden Conical Shape 150 to 165 cm ht., with fresh and healthy Golden colour foliage in 35cm

Cement Pot as per direction of the officer-in-charge.

Providing and Displaying Ficus black vivion piller topiary (sylinder type) well developed with fresh & healthy 180 to 210 cm ht in 40 cm

Cement Pot as per direction of the officer-in-charge.

Providing and Displaying Ficus Nuda topiary well developed with fresh & healthy 5 to 6 big ball specific size and shape 180to 210cm

ht in 40 cm Cement Pot as per direction of the officer-in-charge.

Providing and Displaying Foxtail palm well developed with fresh & healthy foliage of ht. 210 to 240 cm in big 40 cm Cement Pot as per

direction of the officer-in-charge.

Supplying & Placing at terrace garden LLDPE Pots 600x600x500 With Plant

Supplying & Placing at terrace garden LLDPE Pots 1000x500x500 With Plant

Digitally signed by VARUN

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

INDICATIVE ITEMS FOR REFERENCE PURPOSE ONLY

INTERNAL PLUMBING

SUB HEAD - I : SANITARY FIXTURES ( PROVIDING AND FIXING )

Providing and Fixing White Viterous China Extended wall mounting water closet of size 780 x 370 x

690 mm of approved shape including providing and fixing white viterous china cistern with dual

flush fittings of flushing capacity 3 litre / 6 litre ( adjustable to 4 litre / 8 litre ) including seat cover

and cistern fittings nuts bolts and gaskets etc complete .

Providing and fixing white vitreous china extended wall mounting type water closet of size

780x370x690 mm of approved shape including providing & fixing white viterous china cistern with

dual flush fittings of flushing capacity 3 liter / 6 liter ( adjustable to 4 liter / 8 liter ) including seat

cover & cistern fittings nuts , bolts and gaskets etc complete .

Providing & fixing wash basin with C.I. brackets, C.P brass pillar taps,32 mm C.P. brass waste of

standard pattern, including painting of fittings and brackets,cutting and making good the walls

wherever required:

White Vitreous China Wash basin size 630x450mm with a single 15 mm C.P.brass pillar taps.

Providing and fixing wash basin with C.I. brackets 15 mm dia CP brass single hole basin mixer of

Viterous and Wash

china make including

basin size painting

a 15brackets cutting

mm CP brass and making

hole basin the

Providing and Fixing Stainless Steel A ISI 304 ( 18/8 ) kitchen sink as per IS : 13983 with CI

Brackets and with

Kitchen Sink stainless

boardplug 40 mm , including painting of fittings and brackets , cutting and

510 x 1040 mm bowl depth 250 mm

Providing and Fixing Kitchen Sink with CI Brackets , CP brass chain with rubber plug , 40 mm CP

glazedcomplete , including

fire clay kitchen sinkpainting the fittings

of size 600 x 450 x and

mm , cutting and making good the

Providing and Fixing White Viterous China battery based infrared sensor operated urinal of approx.

Providing 390 Fixing

x 370 mmstonehaving pre and

slab with tablepost flushing

rubbed withrounded

, edges water ( 250

size 75 x 50 cm

Granite 1.8 cm thick , fixed

of approved in urinal partitions by cutting a chase of appropriate width with chase

Providing and Fixing CP brass bib cock of approved quality conforming to IS : 8931

15 mm nominal bore

Providing and Fixing CP brass long body bib cock of approved quality conforming to IS standards

15 weighing notbore

nominal less than 690 gms .

Providing and Fixing CP brass angle valve for basin mixer and geyser points of approved quality

mm nominal : 8931

Providing and Fixing CP brass stop cock ( concealed ) of standard design and of approved make

15 mm nominalto ISbore

Providing and placing on terrace ( at all floor levels ) polythylene water storage tank ISI : 12701

Tankcover and suitable locking arrangement and making necessary holes for inlet , outlet

Providing & fixing of Waste pipe for Wash basins & Sinks including pvc waste fittings complete.

Providing & Fixing wall mounted round shape stainless steel Liquid soap dispenser with glass

bottle and &2Fixing

Providing Nos CP brass

C.P. brasswallround

2 nos in allround

C.P. brass respectwall

as per direction

brass screws complete in all respect as per direction of engineer - in - charge

Providing & Fixing C.P. brass towel rail 600 mm long with 2 nos C.P. brass wall flanges & CP.

Providing complete

& Fixing wallinmounted

all respect as per

round direction

shape of engineer

stainless - in dish

steel soap - charge . with 2 nos cp brass

Providing & fixing 600 x 450 mm beveled edge mirror of superior glass(of approved-quality)

flanges & CP brass screws complete in all respect as per direction of engineer in - charge .

with 6 mm&thick

Providing fixinghard board

toilet paperground

holder:fixed to wooden cleats with CP brass Screws and washers

Providing and fixing unplasticised P.V.C. connection pipe with PTMT Nuts, collar and bush of

15 qualitybore

mm nominal and with

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and fixing CP brass shower rose with 15 or 20 mm inlet

100 mm diameter

Providing & Fixing CP brass single lever telephonic wall mixer of quality and make as approved by

15 - in - charge

mm nominal dia .

Providing & fixing C.P. brass Central hole wall mounted sink Mixer with aerator connecting legs &

Providing wall flange

and fixing and 2

C.P. brass nos CPcoat

Double brass stop fixed

including cutting

Toilet wall with&C.P

wall the walls&

Providing screws and

fixing otherfaucet

health required accessories

1 m CP brass in alltube

flexible respect

and as per direction

swivel hook with ofCP

wall flange including cutting & making good the walls wherever required complete in all

Providing and fixing stainless steel 600 mm long Grab Bar with 2 nos CP brass wall flange including respect as

Providing& making good

and fixing the walls

vertical wherever required

or horizontal complete

storage type in all heater

hot water respectelectrical

as per direction

operatedoffixed to

15 withCapacity

anchor bolts & nuts, 15mm CP brass angle stop cock and 15mm CP brass non-return

25 Litre Capacity

Providing & Fixing water purifier cum water cooler made of stainless steel having storage capacity of

80 liter & cooling

Providing & Fixing capacity 60 liter /ofhour

water purifier withcapacity

storage Reverse 10osmosis system &with

litre complete ultraautomatic

voilet membrane

system with filteration unit & all other required accessories

SUB HEAD - II : INTERNAL DRAINAGE (RAINWATER, SOIL, WASTE & FITTINGS) complete in all respect as per direction

Making khurras 45x45 cm with average minimum thickness of 5 cm cement concrete 1:2:4 (1

cement:2 coarse

Providing sand:4

and Fixing to graded stone

the inlet aggregate

mouth of rainof water

pipe size) grating

cast iron over P.V.C.

15 cmsheet 1 mx1 and

Providing andless than100

Fixing 440mmgrams .

diameter and 60 cm long rain water spout in cement mortar 1:4 ( 1

Cement : 4 Fine

Stone ware Spout Sand )

Providing and Fixing on wall face Unplasticised rigid pvc rain water pipes conforming to IS : 13592

SingleASocketed

jointing with seal ring conforming to IS : 5382 leaving 10 mm gap for thermal

110 mm diameter

Providing and Fixing on wall face Rigid Unplasticised UPVC moulded fittings / accessories for

unplasticised Rigid PVC Rain water pipes conforming to IS : 13592 Type A including jointing with

110 mm diameter

Single Push Fit Coupler

110 mm diameter

Single Tee with door

Single Tee without door

Bend 87.5 degree

Providing and Fixing unplasticised PVC pipe clips of approved design to unplasticised - PVC rain

75 mmpipes by means of 50x50x50 mm hard wood plugs , screwed with MS screws of required

110 mm diameter

Soil, Waster and Vent Pipes

Providing and fixing sound insulated Polyproplene piping system as per ON EN 1451-Part 1-6 & EN

dia 1-5 with 3 layer pipe made of PP-C + PP-MV + PP-C in Blue Ral 5014 (halogen and

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and fixing multi-floor trap fitting with maximum 3 inlets 32,40 or 50 mm size fabricated

Providing GI pipes

& fixing 100mmheavy duty and

x 50mm G.I.sockets,fixed to PP. trap

waste with reducing with

elbow & Drip Seal

nipple joint and

cutting set in

chases, the floor

/ slab, repairs complete as required and connection to waste pipe complete in all respect

Providing and fixing CP Brass floor cleanout plug / Clean out plug as per drawing complete as directed

100 jointedPipe

mm diameter to drainage pipe outlet including drip seal joint complete in all respect as

150 mm diameter Pipe

Providing and fixing Stainless Steel Grade (304) grating with ring and Stainless steel anti cockroach

Providing two fixing

SS screw including

Pressure fixing to

Reducing the floor

Valve (PRV)with cement mortar.

of approved make and quality, suitable for

working pressure, including all necessary

SUB HEAD - III : INTERNAL WATER SUPPLY fittings, flanges, gaskets, bolts & nuts, cutting, jointing,

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot &

pipes and all CPVC plain & brass threaded fittings, including fixing the pipe with

20 mm dia pipes

25 mm dia pipes

32 mm dia pipes

40 mm dia pipes

50 mm dia pipes

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot &

pipes including all CPVC plain & brass threaded fittings i/c fixing the pipe with clamps

20 mm dia pipes

25 mm dia .Pipes.

32 mm dia .Pipes.

40 mm dia .Pipes.

Providing and fixing Thermoflex or Careflex thermal insulation tubing, a elastomeric flexible

material having

9 mm thick hermetic

( Pipe Insideblister closed&cell

the Toilet structure

Kitchen ) of expanded synthetic rubber over pipes of

For 15 mm dia Pipe

For 20 mm dia Pipe

For 25 mm dia Pipe

Providing, fixing, testing and commissioning of motorised butterfly valve of following dia for filling of

Pipe tank complete with high and low level control switches to control tanks. The level

Providing and Fixing full way lever operated forged brass ball valve of brass body with forged brass

15 mmchromeplated

dia steel ball tasted to a pressure not less than 15 kg/sqcm with threaded / flanged

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot &

cold water supply

INTERNAL WORKand all CPVC ON

- EXPOSED plain & brass threaded fittings, including fixing the pipe with

For 65 mm dia Pipe

For 80 mm dia Pipe

For 100 mm dia Pipe

Providing and fixing C.I. butterfly valves Lever operated PN-1.6 complete with bolts, nuts, 1.5 mm

65 mm compressed

dia nominalasbestos

bore gasket and two nos flanges as per Table “E” complete.

80 mm dia nominal bore

100 mm dia nominal bore

Supplying, installation, testing and commissioning of electric driven terrace booster pump of

EXTERNAL pressure suitable for automatic operation and consisting of the following, complete in all

SUB HEAD - I : EXTERNAL WATER SUPPLY

Providing & Fixing G.I. Pipes complete with G.I.Fittings including trenching and refilling etc.

(external work)

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Painting G.I. pipes and fittings with two coats of anticorrosive bitumastic paint of approved quality.

Constructing masonry Chamber 60x60x75 cm inside, in brick work in cement mortar 1:4 (1 cement

With sand)burnt

Common for stop cock,

F.P.S C. modular

( non I. surface) box 100x100

bricks of classx75 mm (inside)

designation 100with

Providing & fixing enclosed type water meter ( bulk type ) conforming to IS : 2373 and tested by

80 mm diaboard complete

nominal bore with nuts , bolts , rubber insertion etc . ( The tail piece if required will be

Providing and fixing C.I. butterfly valves Lever operated PN-1.6 complete with bolts, nuts, 1.5 mm

80 mm compressed asbestos

dia nominal bore gasket and two nos flanges as per Table “E” complete.

100 mm dia nominal bore

Providing & fixing cast iron swing seal dual type non-return valves (PN1.6) complete with matching

flanges, rubber insertion, nuts, bolts and washer complete as required.etc. of following sizes.

SUB HEAD - III : EXTERNAL STORM WATER DRAINAGE SYSTEM

Constructing brick masonry manhole in cement mortar 1:4 (1 cement :4 coarse sand) with RCC

coarse sand : 4

including CIstone

coveraggregate 20 (mm

with frame nominal

light duty ) size ),

internal dimensions total weight of cover & frame to be not less than 38

with common brunt clay FPS ( non modular ) bricks of class designation 7.5 kg (weight of cover 23 kg &

Extra depth for manhole 90x80 cm

With FPS bricks class designation 7.5

Excavating trenches of required width for pipes, cables etc. including excavation for sockets and

Soil ramming of bottom depth upto 1.5 M including getting out the excavated soil and

Pipes,cables etc.exceeding 80mm dia.but not exceeding 300mm dia.

Extra for Excavating trenches for pipes , cables etc in all kinds of soils for depth exceeding 1.5 m ,

but not exceeding

Constructing brick3masonry

is over corresponding

gully basic item

chamber 50x45x60 cmforwith

bricks in1.50 m ) mortar 1:4 (1

cement : 4 coarse sand ) including 500 x 450 mm pre cast RCC Horizontal

With common burnt clay F.P.S. (non modular) bricks of class designation 7.5 grating with frame

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS :

SUB HEADon 12 mm

- IV : dia steel bar conforming

BOREWELLS AND RAINto IS:1786,

WATER having minimum

HARVESTING PITS cross section as 23 mmx25

Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in

All Types of SoilI), including collecting samples from different trata, preparing and submitting strata

Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in

All Types of SoilI), including collecting samples from different strata, preparing and submitting strata

Supplying, assembling, lowering and fixing in vertical position in bore well,unplasticized PVC

200 mm well casing

size dia pipe of required dia,conforming to IS: 12818, including required hire and

Supplying, assembling, lowering and fixing in vertical position in bore well unplasticized PVC

200 mm well screen

nominal size(RMS)

dia pipes with ribs, conforming to IS: 12818, including hire & labour

Supplying , filling , Spreading & Leveling stone boulders of size range 5 cm to 20 cm , in recharge

pit , in the ,required

Supplying filling , thickness

Spreading, & forLeveling

all lead gravels

and liftsof, size

range 5 as mm per

10 mm ,ofinEngineer-in-

over the existing layer of boulders , in required thickness , for all lead and lifts

Supplying , filling , Spreading & Leveling coarse sand of size range 1.5 mm to 2 mm , in recharge , all complete as

pit , in required

Gravel packing thickness

in tubewell , over gravel layers

construction , for all leadwith

in accordance and lifts , all complete

IS: 4097, includingasproviding

per direction of

fine/ medium/ coarse, in required grading & sizes as per actual requirement,

Development of tube well in accordance with IS : 2800 (part I) and IS: 11189, to establish maximum all complete as per

Providing and water

fixing yield without

suitable sand content

size threaded mild (beyond

steel cappermissible

or spot weldedlimit), withtorequired

plate the top capacity

200 mm diacasing pipe, removable as per requirement, all complete for borewell of:

Providing and fixing M.S. clamp of required dia to the top of casing/housing pipe of tubewell as per

200 (part I), including necessary bolts & nuts of required size complete.

Providing and fixing Bail plug/ Bottom plug of required dia to the bottom of pipe assembly of

tubewell as per IS:2800

200 mm nominal size dia(part I).

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

SUB HEAD - V : WATER SUPPLY PUMPS AND WATER TREATMENT EQUIPMENTS

Supply, installation testing & commissioning of submersible pumping set suitable to operate on 415

Pump phase shall

50 HZbeA.C. power

Class supply including

F Insulation waterMotor

, Pump and proofshall

freeIPcable, motor control

: 68 Protection panel,

Motor Efficiency shall be Class IE-5 Efficiency

Pump to be lowered below ground at : 90 M .

Pump capacity : 15000 LPH ( Pump Capacity shall be Vary as per Actual Aquifier Availiable at Site )

H.P : 12 ( Approx)

One set Tubewell

Supply, installation, testing & commissioning of vertical inline multistage pumping set (Imported)

FilterStainless

Feed Pumpsteel-304 body,

( In UGT Stainless

/ Plant Roomsteel-304

) impeller, Stainless steel-304 casing, shaft of

Set of Two pumps (1 Working + 1 Standby)

Capacity - 300 LPM

Head - 30.0 Mtr.

Eff. - Class IE-5

STP Make up Pump ( In UGT / Plant Room )

Set of Two pumps (1 Working + 1 Standby)

Capacity - 100 LPM

Head - 60.0 Mtr.

Eff. - Class IE-5

Set of Two pumps (1 Working + 1 Standby)

Capacity - 250 LPM

Head - 100.0 Mtr.

Eff. - Class IE-5

Supply, installation, testing & commissioning of variable speed hydropneumatic system mounted on

No. base plate

and capacity of comprising of vertical

Pressure Vessel - 01inline

Nos.multistage pumping

x 200 litres min.set(Or

asStainless steel-304

per Manufacturer

The system shall also comprise the following:-

Control Panel with Programmable Logic Controller (PLC) with in-built PID controller with 16 inputs

Type12 outputs,

pressure display with

transducer withfluorescent screen

SS pressure with and

sensor 2 lines of 20electronic

control character board.

20m A on two wires conforming BS-6134 standards

Domestic Water Transfer Pump ( In UGT / Plant Room ) and IP 55 protection class.

Set of Two pumps (1 Working + 1 Standby)

Capacity - 300 LPM

Head - 100 Mtr.

Eff. - Class IE-5

Supply, installing, testing and commissining of submersible single stage single entry pumps with

(Pumps Casing be/ installed

Body , SSin-304 Impeller

a set of two, pumps

Shaft connected

working and to TEFC

One submersible

standby , Pumpmotor

Drainage ON / Pumps

OFF on Cyclic Pattern )

(Pumps to be suitable to handle solids upto 28 mm size)

Capacity - 250 LPM

Eff. - Class IE-5

Supply, installation, testing & commissioning of vertical self supporting filtration unit fabricated

Media as per IS: 2825, (minimum thickness of shell 6mm and dished end 8mm) pressure

Capacity - 18000 LPH

Filtration rate - 17500 Litre / Sqm / Hour

Filter dia approx. - 1000 mm

Working pressure : 3.0 Kg/sq cm.

Test pressure : 4. 5 Kg/sq cm

Supply, installation, testing & commissioning of vertical self supporting filtration unit fabricated

from MS sheet as per IS: 2825, (minimum thickness of shell 6mm and dished end 8mm) pressure

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Capacity - 18000 LPH

Filtration rate - 17500 Litre / Sqm / Hour

Filter dia approx. - 1000 mm

Working pressure : 3.0 Kg/sq cm.

Test pressure : 4. 5 Kg/sq cm

Supply, installation, testing & commissioning of metering pump type chemical doser with motorize

Supply, & blade SS

installation, 304 material

testing with 100 lits. of

& commissioning PVC/HDPE solution

annunciation tank,

and injection fitting

indication panel with

interlocking arrangement complete in accordance to specification with level controller

The System shall be complete to ensure automatic operation of pump in accordance to water ( In Tubewells

in respective tanks .

Providing and Fixing Level Controllers for water pumps to start / stop the pumps at set level

including wiring

Providing , cabling

and Fixing from pump

Pressure Switchtofor

Water all other

start / stopasthe

pumpstoatoperate the

including wiring , cabling from pump to panel and all other accessories as required

Providing and fixing GI pipes complete (IS:1239 Heavy Class) with GI fittings conforming to to operate theIS :

25 mmanddia clamps including MS pipe supports, painting with two or more coats of synthetic enamel

Providing and fixing forged brass ball valve suitable for pressure 15 Kg/Cm2 of the following size

32 mm diaproviding necessary union / flange.

Providing & fixing of C.I. butterfly valve suitable for pressure 16 Kg/Sqcm. with flanges, nut bolts

50 mm dia complete required.

Providing & fixing cast iron Dual Plate Check valves suitable for pressure 16 kg / sqcm complete

dia flanges, rubber insertion, nuts, bolts and washer complete as required etc. of

Providing & fixing double flanged flexicon rubber expansion joint with unit control of standard

32 mmas diaper maufacturers specs. Tested to a pressure of 20 Kg/Sqcm including rubber gaskets,

Providing and fixing C.I. 'POT' strainer with bronze perforated sheet basket tested to a

40 mm diaof 16 Kg/sqcm including rubber gasket, flanges, nuts, bolts and washers, complete as

Complete Set including all Items as described above

SUB HEAD - VI : SEWERAGE TREATMENT PLANTS ( 50 KLD)

Supplying, installing, testing & commissioning of Sewage Treatment Plant of 50 m3/day based on

SBR technology (excluding excavation, back filling & disposal of surplus earth MS / Civil

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

The STP design based on the following Parameters:

Daily average flow: 50 M3/Day

S. Solids : 250 - 300 mg/ L

Oil & Grease : 50 - 100 mg/ L

Sewage Discharge Standard after Treatment :-

BOD : <= 10 mg/l

S. Solids : <= 5 mg/l

COD : <= 50 mg/l

Oil & Grease : <= 5 mg/l

Electro-Mechanical Equipment

Supplying, installing, testing & commissioning Perforated manual screen including 2 nos course &

X 500 mmsize having provision for lifting arrangement etc. complete as required.

Purpose: For separation of large solids

Supply, installation, testing & commissioning of non clogging type Submersible Pumps having CI

Sewage&Transfer

Pump Shaft complete with foundation bolt and all accessories, motor of required

Flow Rate: 6.7 M3/Hr

Solid handling : 16-18 MM

Purpose: For sewage transfer from equalisation tank to Anoxic Tank

Supply, installation, testing & commissioning of non clogging monoblock type Sludge

Flow pump having CI casing & CI impeller complete with and foundation bolts all

Solid handling : 8 MM

Purpose: For Transfer Sludge to Sludge Holding Tank and Recirculation to Aeration Reacter

2 Nos. twin type rotary air blowers (1W + 1S) capable of delivering of free air at 0.5 kg/cm2 driven

through “V” belt or

Blower Capacity directly

: 64 m3/Hrcoupled through flexible coupling to a TEFC motor of suitable HP

Supply, installation, testing & commissioning of Decanter for SBR system. Diameter size : 50

Type : Moving/Floating

Pipes and fittings for Air piping and Air Grid

Level transmitter/controller and accessories

PLC for SBR system

Filter Feed Pump

Capacity : 2.5 M3/Hr

Purpose : For Feed Water into Filter MGF/ACF

Supply, installtiong, testing and commissioning of FRP vessel filter with frontal piping and

associated valves

Pressure Sand and accessories. Filter shall be suitable for minimum working pressure of 3.5 kg

Type : Down Flow

Flow rate: 2.5 M3/hr

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Filter Media: Sand & Gravel

Purpose: For removal of suspended solids

Activated Carbon Filter

Type : Down Flow

Flow rate: 3. 5 M3/hr

Filter Media: Activated carbon

Purpose: For removal of color & odor

Supply, installation, testing and commissioning of Sludge Feed Pumps Screw type Complete with all

Capacity & :accessories.

0.5 M3/H Including foundation and foundation bolts.( 2Nos.- 1W+1S)

Purpose : For Feed Sludge to filter press

Supply, installation, testing & commissioning of Poly dosing system comprising of 100 ltrs

Purpose : For tank with 0-6 LPH

Thickening electronic metering type pump and complete with motor.

Supply, installation, testing & commissioning of Chlorine dosing system comprising of 100 ltrs

Purpose : For tank with 0-6 LPH

Disinfection of Hypochlorite

water Dosing electronic metering type pump.

Supply, installation, testing and commissioning of Filter Press of particular size with all fittings &

Size of Filter Manual

accessories. operated. Plates

Purpose : For Sludge Drying

Providing and fixing all piping (as described below) and isolation control valves for making the

UPVC :complete.

Submerged air piping

MS Epoxy : Air piping & pumped effluent riser (non-submerged)

UPVC : Interconnecting pipe line after delivery header of pump/ filter

UPVC : Pumped effluent (submerged) & tank overflow pipe line

Purpose :- For Flow Control & Transfer path of Flow

Supply and fixing Disc type, EPDM Membrane based, Coarse Bubble Diffuser capable of handling 2-

3 cfm ofDiffusers

Coarse air Air dispersion grid shall be assembled on fixed upvc grid for equalisation tank & sludge

Supply and fixing Tube type, EPDM Membrane based, non clog type air dispersion system capable

Fine 3-5 cfm of air with oxygen transfer efficiency of 3-4% per/meter water depth. Air

The UV unit shall have with reactor, cabinet housing, cabinet cooling, treatment chamber, electrical

Flow temperature safety control, lampout alert, UV radiometer along with all requirement.

Purpose : For Disinfection of water

Supply, installation, testing and commissioning of Agitator in the Anoxic Tank to keep the sewage

in mixed :regime.

Purpose The MOC of

For Completion ofmixer shall Reaction

Chemical be Body- CI with suitable guide rail. Drive - Motor- (Kw

Ultrafiltration

Supply, installation testing and commissioning of packaged type Ultra filteration unit with all

Capacity :2.5 and accessories complete to make the system functional and shall be installed after

Purpose:- For Membrane Filteration

ELECTRICAL AND INSTRUMENTATION FOR INSTALLATION FOR SEWAGE TREATMENT

This includes Design, supply, installation, testing and commissioning of STP Main Electrical Panel

(Sewage with individual

Treatment DOL starter of suitable capcity upto 10 HP motor and Star delta

Make : CPRI Approved

Suppy, installation, testing & commissioning of cable & cable tray as per required.

Suppy, installation, testing & commissioning of electro-mangnetic type flow meter at inlet of reactor

Purpose : For Measure flow quantity with time

Suppy, installation, testing & commissioning of electro-mangnetic type flow meter at inlet of reactor

Supply, Installation, Testing & Commissioning of Water level controller for operation of the system

connected to control

Purpose : For control panel for automatic

Amount of Influentswitching

in tank ON / OFF of each pump.

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Supply, Installation, Testing & Commissioning of pressure gauges with in all respect

Purpose : For Measure & Indicate the pressure into vessel

Supply, Installation, Testing & Commisioning of PH Indicator with in all respect

Purpose : For measure acidic & alkaline nature of water

Complete Set including all Items as described above

ELECTRICAL WORKS

SUB HEAD - I: CIRCUIT CUM POINT WIRING

SWITCH CONTROL LIGHT POINTS

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS/HFFR

PVC insulated copper conductor single core cable in surface / recessed medium class PVC conduit,

with modular switch, modular plate, suitable GI box and earthing the point with 1.5 sq.mm

FRLS/HFFR PVC insulated copper conductor single core cable etc. as required. .

Wiring for group controlled (looped) light point/fan point/exhaust fan point/ call bell point (

withoutCindependent switch etc.) with 1.5 sq. mm FRLS/HFFR PVC insulated copper conductor

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 1.5 sq.mm FRLS/HFFR

Group C copper conductor single core cable in surface/ recessed steel conduit, with modular

Wiring for group controlled (looped) light point/fan point/exhaust fan point/ call bell point (without

Group C switch etc.) with 1.5 sq. mm FRLS/HFFR PVC insulated copper conductor single core

MCB CONTROL LIGHT POINTS

Wiring for light point/ fan point/ exhaust fan point/ call bell point with 2.5 sq.mm FRLS/HFFR

PVC insulated copper conductor single core cable in surface / recessed steel conduit, with modular

switch, modular plate, suitable GI box and earthing the point with 2.5 sq.mm FRLS PVC insulated

copper conductor single core cable etc. as required. (Switch Control Primary Points)

Primary point controlled by one MCB.

Same as item above but Secondary point. i.e. Points to be looped with Primary point with 2.5 sqmm

Wiring wire and

for light/ Point

plug with 2X4 sq. mm FRLS PVC insulated copper conductor single core

cable in surface/ recessed steel

Wiring for light/ power plug with conduit

2X4 alongwith 1 No.PVC

sq. mm FRLS 4 sq.insulated

mm FRLS PVC insulated

copper conductorcopper

Wiring surface/

circuit/recessed

submainmedium class PVC earth

wiring alongwith conduit alongwith

wire with the1following

of FRLS/HFFR PVC

insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as

2 X 1.5 sq. mm + 1 X 1.5 sq. mm earth wire

2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire

2 X 4 sq. mm + 1 X 4 sq. mm earth wire

2 x 10 sq. mm + 1 x 6 sq.mm earth wire

2 x 16 sq. mm + 1 x 6 sq.mm earth wire

4 X 6 sq. mm + 2 X 6 sq. mm earth wire

4 X 10 sq. mm + 2 X 6 sq. mm earth wire

4 X 16 sq. mm + 2 X 6 sq. mm earth wire

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS/HFFR PVC

insulated copper conductor, single core cable in surface/ recessed steel conduit as required.

2 X 1.5 sq. mm + 1 X 1.5 sq. mm earth wire

2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire

2 X 6 sq. mm + 1 X 6 sq. mm earth wire

2 x 10 sq. mm + 1 x 6 sq.mm earth wire

2 x 16 sq. mm + 1 x 6 sq.mm earth wire

4 X 6 sq. mm + 2 X 6 sq. mm earth wire

4 X 10 sq. mm + 2 X 6 sq. mm earth wire

4 X 16 sq. mm + 2 X 6 sq. mm earth wire

Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in

recess including providing and fixing 3 pin 5/6 Amp modular socket outlet and 5/6 A modular

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in

recess, including providng and fixing 2 nos. 3 pin 5/6 A modular socket outlet and 2 nos. 5/6 A

modular switch, connections etc. as required. (For light plugs to be used in non residential

Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in

recess, including

Supplying providing

and fixing 20 A, and

V, SPN6 pin 5/6 & 15/16

Industrial A modular

type socket socket

outlet, with outlet

Supplying andtop alongwith

curve, SP, MCB,

Industrial typein socket

sheet steel enclosure,

outlet, on surface

with 4 pole or inmetal

enclosed plug top alongwith 30 A "C" curve, TPMCB, in sheet steel enclosure, on surface

Supplying and fixing 3 pin, 5 A ceiling rose on the existing junction box/ wooden block including or in

Supplying & etc. as suitable

fixing required.size GI box wih modular plate and cover in front on surface or in recess

Supplying andand fixing

fixing 25 ampmodular

following modularswitch/

theAmps modular

existing SP MCB,

modular “C”switch

plate & curve box

including connections

Telephone socket outlet but excluding modular plate etc. as required.

TV antenna socket outlet

Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for

modular switches

1 or 2 Module in recess etc. as required.

6 module (78mm X 205 mm X 50 mm)

Supplying and fixing following size/ modules, GI box alongwith modular base & cover plate for

modular switches

3 pin , 5/6 in recess

amps socket etc. as required.

5/6 amps switch

Supplying and fixing of following sizes of medium class PVC conduit along with accessories in

surface/recess including cutting the wall and making good the same in case of recessed conduit as

Supplying and fixing of following sizes of steel conduit along with accessories in surface/recess

25 mm painting in case of surface conduit, or cutting the wall and making good the same in case

Supplying and fixing call bell/buzzer suitable for single phase 230V complete as required.

SUBHEAD - II - FITTINGS & FIXTURES

Supply, Installation, Testing and Commissioning of 9 W Bulk head Light.

Supply, Installation, Testing and Commissioning of 10W Mirror Light.

Supplying, installation, Testing & Commissioning of LED Recessed/surface Down lighter

(Round / square/ Rectangular) COB Type of following body material and construction as per IS :

10322 with driver as per the requirement with Driver efficiency >85%, Operating voltage AC

140-270 Volt, freq 50/60 hz, Operating temp range -5 deg to 40 deg centigrade, internal

surge protection of 2.5 KV with Short & Open circuit protection ,THD < 10% , P. F.≥0.95,

IP20, CRI >80 , UGR (Unified Glare Rating) < 19, Flicker free (flicker should be below 5 %), life time

(LED,Driver & electrical circuitary), life time of minimum 50000 Burning Hours with , 70% of

initial Lumen maintained till life ends , CCT 3000°K / 4000°K / 5700°K /6500°K (As per

ANSI Bin SDCM(Standard Deviation Color Matching) <3, Maximum power consumption should

not more than the specified rating and Fixture shall be of relevant BIS standard and trade mark

certificate ( T.C.). Manufactures Word Mark/ Name Engraved/ Embossing/ Screen printing on

housing. OEM must have its own in house NABL lab setup for all testing facilities for

LED fixtures. "complete in all respect i/c external connections with 1.5 sq mm FRLS/HFFR,

PVC insulated copper conductor single core cable and earthing etc. as required with Minimum 5

year OEM warranty. System lumen efficacy ≥120 <135 lm/Watt output . LM79 & LM80 Test

report and all testing required for LED fixtures as per BIS shall be submitted Shape size and

CCT shall be as approved by Engineer-in- Charge as per requirement. (Thermal management: heat

sink of aluminium housing such that LED junction temperature shall not rise above 90°C).

Powder coated die cast /Extruded aluminium Body including trim with Aluminium Reflector.

LED Down lighter (COB Type) following wattage. (System lumen efficacy ≥120 Im/Watt)

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Supplying, installation, Testing & Commissioning of LED (surface/wall) mounted Batten light of

following body material and construction as per IS : 10322 with driver (Replaceable) as per the

requirement with Driver efficiency >85% ,Operating voltage AC 140-270 Volt, freq. 50/60 hz,

Operating temp range -5 deg to 40 deg centigrade, internal surge protection of 2.5 KV with Short &

Open circuit protection ,THD < 10% , P. F.≥0.95, IP20, CRI >80, Flicker free (flicker should be

below 5 %), life time (LED,Driver & electrical circuitary), of minimum 50000 Burning Hours

with , 70% of initial Lumen maintained till life ends, CCT 3000°K / 4000°K / 5700°K

/6500°K (As per ANSI Bin), SDCM(Standard Deviation Color Matching) <3, Maximum power

consumption should not more than the specified rating and Fixture shall be of relevant BIS

standard and trade mark certificate ( T.C.). Manufactures Word Mark/ Name Engraved/

Embossing/ Screen printing on housing. OEM must have its own in house NABL lab setup for

all testing facilities for LED fixtures. complete in all respect i/c external connections with

1.5 sq mm FRLS/HFFR, PVC insulated copper conductor single core cable and earthing etc. as

required with Minimum 5 year OEM warranty. System lumen efficacy >135 lm/Watt output .

LM79 & LM80 Test report and all testing required for LED fixtures as per BIS shall be

submitted.. Shape size and CCT shall be as approved by Engineer-in-Charge as per requirement.

(Thermal management: heat sink of aluminium housing such that LED junction temperature

shall not rise above 90°C). Powder coated die cast /Extruded aluminium Body (Thickness > 1.20

mm) Batten light (System lumen efficacy >135 lm/Watt)

Supplying, installation, Testing & Commissioning of Panel light 2x2 ft., of following body material

and construction as per IS : 10322 with driver as per the requirement with Driver efficiency >85%,

Operating voltage AC 140-270 Volt, freq 50/60 hz, Operating temp range -5 deg to 40 deg

centigrade, internal surge protection of 2.5 KV with Short & Open circuit protection,THD < 10% ,

P. F.≥0.95, IP20, CRI >80, UGR (Unified Glare Rating) < 19, Flicker free, (flicker should be below 5

%), life time (LED,Driver & electrical circuitary), of minimum 50000 Burning Hours with , 70% of

initial Lumen maintained till life ends ,CCT 3000°K / 4000°K / 5700°K /6500°K (As per

ANSI Bin), SDCM(Standard Deviation Color Matching) <3, Maximum power consumption should

not more than the specified rating and Fixture shall be of relevant BIS standard and trade mark

certificate (T.C.). Manufactures Word Mark/ Name Engraved/ Embossing/ Screen printing on

housing. complete in all respect i/c external connections with 1.5 sq mm FRLS/HFFR, PVC

insulated copper conductor single core cable and earthing etc. as required with Minimum 5 year

OEM warranty. System lumen efficacy >135 lm/Watt output . LM79 & LM80 Test report and all

testing required for LED fixtures as per BIS shall be submitted. Shape size and CCT shall be as

approved by Engineer-in-Charge as per requirement. (Thermal management: heat sink of

aluminium housing such that LED junction temperature shall not rise above 90°C). Powder coated

die cast /Extruded aluminium Body (Thickness > 1.20 mm)as per BIS shall be submitted. Shape

size and CCT shall be as approved by Engineer-in-Charge as per requirement. (Thermal

management: heat sink of aluminium housing such that LED junction temperature shall not

rise above 90°C). Powder coated die cast /Extruded aluminium Body (Thickness > 1.20 mm).

LED Panel light 2x2 ft., (System lumen efficacy >135 lm/Watt)

Supply, Installation, Testing and Commissioning of 20W Linear Surface/Recesses customize Linear

mountedInstallation,

Supply, LED. Testing and Commissioning of 20W Linear Surface/Recesses customize Linear

mounted LED with option of and

Supply, Installation, Testing DALICommissioning

dimmable driver.

of 18W BRACKET LIGHT LED FIXTURE.

Supply, Installation, Testing and Commissioning of Aviation Obstruction Lights 10w Die-cast

Supply, housing with

Installation, Red polycarbonate

Testing dome forofbetter

and Commissioning illumination.

18 watt Recessed Integral

mounted driver. Supper

accent lighting

luminaire with diecast aluminium heat sink and sand grain finishing reflector, available in two

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Supply, Installation, Testing and Commissioning of ceiling fan with Brush Less Direct Current

(BLDC) Motor, class of insulation: B, 3 nos. metal( Aluminum alloy) blades, 30 cm long down rod, 2

nos. canopies, shackle kit, safety rope, copper winding, steel/Al bodyPower Factor not less than 0.9,

Service Value (CM/M/W) minimum as below, 350 RPM (tolerance as per IS : 374-2019), THD (Total

Harmonic Distortion) less than 10%, remote (prefreably mobile app based) for speed control and all

remaining accessories including safety pin, nut bolts, washers, temperature rise=75 degree C

(max.), insulation resistance more than 2 mega ohm, suitable for 230 V, 50 Hz, single phase AC

Ceiling Fan compliant to IS 374:2019 fan Supply, earthing etc. complete as req.

900mm, service value ≥ 5.1 CM/Min/Watt, air delivery 130 CM/Min (Minimum)

1200mm, service value ≥ 6.0 CM/Min/Watt, air delivery 210 CM/Min (Minimum)

1400mm, service value ≥ 6.0 CM/Min/Watt, air delivery 245 CM/Min (Minimum)

Supply, Installation, Testing and Commissioning of 250 mm dia Domestic Exhaust Fan

Supplying,installation,testing and commissioning of Passive Infrared(PIR) technology based

occupancy sensor having high preformance, non regulating programmable type, suitable for

connected load upto 10Amp , for mounting height up to 2.8 mtr and for 5 m diameter coverage

area along with necessary fixing arrangements i/c programming at site etc. complete as required.

Supplying,installation,testing and commissioning of Passive Infrared(PIR) technology based

occupancy sensor with day light dimming(lighting level shall be regulated as per availability of

natural day light in an area along with occupancy detection.) having high preformance, regulating

programmable type, suitable for connected load upto 10Amp, for mounting height up to 2.8 mtr

and for 5 m diameter coverage area along with necessary fixing arrangements i/c programming at

site etc. complete as required.

SUBHEAD - III - DISTRIBUTION BOARDS

Supplying and fixing following way, single pole and neutral, sheet steel, MCB distribution board,

240 V, on surface/ recess, complete with tinned copper bus bar, neutral bus bar, earth bar, din

bar, interconnections, powder painted including earthing etc. as required. (But without

MCB/RCCB/Isolator)

6 way, Double door

8 way, Double door

12 way, Double door

Supplying and fixing following way, three pole and neutral, sheet steel, MCB distribution board, 415

(4 +surface/ recess

12), Double complete with tinned copper busbar, neutral busbar, earth bar, din bar,

6 way (4 + 18), Double door

8 way (4 + 24), Double door

Supplying and fixing of following ways surface/ recess mounting, vertical type, 415 V, TPN

MCB distribution board of sheet steel, dust protected, duly powder painted, inclusive of 200 A

tinned copper bus bar, common neutral link, earth bar, din bar for mounting MCBs (but without

MCBs and incomer) as required . (Note :Vertical type MCB TPDB is normally used where 3 phase

outlets are required.)

12 way (4 + 36), Double door

Supplying and fixing 5 A to 32 A rating, 240/415 V, 10 kA, "C" curve, miniature circuit breaker

Single for inductive load of following poles in the existing MCB DB complete with connections,

Single Pole Neutral

Supplying and fixing following rating, double pole, 240 V, isolator in the existing MCB DB complete

40 A connections, testing and commissioning etc. as required.

Supplying and fixing following rating, four pole, 415 V, isolator in the existing MCB DB complete

40 A connections, testing and commissioning etc. as required.

Supplying and fixing following rating, double pole, (single phase and neutral), 240 V, residual

25 A circuit breaker (RCCB), having a sensitivity current 30 mA in the existing MCB DB

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Providing and fixing following capacity TP&N disconnector fuse switch unit inside the existing panel

board with ISI marked HRC fuses including drilling holes in cubicle panel, making connections, etc.

100 A, 30KA, FP MCCB

125 A, 30KA, FP MCCB

Supplying and fixing single pole blanking plate in the existing MCB DB complete etc. as required.

SUBHEAD - IV- UPS SYSTEM

Online UPS- Input supply: Three Phase, Output supply: Three Phase

Supplying, installation, Testing & Commissioning of of following capacity at full load (Unity Power

Factor) at operating temperature 0 to 40 deg C, Relative humidity 0 to 95%, Online double

conversion true sine wave Uninterrupted hot swappable (allow for the replacement or addition of

battery modules without shutting down the entire system) modular Power

Supply (UPS) system with N+1 modules (N denotes total number of moduels requird for rated

capacity). The UPS shall include a Rectifier, inverter, battery bank suitable for 30 minutes back up

(Battery VAH capacity shall not be less than 1600 VAH per KVA of UPS rating per Hour backup

time) on full load (Battery shall be VRLA, SMF in ABS Container) and Static Bypass switch

alongwith provision for manual bypass, suitable isolation transformer

for additional protection against neutral faults etc. UPS shall have inbuilt phase sequence

correction. The UPS systems offered are to be of the latest technology with Digital Control

Microprocessor based for reliable operation using Insulated Gate Bipolar Transistor (IGBT)'s both

for the rectifier &

inverter (3 Level) with PWM (Pulse Width Modulation). The quality of design, manufacturing and

inspection process should confirm to the relevant Inter national standards such as IEC/EN/VDE.

The operating efficiency of the

UPS systems shall be >96% while operating on battery mode and delivering quality power to the

100% non-linear

integration, loads. Current

all hardware total harmonic

& software effect(ITHD) on the

for iOT Communication as input grid shallbybeEngineering

per approved < 5% at 50 in

charge. Required battery racks and interconnecting copper

d) Battery: Voltage, Capacity. e) Load: KVA, KW, Percentage. conductor cables of suitable size and

200KVA STS, Inverter,

(Each Power PFC. be

module shall g) Event Logging & Statistical Data (On LCD/LED): UPS should

EXTERNAL ELECTRICAL WORK

SUB HEAD - I : HT EQUIPMENT & TRANSFORMER

P/ F MV Danger Notice Plate

Providing and fixing MV Danger Notice Plate of 200 mm x 150 mm, made of mild steel, at least 2

P/ Fthick, and vitreous

HT Danger Noticeenamelled

Plate white on both sides and with inscription in single red colour on

Providing and fixing HT danger notice plate of 250 mm x 200 mm, made of mild steel, at least 2 mm

33 KVand HT vitreous enamelled(THREE

SWITCHBOARD white onPANEL)-INDOOR

both sides and with

DUTYinscription in single red

(TO BE LOCATED colour

Supply, installation , testing and commissioning of a 3 panel Board (One Incomer + Two Outgoing)

indoor duty totally

All Incoming enclosed

and outgoing sheet shall

feeders steel have

fault mounting, vermin

trip auxiliiary proof,for

contacts fully interlocked

wiring vertical

to annunciation

fault trip indication

Two Incoming Panelpanel

equipped with : (For Each Feeder )

1- Air insulated metal clad housing

1- set of 3 phase PVC insulated copper busbars 1250 amps rating

6- single pole cluster type isolating contacts i.e. plug and switches

1- Triple pole draw out truck mounted 33kV, 1000 MVA, 1250 Amps Vacuum Circuit Breaker fitted

NO/NC devices.

contacts for remote ON/OFF/TRIP status at BMS

1- Trip free 230 V AC, motor charged spring release closing mechanism complete with necessary

1 - 24 Voltswitches,

DC shunt emergency

trip coil hand trip device and mechanical 'OFF' & 'ON' indicator.

1 set-Dual Core Cast Resin Current transformers of ratio 120/50/5A Class 5P10 and Class 0.2S,

1- 3 burden forresin

cast protection & metering.

horizontal draw out line potential transformer ratio 33 KV/√3:110/√3 Volt,

heater connected

prevent with H.V.

absorption and L.V. connections, H.V.fuses and LV MPCB of adequate

The instrument and relay panel fitted with :

1- Square voltmeter of 96 x 96 mm scaled 0-33000 volt with 3 way and OFF selector switch.

1- Square Ammeter of 96 x 96 mm scaled 0-100 amps with 3 way and OFF selector switch.

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

1 no. energy analyser to measure voltage, current, power factor, frequency,kW/kVA, kWh, kVArh,

- no. circuit breakerwith communication

control module. (T/N/C)

switch for electrical

1- Triple pole numerical I.D.M.T. overcurrent & earth fault relay with two outer elements connected

for- overcurrent

Electro mechanical and trip

Master the middle element for earth fault protection overcurrent setting 50%

1 - Electro mechanical Anti pumping relay (94)

1 - Trip Circuit supervision relay.

1- set of Red/Green indicating lamps for close and open position

1- Amber indicating lamp for auto trip

1- clear indicating lamp for trip circuit healthy

1- set of white indicating lamps one per phase

1 - blue indicating lamp for spring charged

1 - push button on front door for emergency trip

1- Four window annunciation display to indicate fault trip of incoming and outgoing feeders

1- cable boxaudio alarmfor

suitable hooter

cablewith accept push

termination button,

to receive 33internal

KV XLPE wiring,protection

Cable 3 Core 400 fuses etc.

1 Set of Power Pack 220 Volt A.C. / 24 Volt D.C. complete & suitable as required for th complete

1- Air insulated metal clad housing

1- set of 3 phase PVC insulated copper busbars 1250 amps

6- Single pole cluster type isolating contacts; i.e. plug and switches

1- Triple pole drawout truck mounted 33 kV 1000 MVA, 1250 amps Vacuum circuit breaker fitted

1- Trip control

V AC, motor charged spring release closing mechanism complete with necessary

6 NO/NC switches

contacts emergency hand trip devicestatus

for remote ON/OFF/TRIP and mechanical

at BMS 'OFF' and 'ON' indicator.

1 - 24 volts DC shunt trip coil

3 - Dual Core Cast resin Current transformers of ratio 80-60/5A Class 5P10 and Class 0.2S, 15 VA

1- Strip for protection

heater & metering.

to prevent absorption of moisture

The instrument and relay panel fitted with

1- Square Ammeter 96 mm x 96 mm scaled 0-35 amps with 3 way and OFF selector switch

1- Triple pole numerical I.D.M.T. over current and earth fault relay, with two outer elements

1 - Electro for over current

mechanical andtrip

Master the relay

middle element for earth fault protection over current setting

1 - Electro mechanical Anti pumping relay (94)

1 - Trip Circuit supervision relay.

1 - set of electro mechanical auxiliary relay for OLTC

1- set Electro mechanical auxiliary relay for transformer fault ALARM for winding temperature

1- set Electro mechanical auxiliary relay for transformer fault TRIP for winding temperature

1 - no. circuit breaker control switch for electrical (T/N/C)

1- set of Red/Green indicating lamps for close and open position

1- Amber indicating lamp for auto trip

1- clear indicating lamp for trip circuit healthy

1- set of white indicating lamps one per phase

1 - blue indicating lamp for spring charged

1- cable termination suitable for cable joint to receive 33 KV XLPE cable 3 core 400 sqmm.

The switchboard shall be complete with all interconnections, label wiring, etc as required and as per

Supplying, Installation, Testing & Commissioning Rate for 33 kV HT Panel as described above

33 KV HT SWITCHBOARD (SIX PANEL) (TO BE LOCATED IN THE SUB-STATION)

Supply, installation , testing and commissioning of a 6 panel Board (Two Incomer + Bus Coupler +

Incoming outgoingindoor

and(2W+1S) feedersduty

shalltotally enclosed

have fault trip sheet steelcontacts

auxiliiary clad floor

wiring to vermin proof,

fault trip indication panel

Two Incoming Panel equipped with : (For Each Feeder )

1- Air insulated metal clad housing

1- set of 3 phase PVC insulated copper busbars 1250 amps rating

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

6- single pole cluster type isolating contacts i.e. plug and switches

1- Triple pole draw out truck mounted 33kV, 1000 MVA, 1250 Amps Vacuum Circuit Breaker fitted

with arc control

6 NO/NC devices.

contacts for remote ON/OFF/TRIP status at BMS

1- Trip free 230 V AC, motor charged spring release closing mechanism complete with necessary

- 24 Volt DC shuntemergency

trip coil hand trip device and mechanical 'OFF' & 'ON' indicator.

1 set-Dual Core Cast Resin Current transformers of ratio 80-60/5A Class 5P20 and Class 0.2S, 15

1- Phase for protection

cast & metering.

resin horizontal draw out line potential transformer ratio 33 KV/√3:110/√3 Volt,

1- Strip heater to prevent absorptionH.V.

0.2S, 200 VA connected with and L.V. connections, H.V.fuses and LV MPCB of adequate

The instrument and relay panel fitted with :

1- Square voltmeter of 96 x 96 mm scaled 0-33000 volt with 3 way and OFF selector switch.

1- Square Ammeter of 96 x 96 mm scaled 0-100 amps with 3 way and OFF selector switch.

1 no. energy analyser to measure voltage, current, power factor, frequency,kW/kVA, kWh, kVArh,

kVAh,Real time,date

1 - no. circuit breakerwith communication

control module. (T/N/C)

switch for electrical

1- Triple pole numerical I.D.M.T. overcurrent & earth fault relay with two outer elements connected

1 - overcurrent protection

Electro mechanical and trip

Master the middle element for earth fault protection overcurrent setting 50%

1 - Electro mechanical Anti pumping relay (94)

1 - Trip Circuit supervision relay.

1- set of Red/Green indicating lamps for close and open position

1- Amber indicating lamp for auto trip

1- clear indicating lamp for trip circuit healthy

1- set of white indicating lamps one per phase

1 - blue indicating lamp for spring charged

1 - push button on front door for emergency trip

1- Four window annunciation display to indicate fault trip of incoming and outgoing feeders

cable box alarmfor

suitable hooter

cablewith accept push

termination button,

to receive 33internal

KV XLPE wiring,protection

Cable 3 Core 400 fuses etc.

1 Set of Power Pack 220 Volt A.C. / 24 Volt D.C. complete & suitable as required for th complete

Four Nos. Outgoings- : (One Bus Coupler + Three Outgoing)

1- Air insulated metal clad housing

1- set of 3 phase PVC insulated copper busbars 1250 amps

6- Single pole cluster type isolating contacts; i.e. plug and switches

1- Triple pole drawout truck mounted 33 kV 1000 MVA, 1250 amps Vacuum circuit breaker fitted

1- Trip control

V AC, motor charged spring release closing mechanism complete with necessary

6 NO/NC contacts emergency

switches hand trip devicestatus

for remote ON/OFF/TRIP and mechanical

at BMS 'OFF' and 'ON' indicator.

1 - 24 volts DC shunt trip coil

3 - Dual Core Cast resin Current transformers of ratio 80-60/5A Class 5P10 and Class 0.2S B, 15

1- burden for protection

heater to prevent &absorption

metering. of moisture

The instrument and relay panel fitted with

1- Square Ammeter 96 mm x 96 mm scaled 0-35 amps with 3 way and OFF selector switch

1- Triple pole numerical I.D.M.T. over current and earth fault relay, with two outer elements

1 - Electro for over current

mechanical andtrip

Master the relay

middle element for earth fault protection over current setting

1 - Electro mechanical Anti pumping relay (94)

1 - Trip Circuit supervision relay.

1 - set of electro mechanical auxiliary relay for OLTC

1- set Electro mechanical auxiliary relay for transformer fault ALARM for winding temperature

1- set Electro mechanical auxiliary relay for transformer fault TRIP for winding temperature

1 - no. circuit breaker control switch for electrical (T/N/C)

1- set of Red/Green indicating lamps for close and open position

1- Amber indicating lamp for auto trip

1- clear indicating lamp for trip circuit healthy

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

1- set of white indicating lamps one per phase

1 - blue indicating lamp for spring charged

1- cable termination suitable for cable joint to receive 33 KV XLPE cable 3 core 400 sqmm.

The switchboard shall be complete with all interconnections, label wiring, etc as required and as per

Supplying, Installation, Testing & Commissioning Rate for 33 kV HT Panel as described above

Supply, erection, testing and commissioning of 230V, single phase 2 wire AC to 24V DC Batteries

charger ( SMPS BasedKV,

DRY Type-33/0.433 ) with semiconductor/IGBT

3 Phase, fullwave rectifier

50 Hz Indoor mounting with auto

transformer /manual float cum

Supply, installation, testing and commissioning of following capacity (continuous loading)

33/0.433 KV Delta/Star,step down, 3 Phase, 50 Hz, Dyn 11 vector group, Cast Resin / VPI

(vacuum pressure impregnated) Dry Type, copper wound transformer (Electrolytic grade 99.9% pure

copper, Core made of first grade Cold Rolled Grain Oriented (CRGO) Core grade MOH or better) AN

(air natural) cooled transformer suitable for Outdoor applications with enclosure, On Load Tap

Changer (OLTC) on HV side having AVS relay and Remote Tap Changer Control (RTCC) for

automatic sensing of incoming voltage, automatic operation of OLTC and facility for remote/

manual operation of OLTC HV side in range of +5% to -15% in steps of 2.5%, insulation class F

(minimum), suitable for environment conditions class E4, suitable for fire behaviour class

F1,climate class-C1, having cable end boxes on HV side suitable for 3x400 sqmm XLPE cable of 33

KV grade with necessary hardware, clamps, lugs etc. for termination on HV/MV etc. for all

transformers, bus trunking arrangement on LV side complete with all accessories and safety

provisions as per relevant IS Code ,The transformer shall be provided with standard

fittings/accessories as per relevant IS and mentioned below, protection alarm/trip protection, 3

nos. of Polymeric Zinc Oxide surge Arrestors on HV Side. Winding Temperature scanner (Digital)

with alarm/Trip contacts with RTD Sensors per LV winding and space for mounting differential

protection CT's in LV chamber with neutral brought out separately including supplying and laying

of copper conductor multicore control cable from transformer to HT breaker/HT Panel for safety

tripping, complete as confirming to IS-2026 Part-11, i/c supplying and grouting of suitable M.S.

Channel with all accessories ,complete in all respects as required at site as per CPWDspecifications

. Design ambient condition : a) air temperature 50 deg C, b) Relative Humidity 90 % Max, c)

Seismic Zone as per location of site, d) Altitude as per location/site. The transformer should have

QR code which should contain drawing, test report OEM manual,Geo- Tag of manufacturing

location, rating plate as per relevant IS Code etc. All testing shall as per relevant IS Code. Noise

level Shall not exceed limits as per NEMA TR-1 with all accessories running measured as per IEC

551 / NEMA standard. The enclosure shall also have Welded Door handle , Danger plate on HV and

LV side doors, caution plate for tap links for HT doors, Door limit switch on both HV and LV side

doors to be wired up to WTI box terminal for tripping the transformer in case door is opened with

theenclosure transformer energized, Phase marking plates on HV and LV doors. Fitting and

Accessories : The following fittings shall be provided:- a) Two earthing terminals with the earthing

symbol b) Rating and terminal marking plates; c) Thermometer pocket with cap; d) Lifting lugs for

the complete transformer as well as for core and winding assembly; e) Bi-directional flat rollers (for

transformers above 200 kVA); f) HV side neutral grounding strip (where one of the HV bushing

terminal is connected to earth); g) Arcing horns or suitable rating lightning arrestors for HT side – 3

Nos. for transformers up to 200 kVA; h) Bird guard; i) Jacking pads (for transformer above 1 600

kVA); j) Name Rating & Diagram Plate. k) Monogram Plate.i) Additional neutral seperately brought

out on bushing for earthing. Note : The permissible total losses value shall not exceed by 15% the

losses as per Level 5.

2500 KVA (losses at 50% loading < 5900watt, losses at 100% loading < 17500watt)

Supplying of following size of aluminum conductor, XLPE insulated armoured and over all PVC

sheathed, 33 KV (E)

3C x 400 sq.mm. grade

XLPE earthedAluminium.

insulated cable as perArmored.

IS code and technical specifications

Laying of one number additional XLPE power cable of 33 KV grade of following size direct in ground

Above 120 sq.trench

sq. mm.formation including excavation, sand cushioning,

Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with

all accessories

400 sq. mm including lugs suitable for following size of 3 core, XLPE aluminium conductor cable

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete

accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

P/ F RCC Hume Pipe

Providing, laying and fixing following dia RCC pipe NP2 class (light duty) in ground complete with

150 collars, jointing with cement mortar 1:2 (1 cement : 2 fine sand) including trenching (75 cm

Supply of fire buckets 4 No. in each set duly filled with fine sand and fixed on an angle iron frame

as per requirement of local authorities. Fire buckets shall be painted red from outside and white

from inside with additional handle at the bottom and suitable for outdoor installation.

Supply and fixing on position the approved Single Line Diagram framed in 1000 x 800 mm size

of First installed

box asin main switch

directed room as

by Engineer directed by Engineer Incharge

Supply of tool kit with 1 pair 33 KV rubber hand gloves as directed by Engineer Incharge.

Supplying & fixing standard shock treatment charts in English & Hindi duly framed and covered

with glassSafety

Providing as directed by Engineer

mat made Incharge.

of elastomeric polymers Material (Class B) 1.2 M wide with thickness 2.5

mm to withstand 33KV dielectric strength

Providing a mat made of elastomeric polymers AS PER relevant

Material IS ACode

(Class )1.2 M wide with 2 mm thickness to

withstand 1.1 KV dielectric strength AS PER relevant IS Code

SUB HEAD -II :SUPPLY, INSTALLATION, TESTING AND COMMISIONING OF DG SET

Design, ALL ACCESSORIES

manufacture, supply, erection, testing & commissioning of following rating of DG Sets in

Accoustic Enclosure, having self excited & self regulated 415 V, 3 Phase, 4-Wire, 50 Hz, 0.8 p.f.

Alternator coupled with multi-cylinder, turbo-charged/ turbo-charged after radiator cooled, called

for, Diesel Engine capable to generate the power not less than the required BHP to achieve the

alternator capacity as given below, with Water Cooled heat exchanger DG Set, hospital type

silencers and Electronic governer (G3 Governing System), DG set controller suitable for Auto

Synchronization & Auto Load Sharing with microprocessor based Synchronization relay like

Woodward/Dief/ Deepsea or equivalent including providing of Engine control panel, 24V batteries

of suitable rating, battery-charger with battery leads, 990 liters oil fuel tank of capacity as per

OEM standards and complete with all standard accessories & protection as required and as

per specifications, including first filling of lube oil, fuel tank, providing common base plate, anti

vibration pads, drip trays, foundation bolts, nuts, bolts, cable termination/adopter box sutiable to

terminate upto 9 nos. of 3.5Cx300 sq.mm. XLPE cables as required for a complete installation

including RCC/PCC foundation for DG set as per the structural detail for Dynamic Load submitted

by the Vendor and approve by the Client. DG set should comply relevant Indian standards. DG

shall have Remote Monitoring System.

1500 KVA (With Outdoor Acoustic Enclosure)

EXHAUST PIPE & CHIMNEY

Supply, installation, testing and commissioning of exhaust pipe fabricated out of 6 mm thick MS

pipe Class C Heavy duty conforming to IS:3589 with all fixing accessories and hardwares.The work

include necessary cladding of exhaust pipe work using 50 mm thick Loosely bound resin (LBR)

mattress/ mineral wool/ Rockwool, density not less than 120 kg/m3 and aluminium cladding (0.6

mm thick) for the complete portion. The exhaust pipe work includes necessary supports, foundation

etc. to avoid any load & stress on turbo charger / exhaust piping.The exhaust pipe shall be run

along the existing wall of the building duly clamped/supported on independent structure for which,

the design and Drawing for such structure shall be got approved from the Engineer-in-charge.

Design, supply, fabrication and erection of steel structure from channel /angle iron of suitable sizes

to support the chimney /exhaust MS pipe duly taking into consideration of the wind load/pressure

at the site etc. including the cost of civil foundations as required to support a maximum of 2 nos

exhaust chimneys on the overhead platform complete as required. The structure shall be given

primer coat and two coats of enamel painting.

SS Flexible Bellow 400 mm dia

Aluminium cladding for the residential silencers

Supply & Fixing of Y Bend for Exhaust pipe

Design, supply, fabrication and erection of underground HSD oil storage tank of 40KL is planned

days storage of PANELS

-III : LT High-Speed Diesel for DG sets, complete with all standard accessories &

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

Design, fabrication, assembly, wiring and supply of front operated dead front cubicle type

compartmentalised as per Form 3B, rear access free standing, dust and vermin proof (IP 42 ingress

protection) main switchboards suitable for use at 415 volts, 3 phase 4 wire 50 Hertz system suitable

for a symmetrical fault level of 50 kA at 415 volts, fabricated from 2 mm thick CRCA MS sheets with

hinged, gasketted (metal based neoprene) and lockable doors having structural reinforcement with

suitable angle/channel/T/flat sections including 3 mm thick gland plates on top and bottom and

including lifting hooks with sleeved TPN Aluminum Bus bars and GI earth strip of required size

with 2 nos earthing terminals and including powder coated paint finish of approved shade (RAL

7032) over metal surface cleaned and treated with seven tank process complete with

interconnections etc as per specifications, as required and as below. This main panel must be

extendable for future requirement in such a manner not to disrupt ongoing services at the point of

use during extension. All LT Panel shall conform to latest IS/IEC -61439 code. All Panel shall be

complete with power & control wiring, danger & inscription plate, Lifting hooks etc.

Each incoming / outgoing breaker shall have microprocessor release with adjustable over current,

fault protection

overload,with instantaneous

short as mentioned

circuit & earth in specification.

fault protection and aboveThe Panel

microprocessor. The panel shall be manufactured as per BOQ, tech specification and drawing.

(Note:The contractor may select the next higher fault rating of ACB/ MCCB if it is not readily

NOTE: PANEL,without any extra

MUST BE AS costPER

61439indicated within theFROM

TYPE TESTED bracket are INDIA

ANY required maxmum

LABORATORY (CPRI/ERDA ETC) FOR ROTECTION AGAINST SHORT CIRCUIT/TEMPERATURE

RISE/INTERNAL ARC/DEGREE OF PROTECTION) (PTTA PANEL UPTO 800A & TTA PANEL ABOVE

INCOMER FROM TRANSFORMER 1 & 2 (2 Nos. 2500 KVA)

2 Nos. 4000A 4P ACB, 50 kA breaking capacity, electrically operated Drawout (EDO) type with

2 Sets - digital release and rotatry

multifunction meterhandle

(showing harmonics along with all other electrical parameters

such as voltage current, Hz, KW, KWHr, PF.) with RS 485 port with matching cast resin CT's

2 Sets - 0-500V 96 sqmm Voltmeter with selector switch, 3 No. phase indicating LED lamp to show

indicating LEDwith control

for ACB SP MCB.

On/Off/ Trip with protective SP MCB's.

2 Sets of CTs of the ratio 4000/5A for APFC Relay, burden 15 VA

2 Sets of CTs of the ratio 4000/5A with class 1.0 Accuracy for Metering, burden 15 VA

2 Nos. 4000/5A , 15 VA, 5P20 CT's for Protection

2 Nos. Under Voltage relay (27)

2 Nos. Over voltage relay(59)

2 Nos. O/C & Earth fault realy

2 Nos. Negative Phase protection Relay(46), Main voltage relay

1 No. of 4000A 4P EDO ACB, 50KA with E/C having Mircroprocessor based releases for O/L, S/C

1 E/Fofprotection.

Breaker ON-OFF-TRIP, Spring charged indication Lamps as required.

Breaker Accessories

24 V DC Shunt trip Coil-1 Set

240 V AC under Voltage release-1 set

Auto - manual/ test selector switch-1 set

Breaker control switch-1 set

Auxilliary contacts required for necessary interlocking of breakers.

2 Sets of 5000A TPN Aluminium bus bars with colour coded heat shrinkable PVC sleeves.

Auto - manual selector switch for individual breaker & PLC

Incomer terminal/Adapter box for bus duct & cable connection.

4 Nos. of 2500 A 4P electrically operated Drawout type ACB with Ics=Icu=Icw 50 KA having

Mircroprocessor

4 Nos. of 1600 Abased releases for

4P electrically O/L, S/C

operated & E/F.

Drawout type ACB with Ics=Icu=Icw 50 KA having

Mircroprocessor

2 Nos. of 1000 Abased releases for

4P electrically O/L, S/C

operated & E/F.

Drawout type ACB with Ics=Icu=Icw 50 KA having

Mircroprocessor based releases for O/L, S/C & E/F.

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

1 Nos. of 800 A 4P electrically operated Drawout type ACB with Ics=Icu=Icw 50 KA having

Mircroprocessor

2 Nos. 630A TPN based releases

MCCB, 50 kAforbreaking

O/L, S/Ccapacity

& E/F. with Microprocessor l release and adjustable

setting and with rotary handle.

2 Nos. 500A TPN MCCB, 50 kA breaking capacity with Microprocessor l release and adjustable

TPNrotary handle.

MCCB, 50 kA breaking capacity with Microprocessor l release and adjustable

No. 250A TPN rotary

35 kA breaking capacity with thermal release and adjustable setting and

with rotary handle.

3 No. 200A TPN MCCB, 35 kA breaking capacity with thermal release and adjustable setting and

TPN MCCB, 35 kA breaking capacity with thermal release and adjustable setting and

with rotary handle.

Supplying,Receiving, fixing, testing & commissioning of Main LT Panel as described above

Note:The Main LT Panel shall also include the following:

(i) Necessary control and firing card with proper control wiring and lugs of the required rating to be

(ii) Heavy duty exhaust fans to be provided for cooling

(iii) Each Incommer shall have Surge Protection Device.

(iv) All outgoing feeders of Main LT Panel shall have BMS compatible Electronic Energy Meter and

DG SYNC PANEL indication Lamps

2 Nos. 2500A 4P ACB, 50 kA breaking capacity, electrically operated Drawout (EDO) type with

2 Sets - digital release and rotatry

multifunction meterhandle

(showing harmonics along with all other electrical parameters

such as voltage current, Hz, KW, KWHr, PF.) with RS 485 port with matching cast resin CT's

2 Sets - 0-500V 96 sqmm Voltmeter with selector switch, 3 No. phase indicating LED lamp to show

indicating with

for ACB SP MCB.

On/Off/ Trip with protective SP MCB's.

2 Sets of CTs of the ratio 2500/5A with class 1.0 Accuracy for Metering, burden 15 VA

2 Nos. 2500/5A, 15 VA, 5P20 CT's for Protection

2 Nos. Under Voltage relay (27)

2 Nos. Over voltage relay(59)

2 Nos. O/C & Earth fault realy

2 Nos. Negative Phase protection Relay(46), Main voltage relay

1 Sets of 5000A TPN Aluminium bus bars with colour coded heat shrinkable PVC sleeves.

Auto - manual selector switch for individual breaker & PLC

Incomer terminal/Adapter box for bus duct & cable connection.

2 Nos. of 2500 A 4P electrically operated Drawout type ACB with Ics=Icu=Icw 50 KA having

Mircroprocessor based fixing,

Supplying,Receiving, releasestesting

commissioning of DG SYNC Panel as described above

Note:The Panel shall also include the following:

(i) Necessary control and firing card with proper control wiring and lugs of the required rating to be

(ii) Heavy duty exhaust fans to be provided for cooling

(iii) Each Incommer shall have Surge Protection Device.

ESSENTIAL PANEL (LT Panel-2)

INCOMER FROM (DG SYNC PANEL & Main LT Panel)

4 Nos. of 2500 A 4P EDO ACB, 50KA with E/C having Mircroprocessor based releases for O/L, S/C

4 E/F. - digital multifunction meter (showing harmonics along with all other electrical parameters

such as voltage current, Hz, KW, KWHr, PF.) with RS 485 port with matching cast resin CT's

4 Sets - 0-500V 96 sqmm Voltmeter with selector switch, 3 No. phase indicating LED lamp to show

indicating LEDwith control

for ACB SP MCB.

On/Off/ Trip with protective SP MCB's.

4 Sets of CTs of the ratio 2500/5A with class 1.0 Accuracy for Metering, burden 15 VA

4 Nos. 2500/5A , 15 VA, CL-5P20 CT's for Protection

4 Nos. Under Voltage relay (27)

4 Nos. Over voltage relay(59)

4 Nos. O/C & Earth fault realy

4 Nos. Negative Phase protection Relay(46), Main voltage relay

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

1 No. of 2500A 4P EDO ACB, 50KA with E/C having Mircroprocessor based releases for O/L, S/C

1 E/Fofprotection.

Breaker ON-OFF-TRIP, Spring charged indication Lamps as required.

Breaker Accessories

24 V DC Shunt trip Coil-1 Set

240 V AC under Voltage release-1 set

Auto - manual/ test selector switch-1 set

Breaker control switch-1 set

Auxilliary contacts required for necessary interlocking of breakers.

2 Sets of 3200A TPN Aluminum bus bars with colour coded heat shrinkable PVC sleeves.

Auto - manual selector switch for individual breaker & PLC

Incomer terminal/Adapter box for bus duct & cable connection.

8 Channel temperature scanner for monitoring bearing and winding temperature for each DG set

Battery Charger 24 V, 20 A for each DG sets

16 window facia annunciator for each DG set

Auto - manual selector switch for individual breaker & PLC

Incomer terminal/Adapter box for bus duct & cable connection.

1 No. 32-bit microprocessor based PLC with MMI for auto load Management, Auto Load sharing and

synchronization of all DG Sets, Sensing & Signaling AMF logic to synchronizing relay like

Woodward/Dief/Deepsea/PCCM or equivalent, mounted on Essential Panel, Selection of Master

DG Sets, operation(Opening/closing) of breakers like Buscoupler, Normal Supply Incoming & DG

incomers ACB's interlocking between ACBs etc as required and complete with interfacing with DG

Set Controller. PLC should have intenal battery backup of 30 minutes. Incase of failure of

synchronising relay, there shall be provision to switch ON/OFF in manual mode, all incoming

breakers for Transformers, DG sets & bus coupler operation. Required wiring with necessary

required accessories for manual mode operation shall be carried out by the contractor.

2 Nos. 1600A FP ACB, 50 kA breaking capacity, electrically operated Drawout (EDO) type with

2 Nos. 1000A FPrelease

kArotatry handle

breaking capacity, electrically operated Drawout (EDO) type with

3 Nos. 630A TPN release

MCCB, and50rotatry handle capacity with Microprocessor l release and adjustable

1 Nos. and500A with

50 kA breaking capacity with Microprocessor l release and adjustable

setting and with rotary handle.

4 Nos. 315A TPN MCCB, 35 kA breaking capacity with thermal release and adjustable setting and

TPN MCCB, 35 kA breaking capacity with thermal release and adjustable setting and

with rotary handle.

3 Nos. 160A TPN MCCB, 35 kA breaking capacity with thermal release and adjustable setting and

TPN MCCB, 35 kA breaking capacity with thermal release and adjustable setting and

TPN MCCB, 25 kA breaking capacity with thermal release and adjustable setting and

with rotary handle.

2 No. 63A TPN MCCB, 25 kA breaking capacity with thermal release and adjustable setting and

Wiring handle.

and Supplying , installation of space heater, humidistat and control MCB's shall be provided

all vertical sections.

All Bus bar section/ backside panels have pad locking facility and hinged type door

5W LED Lamp, switch shall be provided in each vertical section

Supplying,Receiving, fixing, testing & commissioning of Essential Panel as described above

Note: Incomers from Main LT Panel Supply, D.G. Sync Panel & Bus couplers shall be

Note:The Panel & mechanically interlocked.

shall also include the following:

(i) Necessary control and firing card with proper control wiring and lugs of the required rating to be

(ii) Heavy duty exhaust fans to be provided for cooling

(iii) Each Incommer shall have Surge Protection Device.

(iv) All outgoing feeders of Main LT Panel shall have BMS compatible Electronic Energy Meter and

(v) indication

In case of PLC failure, Lamps

Provision of manual operation for all incomer of Main LT Panel with on off

slector switch.

Construction of Administrative Building and Residential Flats at 3.0 acres of DVC Land at New

Town Action Area-III, Kolkata, West Bengal

HYBRID Power Factor Correction System APFC- (Capacitor Panel -900 KVAR)

Supply, Installation, testing and commissioning of HYBRID APFC Panel, 3 phase 4 wire, 415 V, 50

Hz AC System for Ambient temperature -5°C to +40°C of following capacity with passive solution of

60% capacity and active solution of 40% capacity,3Phase 4 wire Hybrid Power Factor Correction

Solution (with arrangement for neutral current balance) to achieve >0.99 lag and TDDI/THDV

values within IEEE recommended limits.APFC should be designed as per IS 16636 Or IEC 61921.

The active section and passive section shall work in sync to give optimized output. The degree of

protection of passive section should be IP 42, and of active section should be minimum IP 21.The

switching device for APFC passive section should be through capacitor duty contactor and for the

active compensation system shall be IGBT based with 3 level topology having 12 IGBT in inverter

circuit. The active compensation system should filter harmonics from 2nd to 50th individual

harmonic order and shall be selectable for the entire range. The active compensation system should

have feature to improve PF correction and harmonic filtration having response time <25Micro

second. The hybrid panel shall be indoor type floor mounted free standing totally enclosed,

extensible, fabricated in compartmentalized designed made of CRCA sheet steel of 2.0mm thick for

framework & covers, 3 mm thick for gland plate i/c cleaning & finishing complete with 9 tank

process for powder coated of approved shade ( RAL 7032-Siemens gray or as approved by Engineer-

inCharge), having front section (switch gear and control accessories) and rear section (capacitor and

reactor), front and rear access, having suitable current carrying capacity, extensible TPN Aluminum

alloy bus bar of high conductivity, DMC/SMC bus bar supports, bottom base channel of MS

Section, fabrication shall be done in transportable section,entire panel shall have common copper

earth bar of minimum size of 25mm x 5mm with 2 nos. earth studs, the earth terminals provided