Urgent toilet renovation,Replacement of Damaged Interlock and providing GI roof sheet at ECLHC

Amount

EARTH WORK

Diluting and injecting chemical emulsion for POST-CONSTRUCTIONAL anti-termite treatment (excluding the cost of chemical emulsion) :

Treatment of soil under existing floors using chemical emulsion @ one litre per hole, 300 mm apart including drilling 12 mm diameter holes and plugging with cement mortar 1 :2 (1 cement : 2 Coarse sand) to match the existing floor:

With Chlorpyriphos E.C. 20% with 1% concentration

CEMENT CONCRETE (CAST IN SITU)

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)

REINFORCED CEMENT CONCRETE

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fllets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement:

1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

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

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

Steel reinforcement for R.C.C. work ready to use "cut and bend" rebars of approved make from factory/workshop to construction site including placing in position and binding all complete upto plinth level.

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

MASONRY WORK

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 1:3 (1 cement :3 coarse sand)

CLADDING WORK

Providing and fixing 75 mm high, 50 mm deep and 18 mm thick stone slab table rubbed, edges rounded and polished, fixed in urinal partitions by cutting a chase of appropriate width with chase cutter and embedding the stone in the chase with epoxy grout or with cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 6 mm nominal size) as per direction of Engineer-in-charge and finished smooth.

Granite Stone of approved shade

WOOD AND P. V. C. 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).

First quality irul wood

Providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, fixing with butt hinges of required size with necessary screws, excluding panelling which will be paid for separately, all complete as per direction of Engineer-in-charge. (Note:- Butt hinges and necessary screws shall be paid separately)

Second class teak wood

35 mm thick shutters

Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete.

Fixed to steel windows by welding

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 20mm nominal size).

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

Providing and fixing bright finished brass 100 mm mortice latch and lock with 6 levers and a pair of lever handles of approved quality with necessary screws etc. complete.

Providing and fixing aluminium extruded section body tubular type universal hydraulic door closer (having brand logo with ISI, IS : 3564, embossed on the body, door weight upto 36 kg to 80 kg and door width from 701 mm to 1000 mm), with double speed adjustment with necessary accessories and screws etc. complete.

Providing and fixing aluminium tower 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 necessary screws etc. complete :

Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete.

Single rubber stopper

Providing and fixing bright finished 100 mm mortice lock with 6 levers without pair of handles of approved quality for aluminium door, with necessary screws etc complete as per direction of Engineer- in-charge.

Providing and fixing factory made uPVC door frame made of uPVC extruded sections having an overall dimension as below (tolerance ±1mm), with wall thickness 2.0 mm (± 0.2 mm), corners of the door frame to be Jointed with galvanized brackets and stainless steel screws, joints mitred and Plastic welded. The hinge side vertical of the frames reinforced by galvanized M.S. tube of size 19 X 19 mm and 1mm (± 0.1 mm) wall thickness and 3 nos. stainless steel hinges fixed to the frame complete as per manufacturer’s specification and direction of Engineer-in-charge

Extruded section profile size 42x50 mm

Providing and fixing to existing door frames.

25 mm thick PVC flush door shutters made out of a one piece Multi chamber extruded PVC section of the size of 762 mm X 25 mm or less as per requirement with an average wall thickness of 1 mm (± 0.3 mm). PVC foam end cap of size 23x10 mm are provided on both vertical edges to ensure the overall thickness of 25 mm. M.S. tube having dimensions 19 mm x 19 mm and 1.0 mm (± 0.1 mm) is inserted along the hinge side of the door. Core of the door shutter should be filled with High Density Polyurethane foam. The Top & Bottom edges of the shutter are covered with an end-cap of the size 25 mm X 11 mm. Door shutter shall be reinforced with special polymeric reinforcements as per manufacturer’s specification and direction of Engineer-in-charge to take up necessary hardware and fixtures. Stickers indicating the locations of hardware will be pasted at appropriate places

STEEL WORK

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

GI Tubular TATA or equvalent

Welding by gas or electric plant including transportation of plant at site etc. complete.

FLOORING

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 all colours, shades, except White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick bed of cement mortar 1:4 (1 Cement : 4 Coarse sand), jointing with grey cement slurry @ 3.3 kg/ sq.m including pointing the joints with white cement and matching pigments etc., complete.

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

Providing and laying Vitrified tiles in floor with 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 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 wall 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 make, in all colours and shades, laid on 20mm 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., complete.

Size of Tile 600 x 600 mm

ROOFING

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50mm (base metal of minimum 0.45mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in- charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Providing corrugated sheet roofing including vertical / curved surface fixed with polymer coated J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

2.0mm thick or equivalent polycarbonate Transparent trafford sheet

Providing square type UPVC gutter with necessary clamps, bolts, nuts and specials such as nozzles sockets stoppers etc. including cost and conveyance of all materials and labour charges etc. complete as per the instructions of the dept. officers

200mm or equivalent Square type UPVC

Providing and fixing precoated galvanised iron (GI) sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete :

Ridges, hips or valley

FINISHING

12 mm cement plaster of mix :

1:4 (1 cement: 4 fine sand)

French spirit polishing :

Two or more coats on new works including a coat of wood filler

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.

Two coats

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

Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete

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

One or more coats on old work

Finishing walls with Acrylic Smooth exterior paint of required shade:

Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface

REPAIRS TO BUILDING

Providing and fixing double scaffolding system (cup lock type) on the exterior side, up to seven story height made with 40 mm dia M.S. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with M.S. tubes, M.S. tube challies, M.S. clamps and M.S. staircase system in the scaffolding for working platform etc. and maintaining it in a serviceable condition for the required duration as approved and removing it there after .The scaffolding system shall be stiffened with bracings, runners, connection with the building etc wherever required for inspection of work at required locations with essential safety features for the workmen etc. complete as per directions and approval of Engineer- in-charge .The elevational area of the scaffolding shall be measured for payment purpose .The payment will be made once irrespective of duration of scaffolding. Note: - This item to be used for maintenance work judicially, necessary deduction for scaffolding in the existing item to be done.

Dismantling and Demolishing

Demolishing cement concrete manually/ by mechanical means including unserviceable materials shall be removed from the campus and disposed of at the contractor's account for all lift as per direction of Engineer - in - charge.

Nominal concrete 1:4:8 or leaner mix (i/c equivalent design mix)

Dismantling tile work in floors and roofs laid in cement mortar including stacking of servicable material in engineering unit store and unserviceable materials shall be removed from the campus and disposed of at the contractor's account. as per direction of Engineer - in - charge.

For thickness of tiles 10 mm to 25 mm

Dismantling C.I. or asbestos rain water pipe with fittings and clamps including stacking of servicable material in engineering unit store and unserviceable materials shall be removed from the campus and disposed of at the contractor's account as per direction of Engineer - in - charge.

75 to 80 mm dia pipe

100 mm dia pipe

Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of unserviceable materials shall be removed from the campus and disposed of at the contractor's account. as per direction of Engineer - in - charge.

Dismantling water closet (Indian or European) of all types (C.I./PVC/Vitrious China) with foot rest, trap, etc including stacking of servicable material in engineering unit store and unserviceable materials shall be removed from the campus and disposed of at the contractor's account. as per direction of Engineer - in - charge.

Dismantling interlock paver tile carefully, including cleaning and stacking of serviceable material in engineering unit store and disposal of unservicable material anywhere in campus and for all lift as per direction of Engineer - in - charge.

Dismantling tile work in walls laid in cement mortar including stacking material within the campus and unserviceable materials shall be removed from the campus and disposed of at the contractor's account..

Dismantling doors, windows and clerestory windows (steel or wood,FRP) shutter including chowkhats, architrave, holdfasts etc. complete and unserviceable materials shall be removed from the campus and disposed of at the contractor's account.

ROAD WORK

Providing and laying 60mm thick factory made cement concrete interlocking paver block of M -30 grade made by block making machine with strong vibratory compaction, of approved size, design& shape, laid in required colour and pattern over and including 50mm thick compacted bed of coarse sand, filling the joints with line sand etc. all complete as per the direction of Engineer-in-charge.

SANITARY INSTALLATIONS

Providing and fixing white vitreous china pedestal type water closet(European type W.C. pan) with seat and lid, 10 litre low level white P.V.C. flushing cistern, including flush pipe, with manually controlled device (handle lever), conforming to IS : 7231, with all fittings and fixtures complete, including cutting and making good the walls and floors wherever required :

W.C. pan with ISI marked white solid plastic seat and lid

Providing and fixing white vitreous china flat back half stall urinal of size 580x380x350 mm with white PVC automatic flushing cistern,with fittings, standard size C.P. brass flush pipe, spreaders with unions and clamps (all in C.P. brass) with waste fitting as per IS :2556, C.I. trap with outlet grating and other couplings in C.P. brass,including painting of fittings and cutting and making good the walls and floors wherever required :

Single half stall urinal with 5 litre P.V.C. automatic flushing cistern

Providing and fixing wash basin with C.I. brackets, 15 mm 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 require:

White Vitreous China Flat back wash basin size 550x400 mm with single 15 mm C.P. brass pillar tap

Providing and fixing P.V.C. low level flushing cistern with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete.

10 litre capacity - White

Providing and fixing 600x450 mm beveled edge mirror of superior glass (of approved quality) complete with 6 mm thick hard boardground fixed to wooden cleats with C.P. brass screws and washers complete.

Providing and fixing PTMT liquid soap container 109 mm wide, 125 mm high and 112 mm distance from wall of standard shape with bracket of the same materials with snap fittings of approved quality and colour, weighing not less than 105 gms.

Providing and fixing PTMT towel rail complete with brackets fixed to wooden cleats with CP brass screws with concealed fittings arrangement of approved quality and colour.

600 mm long towel rail with total length of 645 mm, width78 mm and effective height of 88 mm, weighing not less than 190 gms.

WATER SUPPLY

Providing and fixing ball valve (brass) of approved quality, High or low pressure, with plastic floats complete :

25 mm nominal bore

Providing and fixing C.P. brass bib cock of approved quality conforming to IS:8931 :

15 mm nominal bore

Providing and fixing C.P. brass angle valve for basin mixer and geyser points of approved quality conforming to IS:8931

15mm nominal bore

Providing and fixing Stainless Steel grating of approved quality and colour.

Rectangular type with openable rectangular lid

100 mm nominal size square

Providing and fixing Polyvinyl Chloride (PVC) pipes, including all PVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall

32 mm nominal dia Pipes (10kg/cm2)

63 mm nominal dia pipe (6kg/cm2)

110 mm nominal dia Pipes (4kg/cm2)

25 mm nominal dia Pipes (10kg/cm2)

Providing and fixing C.P. brass Health Fauset of approved quality conforming to IS:8931 :

C P Brass Health Fauset

15mm nominal bore

ALUMINIUM WORK

Providing and fxing 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 I paneling, 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)

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 4.0 mm thickness (weight not less than 10kg/sqm)

Providing and fixing 4mm thick Aluminium Partition Panels, in panelling fixed in aluminum doors, windows shutters and partition frames with C.P. brass / stainless steel screws etc. complete as per architectural drawings and directions of engineer-in-charge.

4 mm thick aluminium partion panels

WATER PROOFING

Providing Fibre lamination works to the RCC structure using resine fibre glass and chemicals after washing the surface roughly cleaned and dry fill in the cracks with suitable putty, first apply the resine to the surface well spread and pressing, applying a second layer of resin to smooth finish for forming the whole to a solid mass including cost and conveyance of all materials and labour charges etc. complete as per the instructions of the dept. off icers

Providing and laying water proofing treatment over the concrete surface by applying cement based two component polymer modified water proofing slurry coating coating (SIKA 109 TOP seal or equivalent) after cleaning the surface free from scale, rust, grease, oil etc. preparing the surface to be true and flat and saturated mixing the liquid (A) and powder (B) components in the ratio 1:4 by weight, applying in two coats with an interval of 2 to 6 hours for hardening in between and finally finished by rubbing down with a soft, dry sponge including protecting the applied surface from direct sunlight and storng wind and curing by gunny bags or polythene sheeting upto 5 days etc. complete.

NEW TECHNOLOGIES AND MATERIALS

Chipping of unsound/weak concrete material from slabs, beams, columns etc. with manual Chisel and/ or by standard power driven percussion type or of approved make including tapering of all edges, making square shoulders of cavities including cleaning the exposed concrete surface and reinforcement with wire brushes etc. including cleaning of reinforcement from rust from the reinforcing bars to give it a total rust free steel surface by using alkaline chemical rust remover of approved make with paint brush and removing loose particles after 24 hours of its application with wire brush and thoroughly washing with water and allowing it to dry and including providing, mixing and applying bonding coat of epoxy bonding adhesive (Nitobond EP or Equivalent) having coverage 2.20 sqm/kg of approved make on chipped portion of RCC as per specifications complete in all respect. and disposal of debris for all lead and lifts all complete as per direction of Engineer-In-Charge.

Favas Aruveettil (BID ID -3247932)

E K IBRAHIMKUTTY (BID ID -3247707)

Jayakumar V V (BID ID -3248110)

HARISH KUMAR CP (BID ID -3248071)

R SAJI KUMAR (BID ID -3248535)