SPECIAL REPAIR TO BLDG AT KANCHRAPARA MIL STN UNDER GE BARRACKPORE.

Amount

B/R Portion Dismantling Plain or corrugated steel sheeting any guage, thickness, including Nainital or similar pattern roof coverings

S&F prepainted galvalume aluminium zinc coating GI based corrugated steel 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screw as in roof complete all as specified.

Dismantling structural steel work in tubular purlins including doors, gates but excluding framed trusses etc. complete all as specified.

S&F Rolled section as in main & cross beams, hip & jack rafters; purlins where connected to common rafters & running rails & guides for sliding doors; fixed with angles cleats other connecting or plates conforming to Fe 290 (Gde-E-165) all as directed.

Erection and fixing only Rolled section as in main & cross beams, hip & jack rafters; purlins where connected to common rafters & running rails & guides for sliding doors; fixed with angles cleats or other connecting plates. Note:- Serviceable material shall be obtained from Srl item No 3 here-in-before for fixing.

Demolitin of brickwork built in cement mortar including all quions ,arches,pillars etc but excluding ashlar facings dressed stonework and pre cast concrete articles all as directed.

M&L for Brick work with sub class'B' bricks straight or curved on plan exc 6 mtr mean radius built in cement mortar (1:6) all as specified and directed

All as per description of item No. 07 above but except bricks complete all as specified and directed. Note:- Serviceable bricks shall be obtained from Srl item No 6 here-in-before for re-using.

M&L Brickwork with subclass 'B' bricks, straight or curved on plan to any radius in half brick thick walls built in cement mortar (1:4) and as directed.

Taking down cement plaster on brick walls or stone walls any description etc. including raking out joints, hacking for key, scrubbing down with water etc all as specified and directed.

M&L Rendering 15 mm thick cement plaster on fair faces of brick work or concrete surfaces in cement mortar (1:6) finished even and smooth without using extra cement complete all as specified and as directed.

M&L Rendering 15mm thick cement plaster on fair faces of brick work or concrete surfaces in cement mortar (1:4) finished even and smooth without using extra cement complete all as specified and directed

Demolition of reinforced cement concrete of any description and in any position not otherwise specially provided

M&L for Reinforcement cement concrete type B-1 1:2:4 (20 mm graded aggregate) as in beams, cantilever, bressummeres lintels over 1.50m spam complete all as specified and directed.

M&L for Reinforcement cement concrete type B-1 1:2:4 (20 mm graded aggregate) as in foundations including rafts, footings, foundations beams, plinth beams, bases for columns and basement slabs etc complete all as specified and directed.

M&L for Reinforcement cement concrete type B-1 1:2:4 (20 mm graded aggregate) as in columns, pillars, piers, posts and struts etc complete all as specified and directed.

Form work to sides and soffits of floor and roof beams, beams haunching, girders, bressummers, lintels and cantilever, shelves including supports over hangs etc rough finished surfaces of concrete ( flat ) complete all as specified and directed.

Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter, including flat rough finished surafaces of concrete complete all as specified and directed.

Formwork to sides of pillars, posts, struts, piers, columns, and stanchions, square, rectangular or polygonal in shape, including flat rough finished surafaces of concrete complete all as specified and directed.

M&L for TMT bars 10mm dia and over,cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mmdia or securing with clips complete all as specified & directed.

M&L for TMT bars 6 to 10mm dia ,cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, as in stirrups/ spacer hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mmdia or securing with clips all as specified & directed.

M&L for Framed work such as grills, Gate, gratings etc., with ends of bar shoulder &/or riveted, or forged into spikes; framed guard bars; barred iron doors; hang as gate incl pintel hinges. Stops, hand made sliding bolt conforming to Fe 290 GDE -E-165 complete and all as directed.

M&L Preparation of new steel sufaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint of approved shade over one coat of red oxide primer not otherwise described including rubbing out and cleaning rust on new steel surfaces Complete all as specified and as directed by the Engineer-in-charge.

M&L one coat of synthetic enamel paint on old steel surfaces of any description, exc 10 cm in width or girth, including preparation of surfaces, complete all as specified and directed.

M&L for preparation of new plastered surface of external wall and chajjas and making the surface smooth with sand paper and priming the surface with alkali resistance primer paint for external surface and applying two coats of cement base paint over primed surface including curing complete all as specified & directed.

M&L three coats of white wash on wall surface including preparation of new plastered surface complete all as spd and directed.

Demolition of cement concrete (un-reinforced) in ground floors and pavings n. exc. 15cm thickness (below or above ground level) all as directed.

M&L for Cement concrete type C-1, 1:3:6 (using 20mm graded aggregate) as in plinth protection and paving 75mm thick laid in slope finished even and fair complete all as specified

M&L for 100 mm thick PCC 1:4:8 type D-2 as in subbase to flooring.

M&L for 40 mm thick PCC, type B-1 (20 mm graded aggregate) in flooring , finished even and smooth with using extra cement cmplete all as specified and directed.

S&F 4 mm thick Fibre cement Standard ceiling board of Everest or equivalent make with false ceiling (oceanic) with powder coated exposed G.I grid suspension system (E- Grid T 2430 or equivalent load carrying capacity with mid span deflection not exceeding 1/360 span withhanger spacing of 1200 long cross Tee 1200/600 mm long and wall Angle . The wall Angle shall be fixed on pvc Dash Fasteners on the perimeter of the wall by steel screws with distance 300 mm c/c . The main Runners to be placed @1200 mm c/c. The Cross Tee 1200mm will be inserted in the pre cut slots of Main Runner at a Regular interval of 600 mm to form a modular grid of 1200mm x600 mm .Additional cross Tee 's of 600 mm shall be placed perpendicular to the cross Tee 1200 mm long to finally from a grid of 600 mm x 600 mm. Grid of module of size 600 mmx600mm shall be supported by 4 mm dia G.I. wire from purlins / soffits. 4 mm thick High pressure steam cured Non Asbestos Fibre cement standard ceiling Board ( Density > 1200 kg/ cum ) of size 595mm x 595 mm , conforming IS 14862 & Type B category III of ISO 8336 , tested as per AS 1530 part - 3 & B. S - 476 part 4,5,6,7&8, should be placed in Grid module to form complete all as specified and as directed.

Taking down chowkhats or frames n.exc 1.50 sqm with shutters (without taking off shutters from the frames) all as spd.

Taking down chowkhats of frames exc 1.50 sqm but n. exc 4.0 sqm with shutters (without taking off shutters from the frames) all as spd.

S&F for Steel windows with side hung shutters including Box type hinges with steel handles, & steel peg stay, complete with glazing bars, dovetailed or welded

S&F for Steel windows with side hung shutters including Box type hinges with steel handles, & steel peg stay, complete without glazing bars, dovetailed or welded

S&F pressed steel frame made out of MS sheet 1.25mm thick of size 105x60 mm for doors/windows with one or more rebates including necessary fixing lugs, hinges, lock strike plate etc including filling of concrete 1:3:6 type C-0 (12.50 mm graded aggregate) back of chowkhats and incl two coats of synthentic enamel paint all as specified. all as specified.

M&L for 35mm thick, 2nd class hard wood plain framed, panelled (factory made) shutters with lock rail and panel of 9mm BWP commercial ply or 12mm veneered particle board with commercial veneering on both faces, The size of rail and stile as per IS-1003 (Part-I) (Larger size to be provided) kiln seasoned and chemically pressure treated fitted to chowkats all as specified and directed

M & L preparation of new wood or wood based surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of pink primer.

S&F Stainless steel wire cloth 0.36 mm nominal dia of wire and average width of aperture 1.40 mm fixed with tinned tacks, orstainless steel wire staples all as specified & directed.

S&F for 3 mm thick sheet glass ordinary quality and glazing with oil putty or fixed with bead / glazing pins in squares size n.exc 0.5 sqm in each pane all as specified and directed.

S&F 250 mm long aluminium alloy, sliding door bolt with hasp & staple (bolt type) and fixing clips of sheet cast or extruded section and fixing bolts and sliding bolts all as specified.

S&F for aluminium anodized barrel tower bolts 150 mm of extruded section and fixed.

S&F 150 mm size aluminium alloy handles, febricated type extruded section, ISI marked all as specified.

E/M Portion Disconnecting the electrification and taking down DBs (any type of SPN DBs) and making good to the disturbed surfaces to match the existing surface all as directed. Note - Temporary power supply shall be provided by contractor.

Taking down U/S submain wiring aluminium etc and making good the disturbed surfaces of walls/ floor etc matching with the existing surface.

M&L for sub main wiring (surface type) complete with 02 run of 06 sqmm single core copper conductor (ISI marked)cable 1100 volts grade, FRLSH type, PVC insulated, unsheathed, flexible, multi stranded colour coded cables drawn through and including rigid PVC conduit of size 25 mm dia medium grade(MMS) with all connected accessories such as Bend, Tee, Elbow, Short peices etc concealed in wall/roofs/floors and including one run of 06 sqmm single core copper conductor cable flexible, PVC insulated, unsheathed, multistranded, 1100 volts grade, FRLSH type as earth continuity conductor connected to common earth dolly and including making good the disturbed surfaces to match with existing surface and colour coat and applying putty and complete all as specified and directed. Note : Two run of 6 sqmm single core copper conductor cable and one run of 6 sqmm single core copper conductor cable as earth continuity and one run of PVC conduit shall be measured as one unit.

Taking down carefully copper/aluminium point wiring (light,fan,bell, socket or power) complete,including fixtures and fittings such as switches, ceiling roses, holders,regulators, sockets, and including making good the disturbed surfaces to match with existing surface and colour shade with putty and white cement for smooth finishing of holes,small patches etc complete all as specified and directed complete all as specified and directed.

M&L for point wiring complete with 1.5 sqmm PVC insulated, FRLSH type, ISI marked,conforming to IS-694/1990 unsheathed, multistranded, single core, copper conductor cable 1100 volts grade colour code cables drawn through and including PVC Conduit 20 mm dia medium grade (MMS) and including cutting, chasing work at any height and all accessories are concealed in walls / roofs / floors / ceiling etc. flush mounting MS box with top,bottom,side/back wall knockout for conduit entry from any direction made out of 1.60mm thick suitable for fixing of modular top cover 3mm thick plate as per numbers of switch modules for modular switches, sockets, fan regulators, red colour indicator, blank plates etc as approved coloures and including 1.5 Sqmm PVC insulated multistranded FRLSH type unsheathed(Green colour),single core cable with copper conductor cable as earth continuity conductor and connecting to common earth dolly one light point controlled by one way switch and including making good the disturbed surfaces to match with existing surface and colour code including providing putty and white cement for smooth finishing of existing surface complete all as specified and directed.

All as per Srl item No 49 here-in-before one ceiling fan/exhaust fan controlled by one way switch.

All as per Srl item No 49 here-in-before one 3 pin socket outlet 5 Amps on the same board.

All as per Srl item No 49 here-in-before one 3 pin socket out let 5 Amps on the independent board.

All as per Srl item No 49 here-in-before but 2.5 Sq mm multi stranded copper conductor with 2.5 Sq mm copper earth continuity wire connected to earth duly complete for one 15A Socket on Independent board.

S&F fan regulator electronic, stepped type(01 to 4/5), 100 to 120 Watts,240Volts,AC,ISI marked complete all as specified and directed.

S&F angle lamp holder, PVC Ploycab type with back plate suitable for batten fittings complete all as specified and directed.

S&F surface & wall mounted LED batten 4 feet with 1x20 watt indoor decorative luminaries with and including electonic driver and 1x20 wall LED lamp, pre-wired including necessary electric connection with copper flexible PVC cable of 0.50 Sqmm 3 core not more than 1 mtr in length from ceiling rose/connector to light fitting, conforming to the following specifications:- (i) System Watts/lumens:- Max 20 W/Total system lumen not less than 2400 Lm, voltage range- 140 to 270 Volts, continiousoperation of 2 hours at 320 Volts. (ii) Housing:- Aluminium Extruded body (iii) IP rating:- Minimum IP 20 (iv) Front cover:- Acrylie/polycarbonate cover (v) Mounting:- Suitable for wall/ ceiling mounting (vi) Finish:- Smooth finish (vii) Lamp:- High bright LED (viii) System Efficacy of Luminaries (lm/Watt):- Not less than 120 lm/watt (ix) Colour temperature:- Not less than 5700 degree K (x) Colour rendering index (CRI):- Not less than 80 (xi) Life:- Not less than 25000 hrs of operation (xii) Opties:- Designed for optimum light distribution (xiii) Control gear:- Inbuilt electronic driver with APFC, PF not less than 0.95 and THD not more than 20% of the standard operating voltage 180-270V Ac, 50 Hz (xiv) Surge protection:- Inbuilt surge protection minimum 2.5 KV (xv) Heat sink:- As per OEM's design Note:- (i) Bidder has to compulsorily submit the LM-79 and LM-80 and NABL accredited lab test report conforming to technical specifications and consolidated lab report for the offered LED has to be structured in the same sequence. Make:- Crompton Greaves/Havells/HPL/Philips/Bajaj

S&F 250 Watt High power LED flood light on long span steel fabricated hangers having (150x54x10) Mtr (LxBxH) made up of pressure die cast aluminium housing with toughened glass and high power LEDs and secondary lenses with IP66 protection. Systerm efficacy > 110LPW. Option for 3000K and including 10 KV SPD complete with all connected accessores for fixing on channels with suitable size of clamps, nut bolts, washers all as specified and as directed. Make: Crompton Greaves Cat No. LFL PI-250-CDL/60-M or equivalent in HAVELLS, HPL, Philips, Bajaj. Note:- Quoted rate deemed to be included for fixing, testing and commissioning of flood light at a height of 10mtr from groound level.

S&F exhaust fans AC single phase 230/240 Volts of size 300 mm sweep double ball bearing 4 balde and 5 star rating heavy duty with louvers complete including cutting/ making holes of suitable size in brick/stone masonary and making good the disturbed surfaces of wall and match with the existing surface complete all as specified and as directed. Make:- Havells/Usha/Crompton Greaves/Bajaj

S&F Socket outlet, flush type 2 in 1, 3 pin, 5 amps, 240 volts all as specified and as directed.

S&F switch piano flush button single pole one way 5 amp 240 volts, all as specified and as directed.

S&F Socket outlet 2 in 1, 3 pin, 5 and 15 amps, flush type, 240 volts all as specified and as directed.

S&F switch piano flush button single pole one way 15 amp 240 volts, all as specified and as directed.

M&L for ceiling rose, surface bakelite, (65 x 50) mm, three terminals all as specified and as directed.

S&F sheet metal enclosures for SPN DB's with double glazed door for incorporating MCBs,IP-43 , 8 way with 200 amps rated busbar, 240 volts, as per IS-8623 all as specified and as directed. Make: Havells/Legrand/L&T/Siemens

supply, fixing and testing MCCB DB 4 way TPN with all standard sccessories, sheet metal enclouser where MCBs to be housed CRCA sheet powder coated complete concealed with wall and making good to the disturbed surface of wall/ceiling and matching with the existing one complete all as specified and directed by Engr-in-charge. Make: Havells/Legrand/L&T/Siemens

S&F MCCB 63 Amps, 35 KA, 3 pole all as specified and directed by Engr-in-Charge. Make- Havells/Legrand/L&T/Siemens

S&F isolator DP 40 Amps, 240 volts, 50 Hz, including necessary incoming and out going electric connection with suitable size of copper lugs all as specified and as directed by Engr-in-Charge. Make- Havells/Legrand/L&T/Siemens

S&F MCB SP, 6 to 32 Amps, 240 volts, 50 Hz, 'C' curve including necessary incoming and out going electric connection with suitable size of copper lugs all as specified and as directed by Engr-in-Charge. Make- Havells/Legrand/L&T/Siemens

M&L for Earthing complete with galvanised steel earth plate electode 600mm x 600mm x 6mm thick buried directly in ground vertically (earth pit not less than 2.25 meters deep below ground level) with top edge of plate not less than 1.5 metres below ground level, connected to and including galvanised iron wire 4 mm dia and light grade protection pipe of 15 mm dia from earth electrode upto test point or upto 7.5 mtr whichever is less by means of GI bolts, nuts, check nuts and washers all as per electrical plate No 3 of SSR Part-1 and GI watering pipe of 20 mm dia medium grade, GI funnel with wire mesh, including charcoal, salt packed all around the earth electrode plate in layers, PCC earth pit chamber (1:3:6) type C1, of size (45 x 45 x 45) cm, RCC cover (1:2:4) type B-1 of size (45 x 45)cm and 50 mm thick including excavation/earth work in any strata and returning filling, removal of surplus soil and testing/test point for required value including removing old item complete all as specified and directed.

M&L for sub main wiring on Parabolic Steel Hangers angle iron structure with two single core 2.50 sqmm FRLSH PVC insulated unsheathed stranded copper conductor cable drawn through including providing MS flat clamp for fixing the PVC conduit including 20mm dia non-metallic PVC conduit heavy grade fixed in wall/MS angle iron at a height not more than 10 meter from ground level including 2.50 sqmm copper earth continuity wire, accessories and connecting to earth dolly complete all as specified and as directed. Note:- Submain wiring includes two run of 2.5 Sqmm and one run of 2.50 Sqmm as earth wire with making arrangement of fixing of 20mm conduit on iron angles of a Parabolic Hanger having maximum height not more than 10mtr from ground level and quoted rate is deemed to be included in unit rate of this item.

M&L for under ground XLPE insulated, screened, PVC bedded galvanized steel strip or wire armored, electric power cable (heavy duty) with aluminium conductor, 1100 volts (earthed) grade cross sectional area 35 sqmm 3.5 core complete all as specified and directed. Notes : (i) Earth work shall be measured and paid separately under relevant item. (ii) Sand cushioning, brick for cable protection, GI pipe, etc shall be measured and paid separately under relevant items.

Excavation in trenches for laying under ground cable, erection of poles and stays in soft/loose soil not exceeding 1.5 meter wide and not exceeding 1.5 meter deep and getting out complete all as specified and directed

Returning, filling in, including spreading leveling, watering and well ramming in layers not exceeding 25cm soil all as specified and directed.

Removing surplus excavated materials to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting points as in soft/loose soil all as specified and directed.

M&L for brick covering with width equal to length of brick as mechanical protection to cable with well burnt sub class ‘B’ bricks of size 250mm x 125mm x 75mm laid dry flat complete all as specified and directed .

Supply and laying sand coarse dry as in cushioning of underground electric cable in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable ) and gently punned down to 18cm thickness complete all as specified and directed. (Note : Punned thickness will be measured for payment.)

M&L providing GI pipe for cable protection light grade with all fittings of 50 mm bore laid in trenches or in wall complete all as specified and directed.

Boaring holes horizontally under road without damaging the surface of road (minimum 1.0 Mtr below the road surface) with the help of GI tubing of dia not exc 100mm for passing of UG cable all as specified and as directed.

NARSINGH DEVELOPERS LLP

MS SHRI B.C. DAS

NANDYENTERPRISES

SENCO

MERCANTILE AGENCY

Kanta International