SPECIAL REPAIR TO INTERNAL WIRING TO CERTAIN OTM ACCN (PHASE-II) AT AF STN BARACKPUR

Amount

Material and labour for brick work with sub class `B` bricks, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) including demolition of brick work or stone boulder masonry, build in cement mortar including all quoins, arches, pillars etc. and removing rubish from site complete all as specified and directed.

Taking down cement plaster of any description built in cement mortar on brick or stone walls etc including racking out joints, hacking for key, scrubbing down with water etc. and removal of rubbish from the site complete all as specified and directed.

Material and labour for 10mm thick rendering on fair faces of brick work or concrete surfaces in cement mortar (1:6) and finish the surfaces fair and even as in wall complete all as specified and directed.

Material and labour for 15mm thick rendering in cement mortar (1:4) on fair faces of brick work or concrete surfaces with using water proofing coumpound (WPC) @ 200 ml/ bag (50 Kg) of cement or as per manufacturers instruction and finish the surfaces fair and even as in wall complete all as specified and directed. Note : WPC will be measured and paid separately under respective item.

Supply only liquid water proofing compound (WPC) complete all as specified and directed.

Material and labour for preparation of new plastered surfaces of walls and applying two coats of acrylic washable distemper over a coat of alkali resistance primer complete all as specified and directed.

Material and labour for complete removal of existing treatment on walls and applying two coats of acrylic washable distemper over a coat of alkali resistance primer including preperation of surface complete all as specified and directed.

Materials and labour for for preperation of surfaces of walls including rubbing etc to achieve smooth surface and applying 2mm thick wall care putty complete all as specified and directed.

Material and labour for preparation of new plastered surfaces of walls and applying two coats of 100% premium acrylic emulsion paint (camouflage patteren) having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/ 10 sqm complete all as specified and directed.

Material and labour for complete removal of existing treatement on old decorated surfaces of walls and applying two coats of 100% premium acrylic emulsion paint (camouflage pattern) having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming one coat of exterior primer applied @ 0.90 litre/ 10 sqm including preperation of surface complete all as specified and directed.

Material and labour for complete removal of existing treatement on old decorated surfaces of walls and applying two coats of 100% premium acrylic emulsion paint having VOC less than 50 gm/litre and UV resistance as per IS 15489:2004, alkali & fungal resistance, dirt resistance exterior paint of required shade (Company Depot Tinted) with silicon additives @ 1.43 litre/ 10 sqm over and including priming one coat of exterior primer applied @ 0.90 litre/ 10 sqm including preperation of surface complete all as specified and directed.

Dismanting of plain or corrugated steel sheeting, any gauge, thickness, including Nainital or similar pattern roof coverings complete all as specified and directed.

Supply and fix pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall fixed with self tapping screws complete all as specified and directed.

Supply and fix pre-painted galvalume aluminum zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed.

Refixing, securing, erecting only with self tapping screws including minor mason work and filling of holes etc with concrete and making good of existing 0.50mm thick pre-painted galvalume aluminium zinc coating GI based plain/corrugated steel sheet as in roof covering/cladding to wall or in any position complete all as specified and directed. Note:- Serviceable sheet obtained from item No 12.00 shall be reused under this item.

Material and labour for closing bolt / screws holes etc. in old corrugated steel sheets or aluminium sheeting by sealing with one bitumen and one curved GI washer on either side and 6mm G.I. bolts and nuts, all set in stiff white lead, bolt n exc 25mm in length complete all as specified and directed.

Material and labour for providing, cement concrete (1:2:4) type B-1 (using 20 mm graded stone aggregate) in roof kerbs or mud stops, rounded or chamfered on edges of walls/columns incuding demolition of cement concrete (un-reinforced) of any description and in any position including removing rubish from site of work complete all as specified and directed.

Dismantling of wall and ceiling boards (fibre, pulp, insulation, etc) or insulation boards / slabs / blankets any thickness, including cover fillet / snap grid complete all as specified and directed.

Supply and fix false ceiling with powder coated exposed GI grid suspension system (E-grid T-2430 or equivalent load carrying capacity- 12.50 Kg/sqm with mid span deflection n. exc. 1/360 span with hanger spacing of 1200mm c/c) consisting of main runner 3600mm long of size- 24x38mm x 0.25mm thick, cross tee of section size- 24x27mm x 0.25mm thick 1200mm/600mm long and wall angle of section size 22x22mm x 0.4mm thick. The wall angle shall be fixed on PVC dash fasteners on the perimeter of the wall by steel screws with distance 300mm c/c. The main runners to be placed @ 1200mm, The cross tee 1200mm will be inserted in pre-cut slots of main runner at a regular interval of 600mm to form a modular grid of 1200mmx600mm. Additional cross tee of 600mm shall be placed perpendicular to the cross tee1200mm long to finally form a grid of 600mm x 600mm shall be supported by 4mm dia G.I. wire from perlins/soffits. 6mm thick high pressure steam cured non Asbestos fibre cement designer ceiling board (density> 1200kg/cum, modules of rupture (M.O.R)-15.85 Mpa, thermal conductivity (k)-0.0872 W/mk) of size 595mm x 595mm, confirming to IS 14862 & type B catagory III of ISO 8336-1993, (Reaction of fire-A2 -s1-d0) tested as per EN 13501 Part-I & BS-476 part-4, 5, 6 & 7, should be placed in the grid module to form a false ceiling complete all as specified and directed. Make: Armstrong/ Saint Gobain/ Lafarge/ Everest.

Material and labour for preparation of old painted wooden surfaces over 10 cm girth and applying one coat of synthetic enamel paint complete all as specified and directed.

Material and labour for preparation of old painted steel surfaces of any description over 10 cm width or girth and applying one coat of synthetic enamel paint complete all as specified and directed.

Repair / adjusting aluminium door for holding in position to shutters in frame including replacing of old damaged adjusting bolts,cleats, rubber gas- kits, screws and aluminium sections less than 1kg for each shutters and making proper functionable to aluminium doors shutter exc 1.00 Sqm but not exc 2.00 Sqm complete all as specified and directed

Supply and fix 4 mm thick sheet glass ordinary quality and glazing with oil putty / wooden bead/ aluminium bead / rubber bead in square n. exc 0.5 Sqm in each pane including hacking out old broken glass complete all as specified and directed.

Supply and fix 4 mm thick sheet glass ordinary quality and glazing with oil putty / wooden bead/ aluminium bead / rubber bead in square exc 0.5 Sqm in each pane including hacking out old broken glass complete all as specified and directed.

Supply and fix in repair stainless steel wire cloth 0.36mm nominal dia of wire and average width of aperture 1.40mm and fixed with stainless steel wire staples complete all as specified and directed.

Taking down copper/aluminium point wiring (light, fan, socket or power) complete, including fixture and fittings such as switches, ceiling roses, pendants, regulators, sockets, light fitting etc. removing materials to store for keeping in safe custody or for taking credit (credit for above items should be made as per conditions separately) and making good disturbed surfaces of walls, floors, etc. complete all as specified and directed.

Taking down fan, sealing cable end, dismantling blades and removing fan and blades to store for keeping in safe custody for reuse complete all as specified and directed.

Material and labour for light/fan point wiring (concealed type) with single core PVC insulated unsheathed multistranded FRLSH copper conductor cable of 1100 volts grade size 1.5 sqmm (nominal area) in and including 20mm dia heavy duty rigid non metalic PVC conduit with accessories including modular flush metal boxes with inner and outer modular cover plates for housing switches, sockets and regulators with all fittings and fixing materials with one single core PVC insulated unsheathed 1.5 sqmm (nominal area) multistranded FRLSH copper conductor as earth continuity wire and connected to earth dolly complete all as specified and directed. Note: (a) Red coloured cable shall be used for live connection, black coloured cable shall be used for neutral connection and green coloured cable shall be used for earthing. Separate cable for earthing and neutral to be used for Each individual circuit from the distribution board. (b) Quoted rate shall be included for cuttings /chasing the wall and making good disturbed surfaces to fix PVC conduit and flush metal box. (c) Inner and outer modular cover plate with frame shall be measured and paid seperately under respective items.

All as per item No. 28.00 here-in-before but for bell/buzzer point controlled by one push button on independent board and -ditto-.

All as per item No. 28.00 here-in-before but for one five pins 5 Amps switch socket outlet point on independent board and -ditto-.

All as per item No. 28.00 here-in-before but for one five pins 5 Amps socket outlet point on same board and -ditto-.

All as per item No. 28.00 here-in-before but for 15 amps socket outlet on independent board with 2.5 sqmm PVC insulated (FR-LSH) unsheathed copper cable multistranded conductor 1100 volts grade including 2.5 sqmm PVC insulated (FR-LSH) unsheathed copper cable multistranded conductor 1100 volts grade as earth continuity conductor and connecting to common earth dolly and -ditto-.

Supply and fix modular switch 1 way 6 amps, 1 module complete all as specified and directed

Supply and fix modular switch 1 way 16 amps, 1 module complete all as specified and directed.

Supply and fix modular bell push 6 amps, 1 module complete all as specified and directed.

Supply and fix modular shuttered sockets 6 amps, 3/5 pin combined two module complete all as specified and directed.

Supply and fix modular shuttered sockets 6/16 amps, 3/5 pin combined two module complete all as specified and directed.

Supply and fix modular fan regulator step type 120W, 2 module complete all as specified and directed.

Supply and fix modular white cover plate with frame of 1/2 module complete all as specified and directed.

Supply and fix modular white cover plate with frame of 3 module complete all as specified and directed.

Supply and fix modular white cover plate with frame of 8 module complete all as specified and directed.

Supply and fix modular white cover plate with frame of 6 module complete all as specified and directed.

Supply and fix in repair LED tube light fitting 1 x 20W (+/- 5%), 220V, AC with extruded strip in thermally conductive material & extruded housing in optically efficient material milky white with system lumen efficacy > 120 lumen per watt minimum system 2300 - 2400 and chip, Integrated electronic driver, SMD based LED constant current supply with double sided connection to avoid short circuit and surge protection greater than 2.5 KV, IP 20 protection and CRI>80, Power factor > 0.95, THD less than 15%, correlated Colour temperature (CCT) of 6500K, Operating Voltage of 140 V to 270 V, frequency of 50Hz burning hours 50000 hours with comprises of CRCA pre coated metal housing complete all as specified and directed

Supply and fix in repair LED tube light fitting 1 x 10W (+/- 5%), 220V, AC with extruded strip in thermally conductive material & extruded housing in optically efficient material milky white with system lumen efficacy > 120 lumen per watt minimum system 2300 - 2400 and chip, Integrated electronic driver, SMD based LED constant current supply with double sided connection to avoid short circuit and surge protection greater than 2.5 KV, IP 20 protection and CRI>80, Power factor > 0.95, THD less than 15%, correlated Colour temperature (CCT) of 6500K, Operating Voltage of 140 V to 270 V, frequency of 50Hz burning hours 50000 hours with comprises of CRCA pre coated metal housing complete all as specified and directed

Supply and fix in repair 36 W LED recessed ceiling light with glare free uniform illumination, white powder coated CRCA housing, with transulcent frosted diffuser and driver inbuilt 4KV surge protection, efficacy > 100 lm/W, CRI ≥80, 5700K suitable for 600 x 600 mm (2 feet x 2 feet) grid ceiling complete with all accessories including internally prewired connecting upto flexible copper conductor cable of suitable size complete all as specified and directed.

Supply and fix 25 Amp modular type starter 2 module including 16 Amp socket, blanking plate, flush to wall with flush box of 4 module for AC and geyser points complete all as specified and directed. Make- LEGRAND /HAGER /SIEMENS /ABB /L&T / SCHNEIDER / GE

Supply and fix in repair LED street light fittings of 35W made of pressure die cast aluminium housing with toughened glass cover, IP66 protection, high power LEDs with secondary lenses and system efficacy should be minimum 110 Lumen per watt. Driver should be BIS approved silicon filled potted driver with inbuilt 4KV surge protection and external 10KV surge protection inside luminaire housing for trouble free service life. THD shall be <10%, Power Factor >0.95, CCT 5700K and brand name should be embossed/engraved on the LED fitting for traceability till life complete all as specified and directed

Supply and fix in repair 200W LED Flood Light made of pressure die cast aluminium housing with integrated polycarbonate IP Lens cover, IP66 protection and system efficacy should be greater than 120 Lumen per watt. Driver should be BIS approved silicon filled potted driver with inbuilt 4KV surge protection device and 10 KV surge protection device in luminare. THD shall be <10%, Power Factor >0.95, CCT 5700K and brand name should be embossed/engraved on the LED fitting for traceability till life complete all as specified and directed.

Supply and fix in repair 200W LED High Bay Light fittings made of pressure die cast aluminium housing with integrated polycarbonate IP Lens cover, IP66 protection, cradle & eye bolt both arrangements should be provided for mounting with additional safety chain and system efficacy should be greater than 120 Lumen per watt. Driver should be BIS approved silicon filled potted driver with inbuilt 4KV surge protection device and 10 KV surge protection device in luminare. THD shall be <10%, Power Factor >0.95, CCT 5700K and brand name should be embossed / engraved on the LED fitting for traceability till life complete all as specified and directed.

Supply and fix wall mounted fan of size 450mm sweep, metal body, AC single phase, 230 volt with blades and frames cmplete all as specified and directed.

Supply and fix 300mm sweep steel body exhaust fan AC single phase 230/240 volt. 1400 RPM, heavy duty, ISI marked, along with metal blade powder coated metalic finish with GI sheet louvers, low noise including necessary electric connection with and including cutting/making opening having dia of the hole for 300mm sweep exhaust fan in any type of walls of any description with nut, bolt, washer and making good distrubed surfaces complete all as specified and directed.

Supply and fix in repair sheet metal enclouser VTPN DB 4 ways double door having facility to fix MCCB in incomer and MCBs in outgoing, IP-43 type complete fitted with bus bars, neutral links, blanking plates complete all as specified and directed.

Supply and fix in repair sheet metal enclouser TPN DB 4 ways double door having facility to fix MCB in incomer and MCBs in outgoing, IP-43 type complete fitted with bus bars, neutral links, blanking plates complete all as specified and directed.

Supply and fix in repair sheet metal enclosure SPN DB 8 ways double door having facility to fix MCB in incomer and MCBs in outgoing, metal door IP-43 type complete fitted with bus bars, neutral links, blanking plates complete all as specified and directed.

Supply and fix in repair MCCB 160 Amps current capacity, 415V, 16 KA, 4 Pole, with adjustable thermal and magnetic release type complete all as specified and directed.

Supply and fix in repair MCB TPN, 240 Volts, 63 amps, "C" series, breaking capacity 10 KA complete all as specified and directed.

Supply and fix in repair MCB SPN, 240 Volts, 40 amps, "C" series, breaking capacity 10 KA complete all as specified and directed.

Supply and fix in repair MCB SP, 240 Volts, of 6 to 32 amps current rating, 10 KA breaking capacity "C" series complete all as specified and directed.

Hanging only ceiling fan and connecting up including provision of cable from ceiling rose or connector to fan complete all as specified and directed. Note:- Item obtained from item No 27.00 shall be reused under this items.

Supply and fix in repair ceiling fans complete with blades, down rods, and accessories, 230 V, 1200 mm sweep. minimum air delivery 210 CFM with service value 6.00 BEE. 5 star rated with brushless direct current motor (BLDC) complete all as specified and directed. Note: - Old unserviceable ceiling fan shall be deposited to E/M store.

Fixing only LED tube light fitting of any watt with bracket with necessary electrical connection 1.5 sqmm 2 core copper condutor wire complete all as specified and directed Note:- Item obtained from item No 26.00 shall be reused under this items.

Supply installation testing and commissioning of Electric storage water heater (rust and shock proof body) with attractive looks and corrision resistance inner tank having capacity 25 litre, 5 star rated with multi function safety valve , heating element, indicating lamps etc all as per following specifications :- (a) Power / Input : 8.7 Amp, 230 V, 50 Hz (b) Rated Power input in KW : 2 KW (c) Maximum rated Pressure : 8 Bar (0.8 Mpa) (d) Storage Capacity : 25 litre (e) Installation type : Wall mounted Vertical (f) Mean Hot Water Outlet - 75 degree celcius (g) Mixing factor - 30 % maximum (h) Water Proof degree - IP x 4 (j) Class of appliance - Class I (k) Heating element : Incoloy glass coated heating element, superior heating performance with excellent resistance to both oxidation and carbonization at high temperature setting . Resists corrosion against extreme and hard water conditions with minimum energy loss. (l) Inner container : It shall be Feroglass coating, made of ultra thick super cold rolled steel plates with superior corrosion resistance and ' anti-rust property'. (m) Anode rod - The tank has an anode rod with a stainless steel core. (n) Insulation : CFC free thicker PUF insulation. (o) Star Rating : 5 Star from BEE including taking down existing water heater complete all as specified and directed. Note: - Old unserviceable water heater shall be deposited to E/M store.

Material and labour for concealed sub-main wiring comprising single core , 2 runs of 4 sqmm nominal cross sectional area, FRLSH multistranded copper conductor cable, PVC insulated unsheathed 1100 volts grade drawing in and including appropriate dia of heavy duty non metalic PVC conduit and its fittings complete including provision of 1 run of 4 sqmm nominal cross sectional area, single core FRLSH multistranded copper conductor cable, PVC insulated unsheathed 1100 Volts grade as earth wire including taking down existing sub main wiring complete all as specified and directed. Note :- (i) Extra length of cables/ wire required for connection to MCBs/DB's shall be included in quoted rate. (ii) Cuttings /chasing of wall etc and making good the disturbed surface shall be included in the quoted rates.

Material and labour for flame proof light / fan point wiring (concealed type) with single core PVC insulated unsheathed multistranded FRLSH copper conductor cable of 1100 volts grade size 1.5 sqmm (nominal area) in and including 20mm dia heavy duty rigid steel conduit with accessories including 1.2mm thick pressed steel terminal boxes in recess to existing wall surface with 3mm thick bakelite sheet top cover (ISI marked) fixed with chromium plated brass screws and cap washers suitable for housing switches, sockets and regulators with all fittings and fixing materials with one single core PVC insulated unsheathed multistranded FRLSH 1.5 sqmm (nominal area) copper conductor as earth continuity wire and connected to earth dolly complete all as specified and directed. Note: (a) Red coloured cable shall be used for live connection, black coloured cable shall be used for neutral connection and green coloured cable shall be used for earthing. Separate cable for earthing and neutral to be used for Each individual circuit from the distribution board. (b) Quoted rate shall be included for cuttings /chasing the wall and making good disturbed surfaces to fix steel conduit and MS terminal box.

Supply and fix in repair flame proof / weather proof LED 1 x 20W 4 feet 230 V tube light fitting with lumen output not less than 4000 Lumens, body made out of cast aluminium alloy LM6 construction certified by CIMFR, BIS & PESO including suitable electronic including necessary fixing arrangements and connecting up complete all as specified and directed. Make: Sudhir /Bajaj/ Shyam/ Crompton Greaves.

Supply and fix flameproof switch LM6 body, rotary switch, SP, 16 Amps , IP66 protection die cast aluminium alloy for ON/OFF light / fan point to operate on single phase 230 Volts, AC with termination box certified by CIMFR and PESO certified IS-2145 complete all as specified and directed. Make : Sudhir /Bajaj/ Shyam/ Crompton Greaves.

Material and labour for earthing complete with GI earth plate electrode of size 600x600x6 mm thick buried directly in ground with earth pit not less than 2.25 meter deep below ground level with top edge of plate not less than 1.5 meter below normal ground level connected to GI wire 4 mm dia earth lead by means of nuts, bolts, check nuts, washers of galvanized iron as steel, protected by 15mm dia GI pipe (medium grade) including cement concrete (1:3:6) type C-1 earth pit with precast RCC (1:1.5:3) type A-1 cover slab of size 42 x 42 x 6 cm thick reinforced with 8mm dia TMT bars @ 15 cm c/c both ways with 10mm dia mild steel round bar of 30 cm long, bent to shape as lifting handle, funnel, wire mesh, 20 mm bore galvanized iron pipe (medium grade) for watering, earth testing point, charcoal or coke and salt in alternate layers with necessary earth work in soft/loose soil complete all as shown in electrical plate No 3 of SSR Part I including testing on completion complete as specified and directed. Note:- GI wire upto 7.5m including testing shall be included in qouted rates.

Material and labour for earth continuity conductor or main earthing lead with 4mm dia GI wire, fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or DB's / Indoor type LT PBs or any other indicated situation for loop earthing etc complete all as specified and directed

VISHAL ENTERPRISE (BID ID -3486941)

Das and Brothers (BID ID -3486288)

ZENITH CONSTRUCTION (BID ID -3486594)

BISWAS CONSTRUCTION (BID ID -3486102)

NC BOSE AND CO (BID ID -3486390)

KUMAR ENTERPRISE (BID ID -3487097)

BHAUMIK CONSTRUCTION (BID ID -3487021)