REPAIR AND MAINT OF GEYSER ALONGWITH ALLIED WORKS OUTSIDE FORT WILLIAM UNDER GE (FW) KOLKATA

Amount

Taking down geysers any type and capacity (25/50 ltrs) from the existing position in wall and removing to stores for repairs, cleaning and re-fixing the same in original/ other position after repairing including electric and water connection, testing etc complete all as directed ( Note : Repairs of item shall be measured and paid separately under relevant item).

Supply and fixing in repair heating element tubular steel type element 1500/2000W (ISI Marked) suitable for 25ltrs capacity as per sample after removing the existing defective element complete all as directed .

Supply and fixing in repair heating element triangle type 1500/2000W (ISI Marked) suitable for 25ltrs capacity as per sample after removing the existing defective element complete all as directed .

Supply and fixing in repair thermostat switch ISI marked for geysers of 25-50 ltrs capcity of micro gap steam type thermostat SEA and make as per sample approved by Engineer-in-charge, including testing complete all as specified and directed.

Supply and fixing in repair thermostat switch ISI marked for geysers of 25-50 ltrs capcity of micro gap steam type thermostat TSE and make as per sample approved by Engineer-in-charge, including testing complete all as specified and directed.

Supply and fixing in repair thermal cut switch ISI marked for geysers of 25-50 ltrs capacity, make as per sample approved by Engineer-in-charge, including testing complete all as specified and directed.

Supply and fixing in repair brass aperture plate complete with plunger pipe, bolts, nuts, and rubber ring complete and all connected components for 25 ltrs capacity geysers including testing complete all as per sample directed.

Supply and fixing in repair split plate of 22 SWG MS sheet white stove enamelled suitable for bottom cover of 25 ltrs capacity geysers testing complete all as per sample specified and directed by Engineer-in-Charge.

Supply and fixing in repair high density polythene pipe heavy duty confirming to IS 3075, 15mm dia, 450 mm long, including brass coupling at each end (weighting not less than 40gms each) one end secured to inlet of geysers and other end to stop cock all complete with connection complete all as directed by Engineer-in-Charge.

Supply and fixing in repair high density polythene pipe heavy duty confirming to IS 3075, 15mm dia, 600 mm long, including brass coupling at each end (weighting not less than 40gms each) one end secured to inlet of geysers and other end to stop cock all complete with connection complete all as directed by Engineer-in-Charge.

Supply and fix in repair 20Amp Metal clad socket 3 pin (2P+E), complete all as directed Make : L&T cat No MPS220S or equivalent model of make specified in tender.

Supply and fixing of rubber/PVC gasket to ensure water tightness of 25/50 Ltr geyser suitable as per sample complete all as specified and directed..

Supply & Fixing in repairs Air release valve/dead weight Valve ISI mark suitable for 25 Ltr capacity geyser specified and as directed by Engr-In-Charge.

Supply & Fixing in repairs Non return Valve brass of 15 mm bore after dismantling old unserviceable NRV of any size all as specified and as directed by Engr-In-Charge.

Supply and fixing glass wool (spl quality) at thermal insulation after removing the old glass wool in between the inner container and outer casing complete all as directed by Engineer-in-Charge.

Supply and fixing pilot lamps round noon indicator for suitable for 25 ltrs capacity geyser fitted on the unit including necessary electric connection, testing complete including taking out old defective indicator complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing for replacement of SS Flexible connecting pipe of size 15mm dia, 600mm long with brass coupling and union at both ends heavy duty suitable for fix on 15mm dia GI pipe with washer complete and all as directed at site after taking out unserviceable one complete all as directed by Engineer-in-Charge.

Scraping, cleaning/removing deposited scales, connecting cavities as required for copper vessel outside surface, MS outer shell with top and bottom cover both surface shall be painted with two coat of synthetic enamel paint on outer surface of shell, top and bottom cover shall be painted with two coats of synthetic enamelled paint over a coat of red oxide zinc chrome primer and one coat of of red oxide to copper vessel outer surfaces and inner surface of outer shall geyser of any size 25/50 ltrs capacity and numbering/marking with different paint complete all as directed by Engineer-in-Charge.

Repairing leak portion of inner tank of geyser of any type/capacity by mean of spot welding with slider/brass spot braising and testing complete (Nos of spot welding not exceeding 5) complete all as directed by Engineer-in-Charge.

Supply and fixing bolts and nuts and washer 15mm dia 75mm to 100mm long with cement concrete (1:2:4) type B1 (using 20mm graded crushed stone aggregate) including taking out old fixing bolt(set of four) from walls complete all as specified and as directed .

S&F Mild steel clamp of flat iron of size (25X6mm ) made to shape 100mm long welded with outer casing of geyser to walls with bolts and nuts complete all as directed.

S&F in repair copper inner tank for hard and soft water pressure upto 100PSI (7.00Kg/Cm2) and normal working pressure is 30 PSI(2.11Kg/Cm2) for 25ltrs (Make : Bajaj/Venus or equivalent as approved by Accepting officer ) after removing the existing defective tank complete all as directed by Engineer-in-Charge.

Supply and fixing in repair stainless steel inner tank for hard and soft water pressure upto 100PSI (7.00Kg/Cm2) and normal working pressure is 30 PSI(2.11Kg/Cm2) for 25ltrs (Make : Bajaj/Venus or equivalent as approved by Accepting officer ) after removing the existing defective tank complete all as directed by Engineer-in-Charge.

Supply and fixing in repair mild steel outer cover 22 SWG for 25 ltrs capacity any dia of geyser including bottom and top cover with MS clamp, outer ring and split pin including two coats of paint over one coat of red oxide primer including dismantling the unserviceable cover as per direction by the Engineer-in-Charge.

S&F in repair metal clad single pole and neutral enclosure with two pin and earth plug and socket complete with one single pole MCB 20 Amp,240 Volt, complete all as directed by Engineer-in-Charge

S&F insulated workshop type 3 core flexible wire of size 24/0.20 complete including taking down old flexible unserviceable wire complete all as directed by Engineer-in-Charge

Supply & fixing in repairs stop valves of 15mm size, cast copper alloy, screwed down, high pressure with crunch or butterfly handle, screwed both ends for iron pipe or for unions and fixed complete as directed by Engr-In-Charge. Make Jaquar

S&F in repair Switch and socket combination 6 pin 15 Amp AC 230 Volts piano flush button type (multipurpose) complete all as specified and directed

S & F Chromium plated brass angular stop cock concealed with wall flange fixed to 15/20 mm bore of iron pipe as in repair etc complete all as specified and as directed. Make Jaquar

S&F in repair plug Top 3 pin 15/16 Amp AC 230 Volts complete all as specified and directed

Taking down carefully old unsv copper/aluminium point wiring (light, fan, socket or power) complete, including fixture and fittings such as switches, ceiling roses, pendants, regulators, sockets, sunken type box etc. and removing materials to store for keeping in safe custody for reuse at site or for taking credit and making good to disturbed surfaces of walls, floors etc with its original specification complete all as specified and directed by Engr-in-Charge.

Material and labour for point wiring for the followings with 1.5 Sqmm single core, PVC FRLSH insulated unsheathed, multistranded copper conductor drawn through and including PVC casing and capping/ Conduit including necessary accessories like bends, tees, PVC square and elbow etc fixed on wall/ceiling with 1.5 Sqmm PVC FRLSH insulated unsheathed multi stranded copper conductor cable as earth continuity (green in colour) connected to common earth dolly including sunken type pressed steel terminal boxes of suitable sizes with plastic laminated white/coloured top sheet cover 3 mm thick including making good all disturbed surfaces to match the existing complete all as specified and directed as below :-

(a) One light/fan point controlled by one, one way switch.

(b) One bell point controlled by one push button switch.

(c) One 3 Pin 5 Amps socket out let point on independent board.

(d) One 3 Pin 5 Amps socket out let point on same board along with other suitable switches.

All as per item No 32 above here-in-before but using 4.00 sqmm PVC FRLSH insulated copper conductor wire for connecting 15A socket on independent board complete all as specified and directed.

Supply and fixing of switch piano flush type 240 Volts 5 Amps, SP, one way complete all as specified and directed.

Supply and fixing of bell push piano flush type one way 240 Volts 5 Amps all as specified/directed.

Supply and fixing of switch socket outlet combination 3 Pin,5 Amps, 240 volts flush type (non shuttered) complete all as specified and directed.

Supply & fixing of socket outlet 2 in 1,3 pin 5 Amps 240 Volts flush type (non shuttered) complete all as specified / directed.

Supply and fixing of switch socket out let combination multipurpose 3 pin, 15/16 Amps and (with 3 pin 5 Amps outlet also) flush type (non shuttered) complete all as specified/directed.

Supply and fixing of bell electric, 240 Volts, single pole complete all as specified and directed.

Supply & fixing of ceiling fan regulator electronic, Deluxe, rotary, step type, 120/280 volts as specified/directed.

Supply and fixing of Bulb holder angular PVC/Polycarbonate suitable for batten fittings complete all as specified and directed.

S&F of ceiling rose surface PVC/Polycarbonate, 65x50 mm two to three terminals complete all as specified and directed.

Supply and fixing LED lights fitting 1x 20 W, 220V, AC decorative box with aluminum housing type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed.

Supply and fixing LED lights fitting 1x 10 W, 220V, AC decorative box with aluminum housing type with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose complete all as specified and directed.

Supply and fix in repair Energy efficient light fitting (LED ) Sleek type of capacity 36 W fitting 4FT with extruded Aluminium Hosuing Lamps, driver, connector etc incl hanging/Fixing arrangement with PVC insulated three core flexible copper conductor of suitable size from ceiling rose to fitting through suitable size flexible PVC pipe making good to wall for old fitting including taking down old fitting of complete all as specified and directed. Make Philips Model No 581951 36 W ( Philips Ultron edge 4 ft LED wall Light or equivalent make specified in tender

Supply and fix in repair LED luminaire 600 mm x 600 mm, 35/36 watt, 220 V AC recessed type with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling including connecting up with driver three core flexible copper conductor cases of suitable size complete all as specified and directed. Make Havells cat No VENUSNEOHE2x2R36W LED 857PIR SENSOR or equivalent make specified in tender

S & Fix in replacement Slim, compact, aluminum die cast edge lit panel. Recess mounted square fixture 12 W, 6500 K with opal diffuser and separate electronic driver with Ceiling cutout 170x170 mm, height 23±1 mm all as specified and directed. Make: CG Cat No LSDEP-12-CDL or equivalent make specified in tender

S&F in replacement Slim, compact, aluminum die cast edge lit panel. Recess mounted round fixture 15 W, 6500 K with opal diffuser and separate electronic driver with Ceiling cutout ø 155mm, height 23±1 mm all as specified and directed. Make: CG Cat No LCDEP-15-CDL or equivalent make specified in tender

S & Fix in replacement Slim, compact, aluminum die cast edge lit panel. surface mounted square fixture 12 W, 6500 K with opal diffuser and separate electronic driver with Ceiling cutout 170x170 mm, height 23±1 mm all as specified and directed.

S&F in replacement Slim, compact, aluminum die cast edge lit panel. surface mounted round fixture 15 W, 6500 K with opal diffuser and separate electronic driver with Ceiling cutout ø 155mm, height 23±1 mm all as specified and directed.

Supply and fixing in repair of modular type,1 module 6 Amps one way switch 240 Volt AC including taking down old unsv complete all as specified and directed. Make: Honeywell MK cat part No W26401A.or equivalent make specified in tender

Supply & fixing in repair of modular type,1 module 16 Amps one way switch 240 Volt AC including taking down old unsv complete all as specified and directed. Make: Honeywell MK cat part No W26411A or equivalent make specified in tender.

Supply & fixing in repair of modular type, 2 module, 3 pin 6 Amps shuttered socket 240 Volt AC including taking down old unsv complete all as specified / directed. Make: Honeywell MK cat part No W26423 or equivalent make specified in tender

Supply & fixing in repair of modular type, 2 module, 6/16 Amps combined socket 240 Volt AC including taking down old unsv complete all as specified / directed. Make: Honeywell MK cat part No W26424 or equivalent make specified in tender

Supply & fixing in repair of modular type, 2 module, 100 W 4 step fan regulator 240 Volt AC including taking down old unsv complete all as specified and directed. Make: Honeywell MK cat part No W26472or equivalent make specified in tender.

Supply and fixing in repair of modular metal flush box 3 module suitable for fixing switches and sockets incl taking down old unsv and making smooth finish to disturbed surface complete all as specified and directed .

Supply and fixing in repair of modular metal flush box 6 module suitable for fixing switches and sockets incl taking down old unsv and making smooth finish to disturbed surface complete all as specified and directed .

Supply and fixing in repair of modular metal flush box 8 module suitable for fixing switches and sockets incl taking down old unsv and making smooth finish to disturbed surface complete all as specified and directed .

Supply and fixing in repair of modular front plate with cover 3 module suitable for fixing switches and sockets incl taking down old unsv and making smooth finish to disturbed surface complete all as specified and directed .

Supply and fixing in repair of modular front plate with cover 6 module suitable for fixing switches and sockets incl taking down old unsv and making smooth finish to disturbed surface complete all as specified and directed .

Supply and fixing in repair of modular front plate with cover 8 module suitable for fixing switches and sockets incl taking down old unsv and making smooth finish to disturbed surface complete all as specified and directed .

Supply and fixing in repair of switch piano flush type 240 Volts 5 Amps, SP, one way, fix in repair including taking down old unsv complete all as specified and directed.

Supply and fixing in repair of bell push piano flush type one way 240 Volts 5 Amps,fix in repair including taking down old unsv complete all as specified and directed.

Supply and fixing in repair of switch socket outlet combination 3 Pin,5 Amps, 240 volts flush type (non shuttered) ,fix in repair including taking down old unsv complete all as specified and directed.

Supply & fixing in repair of socket outlet 2 in 1,3 pin 5 Amps 240 Volts flush type (non shuttered),fix in repair including taking down old unsv complete all as specified and directed.

Supply and fixing in repair of switch socket out let combination multipurpose 3 pin, 15/16 Amps and (with 3 pin 5 Amps outlet also) flush type (non shuttered), fix in repair including taking down old unsv complete all as specified and directed.

Supply & fixing in repair of stepped type electronic fan regulator flush type on the existing phenolic laminated sheet including taking down old unsv complete all as specified and directed.

Supply and fixing in repair of bell electric, 240 Volts, single pole, fix in repair including taking down old unsv complete all as specified and directed.

Supply and fixing in repair of bulb holder angular PVC/Polycarbonate suitable for batten fittings, fix in repair including taking down old unsv complete all as specified and directed.

Material & labour for Sub main wiring with two runs of single core 4 Sqmm (Nominal Area) FRLSH PVC insulated and unsheathed multi stranded copper conductor cable LT 1100 volts grade drawn through and including PVC casing capping of adequate size fixed on surface of wall/ceiling with all necessary fittings and accessories and 1 run of FRLSH PVC insulated and unsheathed insulated single core cable with multi slandered copper conductor of size 4 Sqmm as earth wire (green in colour) run through casing capping and connected common earth dolly including taking out the old sub main wiring for connection to DBs/dolly shall be deemed to be included in this item and shall be measured as one run complete all as specified and directed.

Material & labour for Sub main wiring with two runs of single core 6 Sqmm (Nominal Area) FRLSH PVC insulated and unsheathed multi stranded copper conductor cable LT 1100 volts grade drawn through and including PVC casing capping of adequate size fixed on surface of wall/ceiling with all necessary fittings and accessories and 1 run of FRLSH PVC insulated and unsheathed insulated single core cable with multi slandered copper conductor of size 6 Sqmm as earth wire (green in colour) run through casing capping and connected common earth dolly including taking out the old sub main wiring for connection to DBs/dolly shall be deemed to be included in this item and shall be measured as one run complete all as specified and directed.

Material & labour for Sub main wiring with two runs of single core 10 Sqmm (Nominal Area) FRLSH PVC insulated and unsheathed multi stranded copper conductor cable LT 1100 volts grade drawn IN EXISTING CONDUIT and 1 run of FRLSH PVC insulated and unsheathed insulated single core cable with multi slandered copper conductor of size 10 Sqmm as earth wire (green in colour) run through casing capping and connected common earth dolly including taking out the old sub main wiring for connection to DBs/dolly shall be deemed to be included in this item and shall be measured as one run complete all as specified and directed.

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs ________ mentioned on Page No ____ shall be deducted from the total quoted amount of BOQ.

GHOSH ENTERPRISE (BID ID -3208608)

BHASKAR SUPPLY AGENCY (BID ID -3208958)

DUTTA & DUTTA (BID ID -3210159)

UNITED ENGINEERS (BID ID -3211167)

M/S S. K. SARKAR (BID ID -3209641)

RAJ ENTERPRISE (BID ID -3210690)

DEEPAK KHATTAR (BID ID -3209764)