REPAIR / MAINT OF SOLAR LIGHT AND SOLAR WATER HEATER AND CONNECTED ASSOCIATED WORKS AT DOMESTIC AND TECH AREA AT AF STN BARRACKPORE UNDER GE (AF) BARRACKPORE

Amount

Testing / checking of serviceable / unserviceable solar heating system device of capacity 300 LPD complete incoming /outlet cold / hot water supply system like PP-R pipes , gate valves , water storage tank , heat exchanger tank, thermostate / heating element, power supply backup , solar plate, glass wool complete and examining the water tightness of same after refixing the same in original position complete all as specified and directed. Note :- Unserviceable items for renewal shall be measured and paid seperately under respective items.

Supply only insulating glass wool to insulate the solar water heating tanks or pipe line etc complete all as specified and directed.

Disconnecting and taking down old existing PPR pipe 16 / 20 / 32 / 63 mm bore and connection of any description/ grade and in any position from trenches / walls / floors/ roof etc including connected fitting / accessories and fixtures complete all as specified and directed.

Supply and fix 3 - layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN-16) of size outer dia 63 mm UV stablized and antimicrobial fusion welded having thermal stability for hot and cold water including all PP-R plain & brass threaded polypropylene random fittings fixed on walls, ceiling or in floors etc complete all as specified and directed.

Supply and fix 3 - layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN-16) of size outer dia 32 mm UV stablized and antimicrobial fusion welded having thermal stability for hot and cold water including all PP-R plain & brass threaded polypropylene random fittings fixed on walls, ceiling or in floors etc complete all as specified and directed.

Supply and fix 3 - layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN-16) of size outer dia 20 mm UV stablized and antimicrobial fusion welded having thermal stability for hot and cold water including all PP-R plain & brass threaded polypropylene random fittings fixed on walls, ceiling or in floors etc complete all as specified and directed.

Supply and fix 3 - layer PP-R (Polypropylene random copolymer) concealed pipes SDR 7.4 (PN-16) of size outer dia 16 mm UV stablized and antimicrobial fusion welded having thermal stability for hot and cold water complete all PP-R plain & brass threaded polypropylene random fittings fixed on walls, ceiling or in floors etc complete all as specified and directed.

Supply and fix 0.63mm thick plain, galvanised, mild steel sheeting with grade of zinc coating 275 as in cladding / covering of PP-R pipe of any size as per site requirement complete all as specified and directed.

Supply and fix PP-R Gate valves (brass insert) suitable for 63 mm outer dia of pipe complete all as specified and directed.

Supply and fix PP-R Gate valves (brass insert) suitable for 32 mm outer dia of pipe complete all as specified and directed.

Supply and fix PP-R Gate valves (brass insert) suitable for 20 mm outer dia of pipe complete all as specified and directed.

Supply and fix electrical backup heating element of Solar water heater of capacity 3KW complete all as specified and directed.

Supply and fix 63 mm dia ball brass valves, high pressure, with polythene float and flynut complete, screwed for PP-R Pipe of outer dia or brass ferrule complete all as specified and directed.

Supply and fix 15 mm bore fancy type chrominium plated bib taps, cast copper alloy, with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

Disconnecting and taking down old unserviceable rubber hose pipe of any description and supply and fixing of rubber hose pipe 32 / 40 mm dia of size ISI marked complete all as specified and as directed.

Material and labour for mild steel framed / sheet work for tanks / panel supported structure / ladder and similar works conforming to Fe.290.Gde-E-165 including welding /cutting of steel including dismantling of existing framed / sheet work for tanks / panel supported structure / ladder and similar works complete all as specified and directed .

Material and labour for preperation of new steel surface and applying two coats of synthetic enamel paint over a coat of red oxide zinch chrome primer complete all as specified and directed .

Material and labour for disconnecting existing tanks of capacity 500 ltr , setting aside (or lowering if required) for repairs, cleaning, etc and housing if required reconnecting and re-fixing in position, complete all as specified and directed. Note:- Cleaning, repairing, etc measured seperately under respective items.

Material and labour for cleaning and removing all scale and dirt, etc, from tanks of capacity 500 ltr and from mouths of circulating pipes, etc, complete all as specified and directed.

Supply, hoist and fix 500 litre capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I including dismantling of old unseviciable existing tank complete all as specified and directed.

Supply, hoist and fix 1000 litre capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I including dismantling of old unseviciable existing tank complete all as specified and directed.

Taking down unserviceable solar water heater heat exchanger flat plate collector panel from the roof with and including taking out or dismantling of the water supply connection witout any damage to serviceable fitting and fixture complete all as specified and directed.

Supply and fix solar flat plate collector panel of size 2.2 sqm (2080 x 1070 x 94 mm size) complete all as specified and directed.

Disconnecting and taking down existing unsverviceable solar hot water tank with heat exchanger of any description supply and fixing of solar hot water tank with heat exchanger of 300 ltr capacity having 100 mm glass wool insulation including all inlet outlet connection complete all as specified and directed.

Material and labour for opening of existing aluminium cladding from tank , cleaning and stacking the same for reuse , taking out glass wool and repairing the tank and repairing the leakage by means of TIG welding , refilling of glass wool , aluminium sheet complete all as specified and directed.

Material and labour for complete removal of existing treatement of old decorated steel surface of angle iron support of existing solar water heating system of 300 LPD capacity and water tank support structure and applying two coat of synthetic enamel paint over a coat of red oxide zinch chrome primer including preperation of surface complete all as specified and directed.

Supply and fix GI tube 40 mm bore (light grade) with fittings laid in trenches or fixed on wall, floor for cable protection or uses as pole for fixing of Solar street light complete all as specified and directed.

Supply and fix in repair 15 mm dia angular stop cock with wall flange chrominium plated, cast copper alloy complete all as specified and directed.

Supply, laying, connecting and testing XLPE insulated, PVC sheathed, armoured LT electric power UG cable (heavy duty with stranded aluminum conductor) of size 16 Sqmm, 2 core, 1100 Volts (earthed) grade, confirming to IS-7098 (Part-I) laid through duct/ pipe / in trench etc. with cable glands & suitable size of aluminium lugs including taking down old unserviceable cable complete all as specified and as directed. Note : Earth work, brick protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item.

Supply and fix in repair flame proof 16 Amp socket with plug, combined in LM6 cable termination box in LM6, 16A, 240V, 2P+earth for solar water heater complete all as specified and directed.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5mtr in depth and getting out in soft/loose soil for laying of under ground cable complete all as specified and directed.

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

Removing of surplus soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

Material and labour for sand cushioning with clean and dry river sand for protection of XLPE UG cable with approved sand of uniform thickness. laid dry, filling in trenches and punning down in proper required layers complete all as specified and directed. Note:- Punned down thickness shall be measured for payment.

Materials and labour for brick protection cover to underground cables with sub class ‘B’ of size 23 X 11.5 X 7.5 cm, (locally available best quality), laid dry and flat abutting each other with gaps not exceeding 10mm complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 using 40 mm grade stone aggregate as in PCC block for fixing of support structure complete all as specified and directed

Materials and labour for PCC (1:2:4) type B-1 using 20 mm grade stone aggregate for coping including necessary form work complete all as specified and directed

Material and labour for 25mm dia HDPE pipe of pressure rating 6 kgf/cm2 for passing of cable through PCC foundation from trench to cable junction box and also for protection of security light cable from junction box to light fitting with necessary clamp nuts and bolts complete all as specified and directed.

Material and labour for repair of solar light comprises 01 Nos light, 01 Nos battery and 01 Nos solar Panel, mounted on pole by disconnecting electric connection and carrying out necessary repair / replacement of unserviceable parts/ components and re-assembling & refixing the same in original position including maintenence of battery complete all as specified and directed. Note : - (a) The cost of wiring if any required with suitable size copper conductor cable, terminal blocks of battery, charging of battery etc demmed to be included in the quoted rate. (b) Unserviceable parts for renewal shall be measured and paid seperately under respective item.

Supply and fix in repair PVC insulated three core 1.5 sqmm multi strand copper conductor for connection of security light from steel pole / PCC pole / Junction box etc complete all as specified and directed.

Supply and fix solar battery 12 V, 75 AH tubular , including battery connecting brass clamp, cable and testing after installation, complete all as specified and directed. Make : Exide/ Amaron / Tata Green /Solartech. Note :- Cost of battery terminal. DC cable, repairing of battery box etc shall be deemed to be included in the quoted rate.

Supply and fix solar power module 80 W , 12V highly classified A-grade solar cells for lesser degradation and high energy, micro crack free panels EL tested before and after lamination, anti-reflective coating frame material of IP67 / IP68 junction box for long term weather endurance complete all as specified and directed. Make : Tata green / Solartech / Microtek

Supply and fix solar charge controller 10A with protection functions such as over charge / discharge, overload, short circuit, overheating including LED indicators complete all as specified and directed.

Material and labour for complete removal of existing treatement of steel surface of solar light steel tubular swaged pole of (5.5 to 9.0 meter) length, in any pattern and applying two coat of aluminium paint over a coat of red oxide zinch chrome primer in full length of the pole and marking the pole with black and yellow strip (upto to 1 mtr length, 1mtr heigth of PCC coping) alternatively including numbering the pole serially complete all as specified and directed.

Material and labour for battery box made out of 3.15 mm MS sheet of size 0.6m x 0.6m x 0.30 m deep compartmentalized type having hinge opening arrangement in top fixing on pole by 50 x 50 x 6 mm thick angle iron and 40 x 4 mm flat iron (strip) with cable entry and exit circular hole with cable gland and gasket complete. The cabinet and all members should be chemically treated for anticorrosive treatment and apply powder coated paint having thickness not less than 100 microns, complete all as specified and directed

Supply and fix in repair solar LED street light 15W luminaire made of aluminium housing , 1500 lumens (white high powered 5500 - 6500K temp) prewired housed in a weather proof assembly suitable for outdoor use complete all as specified and directed.

Supply and fix in repair analog timer switch suitable for 32 Amps capacity at 240V AC including all necessary connection complete all as specified and direcred.

Supply and fix in repair MCB TPN, 415 Volts, of 63 amps current rating, 10 KA breaking capacity 'Ç' series complete all as specified and directed.

Supply and fix in repair MCB TPN, 415 Volts, of 100 amps current rating, 10 KA breaking capacity 'Ç' series complete all as specified and directed.

Supply and fix in repair MCB TPN, 415 Volts, of 125 amps current rating, 10 KA breaking capacity 'Ç' series complete all as specified and directed.

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

Supply and fix in repair MCB SPN, 240 Volts, of 40 to 63 Amps current rating, 10 KA breaking capacity 'Ç' series complete all as specified and directed.

Supply and fix in repair for PVC insulated and sheathed flexible wire 3 core with copper conductor 2.5 sqmm complete all as specified and directed.

Material and labour for 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 20mm dia of PVC conduit heavy duty and its fittings complete surface/concealed 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 old unserviciable 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 measured and paid separately under respective items.

Material and labour for sub-main wiring comprising single core , 2 runs of 6 sqmm nominal cross sectional area, FRLSH multistranded copper conductor cable, PVC insulated unsheathed 1100 volts grade drawing in and including 25mm dia of PVC conduit heavy duty and its fittings complete surface/concealed including provision of 1 run of 6 sqmm nominal cross sectional area, single core FRLSH multistranded copper conductor cable, PVC insulated unsheathed 1100 Volts grade as earth wire including taking down old unserviciable 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 measured and paid separately under respective items.

Material and labour for cutting chases, chipping in, making good to facings where required and pointing in cement mortar (1:3) to ends or edges of landings, steps, cills, sunshades, shelves, lintels, etc ; and cutting chases for concealed water tubing or concealed wiring etc, and making good, cutting not exc 10 cm girth in brick walls complete all as specified and directed

Supply and fix in repair sheet metal enclouser TPN DB 4 ways having facility to fix MCB TPN as incomer and MCBs as outgoing, IP 43 with double door type complete fitted with bus bars, neutral links, blanking plates including making good disturbed surfaces complete all as specified and directed. Note:- MCB TPN & MCB SP will be measured and paid seperately under respective items.

Supply and fix in repair sheet metal enclouser SPN DB 8 ways having facility to fix MCB SPN in incomer and MCBs in outgoing, double door IP-43 type complete fitted with bus bars, neutral links, blanking plates including making good disturbed surfaces complete all as specified and directed. Note:- MCB SPN & MCB SP will be measured and paid seperately under respective items.

Supply and fix in repair sheet metal enclouser SPN DB 4 ways having facility to fix MCB SPN in incomer and MCBs in outgoing, double door IP-43 type complete fitted with bus bars, neutral links, blanking plates including making good disturbed surfaces complete all as specified and directed. Note:- MCB SPN & MCB SP will be measured and paid seperately under respective items.

Taking down /dismantling of defective/rusted storage type hot water geyser of 50/25Ltrs capacity from different locations by disconnecting inlet/ outlets connections and taking out unserviceable parts by unscrewing bolts and nuts checking defects,reassembling and re-installing the geyser in the same position, connection and testing complete all as specified and directed. Note - Spares shall be measured and paid separately under respective items as supply only.

Supply only indication lamp (Green /Red) as required for 25/50 Ltrs capacity of geyser complete all as specified and directed.

Supply only thermal cut out for 25/50 ltr capacity 20A, 250V complete all as specified and directed.

Supply only thermostat for 25 / 50 ltr capacity of range 0-75 degree centigrade complete all as specified and directed.

Supply only heating element 2.0 KW, 230V AC 50 HZ (ISI Marked) as per existing with the provision of traingular head / square head / round type or geyser fixed at site of any make of Crompton / Bajaj / Racold/ Jaquar as required at site complete all as specified and directed.

Supply and fix in repair industrial plug and socket type DB (functional unit) 20 Amps capacity with provision of single pole 20 amps MCB, plug top and earth plug, grouted flush to walls complete and all as specified. Note : Cost for make good to the existing surface shall be included in quoted rate.

Das and Brothers (BID ID -3228003)

BANERJEE CONSTRUCTION (BID ID -3228046)

BOSE ENTERPRISE INDEX NO.E 106 2010 BKP (BID ID -3228581)

NC BOSE AND CO (BID ID -3228289)

JADAV CONSTRUCTION (BID ID -3228621)