REPAIR/ MAINT ELECTRIC GEYSERS AND SOLAR WATER HEATER UNDER AGE E/M-V OF GE (N) BATHINDA AT BATHINDA MIL STN

Amount

Taking down carefully storage type water heater( geysers) of 25/35/50 litres capacity for servicing after disconnecting existing water supply and electric connection by unscrewing/ cutting of holding bolts/ nuts from walls and opening the tank for repair including inspection and refixing after repair and testing of repaired geysers ( of any type and capacity) due to any defect like air lock, water leakage in pipe line joints including replacement of GI nipples, and replacement of small electric parts like indication lamp, fuseplug if faulty, checking loose electric connections inside and outside geyser and making good complete all as specified and directed. Note :- (a) Cost of mentioned small parts like GI Nipple, Fuseplug, indication Lamps and steel Fastners of size 10 mm dia 100 mm long wherever required willl be included in the quoted rate. (b) Any Parts like Assembly, Element, Thermostat etc. not mentioned under this item will be measured and paid under separate item of BOQ for supply only.

Supply only inner assembly suitable for 25/35/50 Ltr of capacity geyser complete all as per IS codes and specified and directed by Engineer-in-charge.

Supply only Heating element 2.0 KW, 230 volts AC supply (ISI marked, original as per existing/sample) suitable for water heaters/geyser (any type) complete with rubber gasket including replacing the rusted bolts/screw if required during changing the heating elements, complete all as specified and as directed by Engineer-in-Charge.

Supply only Autocut with temperature control regulator/thermostat (ISI marked, original as per existing/sample) with relay of suitable size on site, suitable for any make & type of geyser 25/ 35/ 50 litres capacity horizontal or vertical type complete all as specified and directed by Engineer-in-Charge.

Material and labour for spray painting to existing Geysers of any capacity 25/35/50 Litres with super enamelled heat resistant paint of approved colour complete with scrapping old surfaces, filling cavities and writing MES Nos, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing ( in replacement) Metal clad CRCA body (Geyser box) plug and socket assembly including MCB of cap 25 Amp, DP, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing (in repairs ) PVC insulated and PVC sheathed 3 core copper conductor flexible round cable size 2.5 sqmm, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing (in repairs ) chromium plated, concealed stop cock short body, cast copper alloy, screwed down for 15mm bore pipe, high pressure, with crutch handle, screwed externally both ends for unions, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing (in repairs ) chromium plated, fancy type long body bib taps, cast copper alloy, screwed for 15mm bore iron pipe or for brass ferrule and fixed, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repairs pre-painted inspection plate rounded in two pieces made out of 22 gauge MS sheet suitable for 25/35/50Litres and with fixing space for indicating lamp of any type to geyser of any make and capacity including fixing screws, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing ( in repairs) PTMT connections heavy duty 15 mm size with PTMT nuts, of length 450/600 mm, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing (in replacement as per existing) 15/16 Amp metal clad plug top of Geyser, complete all as specified and directed by Engineer-in-charge.

Supply and fixing (in replacement as per existing) 15/16 Amp metal clad socket of Geyser, complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of rubber hose pipe 20 to 25 mm dia between hot water tank & collector fixed with MS clamp, complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of outer cover body of geyser complete (with hanging clamp & connection cover) suitable for 25 ltr electric water storage geyser complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of stainless steel inner tank of geyser suitable for 25/35 ltr complete (with hanging clamp & connection cover) suitable for 25 ltr electric water storage geyser complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of stainless steel inner tank of geyser suitable for 50 ltr complete (with hanging clamp & connection cover) suitable for 50 ltr electric water storage geyser complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of plug top 15/16 amp size, complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement of lamp indicator for geyser (Red and Green) complete all as specified and directed by Engineer-in-charge.

Supply and fixing in replacement sub main wiring complete with two single core 4 sqmm, 1100 volts grade, PVC insulated, multi stranded copper conductor cable FRLSH with and including single core 4 sqmm, 1100 volts grade, PVC insulated, multi stranded copper conductor cable FRLSH for earth wire in existing PVC concealed conduit (Colour code phase- Red, Neutral-Blank and Earth as Green) complete all as specified and directed by Engineer-in-Charge. Note :- Three runs of cable and one run of conduit shall be measured as one unit.

Material and labour for Routine maintenance of Solar water heater plant (including any leakages in GI pipes/ replacement of air valve steel tank fixed in hot water tank/ replacemnt float valve of cold water tank ) of Cap 100/200/300 /500 /1000 litres installed at single/ double/ triple story bldgs for preventing minor leakage using gasket of nitryl rubber of suitable thickness and size , cleaning of flat plate glass collector, cleaning / drain of water from hot and cold water tank and make up tank clean after disconnecting inlet and out let connections incl replacement of rusted nut bolts and washer of appropriate cap and refixing the same at retrieved position after cleaning for proper functioning of the system to maintain proper water temperature, complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing HDPE rotational moulded polyethylene cylindrical vertical water storage tanks 500 Ltr cap (triple layered with closed top), conforming to specification of IS:12701-1996 with amendment No 1 and 2 (covered by fig 1) hoisted and fixed in position, including out let and inlet connection including dismantling/taking down of existing unserviceable water storage tanks of any description and capacity complete complete all as specified and as directed by Engineer-in-Charge.

Dismantling of choked flat collector solar panel from existing platform after disconnecting all water connection unscrewing nut, bolts and washer, removing the collector glass and absorption plate and descaling/cleaning /removing the blockage of internal copper tubing using recommended chemicals, incl drilling of copper tubing, and gas welding to stop affected leakage spot and re-fixing the panel to its original position, complete all as specified and as directed by Engineer-in-Charge.

Material and labour for repairing the Stainless steel hot water tank where leakage of water by steel welding in repair upto 5cm in length and not exceeding 4mm thickness of metal to be welded and testing of leakage upto entire satisfaction of JE/Engineer-in-charge and refixing the tank after repair in original position in all respect i.e. covering with existing glass wool, aluminium sheet and water connection, complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement Hot water tank made out of stainless steel 2 mm thick sheet, 200 Ltr cap including covering with glass wool and aluminium sheet and provision of inlet/outlet arrangement including testing after fixing with solar system as well as electric backup supply system, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement Hot water tank made out of stainless steel 2 mm thick sheet, 300 Ltr cap including covering with glass wool and aluminium sheet and provision of inlet/outlet arrangement including testing after fixing with solar system as well as electric backup supply system, complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement Flat plate collector size 2033 mm x 1033mm x 100 mm ISI marked and as per site requirement, assembly suitable for solar water system existing size and capacity with copper tube black coat/radiation reflector film, aluminum toughed glass, complete all as specified and directed by Engineer-in-Charge.

Material and labour for MS cross arms, bracing, stiffeners anti climbing spikes, supports, clamps back plates fabricated from structural steel section including nuts, bolts, washers, eye hooks, welding bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed including two coats of aluminium paint over a coat of red oxide primer, including taking down old rusted MS cross arms, complete all as specified and as directed by Engineer-in-charge

Supply and fixing in replacement MCB ‘C’ curve suitable for 240 volts AC supply, 25 Amps, DP with over load and short circuit protection and rupturing capacity not less than 10 KA, fixed in existing panel/DB/Board, complete all as specified and as directed by Engineer-in-charge.

Supply and fixing galvanized steel tubing (GI pipe) medium grade 15mm bore ISI marked with all new fittings like elbow, tee, union, socket, reducer etc. and fixed complete to walls, ceiling and laid in floor or concealed in walls including cutting of existing pipe any dia for insertaion of tee branch as required including taking out/down old rusted pipes making good disturbed surfaces as per existing, complete all as specified and as directed by Engineer-in- charge.

Supply and fixing galvanized steel tubing (GI pipe) medium grade 20mm bore ISI marked with all new fittings like elbow, tee, union, socket, reducer etc. and fixed complete to walls, ceiling and laid in floor or concealed in walls including cutting of existing pipe any dia for insertaion of tee branch as required including taking out/down old rusted pipes making good disturbed surfaces as per existing, complete all as specified and as directed by Engineer-in- charge.

Supply and fixing in replacement gun metal, globe or gate valve (ISI marked), brass cast copper alloy, with iron wheel head, screwed both ends suitable for 15mm bore iron pipes complete all as specified and as directed by Engineer-in-charge. Note :- The minimum weight of gate valve shall be as given in SSR or in relevant IS.

Supply and fixing in replacement Heating element 3 KW, 230 volts AC supply (ISI marked, original as per existing/sample) suitable for solar water heaters (any type) complete with rubber gasket including replacing the rusted bolts/screw if required during changing the heating elements, complete all as specified and as directed by Engineer-in-Charge.

Supply and fixing in replacement of Thermostat 0 to 80 deg celcius setting suitable for 25/35/50 Litre solar water heaters, complete all as specified and as directed by Engineer-in-Charge.

Aman Enterprises (BID ID -3214306)

m/s s.n. builders (BID ID -3220794)

M/S SODHI ASSOCIATES (BID ID -3211381)

B D BATRA AND SONS (BID ID -3220735)

M/s NIRMAN BUILDERS (BID ID -3219170)