REPAIR/ MAINTENANCE OF SOLAR WATER HEATER SYSTEM UNDER AGE E/M OF GE JAIPUR

Amount

Disconnecting of electric connection and dismantling complete solar water heating system ETC/FPC type of capacity 100/200 ltrs installed at multi storey building including hot & cold water pipe connections and hot water tank complete and refixing the same in existing or any other location as directed after servicing / repairing and replacement of the unserviceable parts and fixing back the system in position and testing on completion complete all as specified and directed by Engineer-in-charge. Note : Rates quoted by the contractor shall deemed to be included for :- (a) Replace the worn out nuts bolts, washers, union, sockets, flanges and screws etc.

All as per Item No 1 here-in-above but 300 LPD / 400 LPD complete all as specified.

Repair and servicing of Solar water heaters of capacities 200 LPD to 300LPD any make, carrying out the inspection of the all units of solar water heaters thouroghly, trace out the faults, and the repair the same in original position or work whop etc. by diconnecting and dismantling the defective units, cleaning of all glass, checking solar insolation, direction of rays, cleaning the makeup water tank inlet and outlet connections, membrane etc. replacement of new spare parts /old serviceable parts etc. as required at site and reconnecting, reassembling the same after repair including testing complete all as directed by Engr-in-Charge. Note : (i) The Spares parts and jointing material, PCC work etc. required for the repair after opening the solar water heaters shalll be carried out in the presence of JE/Engr-in-charge and the same will measured and paid seperately as supply only under relevent item of BOQ. (ii) The fixing of existing serviceable parts shall be included in quoted rates without claiming any extra cost. (iii) All the T&P items,transportation, PPR/GI Fittings, shall be arrange by the contractor without any extra cost. (iv) The cost of PPR/GI fittings shall be included in quoted rates without any extra charges.

M&L for cleaning of solar water heating system and Servicing of solar water heater system by Cleaning complete tubes and internally ,Anti-scaling Cleaning of all effected parts . Removing any type of chocking of Solar Collector or tube, repairing any type leakage from Gasket, Rubber Washer after Cold Water inlet and before hot water outlet of Solar Water Heater with cleaning agent complete all as specified and directed.

S &F in repair hot water pipe line 20 mm dia (heavy grade) duly insulated with glass wool 50mm and aluminum cladding complete all as specified and directed.

Supply & Fix of 3-layer PP-R Polyproplene random copolymer) concealed pipes SDR 7.4 (PN16) UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polyproplene random fittings fixed complete to walls, ceilings or in floors etc. outer diameter ofpipe 25mm complete all as directed.

Supply & Fix of PP-R Gate valves (brass insert) as per requirement of the site of size 25 mm bore complete all as directed.

Supply & Fix Galvanised Iron pipe, medium grade,and fixed complete to walls and ceilings or laid in floors, with all fittings such as tees, bend, elbows, sockets reducer ,nipples and union of size 20 mm dia bore including taking down old U/S pipe, Complete all as specified and directed.

Supply & Fix Galvanised Iron pipe, medium grade,and fixed complete to walls and ceilings or laid in floors ,with all fittings such as tees, bend, elbows, sockets reducer, nipples and union of size 25 mm dia bore including taking down old U/S pipe, Complete all as specified and directed.

Supply & Fix in repair Gun-metal, globe or gate valves of size 20mm bore, with iron wheel head, screwed both ends for iron pipe and fixed ISI markes complete all as directed.

Supply & Fix in repair Gun-metal, globe or gate valves of size 20mm bore, with iron wheel head, screwed both ends for iron pipe and fixed ISI markes complete all as directed.

Supply & Fix in repair Gun-metal, globe or gate valves of size 40mm bore, with iron wheel head, screwed both ends for iron pipe and fixed ISI markes complete all as directed.

S & F in repair heating element for solar water heater of wattage 3.0 KW operating on 240 V AC, all as specified and directed by Engineer-in-Charge. Make : Das Pass/ Racold/ Bajaj or equivalent as approved by GE

S & F in repair heating element for solar water heater of wattage 2.0 KW operating on 240 V AC, all as specified and directed by Engineer-in-Charge. Make : Das Pass/ Racold/ Bajaj or equivalent as approved by GE

S & F in repair thermostat for solar water heater of any wattage operating on 240 V AC, all as specified and directed by Engineer-in-Charge. Make : RENUTROL / DENFOSS/ INDOFOSS or equivalent as approved by GE.

S &F in repair silicon washer of size suitable for solar water heating system complete all as specified and directed.

S & F in repair solar water heating system evacuated tube any size complete all as specified and directed.

S&F in repair single pole and neutral enclosure with a two pin and earth plug and socket complete with one Double pole MCB 20 Amps complete all as directed.

S & F in repair isolator SPN, 40 Amps complete all as specifed and directed Engr-in-charge.

S & F in replacement MCB, SP, 'C' series, 6-32 Amps complete all as direced Engr-in-charge.

Supply and fixing 3 core copper flexiable weather proof cable FRLS PVC insulated and unsheathed multistranded copper conductor of size 4 sq mm confirming to relevent IS complete all as specified & directed including taking out old unserviceable cable.

Supply and fixing of Sub main wiring for circuit/ submain wiring in PVC conduits/ casing caping alongwith earth wire with 2x6.0 sq. mm + 1x6.0 sq. mm earth wire sizes of FRLS is PVC insulated copper conductor, single core cable in surface/ recessed as required for connection from main MCB DB to heat exchanger of solar water heates including taking down of old U/s wire, complete all as directed.

M&L for welding in repairs exceeding 2.5cm and not exceeding 5 cm in length and Thickness of Metal to be welded n exc. 6mm thickness complete all as specified and directed. Note : (i) All T&P and welding machines, jointing materials shall be included in quoted rates. (ii) The necessary electricity shall be paid by the contractor on reading of energy meter and tapping shall be provided from Main LT panel only and the cable shall be arrange by contractor without claiming any extra charge.

Cleaning of PVC water tanks of capacity 500 litres including chemical treatment with Anti-bacterial agent consisting of following process: - Dewatering the tank with submersible pump, de-silting and removing of left over dirty water in the bottom of the tank and sludge with special sludge pump, cleaning of walls and ceiling with special mechanized high pressure which dislodges the layer of dirt, algae, fungus stuck on its surface usage of scrubbing machines for old stains and cleaning chemicals if required of make Eureka Forbes Ltd, floor of the dirty tank should be thoroughly cleaned up by cleaner to accumulate all dirt , the dirt silt and other foreign material should further be removed by Industrial Vacuum Cleaners to make the floor totally dirt free, application/spraying of Anti-Bacterial chemicals to ensure total sterilization of tank from the inside, inside of the tank should be treated with specially developed 4 ft long ultraviolet Radiator to kill further floating bacteria/virus in order to make the tank totally clean, bacteria free and safe for storage of drinking water. All the above operations should be executed by trained workers and technicians with paint 75 mm height in DD/MM/YY patern and refixing the cover after cleaning all and specified and directed.

All as per Sr. Item No. 24 here in before but PVC water tanks of capacity 1000 litres

Supply & Fix in repair of rotational moulded polyethylene 500 ltrs capacity water storage tanks , three layered, (ISI marked) (cylindrical vertical with closed top) hoisted and fixed in position in SSR Part-I including ball valves 20mm dia high pressure of PTMT with epoxy coated aluminium rod & high-density plastic ball including 20mm dia GI medium grade over flow pipe, approx lenght 1.5 mtr, 25 mm dia wash out pipe with pluged at one end complete all as specified and directed.

Supply & Fix in repair of rotational moulded polyethylene 1000 ltrs capacity water storage tanks , three layered, (ISI marked) (cylindrical vertical with closed top) hoisted and fixed in position in SSR Part-I including ball valves 20mm dia high pressure of PTMT with epoxy coated aluminium rod & high-density plastic ball including 20mm dia GI medium grade over flow pipe, approx lenght 1.5 mtr, 25 mm dia wash out pipe with pluged at one end complete all as specified and directed.

S & F in replacement stainless steel hot water storage tank 400 Ltrs capacity suitable for flat plate collector solar water heating system as per IS: 12976 (1990) made up of food grade stainless steel 1 mm thick with heat exchanger absorber (made of copper sheet and copper tube), having outer aluminium (aluminium sheet thickness 25 Gauge) cladding with 100 mm thick of 48 Kg/m3 density rock wool insulation with PUFF having arrangement of appropriate capacity electrical back up and inlet & outlet water connection complete all as specified and as directed. Make: Tata BP Solar/ BHEL/ Solchrome/ Star Tech / Inter Solar or MNRE approved

All as per item Srl No. 28 here-in-before but for capacity 300 Ltrs

All as per item Srl No. 28 here-in-before but for capacity 200 Ltrs

S & F in replacement solar panel toughened glass having thickness 6 mm all as per the existing model of system including hose pipe and clamps as required at site as per IS: 2553 (Part-I) complete all as specified and directed.

S & F in replacement EPDM rubber gasket for solar panel made out of fine rubber to make system air tight, dust and water proof complete all as specified and directed.

Taking down carefully storage type water heater (geyser) any make and capacity from clamp/bolts including disconnecting water and electric connection including checking defects and re fixing the same and connecting up after cleaning of geyser and repair complete. (Note - Repair work shall be measured separately).

Supply only geyser apparatus plate (any make, any type) copper alloy chromium plated suitable for geysers 25/50 litre capacity including rubber gasket, nuts / bolts etc complete.

Supply only heating element 2.0 KW, 230 volts, ISI marked suitable for 25/ 50 litre capacity geysers of any type as required.

Supply only thermostat ISI marked suitable for 25/50 litres geysers as required.

Supply only stainless steel inner tank suitable for 25 litre capacity geysers housing complete.

Supply only stainless steel inner tank suitable for 50 litre capacity geysers housing complete.

Repair of inner copper tank of geysers 25/50 litre capacity with gas welding not exceeding 5 mm thick to make it leak proof complete.

Repair of apparatus plate of geysers 25/50 litre capacity by brazing not exceeding 5 mm thick complete.

Supply only dis cut out switch suitable for 25 litre capacity geysers complete.

Supply only capillary thermostat set suitable for 25 litre capacity geysers complete.

Renewal of brass chromium plated, flexible pipe connection 15 mm bore 450 mm long heavy duty suitable for hot water supply with two numbers brass chromium plated nuts at end complete.

S&F water heater 50 litre capacity horizontal type BEE star rating 5 in approved colour, heating element 2.0 KW, adjustable temperature setting knob for temperature setting between 25° C to 75° C, outer tank made of non metallic engineering plastic, inner tank made of extra thick superior cold rolled steel provided with high density PUF insullation complete. Make Havells Monza EC H or equivalent as approved by GE

S & F insulation of hot water pipe with black cover pipe sleaves made out of polyethylene or neoprene foam to reduce heat losses for 20 mm bore pipe complete all as specified and directed. Note : Pipe shall be measured and paid seperately.

M&L for lagging to 20 mm dia pipe used in internal water supply or plumbing all round with, 25min thick bonded mineral wool preformed ‘SNAP ON’ pipe sections of density 144 Kg/cum conforming to IS 9842 complete all as directed.

M&L for lagging to 25 mm pipe used in internal water supply or plumbing all round with, 25min thick bonded mineral wool preformed ‘SNAP ON’ pipe sections of density 144 Kg/cum conforming to IS 9842

Supply only PVC insulated FRLS multistranded copper conductor cable 6 Sqmm

M&L for point wiring with 1100 volts grade PVC insulatd FRLS multistranded copper conductor cable 4.0 Sqmm (Phase-Red, Neutral-Black) and earth continuity conductor 4.0 Sqmm (Green) drawn into and including PVC casing-capping not less than 32x16mm ISI marked ivory colour with all fittings/fixing accessories and unwelded sunken galvnised pressed steel terminal boxes of thickness not less than 1.0mm covered with 3mm thick phenlic laminated white sheet cover / PVC Gang box for mounting sheet cover for mounting switches, sockets for one 16 Amps socket outlet point controlled by one switch on independent board.

M & L for Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc. not exceeding 10 kg each brackets, conforming to Fe-290 Gde-E-165 including painting with two coats of synthetic enamel paint over a one coat of red oxide primer for mounting of water tank and similar work complete all as specified and directed.

M & L for cement concrete in foundation, filling and mass concrete 1:2:4 type B-2 (using 40mm graded stone aggregate) including necessary form work complete all as specified and directed.

S & F angle stop valves, cast copper alloy, screwed down high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or for unions and fixed fancy type, chromium plate complete. (Minimum weight 15 mm-90 gms)

Schedule of Credit

S.R.Enterprises

SHREE BHAGWATI ENTERPRISES

M/S TRADE LINKERS

Shree Karni Electrovision