CA No GE/H-37/2021-22 REPAIR/MAINT OF SOLAR WATER HEATING SYSTEM INCLUDING REPLACEMENT OF UNSERVICEABLE CONNECTED ITEMS AT AHRR UNDER GE E/M RRH DELHI CANTT-10

Amount

Supply, installation, testing and commissioning in replacement of solar flat plate collector suitable for existing indirect heating system, of 100 LPD capacity of approx size of 2000 x 1000 mm, having high grade copper riser tube (09 nos of 12.5 mm dia size each), copper header pipe (02 nos of 25 mm dia size each), absorber plate made of copper (09 nos) duly black crome coated, tempered glass, fiberglass insulation, rubber gasket inluding connection with existing system with new flanges/gaskets also dismantling of old panel complete all as specified and directed by Engr-in-Charge. Note : Any kind of addition/alteration, if required, to fit new panel in place of existing, the cost of the same is deemed to be included in the quoted rate and no extra payment will be made in this effect.

Supply, installations and testing in replacement of automatic pressure boosting pumpset comprise of electric driven Single phase induction Motor AC 200- 240 volts, 50 Hz, having capacity of discharge 66.6 LPM at 22 mtr head with pressure tank of 24 Ltrs, NRV with and incl PCC foundation work, base frame made out by MS channel, fixing accessories i.e. foundation bolts, nut, washers etc, connecting pipe lines & making electric connection, with and including taking down of existing unserviceable motor pumpset along with all accessories, after disconnecting electric connection, pipe connection complete all as specified and directed by Engr-in-Charge. Make: Grundfos cat part no CMB 3-46 or equivalent model in Cromptom Greaves, Kirloskar.

S&F in repairs, DOL starter 1 HP 200-240 V single phase, complete all as specified and directed by Engr-in-Charge.

S&F in replacement of industrial immersion heater of any type and size, 3.0 KW, ISI marked built in thermostat suitable for solar water heating system, complete all as specified and directed by Engr-in-Charge.

S&F in replacement of industrial immersion heater of any type and size, 6.0 KW, ISI marked built in thermostat suitable for solar water heating system, complete all as specified and directed by Engr-in-Charge.

S&F in replacement 6 sqmm, 4 core size PVC insulated and PVC Round Sheathed, Copper Conductor (flexible) industrial cable, 1100 Volts, conforming to IS: 694, etc complete all as specified and directed by Engr-in-Charge.

All as per item here-in-before but of 4 sqmm 4 core size.

S&F in replacement, Rigid steel conduit, black/brown colour, size 25 mm complete all as specified and directed by Engr-in-Charge.

M&L for maintenance/repair by dismantling of existing solar flat plate collector of indirect heating system, comprising of inspection, descaling, brushing and cleaning of collector panel, riser tubes, header tubes, heat absorber tubes, connecting pipes and examining of water tightness of the same after wash, cleaning and descaling and repairing of leakage, if any, using welding/brazing and preparation of old painted surfaces of MS mounting frame and applying two coats of synthetic enamel paint on old surfaces etc and refixing the panel on same position complete all as specified and directed by Engr-in-Charge.

Cutting existing steel tubing of 20 mm to 50 mm bore of pipe for alterations or additions (Each cut measured) complete all as specified and directed by Engr-in-Charge.

Screwing existing steel tubing of 20 mm to 50 mm bore of pipe for alterations or additions (or lengthening screw on pipe to from connector) complete all as specified and directed by Engr-in-Charge.

Taking up GI water pipe including all fitting/old insulation and fixing the same at original position duly insulated with 13 mm thick nitrile rubber insulation of 20 mm dia size of pipe complete all as specified and directed by Engr-in-Charge.

All as per item here-in-before but of 25 mm dia.

All as per item here-in-before but of 40 mm dia.

M&L in replacement GI pipe of 20 mm bore medium grade, ISI marked with and including all fittings complete fixed to walls/ceiling or laid in floors including taking up/down existing old pipe complete all as specified and directed by Engr-in-Charge.

All as above but 25 mm bore

All as above but 40 mm bore

All as above but 50 mm bore

Supply and fixing Gun metal gate valves of 25 mm dia with iron wheel head, screwed both ends for iron pipe and fixed complete all as specified and directed by Engr-in-Charge.

All as per item above but for 50mm bore pipe.

All as per item above but for 40mm bore pipe.

All as per item above but for 20mm bore pipe.

M&L for PCC 1:2:4 type B-1, using stone aggregate 20 mm graded, with and including demolishing the existing dameged foundation, including necessary form work where required and fair finish to the exposed surfaces, complete all as specified and directed by Engr-in-Charge.

M&L for Cleaning and removing all scale and dirt etc.from tanks of capacity 500 Ltrs and mouth of circulating pipes including two coats of synthatic enamel paint after preparation of old surfaces on existing angle iron structure complete all as specified and directed by Engr-in-Charge.

S&F Rotational moulded polyethylene water storage tanks,tripple layer (cylindrical vertical with closed top) of 500 litres capacity, hoisted and fixed in position including connecting up pipes complete all as specified and directed by Engr-in-Charge.

S&F in replacement, MCB TP 415 volts 63 amp, complete all as specified and directed by Engr-in-Charge.

S&F in replacement, MCB TP 415 volts 32 amp, complete all as specified and directed by Engr-in-Charge.

S&F in replacement, MCB SPN 240 volts 32 amp, complete all as specified and directed by Engr-in-Charge.

M&F in replacement, MCCB 3 pole, 415V, Adjustable type, 160 Amp with breaking capacity 25 KA, complete all as specified and directed by Engr-in-Charge.

M&L in replacement Mild steel framed/sheet work for tanks/panel/pump cage supported structure/ ladder and similar works conforming to Fe-290 Gde-E-165 including welding/cutting of steel including painting of two coats of synthetic enemal paint over one coat of primer paint (incl prepration of surface) complete all as specified and directed by Engr-in-Charge.

Maintenance/Repair of stainless steel hot water collection tank of capacity 10000 ltr alongwith connected accessories/fittings without damaging the tank/accesorries, electric and water connections, checking of water leakages and arresting leakages using ss welding, descalling water tank including necessary welding, cutting, grinding, riveting etc.as required and making proper electric and water connection, testing for leakages/ smooth operation and re-insulating the entire tank complete all as specified and directed by Engr-in-Charge. Note : 1. The cost of insulation is deemed to be included in quoted rates. 2. The rates quoted by contractor includes all nessesery T&P required for disconnecting ,making all kind of elect/water connections and refixing the same after repair and minor adjustment in tank to be fixed in its original position to the entire satisfaction of Engr-in-Charge.

M &L For taking down carefully stainless steel hot water collection tank of capacity 500 ltr from roof top alongwith connected accesorries/fittings without damaging the tank/accesorries/fittings with and including disconnecting of electric and water connections,checking of water leakages. arresting leakages using ss welding, descalling water tank including necessary welding, cutting, grinding, riveting etc.as required including two coats of synthatic enamel paint after preparation of old surfaces on existing angle iron structure, reinstallation of water tank in original location checking of alignment making proper electric and water connection, testing for leakages/ smooth operation and insulating the entire tank complete all as specified and directed by Engr-in-Charge. Note : 1 The cost of insulation is deemed to be included in quoted rates. 2 The rates quoted by contractor includes all nessesery T&P required for disconnecting ,making all kind of elect/water connections and refixing the same after repair and minor adjustment in tank to be fixed in its original position to the entire satisfaction of Engr-in-Charge.

S&F in replacement ball brass valve 25 mm bore high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and directed by Engr-in-Charge.

All as above but 20 mm bore

sheetal engineering

CHAUHAN ENTERPRISES