REPAIR MAINT OF SOLAR WATER HEATING SYSTEM INCLUDING REPLACEMENT OF UNSERVICEABLE CONNECTED ITEMS AT AHRR UNDER GE EM RR HOSP 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 directed. 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.

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 directed.

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 directed.

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 specifed and directed.

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 directed.

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 incl nuts, bolts, washers etc complete all as directed.

Cutting existing steel tubing of 20 mm to 50 mm bore of pipe for alterations or additions (Each cut measured)

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)

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 of pipe

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 25 mm dia of pipe

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 duly insulated with puff and aluminium cladding including taking up/down existing old pipe complete all as specified and directed.

All as above but 25 mm bore

All as above but 40 mm bore

Supply and fixing Gun metal gate valves / ball valve of 25 mm dia with iron wheel head, screwed both ends for iron pipe and fixed.

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 damaged foundation, including necessary form work where required and fair finish to the exposed surfaces, complete all as directed.

M&L for Cleaning and removing all scale and dirt etc.from tanks of capacity 500/200 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 directed by Engr in Charge.

M&L cleaning of water tank of 5,000 tank capacity including scrapping of scales, flushing out of silt and muddy water, washing with anti bacterial solution etc complete all as directed.

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

S&F in replacement rotational mouled polyethylene water storage tanks of tripple layers (cylindrical vertical with closed top) hoisted and fixed in position incl tank nipple and all fittings complete all as specified capacity 5000 ltr.

S&F in replacement rotational mouled polyethylene water storage tanks of tripple layers (cylindrical vertical with closed top) hoisted and fixed in position incl tank nipple complete all as specified in SSR Part I of capacity 2000 ltr.

S&F in replacement, MCB C Curve TP 415 volts 63 amp, complete all as directed.

S&F in replacement, MCB C Curve TP 415 volts 32 amp, complete all as directed.

S&F in replacement, MCB C Curve SPN 240 volts 20 amp, complete all as directed.

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.

Maintenance/Repair of stainless steel hot water collection tank of capacity 10000/5000 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.

Maintenance/Repair of stainless steel hot water collection tank of capacity 2000/1000 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 500/200 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.

All as above but 20 mm bore

M&L Earthig complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6 mm thick, burried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to galvanised using galvanised iron strip 32x6mm as earthing lead by means of bolts, nuts, checks nuts and washers of galvanised iron of steel all as shown in electrical plate No 3 connect to earthing test point all as specified or indicated including testing on completion.

M&L for Earth continuity conductor or main earthing lead fix to wall on batten or recess or chases or burried in ground or drawn in conduit /pipe or fix to pole or any other indicated situation for loop earthing extra as required but size 25 x 3 mm galvanised iron strip incl saddles, nuts, bolts etc complete all as directed.

S&F Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw complete all as directed..

PRASAD ELECTRICALS

RUCHIKA ENGG.WORKS