REPAIR TO GEYSER SOLAR WATER HEATING SYSTEM AT AF STN UTARLAI

Amount

Disconnecting of electric connection and dismantling complete solar water heating system FPC/ETC type of capacity 500 ltrs installed at single/double/triple storey building including hot & cold water pipes and hot water tank complete and refixing after servicing/repairing the system fixing back in position and testing 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. (b) Descaling/ desludging, cleaning and washing of the solar FPC panel/ ETC pipes, hot water pipes, copper tubes, hot and cold water tanks by using appropriate chemicals and re-assembling the panel.

All as per items No. 1 here in before but of capacity 300 ltrs per day complete all as specified and directed by Engineer-in-charge.

All as per items No. 1 here in before but of capacity 200 ltrs per day complete all as specified and directed by Engineer-in-charge.

All as per items No. 1 here in before but of capacity 100 ltrs per day complete all as specified and directed by Engineer-in-charge.

S&F in repair gun metal float valve assembly of size 15mm for solar water heater system all as directed by Engr-in-Charge.

S&F in repair make up tank capacity 10 Ltr made out of stainless steel all as per existing sample & shape, including connection nipple for incoming and delivery as per existing complete for solar water heater all as specified and directed by Engr-in-Charge.

S & F in repair of heating element suitable for solar water heating system of capacity 2 KW ISI marked as per existing shape all as directed by Engr-in-Charge.

S & F in repair of heating element suitable for solar water heating system of capacity 3 KW ISI marked as per existing shape all as directed by Engr-in-Charge.

S & F in repair of thermostat of capacity 0 to 80 degree suitable for upto 3 KW heating element of capacity all as directed by Engr-in-Charge.

Supply and fix as in replacement, solar panel toughened glass having thickness 3.2 mm all as per the existing model of system complete gasket made out of fine rubber to make system air tight, dust and water proof all as specified and directed by Engineer-in-charge.

S&F in repair hot water storage tank of food grade stainless steel 100 ltr capacity with heat exchanger having thermic fluid / Anti - freeze solution complete suitable ETC (Evacuated Tube Collector) solar water heating system including opening the outer body removing the glass wool, fixing the tank and flling the glass wool as before, re-installing the outer body, connecting the inlet and outlet connection, air vent, replacing the inlet/ outlet nipple complete all as specified and directed by Engineer-in-charge.

S&F in repair hot water storage tank of food grade stainless steel 200 ltr capacity with heat exchanger having thermic fluid / Anti - freeze solution complete suitable FPC (Flat Plate Collector) solar water heating system including opening the outer body removing the glass wool, fixing the tank and flling the glass wool as before, re-installing the outer body, connecting the inlet and outlet connection, air vent, replacing the inlet/ outlet nipple complete all as specified and directed by Engineer-in-charge.

S&F in repair hot water storage tank of food grade stainless steel 500 ltr capacity with heat exchanger having thermic fluid / Anti - freeze solution complete suitable FPC (Flat Plate Collector) solar water heating system including opening the outer body removing the glass wool, fixing the tank and flling the glass wool as before, re-installing the outer body, connecting the inlet and outlet connection, air vent, replacing the inlet/ outlet nipple complete all as specified and directed by Engineer-in-charge.

Supply and fix as in replacement, solar evacuated glass tube including water seal gasket (top and bottom) suitable for 100/200/300 Ltrs Solar water heater complete all as per existing size and shape as specified and directed by Engineer-in-charge.

S&F in repair of rotational moulded polyethylene water storage tank 500 Ltrs capacity (Cylindrical vertical with closed top) hoisted and fixed in position including fly nut, tank nipples with check nuts and washers complete and making connections with existing water supply line including dismantling old PVC storage tank, all as specified.

M & L as in repairs submain wiring with two single core cables PVC FRLS insulated unsheathed 2.5 Sqmm stranded copper conductor drawn in existing conduit with and including PVC FRLS insulated 2.5 Sqmm stranded copper conductor cable as earth continuity conductor and connecting complete all as specified and directed by Engineer - in – Charge. Note : PVC cables two single core and one single core of sizes as mentioned will considered as one unit.

M & L as in repairs submain wiring with two single core cables PVC FRLS insulated unsheathed 4.0 Sqmm stranded copper conductor drawn in existing conduit with and including PVC FRLS insulated 4.0 Sqmm stranded copper conductor cable as earth continuity conductor and connecting complete all as specified and directed by Engineer - in – Charge. Note : PVC cables two single core and one single core of sizes as mentioned will considered as one unit.

M & L as in repairs submain wiring with two single core cables PVC FRLS insulated unsheathed 4.0 Sqmm stranded copper conductor drawn in PVC conduit fixed on walls/ceilings with and including PVC FRLS insulated 4.0 Sqmm stranded copper conductor cable as earth continuity conductor and connecting complete all as specified and directed by Engineer - in – Charge. Note : PVC cables two single core and one single core of sizes as mentioned will considered as one unit.

M & L as in repairs submain wiring with two single core cables PVC FRLS insulated unsheathed 6.0 Sqmm stranded copper conductor drawn in PVC conduit fixed on walls/ceiling with and including PVC FRLS insulated 6.0 Sqmm stranded copper conductor cable as earth continuity conductor and connecting complete all as specified and directed by Engineer - in – Charge. Note : PVC cables two single core and one single core of sizes as mentioned will considered as one unit.

S & F in repair of Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe 20mm dia.

S & F in repair of Ball valves high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe 15mm dia.

Supply and fix, in repair of Gun - metal globe or gate valve with iron wheel head, screwed both ends for iron pipes and for unions and fixing including taking down existing unserviceable valves complete all as specified and directed for the size 20mm dia

Supply and fix, in repair of Gun - metal globe or gate valve with iron wheel head, screwed both ends for iron pipes and for unions and fixing including taking down existing unserviceable valves complete all as specified and directed for the size 15mm dia

Fabrication of stand for hot water storage tank /FPC (Flat Plate Collector) panel stand by using 60mmx60mmx6mm angle iron, bracings, supports, fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint including dismantling old rusted stand all as directed by Engr-in-Charge

M &L for cement concrete PCC 1:2:4 type B1 (using 20 mm aggregrate) as coping complete all as specified and directed

Supply and lay in repair of GI pipe, medium grade ISI mark with all fittings laid in wall including taking up or down old GI tubing complete all as specified and as directed for the sizes 20mm bore

Supply and lay in repair of GI pipe, medium grade ISI mark with all fittings laid in wallc including taking up or down old GI tubing omplete all as specified and as directed for the sizes 15mm bore

Supply and lay in repair of GI pipe, medium grade ISI mark with all fittings laid in wall including taking up or down old GI tubingcomplete all as specified and as directed for the sizes 25mm bore

S&F in replacement PVC connection 15 mm bore size with PTMT nuts,rubber washers etc complete of length 450 mm long complete all as specified. Make: Prayag/Polytuf or equivalent

S&F in replacement PVC connection 15 mm bore size with PTMT nuts,rubber washers etc complete of length 600 mm long complete all as specified. Make: Prayag/ Polytuf or equivalent

S&F in replacement PVC connection 15 mm bore size with PTMT nuts,rubber washers etc complete of length 900 mm long complete all as specified.

Taking down geysers of any make & size from existing position of any height for repair, maintenance and refixing the same after neccesary repair complete all as directed. Notes (i) The defective parts to be replaced and shall be measured and paid separately under relevant item of Sch . (ii) Cost of minor items i.e. Screws, nut & bolts, indicator lamps, mounting bolt & nut etc shall be deemed to be included in the above item.

S&F in replacement heating element 2.0 KW, ISI marked with gasket, nuts, bolts suitable for the existing triangular/round shape/make of the geyser under repair complete all as specified.

S&F in replacement heating element 1.5 KW, ISI marked with gasket, nuts, bolts suitable for the existing triangular/round shape/make of the geyser under repair complete all as specified.

S&F in replacement thermostat (ISI marked) suitable for existing make of the geyser under repair of cap 50/25 Ltrs complete all as specified.

S&F in replacement geyser safety valve (pressure release valve) for the existing make & capacity of geyser complete all as specified.

M&L for painting of geyser of any cap 25/50 Ltr with 2 coats of synthetic enamelled paint after scraping the existing old painted surface complete all as directed.

S&F in replacement syphon assembly suitable for 25 ltr geyser

S&F in replacement syphon assembly suitable for 50 ltr geyser

S&F in replacement inner tank made up of stainless steel conforming to IS suitable for 25 ltr geyser vertical type including rubber gasket complete all as specified and directed.

S&F in replacement inner tank made up of stainless steel conforming to IS suitable for 50 ltr geyser vertical type including rubber gasket complete all as specified and directed.

S&F in replacement outer body made up of steel duly painted including base cover and indicator assembly suitable for 25 ltr geyser complete all as specified and directed.

S&F in replacement outer body made up of steel duly painted including base cover and indicator assembly suitable for 50 ltr geyser complete all as specified and directed.

S&F in replacement Glass wool filling in between inner tank and outer body of geyser of any make and type complete all as specified and directed.

S&F in replacement 3 core PVC insulated PVC sheathed flexible copper wire multistranded of size 2.5 sqmm complete all as specified and directed.

S&F in replacement plug top 3 pin, 15 Amp rating ISI Marked Make : Anchor or equivalent

Devi Engineeing

M/S PRASHANT BENIWAL

Lalit and Brothers