REPAIR AND MAINT OF SOLAR WATR HEATER AND MISC WINTER APPLIANCES AT MIL STN SRI GANGANAGAR

Amount

Taking down electric water heaters (geysers) of capacity 25 Litres storage type, disconnecting of electric and water connections, taking out inner shell from outer cover, removing the thermostat switch, geyser element and geyser assembly, cleaning the inner shell (copper) with Mack solution including thermostat, geyser assembly and heating element, testing the inner tank for any leakage and rectification by soldering / brazing. Re - assembling the geyser and mounting on the grouted bolts and connecting with electric and water supply system and testing complete all as specified and directed by Engineer-in-Charge. (Note : Inner Shell, outer Cover, thermostat switch, geyser element and geyser assembly, bottom covers shall be measured and paid as supply only separately , if replaced as required).

All as per Srl Item No. 01 here in before but geyser of capacity 50 Litres complete all as specified and directed by Engineer-in-Charge.

Supply and fixng in replacement , heating plate assembly (nut size as per existing model) apparatus plate with PVC rubber ring suitable for 25 litres capacity water heater complete all as specified and directed by Engineer-in-Charge. (Make : As per model of Geyser.)

All as per Srl Item No. 03 here in before but suitable for 50 litres capacity complete all as specified and directed by Engineer-in-Charge.

Supply only, heating element triangle type, 1500 watt of suitable shape and size, confirming to ISI with rubber washers, with clamps complete all as specified and directed by Engineer-in-Charge.

All as per Srl Item No.05 here in before but 2000 watt complete all as specified and directed by Engineer-in-Charge.

Supply only, thermostat switch (long size) suitable for storage type geysers complete all as specified and directed by Engineer-in-Charge.

S&F in replacement thermostat switch capillary type , 4 terminals suitable for 50 Ltr Make Havells or equivilent type geyser all as directed by Engr-in-Charge.

S&F in replacement thermostat switch or heat controller cut out type , suitable for 25 Ltr Make Marc or equivilent type geyser all as directed by Engr-in-Charge.

S & F in replacement, heating element push type, 1500 watt of suitable shape and size, conforming to ISI with rubber washers, with clamps complete all as specified and directed by Engineer-in-Charge.

All as per Srl Item No.10 here in before but 2000 watt complete all as specified and directed by Engineer-in-Charge.

S & F in replacement, thermostat switch suitable for storage type geysers complete all as specified and directed by Engineer-in-Charge.

M & L for glass wool for insulation and packing around the inner shell of geysers complete all as specified and directed by Engineer-in-Charge.

S & F in replacement, PVC connection 15mm size with nickel plated brass adapter, both sides threaded, in standard length of 600 mm to suit the size of geysers complete all as specified and directed by Engineer-in-Charge.

M & L Spray painting to geysers of 25 litres capacity with one coat of synthetic enamel white paint externally after preparation of surfaces including writing MES numbers with black paint in 25mm font size letters, complete all as specified and directed by Engineer-in-Charge.

All as per Srl Item No.15 here in before but geysers of 50 litres capacity complete all as specified and directed by Engineer-in-Charge.

S & F in replacement, 3 core flexible copper conductor cable of size 2.5 sq mm complete all as specified and directed by Engineer-in-Charge.

S & F in replacement, solar plate made out of toughened glass of size 200cm x 103cm, thickness 6mm as per existing model complete all as specified and directed by Engineer-in-Charge. (Note: size may vary in CM).

S & F in replacement, solar heating element with inbuilt thermostat of 3000 Watt as per existing model complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in repair air release valve (weight type) as per existing modal suitable for solar water heater complete all as specified and directed by Engineer-in-Charge.

M & L lagging to 15mm bore galvanized iron tubing used in internal water supply or plumbing all round with 25mm thick banded mineral wood preformed “SNAPON” pipe sections of density 144 Kg/Cum conforming to IS-9842 including provision of chicken wire mesh netting 25 gauge, 20mm mesh and finally covered with 0.01mm aluminium foil complete all as specified and directed by Engineer-in-Charge.

M & L lagging to 20mm bore galvanized iron tubing used in internal water supply or plumbing all round with 25mm thick banded mineral wood preformed “SNAPON” pipe sections of density 144 Kg/Cum conforming to IS-9842 including provision of chicken wire mesh netting 25 gauge, 20mm mesh and finally covered with 0.01mm aluminium foil complete all as specified and directed by Engineer-in-Charge.

M&L for servicing of solar water heater capacity 200/300 LPD , washing/cleaning of toughned glass, checking and repairing of internal & external leakage (copper tubes,pipes tank & panels, tray) , tightended of loose wire connections , draining out collectors and pipes and pass through pipes out anti-rusting solution , hard water scales deposite descaled through acid , cleaning of storage water tank (steel & PVC), make up tank including dismataling inlet and outlet connecetion and re-fixing the same after cleaning for porper functioning to maintain enough water temp complete all as specified and directed by Engr-in-Charge. Note : contractor should under own arranges of climbing upto 2nd floor and necessary minor items such as tee, elbow , nipple , union , etc shall be incuded in item rate quoted by the contractor.

M&L to repair steel inner tank of capacity 200 Ltr to 300 Ltr capacity after removal from solar heater and further disconnecting off aluminum foil and glass wool and re-assembling the same after repair and re-fixing in position complete all as specified and directed by Engr-in-Charge.

S&F in repair MCB single pole 32 Amp (B-32) 240 volt with rupturing capacity not less than 10 kA complete all as specified and directed by Engineer-in-Charge.

S&F in replacement non return Gun metal valve of 15mm bore ISI marked complete all as specified and directed by Engineer-in-Charge.

Supply and fixing in replacement pressure release CP brass valve of 15mm bore ISI marked complete all as specified and directed by Engineer-in-Charge.

S&F in repair fastener mild steel 100 mm long x 10mm dia with pin and bolts complete for hanging of geyser and making good the disturbed surfaces including plastering and white washing complete all as specified and directed by Engineer-in-Charge.

S&F rotational moulded polyethylene water storage tank 250 ltrs capacity three layered (Cylindrical vertical with closed top) hoisted and fixed in position complete all as specified and directed by Engineer - in - Charge. Note : PVC tank shall be ISI marked.

S&F rotational moulded polyethylene water storage tank 500 ltrs capacity three layered (Cylindrical vertical with closed top) hoisted and fixed in position complete all as specified and directed by Engineer - in - Charge. Note : PVC tank shall be ISI marked.

S&F in repair GI tubing medium grade of size 15mm dia, laid in floor/roof including all GI fittings and cutting the existing pipe and making connection with new pipe including proper clamping with MS hooks all as specified & directed. Note: All necessary minor items tee, elbow , union should not paid separtely.

S&F CP Stop cock 15 mm dia external threaded complete all as specified and directed by Engr-in-Charge.

S&F in replacement heavy duty rubber hose pipe 50mm dia 3mm thick 1.2m long suitable for solar water heater application complete all as specified and directed by Engr-in-Charge.

M & L in replacement for concealed conduit point wiring complete for light/ fan on independent /combine board with cable 2.5 sqmm (Nominal area) FRLSH PVC insulated multistranded unsheathed copper conductor, drawn in and including PVC Concealed conduit pipe medium grade 20 mm dia, pipe hooks , elbows, juction covers and junction boxes , after cutting in wall chasing for conduits and sinking's for sunken cast iron/ pressed steel terminal boxes suitable length and thickness for mounting, switches, sockets,fan regulator with 3 mm thick plastic laminated sheet cover fixed with brass screwed and cup washers, duly grouting and painted with red oxide metal primer and making the good disturbed surfaces of wall in CM 1:3 with white wash or existing colour including provision of continuous earth continuity conductor along with point wiring of 2.5 sqmm copper PVC insulated cable for one SSC 15 Amp point controlled by one sw, complete all as specified and direced by the Engineer in charge.

S & F in replacement switch socket combination 6 Pin, 15/16 Amps flush type complete all as specified and directed by Engineer - in - Charge.

Supply only 15 Amp 3 pin Top plug all as directed by Engr-in-Charge.

S & F in replacement of sub-main wiring with two single core cables PVC insulated and un-sheathed 6 sqmm (Nominal Area) FRLSH stranded copper conductor drawn in concealed PVC conduict dia 20mm “medium quality” conduit including 6.00 Sq mm (Nominal Area) copper cable as earth continuity conductor after chasing in wall and making good the disturbed surfaces and white wash or existing colour , necessary junction box and covers including necessary connections, PVC flexible pipes are used in pannel board while connecting the cable complete all as specified and directed by Engineer - in - Charge. (Note : PVC cable and PVC conduit shall be ISI marked)

S&F in replacement fusible plug (dead nut) suitable for 25/50 Ltr Geyser as per site existence model of geyser all as directed by Engr-in -Charge.

S&F in replacement rigid non metaliic PVC conduit 20mm dia inclusive of all tees, bends , elbows ,reducers , bell mouth tube ends and complete with all fixing accessories such as couplers , lock nuts, saddles, pipe hooks etc all as specified and directed by Engr-in-Charge.

Note :(i) Amount of credit for retrieved materials is mentioned in Sch 'A' Section-II of tender documents in pdf form which will be deducted while acceptance of tender offline.

Bhavya Enterprises

Singla Electricals

MAJOR REFREGERATION AND ELECTRICALS