Repair/replacement to solar water heating system, connected works and E/M installation at YOL Mil Stn

Amount

Taking down carefully from roof of building and opening of solar collector including dismantling complete and washing and cleaning complete with acid and refixing the same, complete all as specified and directed.

Rubber flange of 25mm including nut bolts and screw as required at site fixed in repair, complete all as specified directed by Eng-In-Charge.

Taking down damaged collector carefully from roof of building and transporting to civil repairing shop for reparing, supply and fixing of broken foil sheet, solar collector, copper pipe, fins, absorber material, collector box, tubes, absorber flanges, reflective foil, CPCV pipes, insulation complete etc, including gas welding/brazing and complete testing complete all as specified directed by Eng-In-Charge.

Supply and fixing MS hot water tank 500 LPD 2.5mm thick marine grade coating 50mm puf insulated with SS Heat Exchanger, provn of of 3KW Electric connection with outer shell be made of PPGI 0.45mm thick sheet, including dismantling old tank, complete all as specified and directed.

Supply and fixing MS hot water tank 300 LPD 2.5mm thick marine grade coating 50mm puf insulated with SS Heat Exchanger, provn of of 3KW Electric connection with outer shell be made of PPGI 0.45mm thick sheet, including dismantling old tank, complete all as specified and directed.

Supply and fixing MS hot water tank 100 LPD 2.5mm thick marine grade coating 50mm puf insulated with SS Heat Exchanger, provn of of 3KW Electric connection with outer shell be made of PPGI 0.45mm thick sheet, including dismantling old tank, complete all as specified and directed.

Repair to existing angle iron tank stand by welding and shifting to other location, properly grouting in PCC M-15, type B-1 using 20mm graded crushed stone aggregate with necessary excavation and earth work including preparing surfaces of stand and applying two coats of synthetic enamel black paint over a coat of red oxide primer to desired shade as approved by Eng-in-Charge complete all as specified.

Supply and fixing PVC float valve of size 15mm, complete all as specified and directed.

Supply and fixing PVC float valve of size 20mm, complete all as specified and directed.

Gun metal globe or gate valves (ISI-marked) with iron wheel head, screwed both ends for iron pipe 15mm bore and fixed in repair, complete all as specified and directed.

Gun metal globe or gate valves (ISI-marked) with iron wheel head, screwed both ends for iron pipe 20mm bore and fixed in repair, complete all as specified and directed.

Mild steel galvanised iron water tubing in replacement of 15mm bore with screwed & socket joints, medium grade, in short lengths, with and including all fittings, such as sockets, bends, elbows, unions, tees, diminishing pieces etc. fixed to wall or ceiling or laid in floor complete, including taking down old pipe, complete all as specified and directed.

Mild steel galvanised iron water tubing in replacement of 20mm bore with screwed & socket joints, medium grade, in short lengths, with and including all fittings, such as sockets, bends, elbows, unions, tees, diminishing pieces etc. fixed to wall or ceiling or laid in floor complete, including taking down old pipe, complete all as specified and directed.

Rotational moulded three layered polyethylene water storage tank 500 Ltrs capacity (Cylinderical vertical with closed top) hoisted and fixed in position with PVC float ball valve 20mm dia with polythene float and fly nut, tank nipples 02 nos with check nuts and washers complete and making connections with existing water supply line including dismantling old cemented/ asbestos water/PVC storage tank, complete all as specified and directed.

Rotational moulded three layered polyethylene water storage tank 300 Ltrs capacity (Cylinderical vertical with closed top) hoisted and fixed in position with PVC float ball valve 20mm dia with polythene float and fly nut, tank nipples 02 nos with check nuts and washers complete and making connections with existing water supply line including dismantling old cemented/ asbestos water/PVC storage tank, complete all as specified and directed.

Rotational moulded three layered polyethylene water storage tank 100 Ltrs capacity (Cylinderical vertical with closed top) hoisted and fixed in position with PVC float ball valve 20mm dia with polythene float and fly nut, tank nipples 02 nos with check nuts and washers complete and making connections with existing water supply line including dismantling old cemented/ asbestos water/PVC storage tank, complete all as specified and directed.

Toughened glass, 6mm thick, of size 6x4 inches frosted finish, hose pipe and clamps with glass beadings as required at site, including taking out old damaged glass including protection devices, making good, complete all as specified and directed.

Opening dismantling and taking down of hot water tank of 500 LPD for repair to damaged hot water tank with Argon welding complete testing including replacement of PUF glass wool of damaged parts, cutting breaking, welding, brazing of new sheet of suitable size of tank and ensuring the testing in accordance with IS coded IS-12976, complete all as specified and directed.

Opening dismantling and taking down of hot water tank of 300 LPD for repair to damaged hot water tank with Argon welding complete testing including replacement of PUF glass wool of damaged parts, cutting breaking, welding, brazing of new sheet of suitable size of tank and ensuring the testing in accordance with IS coded IS-12976, complete all as specified and directed.

Opening dismantling and taking down of hot water tank of 100 LPD for repair to damaged hot water tank with Argon welding complete testing including replacement of PUF glass wool of damaged parts, cutting breaking, welding, brazing of new sheet of suitable size of tank and ensuring the testing in accordance with IS coded IS-12976, complete all as specified and directed.

Supply and fixed in repair solar heater elements of capacity 3 KW with gasket, complete all as specified and directed.

Supply and fixed in repair solar heater elements of capacity 5 KW with gasket, complete all as specified and directed.

Supply and fixed in repair thermostat of capacity 0 to 800 for upt 5 KW element including taking down old unserviceable thermostat of any capacity, complete all as specified and directed.

Supply and laying or fixing or passing through pipe, 1100 volts grade heavy duty cable with PVC insulated aluminium conductor served with an inner sheathing of PVC tape armoured with galvanised steel wire or tape and overall PVC sheathed 10 sqmm 2 core nominal cross section in service connections, including taking out old cable, complete all as specified and directed.

M&L for fabricating iron angle stand by welding alongwith coating the surface with metal oxide primer, suitable for 500/300/100 ltrs solar water tank, including taking down old, complete all as specified and directed.

Supply and fixing Makeup tank for solar water heater 100/200 ltrs, complete all as specified and directed.

Supply and fixing NRV of Makeup tank for solar water heater 100/200 ltrs, complete all as specified and directed.

Supply and fixing GI Elbow 15mm, complete all as specified and directed.

Supply and fixing GI Elbow 20mm, complete all as specified and directed.

Supply and fixing GI Tee 15mm, complete all as specified and directed.

Supply and fixing GI Tee 20mm, complete all as specified and directed.

Supply and fixing GI Socket 15mm, complete all as specified and directed.

Supply and fixing GI Socket 20mm, complete all as specified and directed.

Supply and fixing GI Union 15mm, complete all as specified and directed.

Supply and fixing GI Union 20mm, complete all as specified and directed.

Supply and fixing GI Nipple 20x80mm, complete all as specified and directed.

Supply and fixing GI Nipple 20x100mm, complete all as specified and directed.

Supply and fixing GI Nipple 20x150mm, complete all as specified and directed.

Supply and fixing GI Tank Nipple 15mm, complete all as specified and directed.

Supply and fixing GI Tank Nipple 20mm, complete all as specified and directed.

Sheet metal enclosures factory made for DBs when MCBs to be used, single pole and neutral, 2 way, 240 volts with 200 Amp rated bus bar, complete all as specified and directed.

MCB SPN 6 to 32 Amp, 240 Volts, 10 KA, C series including taking out old, complete all as specified and directed.

Excavation in post holes (or similar holes) each n.exc. 0.5 cum getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25cm, watering and removing surplus soil to a distance not exceeding 50m, in hard/dense soil and making good surfaces, complete all as specified and directed .

Plain cement concrete, M-7.5 (Nominal Mix) type D-2 (using 40 mm graded crushed stone aggregates) as in foundation, filling and mass concrete etc, complete all as specified and directed .

Rolled mild steel work as in posts & struts in fencing using angle, iron or other sections, including cutting tops to shape as directed, drilled holes, notching for wire etc, flat iron fillets (for securing wire mesh etc) including all necessary drilling, bolting and riveting etc and similar work conforming to Fe-290, Gde E-165, complete all as specified and directed. Note : Unit rate is also included locking holes after fixing of barbed wire and welding to bent portion as directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts etc. including provision of binding wire complete.

Supply only chain link hot dipped galvanised fencing, any type or size

S & F for 10 mm dia of neck and length exc. 5 cm but n. exc. 10 cm mild steel screw bolts (machine made) with hexagonal or squre head at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and one hexagonal or square nut

S & F for mild steel framed work as in doors or gates of angle or other section (Fe 410-W Gde-E-250 Quality -A) with gusset plates, rails,braces etc complete drilled for fixing of sheet or other covering. Doors etc to be prepared for hanging or sliding with and including either hooks and hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails and guides) and hanging, also fastening and fixing complete.

Preparetion of new steel surfaces and applying two coats of synthetic enamel paint, over a coat of red oxide complete all as specified.

M&L for 25mm thick PCC 1:2:4 type B-0 (using 12.5mm graded stone aggregate) as in flooring complete all as specified.

M&L for preparation of old plastered surface of walls and applying two coats of oil bound distemper to achieve smooth surface complete all as specified and as directed.

M&L for preparation of old plastered surface of walls and applying two coat of cement base paint over a coat of primer complete all as specified and as directed.

Construction of platform of size 3000 x 2500 x 1200 mm for installation of transformer with brick steps on one side, chain link fencing around transformer, fencing should have hinged door and locking arrangements complete all as per Drg No. CEPZ/C-TD/002/13 including dimantling old damaged ptaform all as specified and directed by Engr-in-Charge.

Loose filling with graded crushed stone aggregate Supply and laying/spreading 20mm graded crushed stone aggregate at electrical sub station 4 pole/2 pole structure including brick work for rataining the aggregate complete all as specified & directed.

M & L Earthing complete with Galvanised steel earth plate electrode 60 cm x 60 cm x 6.30mm thick buried directly in ground to a depth not less than 2.25 mtr below normal ground level with top edge of earth plate at a depth not less than 1.50 mtr below ground level, earth plate surrounded by 15 cm thick packed layer of charcoal and common salt alternatively upto 90 cm and connected with and including GI strip of size 32x6 mm by means of bolts, nuts, check nuts and washers of GI. 40 mm bore GI pipe light grade from earth plate up to testing point for protection of strip and 20 mm bore GI pipe medium grade with wire mesh and funnel for watering including necessary excavation and earth work PCC chamber (1:3:6) type C-2 with RCC cover complete all as shown in electrical plate No 3 of MES schedule Part I of SSR Part I (2009) complete all as specified. NOTES:- (i) RCC pit cover shall be pre-cast of RCC (1:2:4) type B, 80 mm thick reinforcement with 8 mm TOR steel @ 100 c/c in lieu of CI cover and the rate includes in the unit rate of item. (ii) Earth electrode shall be protected upto test point using necessary arrangement with suitable size GI pipe and the rate includes in the unit rate of item. (iii) Earth pit chamber ,Name plate and RCC cover shall be painted with red paint over a primer coat and the rate includes in the unit rate of item.

S&F High performance IP66, 60W LED Street Light fixture with housing made of die cast aluminum with street optic lens and glass diffuser for uniform light distribution and inbuilt Surge Protection Device (SPD) suitable for bracket of dia Ø 35/40 mm on existing poles complete all as specified and directed. Make: Havells Cat Part No : ENDURASUNDOWNSL60WLED765PASYBOTG or Bajaj Cat Part No - ENXT P 72L WH PO PC SD MT or Orient Cat Part No : LSFT-060-C

Taking down old U/S Street Light fittings of any make or any capacity from the pole of 9 Mtr after disconnecting the electric connection carefully complete all as directed.

M/s Sheetal Associates (BID ID -3317083)

Dhani Builders (BID ID -3325096)

M/S MALHI CONSTRUCTIONS (BID ID -3325369)

PAWAN KUMAR GOVT. CONTRACTORS (BID ID -3316934)

Eshaan Construction Co. (BID ID -3325107)