CA No. GE (I) (AF)/SHL/ 2020-2021 REPAIRS/REPLACEMENT OF STORAGE TYPE WATER HEATERS (GEYSERS) AND EXHAUST FANS WITH ALLIED WORKS AT AF STATION LIATKOR PEAK UNDER GE (I) (AF) SHILLONG

Amount

Note : All unserviceable materials obtained out of demolition/dismantling/taking down (other than those for which credit catered under Schedule of credit) shall be disposed of outside MoD Land. Quoted rates against respective item shall deemed to include for same.

M & L for Taking down water storage heater (Geysers) of capacities 25 Ltr/35 Ltr/50 Ltr from existing position by disconnecting inlet and outlet pipes, vent pipe, electrical connection, bringing the Geyser to AGE E/M Storeyard at Laitkor Peak, dismantling Geyser for repairs, descaling/cleaning of inner tank vessel by coir/steel brushes, cleaning of all accessories, checking for its functionality, carrying out repairs/replacement of unserviceable components, re-assembling of all parts/components (new or old serviceable) and re-installing at existing/new location as directed, making inlet and outlet pipes connections, vent pipe connection, electrical connection including replacement and grouting of nuts and bolts, washers, clamps etc and provision of 3 core flexible copper conductor cable of size 40 x 0.0076 for connecting Geyser to switch board in required length and testing complete all as specified and directed. Notes : (a) Cost of labour for replacement of new component in above Geysers shall be deemed to be included in quoted rates. (b) New spare parts/components shall be measured and paid as Supply only under respective items of BOQ here-in-after. (c) All cleaning operation and testing is to be carried out in AGE E/M Storeyard at Laitkor Peak, in presence of Engineer-in-Charge/Rep of Engineer-in-Charge.

Supply only Heating element with rubber gasket round/triangular type complete all as specified and directed of following capacities:-

1.5 Kilo Watt {Model/Make : Cat Part No 915797 of make Bajaj or equivalent model of makes listed in List makes}.

2.0 Kilo Watt {Model/Make : Cat Part No 915990 of make Bajaj or equivalent model of makes listed in List makes}.

Supply only Thermostate complete all as directed.

Supply only indicating lamp red/green square/round shape as per existing complete all as directed.

Supply only inner vessel/tank of copper for horizontal/vertical type Geyser with aluminium/CI rings complete all as specified and directed of following capacities:-

25 Litre capacity

35 Litre capacity

50 Litre capacity

Supply only apparatus plate assembly for horizontal/vertical type Geyser with gasket complete all as specified and directed of following capacities:-

25 Litre capacity

35 Litre capacity

50 Litre capacity

Supply only two pin and earth plug top for single pole and neutral enclosure 16 Amps, 240 Volts capacity with indicator complete all as directed.

Supply and fix in replacement Heating element with rubber gasket round/triangular type complete all as specified and directed of following capacities:-

1.5 Kilo Watt {Model/Make : Cat Part No 915797 of make Bajaj or equivalent model of makes listed in List makes}.

2.0 Kilo Watt {Model/Make : Cat Part No 915990 of make Bajaj or equivalent model of makes listed in List makes}.

Supply and fix in replacement Thermostate complete all as directed.

Supply and fix in replacement indicating lamp red/green square/round shape as per existing complete all as directed.

Supply and fix in replacement apparatus plate assembly for horizontal/vertical type Geyser with gasket complete all as specified and directed of following capacities:-

25 Litre capacity

35 Litre capacity

50 Litre capacity

Supply and fix in replacement two pin and earth plug top for single pole and neutral enclosure 16 Amps, 240 Volts capacity with indicator complete all as directed.

S & F in repairs 450mm long CP brass connection pipe with CP brass nuts on both ends for fixing to pipe or other fittings complete all as specified and directed.

S & F in repairs 450mm long nylon braided PVC connection pipe 15mm dia with CP brass nuts on both ends for fixing to pipe or other fittings complete all as specified and directed.

S & F in repairs 15mm bore bib tap cast copper alloy fancy type chromium plated long body with crutch or butterfly handle screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed.

Taking down the existing unserviceable submain wiring any size and any description including conduits and S & F for submain wiring with 2 single core PVC insulated & PVC unsheathed FRLS-H cable 1100 Volt grade with 06 Sqmm copper multistranded conductor drawn through and including PVC conduit 25mm bore concealed in walls/ceilings/roofs including 6 Sqmm single core multistranded copper conductor 1100 volts grade PVC insulated and unsheathed FRLS-H cable as earth continuity conductor to common earth and connecting to earth dolly complete all as specified and directed. Note: - (i) Two runs of main cable, one run of earth continuity conductor and one run of conduit will be measured and paid as one length only. (ii) The rate quoted shall deemed to include for cutting chases for concealing PVC conduit and making good disturbed surfaces.

S & F in repairs switch piano flush type 15/16 Amps, single pole, one way, 230 Volts complete all as specified and directed.

S & F in repairs single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB 'C' Series 20 Amps, 240 Volts complete all as directed.

M & L for Taking down water storage heater (Geysers) of capacities 25 Ltr/35 Ltr/50 Ltr from existing position by disconnecting inlet and outlet pipes, vent pipe, electrical connection, bringing the Geyser to AGE E/M Storeyard at Laitkor Peak, complete removal of old paint by paint removers or by blow lamps and cleaning with scrappers, any numbers of coats, any width or girth, applying necessary filler coat and stopping as required, thereafter preparing surfaces applying two coat of heat resistant synthetic enamel paint of colour as directed by spray painting over a coat of red oxide primer and re-installing at existing/new location as directed, making inlet and outlet pipes connections, vent pipe connection, electrical connection complete all as specified and directed.

Supply, installation & testing electric water storage heater (Geyser) of capacity 25 litre, vertical mounting type, (BEE Five star rated) rated power input 1000 W/2000 W/ 3000 W for Eco mode, Smart mode & Turbo mode respectively, Incoloy glass coated heating element, anode rod, suitable for 230V Single Phase 50 Hz AC supply, 0.8Mpa high working pressure withstanding capacity, IPX-4 protection, Class-I, with & including Thermostat with Thermal Cutout, heating indicator, Multi functional valve (acts as pressure release valve, non-return valve, expansion valve and vacuum release valve), fixed all as per manufacturer’s instructions, fixed with & including ‘Anchor’ type /fastener type bolts & nuts (Set of 4 bolts of 10mm dia 150mm long with nuts & washers) into the wall grouted properly to hold the geyser and making good the disturbed surface as original, complete all as specified & directed. {Model/Make : Model PURO TURBO DX GHWAPXTIV025 of make Havells or equivalent model of makes listed in List makes}.

Supply, installation & testing electric water storage heater (Geyser) of capacity 50 litre, horizontal mounting type, (BEE Five star rated) rated power input 2000 W, Incoloy glass coated heating element, anode rod, suitable for 230V Single Phase 50 Hz AC supply, 0.8Mpa high working pressure withstanding capacity, IPX-4 protection, Class-I, with & including Thermostat with Thermal Cutout, heating indicator, Multi functional valve (acts as pressure release valve, non-return valve, expansion valve and vacuum release valve), fixed all as per manufacturer’s instructions, fixed with & including ‘Anchor’ type /fastener type bolts & nuts (Set of 4 bolts of 10mm dia 150mm long with nuts & washers) into the wall grouted properly to hold the geyser and making good the disturbed surface as original, complete all as specified & directed. {Model/Make : Model MONZA EC H GHWVMESWH050 of make Havells or equivalent model of makes listed in List makes}.

M & L for taking down carefully Exhaust fans (any make) upto 450mm sweep by diconnecting from ceiling rose/connectors, inspecting the same complete servicing of fans by cleaning, oiling and greasing & testing and and re-installing at same/other location as directed complete all as specified and as directed

Dismantling carefully Exhaust fans (any make) for cutting down and removing old copper winding wire and rewinding the same with new super enamelled copper winding wire of suitable size including provision of insulation by insulating paper, varnishing, oiling & greasing, necessary threading/sleeve work etc. complete and reassembling the exhaust fan including testing & replacement of PVC flexible copper cable of size 3 core, 23/0.0076 Sqmm and re-installing at same/other location as directed complete all as specified and as directed for following sizes :-

200mm sweep

300mm sweep

450mm sweep Notes : (a) Cost of labour for replacement of new component in above Exhaust fans shall be deemed to be included in quoted rates. (b) New spare parts/components shall be measured and paid as Supply only under respective items of BOQ here-in-after.

Supply only ball bearing for exhaust fans complete all as specified and as directed for following sizes :-

200mm sweep

300mm sweep

450mm sweep

Supply only capacitor for exhaust fans complete all as specified and as directed of following capacities:-

Supply only Gun metal bushes suitable for exhaust fans upto 450mm sweep complete all as specified and as directed.

Supply and fix in replacement ball bearing for exhaust fans complete all as specified and as directed for following sizes :-

200mm sweep

300mm sweep

450mm sweep

Supply and fix in replacement capacitor for exhaust fans complete all as specified and as directed of following capacities:-

Supply and fix in replacement Gun metal bushes suitable for exhaust fans upto 450mm sweep complete all as specified and as directed.

M & L for scraping out of old paint from the body and blades of Exhaust Fans of 225mm to 450mm sweep, filling in cavities with approved filler and M&L for spray painting with two coat of synthetic enamelled paint first quality over a coat of red oxide primer on the body and blades and writing MES No on the body of exhaust fan with black synthetic enamelled paint all as directed.

S & F exhaust fan of 300mm sweep,metal body, heavy duty, double ball bearing, 1400 RPM, 70 watt, 4 blades, air delivery 1770 m3 /h, suitable for SP 230/250 Volts, 50 Hz AC supply complete with louver shutter including fixing/ grouting of frame & louvers in wall & connecting with and including 3 Nos 1.5 Sqmm single core, PVC insulated but unsheathed FRLS 1100 Volts grade cable with multistranded copper conductor from ceiling rose to fan complete all as directed. Model & Make : Model Ventilair DB of make Havells or equivalent model of Make Bajaj/ Crompton/Usha/Orient

S & F exhaust fan of 200mm sweep, High quality engineering plastic body, 1350 RPM, 32 watt, air delivery 520 m3 /h, suitable for SP 230/250 Volts, 50 Hz AC supply & connecting with and including 3 Nos 1.5 Sqmm single core, PVC insulated but unsheathed FRLS 1100 Volts grade cable with multistranded copper conductor from ceiling rose to fan complete all as directed. Model & Make : Model Ventilair DX of make Havells or equivalent model of Make Bajaj/ Crompton/Usha/Orient

M/S DEEDAR ENTERPRISE

R K CONSTRUCTION