MISC REPAIR/REPLACEMENT AND MAINTENANCE OF CENTRAL AC PLANTS AND CONNECTED WORKS AT METCALFE HOUSE AND JCB UNDER GE I RND DELHI

Amount

Supply, Installation, commissioning and testing condensing coil for 3 x 210 TR AC Plant Make : YORK Model No. YVAA0263 including installation of New coil with Brazing, Vaccuming including taking down old userviceable condensing coil as per existing OEM.

M&L Epoxy protective coating on Copper piping system, headers (Discharge line, Liquid line, all open fittings of copper, suction line etc) for 3 x 210 TR AC plant Make : YORK Model No. YVAA0263 as per OEM. Note: Measure 1 circuit of chiller for 1 unit.

Supply and charging the refrigerant R-134a/410 for 3 x210 TR chiller type AC plant Make : YORK Model No. YVAA0263 including testing complete all as specified and directed.

S&F in repair of Coolant for topping up of compressor for 3 x 210 TR AC plant Make : YORK Model No. YVAA0263 as per OEM all as specified and directed.

S&F in repair of Compressor oil (YORK OIL, L5 Gal Pail) for 3 x 210 TR AC plant Make : YORK Model No. YVAA0263 complete all as specified and directed.

M&L for Servicing of complete AC plant 3x210 TR Model No. YVAA0263 including electrical panels, VSD Panels & setting of all parameters all as per OEM complete all as specified and directed.

S&F in repair FILTER DRIER 3/8 0RFS for 3 x 210 TR AC Plant Make : YORK Model No. YVAA0263 As per existing OEM for each circuit all as specifed and directed. Note: Measure 1 circuit as 1 unit.

S&F CTG DEHY 100 PERCENT MOLECULAR for dehydrator for refrigrant circuit for 3 x 310 TR AC Plant Model No. YVAA0263 all as specified and directed.

Pressure testing with Application of Nitrogen Gas and replacement of Spares/Cosumable for 01 Chiller application to find out any leakage, brazing and stopping of all leakage detected, re-application of nitorgen pressure to ensure leak proof gas circulator system flushing out the nitrogen gas complete all as specified and directed.

M&L for overhauling of pump and motor 20 HP capacity by opening up and cleaning of all parts such as impeller , rotor, stator, fan cover, greasing including replacing all unserviceable/damaged part like impeller, bearing bush, seal, shaft, coupling, machine, work etc and reconnecting back and testing complete all as specified and directed.

Disconnecting, dismantling and strip opening of the existing air handling unit of any description and in any position and of capacity of 5500 CFM to 15500 CFM for overhauling and servicing, including cleaning of cooling coils with chemical including taking out existing shaft, blower drum, pulley and de-humidifier pump etc of air handling unit, checking thoroughly serviceability of the parts, fixing the serviceable parts in positiion, replacement of the defective/non functional/unserviceable parts/spares, reassembling, commissioning, fixing in position and testing of the air handling unit on full load for its smooth and trouble free operation complete all as specified & directed. Note : Spare parts i.e V- belt, filters for AHU, Bearing & pulley are measured and paid separately under respective items

S&F in repair of Bearing and bearing hub as per existing size suitable for AHU 5500 CFM to 15500 CFM complete all as specified and directed.

S&F in repair of metal pulley with hub as per existing size suitable for AHU 5500 CFM to 15500 CFM complete all as specified and directed.

S&F in repair of V belt of size A42 complete all as specified and directed.

S&F in repair of V belt of size A43 complete all as specified and directed.

S&F in repair of V belt of size A46 complete all as specified and directed.

S&F in repair of V belt of size A48 complete all as specified and directed.

S&F in repair of V belt of size A49 complete all as specified and directed.

S&F in repair pre filter section with 50mm thick with GI frame metal viscous/ washable synthetic type air prefilters (EU-3, 90% down to 10 micron), fine filter (EU-7, 99% down to 3 micron) as per existing size (600mm x 600 mm) and as per OEM specification Make of AHU : Carrier complete all as specified and directed.

Supplying, laying/ fixing, testing and commissioning of chilled water piping plumbing 150 mm dia MS pipes 'A' class heavy grade (75 mm insulation) inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated PUF moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date) at joints repairing of damage to building etc. as per specifications and as required including taking down complete all as specified and directed.

S&F in repair 125 mm dia MS pipes (50 mm insulation)

S&F in repair 100 mm dia MS pipes (50 mm insulation)

S&F in repair 80 mm dia MS pipes (50 mm insulation)

S&F in repair 65 mm dia MS pipes (50 mm insulation)

S&F in repair 50 mm dia MS pipes (50 mm insulation)

Supply, installation,testing and commissioning of "B" class GI drain piping 80 mm dia complete with fitting etc & 25 mm thick PUF insulation with sealing tapes & 28 G Aluminium cladding complete all as specified and directed.

M&L for Insulation of MS Pipe 40 mm dia with PUF slab 30 mm thick with and including applying bituminuous compound and GI cladding with 26 gauge GI sheet complete of sizes as shown including taking down complete all as specified and directed.

All as per ser item No. 27.00 above but for 50 mm dia.

All as per ser item No. 27.00 above but for 65 mm dia.

M&L for Insulation of MS Pipe 80mm dia with PUF slab 50 mm thick with and including applying bituminuous compound and GI cladding with 26 gauge GI sheet complete of size as per site including taking down complete all as specified and directed.

All as per ser item No. 30.00 above but for 100 mm dia

All as per ser item No. 30.00 above but for 125 mm dia

All as per ser item No. 30.00 above but for 150 mm dia

Supplying, fixing, testing and commissioning of BUTTERFLY VALVE 150 mm dia (MANUAL) with CI body SS Disc, Nitrile Rubber Seal & O- Ring PN 1.60 pressure rating for chilled water/hot water circulation as specified valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications including taking down complete all as specified and directed.

All as per ser item No. 34.00 above but for 125 mm dia

All as per ser item No. 34.00 above but for 100 mm dia

All as per ser item No. 34.00 above but for 80 mm dia

All as per ser item No. 34.00 above but for 65 mm dia

All as per ser item No. 34.00 above but for 50 mm dia

Supply and fix BALANCING VALVE 125 mm dia WITH BUILT IN MEASURING FACILITY with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 1.60 pressure rating for chilled / hot water circulation including taking down complete all as specified and directed.

All as per ser item No. 40.00 above but for100 mm dia

All as per ser item No. 40.00 above but for 80 mm dia

All as per ser item No. 40.00 above but for 65 mm dia

All as per ser item No. 40.00 above but for 50 mm dia

S&F in repair Y- STRAINER 125 mm dia of Ductile/CI Body flanged ends with stainless steel strainer for chilled/hot water circulation including insulation as specified.

All as per ser item No. 45.00 above but 100 mm dia

All as per ser item No. 45.00 above but 80 mm dia

All as per ser item No. 45.00 above but 65 mm dia

All as per ser item No. 45.00 above but 50 mm dia

All as per Item No 50.00 above but 50 mm dia

S&F in repair Bellows type rubber expansion joints 125 mm dia for Chilled water piping located at Pump inlet & exit, AHU inlet & exit and at chiller inlet & exit. Complete with double bellows, tie rods, MS flanges, necessary hardware and gaskets etc. with insulation complete all as specified and directed.

All as per ser item No. 52.00 above but 100 mm dia.

All as per ser item No. 52.00 above but 80 mm dia.

All as per ser item No. 52.00 above but 65 mm dia.

All as per ser item No. 52.00 above but 50 mm dia.

S&F in repair industrial type pressure gauge with SS-304 valves complete as required.

S&F in repair mercury in glass industrial type thermometers.

Supply, installation,testing and commissioning of proportional type cooling and heating thermostat for the various Air Handling Units complete with required control wiring/installation kit etc. including taking down complete all as specified and directed.

Supply, fabricating and installing perforated M.S cable trays of size 50mm x 450mm x 50mm, 2 mm thick including horizontal and vertical bends, reducers, tees, cross members and other accessories as required, and duly suspended from the ceiling with M.S suspenders, painting etc. including taking down complete all as specified and directed.

All as per above Item 60.00 above but of size 50mm x 300mm x 50mm.

All as per above Item 60.00 above but of size 50mm x 200mm x 50mm.

All as per above Item 60.00 above but of size 50mm x 150mm x 50mm.

M&L for laying in duct insulated, armoured heavy duty XLPE electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 240 sq. mm 3.5 core as main power cable to chiller control panel complete all as specified and directed.

M&L for laying in duct insulated, armoured heavy duty XLPE electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 120 sq. mm 3.5 core as main power cable to hot water generator complete all as specified and directed.

S&F in repair glossy sign board made of stainless steel for Central AC plant 3x 210 TR and 3 x 10 TR installation size 2.5X1.5 (LxW) as per sample the `Military Engineering Services, MES logo and plant details to be written on the board including necessary excavation, PCC work in 1:2:4, and providing SS pole 50mm dia 2x2 mtr high above ground level, complete all as specified and directed Note : Details of plant to be written on board shall be as directed by Engineer-in-Charge.

M&L for overhauling of pump and rewinding of electric motor with super enamelled copper winding wire of existing gauge of capacity 20 HP by opening up and cleaning of all parts such as impeller , rotor, stator, fan cover, greasing including replacing all unserviceable/damaged part like impeller, bearing, bush, seal, shaft, coupling, machine work etc and reconnecting back and testing complete all us specifiedand directed. Note: Damaged parts required for replacement shall also be deemed to be included in unit rates.

M&L for overhauling of electric motor and blower of AHU including rewinding with super enamelled copper winding wire of existing gauge of capacity 5 to 7.5 HP by opening up and cleaning of all parts such as impeller, rotor, stator, fan cover, greasing including replacing all unserviceable/damaged part like impeller, bearing, bush, seal, shaft, coupling, machine work etc and reconnecting back and testing complete all us specifiedand directed. Note: Damaged parts required for replacement shall also be deemed to be included in unit rates.

M&L for Supply,aessembly and erection of PGI sheet with TDF flange rectangular/square duct made out of 'L' shaped hollow profile, duly factory boxed incl all accessories such as Corner, Cleat,Carriage bolt, Gasket and appropriate sealant on longitudinal joints of size 24 guage etc including taking down old rusted duct.specifications.

M&L for duct insulation with resin bonded fibre glass wool roll of density 24 Kg /Cum and 50mm thickness with factory laminated aluminium vapour barrier , thickness of insulation as specified and including the following:- (a) Cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc. to make the surface completely free of mill scale, durt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage. (b) Applying rubber based adhesive CPRX compound. (c) Sealing of all longitudinal joints and circular overlaps with and including aluminium foil tape 50 mm wide, to make the insulation leakproof. (d) Securing the insulation with and including mechanically fastened nylon / steel straps of size 12mm / 50mm at maximum intervals of 1.2 mtr.

M&L for painting of all metal surfaces of Cetral AC plant 3x210 TR with spray gun with two coats of synthetic enamel heat resistant paint matching to existing colour over a coat of red oxide primer including preparation of old painted surfaces/removing old faded/rust/ cemented material of surface of complete all as specified and directed.

M&L for painting of Cetral AC plant 3x10 TR with spray gun with two coats of synthetic enamel heat resistant paint matching to existing colour over a coat of red oxide primer including preparation of old painted surfaces/removing old faded/rust/cemented material of surface complete all as specified and directed.

S&F in repair of mild steel work i.e angle, flat etc for supporting chilled water pipe, condesing pipe, base channel for pump motor or any other requirement at site including necessary fabrication, welding nuts & bolts including painting with two coats of synthetic enamelled paint over a coat of red oxide primer including preparation of new surface complete all as specified and directed.

S&F in repair of MCCB 630 Amps 4 Pole breaking capacity 50KA complete all as specified and directed.

S&F in repair of power contactor of MNX - 45 three pole complete all as specified and as directed.

S&F in repair of HRC fuse link DIN type 400 Amps, 100 KA , 415 volt complete all as specified and as directed.

S&F in repair of HRC fuse link DIN type 80 Amps 100 KA , 415 volt complete all as specified and as directed.

Supply only digital Psychrometer with psycrometric chart - 01 Nos and Digital Anemometer-01 No complete all as specified and directed.

M&L for repair of hot water generator of capacity 20 KW in five banks complete with one slave bank controlled by semi conductor rectifier & other necessary controls, electrical panels including control wiring with 2.5 sqmm multistranded copper conductor FRLSH cable complete all as specified and directed etc.

Material and Labour for earthing complete with GI earth plate electrode 600mmx600mmx6mm thick burried in ground vertically to a depth not less than 2.25meters below ground level with top edge of the earth plate at a depth not less than 1.5 meter below the ground level, earth plate surrounded 15cm thick layers of common salt and charcoal dust starting from ground below 15 cm of earth plate and up to 15 cm above the same. GI plate connected with galvanised iron strip of 32x6 mm by means of Copper nuts, bolts and washers. Strip laid in 40mm dia light grade GI pipe as protection from top of the plate up to test point (cost of protection pipe up to 7.5 meters from earth electrode will be included in the rates quoted by the contractor) with following complete all as specified and shown in electrical plate No 3 of SSR Part-I & testing on completion :- (a) GI strip of size 32mm x 6mm. (b) Watering pipe GI light grade 20mm dia from top of the earth electrode up to MS funnel with wire mesh embeded in floor of PCC earth pit. (GI Funnel should properly tightned on GI watering pipe and embeded in PCC floor of earth pit with open top suitable for watering of earth pits). (c) Excavation & earthwork in any type of soil PCC earth pit 30x30x30cm constructed in PCC 1:2:4 type B1 exposed surfaces smoothly finished with 15mm thick cement mortar 1:6 plaster including RCC pit cover 50mm thick 1:2:4 type B1 reinforced with 8mm dia mild steel bar 75mm centre to centre with 2 Nos MS handles of 12mm dia suitable for carrying of pit cover.

M&L Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 32x6mm galvanised iron strip including taking down old unserviceable strip all as specified and directed.

Leo Air and Power Solution pvt Ltd.

Flint India

SNOWY ENGINEERING INC