REPAIR/REPLACEMENT AND MAINTENANCE AND ANNUAL COMPREHENSIVE MAINTENANCE INCLUDING AMC FOR CENTRAL AC PLANT VRF SYSTEM INSTALLED AT SAG BLDG, DESIDOC BLDG and JCB BLDG AND CONNECTED WORKS OF METCALFE HOUSE AREA UNDER GE I RnD DELHI

Amount

Supply, Installation, commissioning and testing in replacement of inverter PCB for VRF system 4 x 16 HP & 2 x 18 HP as per existing OEM complete all as specified and directed.

Supply, Installation, commissioning and testing in replacement of Control PCB for VRF system 4 x 16 HP & 2 x 18 HP as per existing OEM complete all as specified and directed.

Supply, Installation, commissioning and testing in replacement of Power Transistor for VRF system 4 x 16 HP & 2 x 18 HP as per existing OEM complete all as specified and directed.

Supply, Installation, commissioning and testing in replacement of Divort Module for VRF system 4 x 16 HP & 2 x 18 HP as per existing OEM complete all as specified and directed.

M&L for repairing of old Indoor PCB for VRF system 4 x 16 HP & 2 x 18 HP as per existing OEM complete all as specified and directed.

S&F and testing in replacement of Indoor PCB for VRF system 4 x 16 HP & 2 x 18 HP as per existing OEM complete all as specified and directed.

Supply and charging the refrigerant R-410a for VRF system 4 x 16 HP & 2 x 18 HP as per existing OEM including Pressure testing with Application of Nitrogen Gas to find out any leakage, brazing and stopping of all leakage detected, re-application of nitorgen pressure to ensure leak proof gas circulator system and flushing out the nitrogen gas complete all as specified and directed.

Supply, fixing and testing in replacement of indoor unit & out door unit sensor for VRF system 4 x 16 HP & 2 x 18 HP as per existing OEM complete all as specified and directed.

Supply and charging the refrigerant R-22 for 2 x 11 TR as per existing OEM including Pressure testing with Application of Nitrogen Gas to find out any leakage, brazing and stopping of all leakage detected, re-application of nitorgen pressure to ensure leak proof gas circulator system and flushing out the nitrogen gas complete all as specified and directed.

Supply, installation and testing in replacement of Hermitically sealed scroll compressor 5.5 TR for package type AC plant 2 x 11 TR three phase running as per existing OEM complete all as specified and directed.

Supply, installation and testing in replacement of Hermitically sealed scroll compressor 8 HP three phase for 4 x 16 HP VRF system as per existing OEM complete all as specified and directed.

Supply, installation and testing in replacement of Hermitically sealed scroll compressor 9 HP three phase for 2 x 18 HP VRF system as per existing OEM complete all as specified and directed.

Supply, installation and testing in replacement of Hermitically sealed scroll compressor 7.5 TR three phase for 2 x 7.5 TR ductable AC unit as per existing OEM complete all as specified and directed.

Supply, installation and testing in replacement of Service valve for 2 x 7.5 TR ductable AC unit as per existing OEM complete all as specified and directed.

Supply, installation and testing in replacement of PCB for 2 x 7.5 TR ductable AC unit as per existing OEM complete all as specified and directed.

Supply, installation and testing in replacement of condensing fan motor with alloy aluminium fan blade complete for 2 x 7.5 TR ductable AC unit as per existing OEM complete all as specified and directed.

Supply, installation and testing in replacement of room sensor for indoor unit with remote control & temperature indicator complete for 2 x 7.5 TR ductable AC unit as per existing OEM complete all as specified and directed.

Supply, installation and testing in replacement of medium static ducted type indoor unit capacity 1.60 TR with pre filter, fan section with low noise level multi speed fan motor, coil section with DX coil, outer cabinet condensate drain pump, insulation, pipe connection, including necessary control wiring and external electric connection 2.5 Sqmm 3 core copper wire with sheet metal socket complete as per existing OEM complete all as specified and directed.

All as per item Ser No. 18.00 above but capacity 2.08 TR

All as per item Ser No. 18.00 above but capacity 2.60 TR

Disconnecting, dismantling and strip opening of the existing air handling unit of any description and in any position and of capacity of 19200 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 and directed. Note : Spare parts i.e V- belt, filters for AHU, Bearing & pulley are measured and paid separately under respective items.

Supply only bearing and bearing hub as per existing size suitable for AHU 19200 CFM complete all as specified and directed.

Supply only metal pulley with hub as per existing size suitable for AHU 19200 CFM complete all as specified and directed.

Supply only V belt of size A48 complete all as specified and directed.

M&L in replacement pre filter section with 50 mm thick with GI frame metal viscous/ washable synthetic type air prefilters (EU-4, 90% down to 10 micron), fine filter (EU-7, 99% down to 3 micron) as per existing size (600 mm x 600 mm) and as per OEM complete all as specified and directed.

S&F in replacement of position the Industrial type pressure gauges 0-500 PSI with SS-304 valves and syphone bend complete all as specified and directed.

S&F in replacement of position the mercury in glass Industrial type thermometers complete all as specified and directed.

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 complete all as specified and directed.

Supply, fabricating and installing perforated M.S. cable trays of size 50x450x50mm and thickness of sheet 2mm including horizontal and vertical bends, reducers, tees, cross members and other accessories as required and duly suspended from the ceiling with M.S. suspenders, including painting etc. complete all as specified and directed.

All as per item Ser No 29.00 above but of size 50 x 200 x 50 mm.

All as per item Ser No 29.00 above but of size 50 x 150 x 50 mm.

M&L for laying in trenches/wall/cable tray XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 120 Sqmm 3.5 core as main power cable to AHU Panel including taking down old unserviceable cable complete all as specified and directed.

M&L for laying in trenches/wall/cable tray XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 185 Sqmm 3.5 core as main power cable to AHU Panel including taking down old unserviceable cable complete all as specified and directed.

M&L for laying in trenches XLPE insulated, armoured heavy duty electric cable with copper conductor, 1100 volts grade, cross-sectional area 16 Sqmm 3.0 core as main power cable to Motor connecton/Compressor including taking down old unserviceable cable complete all as specified and directed.

All as per Item Ser No. 34.00 above but 25 Sqmm 3.0 Core.

M&L for overhauling of electric motor and blower of AHU including rewinding with super enamelled copper winding wire of existing gauge of capacity 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 reassemble, fixing and testing complete all as specified and directed.

Supply, assembly and erection of PGI sheet 22 gauge with TDF flange rectangular/square duct made out of 'L' shaped hollow profile, duly factory boxed including all accessories such as Corner, Cleat, Carriage bolt, Gasket and appropriate sealant on longitudinal joints etc including taking down old rusted duct complete all as specified and directed.

All as per ser Item Ser No. 37.00 above but 20 gauge.

M&L for duct insulation with resin bonded fibre glass wool roll of density 24 Kg /Cum and 40mm thickness with factory laminated aluminium vapour barrier, thickness of insulation as specified and including the following :- (a) M&L for 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) M&L for applying rubber based adhesive CPRX compound. (c) M&L for sealing of all longitudinal joints and circular overlaps with and including aluminium foil tape 50 mm wide, to make the insulation leakproof. (d) M&L for securing the insulation with and including mechanically fastened nylon / steel straps of size 12mm / 50mm at maximum intervals of 1.2 mtr.

Supply, installation, testing and commissioning in replacement for under deck insulation type of 25 mm thick non fibres closed cell, elastometric nitrile rubber of density minimum 0.43 Kg/m and fire performance class 1 as per BS 476 Part 7 complete all as specified and directed.

Supply, installation, testing and commssioning in replacement of flexible duct connection fire retardant porous double layer flexible canvas connection with GI angle iron between each AHU and ducting complete all as specified and directed.

Supply, installation, testing and commissioning of GI volume control duct damper with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications complete all as specified and directed.

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as required complete all as specified and directed.

Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete all as specified and directed.

Supplying, fixing & testing commissioning of supply air diffusers of powder coated aluminium with aluminium volume control dampers with anti smudge ring & removable core complete all as specified and directed.

Supplying, fixing & testing commissioning of Return air diffusers of powder coated aluminium without volume control dampers with anti smudge ring & removable core complete all as specified and directed.

Supplying, installing & testing of fresh air GI intake louvers with VCD, bird screen and carbon filter as per exisitng complete all as specified and directed.

Supplying, fixing & testing commissioning in replacement of hard copper refrigerant pipe of 16 SWG of following sizes with 19 mm thick elastometric nitrile rubber insulation complete all as specified and directed.

34.90 mm dia bore

28.50 mm dia bore

19.00 mm dia bore

15.80 mm dia bore

12.70 mm dia bore

9.52 mm dia bore

6.53 mm dia bore

Supplying, fixing, testing and commissioning in replacement for CPVC pipe condensate drain piping of sizes 32 mm to 42 mm with 19 mm thick elastometric nitrile rubber insulation including fittings complete all as specified and directed.

M&L for painting of all metal surfaces of VRF system 2 x 20 HP & 4 X 16 HP including LT Panel for VRF system with spray gun with two coats of synthetic enamel heat resistant paint matching to existing colour ones over a coat of red oxide primer including preparation of old painted surfaces/removing old faded/rust/cemented material off surface of complete all as specified and directed.

M&L for painting of all metal surfaces of 4 x 5.5 TR out door including LT Panel for Package type AC Plant with spray gun with two coats of synthetic enamel heat resistant paint matching to existing colour ones over a coat of red oxide primer including preparation of old painted surfaces/removing old faded/rust/cemented material off surface of complete all as specified and directed.

M&L for painting of all metal surfaces of 2 x 7.5 TR out door including LT Panel for Ductable type AC Plant with spray gun with two coats of synthetic enamel heat resistant paint matching to existing colour ones over a coat of red oxide primer including preparation of old painted surfaces/removing old faded/rust/ cemented material off surface of complete all as specified and directed.

M&L in replacement for iron work (MS equal angle iron, flat iron & bracing ) for supporting VRF unit, base channel for out door unit or any other rquirement at site including necessary fabrication, welding nuts & bolts complete all as specified and directed

S&F MCCB 630 Amps 4 Pole breaking capacity 35 KA including taking down old burnt MCCB complete all as specified and directed.

S&F MCCB 400 Amps 4 Pole breaking capacity 35 KA Microprocessor release including taking down old burnt MCCB complete all as specified and directed.

S&F MCCB 160 Amps 4 Pole breaking capacity 35 KA Microprocessor release including taking down old burnt MCCB complete all as specified and directed.

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

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

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

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

Material and Labour for earthing complete with Steel 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 25x4 mm by means of Copper nuts, bolts and washers. Strip shall be 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 25mm x 4mm. (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 be tightened on GI watering pipe and embeded in PCC 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 including RCC pit cover 50mm thick 1:2:4 type B1 reinforced with 8mm dia mild steel TMT bar 75mm centre to centre with 2 Nos MS handles of 12mm dia mild steel TMT bars suitable for carrying of pit cover.

M&L Earth continuity conductor or main earthing lead 25x4mm galvanised iron strip, 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 including taking down old unserviceable strip all as specified and directed.

S&F in replacement new single phase preventer kit including taking down of exisiting unserviceable SPPR kit complete all as specified and directed.

S&F in repair timer electronic type complete all as specified and directed.

S&F in repair power contractor of MNX - 25 complete all as specified and directed.

S&F in repair of LP switch complete all as specified and directed.

S&F in repair of HP switch complete all as specified and directed.

Supply, installation, testing and commissioning in replacement of auto air vent valve of 15 mm dia complete all as specified and directed.

S&F in replacement including testing of thermostatic expansion valve for 2x11 TR AC Plant complete all as specified and directed.

S&F in replacement including testing of thermostatic expansion valve for 4 x 16 TR & 2 x 18 TR VRF System complete all as specified and directed.

S&F in replacement including testing of thermostatic expansion valve for 2 x 7.5 TR Ductable AC unit complete all as specified and directed.

S&F in replacement of finned strip heater 3.0 KW suitable fixing in various AHU of AC Plants complete all as specified and directed.

S&F in replacement of PCB card for 5.5 TR compressor for 2 x 11 TR Package type AC plant complete all as specified and directed.

Pradeep Bros

Flint India

HONEY COLLECTION