REPAIR MAINT OF AIR CONDITIONING SYSTEM IN DIPAS DIPR CFEES AND RAC OF KWC AREA UNDER GE I RnD DELHI

Comprehensive maintenance, preventive/periodical, routine & corrective (break down) maintenance, servicing, cleaning, inpection and testing in and including repair/ replacement of defective components/parts/fitting/sensors as and when required of central A/C plant of capacity 3x 50 TR water cooled chillers (Model: 10050-219)) through M/S VOLTAS (OEM ) or authorized dealer for following plant and equipments to micro processed unit control panel, compressor, evaporator , electronical expansion valve, water cooled condensor with integral sub cooler, oil cooler, oil piping, oil filter, refergerant filters, soleniod, safety/metering sensor and equipments and automatic control valves etc.

Note: Scope of Annual Comprehensive Maintenance are cover under this tender :- (a) Diagnose the fault and rectify the defects detected in reasonable time. (b) Repair /replace the faulty minor and major parts etc. of the equipments. (c) All periodical and preventive maintenance shall be carried out in presence of engineer of OEM (M/S Voltas) (d) Attend all break down as and when required. (e) The cost of all all kind of defective parts/spares/control cards/sensors and labour for any minor or major repairs of chiller plants as and when required for smooth reliable operation with high efficiency (as recommended by the OEM during inspection/analysis report) shall be provided by the contractor at no extra cost and rate for the same are deemed to be included in the unit rates of item as above hence the bidder is advised to visit the site to assess the work to be carried out in this contract and quote the rate accordingly. (f) The chiller unit of capacity 3x50 TR will be handed over to contractor in as and when condition and no claim in this effect will be accepted at any stage. (g) The contractor is liable to maintain 22ºC temperature (± 2ºC) and 50 % relative humidity (± 5%) in the rooms. (h) Contractor is required to enter in to "Level-3" MOU with M/S Voltas. The contractor shall upload submit scanned copy of MOU with M/S Voltas alongwith his application in Cover No 01 and also submit hard copy of MOU with his application before the last date for bid submission failing which Cover 2 shall not be opened and No claim what so ever on this account shall be entertained. The service Engineer from M/S Voltas (original OEM) will visit the A/C plant 3 to 4 times in contract period for inspection and will submit inspection report to the Engineer-in-charge. Necessary repair action will be taken immidiately if/as required.

(h) The OEM has to attend the unscheduled service calls as and when required for locating the faults and rectify the same within 04 hours. In case of any fault in the machineries of Central AC plant due to which the plant is put off more than 04 hours the following penalties shall be recovered from the contractor :- (i) Rs. 5000/- Per hours will be recovered from the contractor for non rectification of defect/replacement of any unserviceable spares after 04 hours from lodging of complaint telephonically or verbaly. (ii) Thereafter Rs. 20000/- will be added every day till rectification of fault/replacement of unserviceable spares as directed by the Engineer-in-Charge. (j) The service Engineer from M/S Voltas (OEM) will visit the A/C plant ever month in contract period for inspection and servicing of all three Chiller units and will submit inspection and servicing report(duly signed by service engineer and JE E/M) to the Engineer-in-charge. (k) Necessary repair action of urgent nature should be taken immidiately whether it is working hours or holidays if/as required and no additional charges will be payable. (l) Carry out de-scaling process of condensers coils, with suitable chemical on half yearly basis and rate for the same are deemed to be included in the unit rates of item as above.

Preventive/periodical, routine & corrective (break down) maintenance, servicing of under mentioned associated equipments such as Air Handling Units(AHU,s), Cooling Towers, Chilled and Condense water circulating pumps & motors, Condensor and chiller water piping system with control valves, Air distribution system with Grills, LT panels of AHUs/Pumps/Chiller Units, including carrying out daily, weekly, monthly, quarterly and half yearly as scheduled in the Particular Specifications :-

(i) FRP cooling tower of make: MIHIR , induced draft type with fan and elect motor, starter, gearbox, PVC fins, base louvers and ladder etc of 50 TR capacity - 03 Nos (ii) Condensor and chiller water piping of all sizes including butterfly valve/sluice valves, non return valves, and other measuring and safety equipments and accessories complete. (iii) Chilled water circulating pumps and Squirrel cage induction Motors Make: ABB/Crompton Greaves of 7.5 HP capacity - 03 Nos (v) Condense water circulating pumps and Squirrel cage induction Motors Make: ABB/Crompton Greaves of 7.5 HP capacity - 03 Nos (vi) Air Handling Units Make: CRYSTAL with chilled water system, blower motor, pantry, cooling coil, spray and filter section dehumidification arrangement, modutrol motor, strip heater, Thermostat etc suitable for cooling in summer and heating in winter complete of capacity 2400 CFM with elect panel etc - 03 Nos

(vii) Air distribution system including volume control dampers, smoke & fire dampers, air diffusers, canvas connector, control valves and sensors/mearsuring equipements etc. (viii) Supply and return air grills. (ix) LT panel cubical type floor mounted dust and vermin proof for each AC plant unit No. 1, 2, 3, 4 etc complete - 02 Nos. (x) AHUs ON/OFF monitor panel - 01 No

M&L for overhauling of condensor pump/primarypump/secondary pump of capacity upto 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, pump alignment etc and reconnecting back and testing complete all as per specified and directed.

Disconnecting & dismantling of existing unserviceable cooling tower, FRP type 50 TR capacity of any description & in any position including dimantling all old connected part/ filters, like motor, FRP casing basin, PVC filling, MS/GI pipe line, sluice valve, stop valve, steel structure frame etc. Servicing/ Overhauling, cleaning, oiling/ greasing and fixing of serviceable parts with new parts, reassembling the cooling towers and connected parts/ items fixed in position for connected to existing system and testing at site on full load to the entire satisfaction of the Engineer-in-charge.

M&L for servicing/ repair of defective heaters for 3X50 TR AC plant complete all as specified and directed.

S&F in replacement industrial type pressure gauges (o-14 psi) with Stainless Steel grade-304 valves complete as specified and directed.

S&F in replacement mercury in glass industrial type thermometers complete all as specified and directed.

M&L for servicing/ repair of expansion tank for 3X50 TR AC plant complete all as specified and directed.

M&L for repair of VFD for AHUs/ CT motors of capacity upto 7.5 HP complete all as specified and directed

M & L charges for Finding out leakage in the system by nitrogen pressure holding, vacuumizing and leakage repair including brazing cost, and recommissioning of 50 TR water cooled Chiller of make Voltas complete all as specified and directed.

S&F in replacement of old unserviceable box type, fine filter for AHUs of capacity 2400 CFM made out of HDPE, non woven synthetic media duly washable and assembled in fully sealed anodised aluminium/GI frame, having efficiency 95% down to 10 micron of size 600X350 mm complete, all as specified and as directed.

Dismantling the compressor of 50 TR from installed position after disconnecting the suction and discharge refrigerant line, open the compressor for carrying out the repairs/ replacement of unserviceable parts, setting of valve reeds, valve plates, bearings, loading and unloading mechanism, pistons with rings, oil seals, oil pumps etc after carrying out necessary lathe work for grinding and polishing the worn out seatings/ housing of the compressor body, rewinding with super enameled wire and assembling with essential minor parts i.e. split pins, nuts, bolts, washers, rubber rings etc and fixing in its position including testing for proper functioning complete all as specified and directed by Engineer-in-Charge.

Supply & filling of compressors oil with testing for complete all as specified and as directed.

Supply & fixing in replacement of fire retardant, flexible, double cloth canvass made with high quality cloth, moisture resistance in and including fixing materials complete all as specified and as directed.

M&L for disconnecting all supply and return water connections from supply and return line carefully and taking out unserviceable chiiled water cooling coil complete from 2400 CFM capacity AHU of make CRYSTAL and send it to OEM workshop for repair / replacement of damage/broken copper cooling coil and after repair / replacement of defective parts and cooling coils complete with cutting, welding,grinding and brazing work, refixing same with existing system including the testing of it as specified and directed.

Supply, installation and testing in replacement of DX type Cooling coil assembly with suitable dia copper coil and copper header with aluminium fins and zinc coated frame as per existing size and capacity 2400 CFM AHU of make: CRYSTAL in and including necessary dismantalling and repair/ replacement works such as MS flanges, pieces of MS pipe of existing size and thicness with insulation after that re-fixing both panels with filters and re-jointing supply and return water pipe connections and other items properly and testing as per OEM standerd complete all as specified and as directed.

Supply and fix in replacement of PVC fills of size 32"X12"X11" suitable for 50 TR capacity cooling tower of Make-MIHIR complete all as specified and directed.

Supply and fix in replacement of PVC fills of size 46"X21"X 5" suitable for 50 TR capacity cooling tower of Make-MIHIR complete all as specified and directed.

M&L for disconnecting electrically and mechanically defective/burnt squirrel cage induction motor, shifting to civil workshop, opening for inspection, removing of unserviceable ball bearings, gaskets etc, cutting of old burnt winding, cleaning of slots, fixing of insulated material, winding with new super enemelled copper winding wire of suitable gauge, varnishing, re-assembling, transporting to site, re-fixing at existing location, connecting mechanically, electrical connections, testing to entire satisfaction of Engineer-in-charge all as directed at site for capacity 1 HP to 1.5 HP. Note: - Cost of spares will be measured and paid seperately under relevant items.

All as per item No 19.00 above but 3HP.

All as per item No 19.00 above but 5 HP capacity

All as per item No 19.00 above but 7.5HP capacity

Supply only ball bearing (Pump and motor 1 HP to 1.5 HP).

All as per item No 23.00 above but Pump and motor 3 HP

All as per item No 23.00 above but Pump and motor 5 HP

All as per item No 23.00 above but Pump and motor 7.5 HP

Supply only gun metal impeller suitable for 1/1.5 HP capacity centrifugal pump set as per existing model and make pump set complete all as specified and directed.

All as per item No 27.00 above but for pump set of capacity 3 HP

All as per item No 27.00 above but for pump set of capacity 5 HP

Supply only gun metal shaft suitable for centrifugal pump set of capacity 1/1.5 HP as per existing model and make for Kirloskar/Crompton Greaves make pump set all as required and as direted by the Engr-in-Charge.

All as per item No 30.00 above but for pump set of capacity 3 HP

All as per item No 30.00 above but for pump set of capacity 5 HP

All as per item No 30.00 above but for pump set of capacity 7.5 HP

Supply and fixing in replacement of 'V' belt for blower motor of AHU capacity 2400 CFM complete all as specified and directed.

Supply and fixing in replacement of Tyre coupling with MS hub of including flexible tyre, nuts, bolts and washers suitable for centrifugal motor pump set upto 7.5 HP capacity complete match with existing one complete all as specified and directed.

M&L for painting Condensor and chiller water piping with two coat of approved color, synthetic enamel paints on all external surface after throughly cleaning/scraping of old paints, rust and scale etc complete all as specified and directed.

Supply and fixing in replacement of single phase strip type heating element of capacity 2 KW, fixing in existing AHUs, electric connections with multistranded copper conductor cables of suitable size and testing all as directed by the Engr-in-Charge.

Supply and fixing in replacement of electronic Timer for star delta motor starter of complete all as specified and directed.

Supply and fixing in replacement of Phase indicating lamp, LED type, RED/BLUE/YELLOW/GREEN, 22.5 mm Ø, surface mounted, 240VAC suitable for panel mounting complete all as specified and directed.

Supply and fixing in replacement of current transformer of capacity 200/5A, cast resin ring type with burden 15 VA and accurac class 1 suitable for panel mounting complete all as specified and directed.

Supply and fixing in replacement of PVC insulated single core unsheathed, multistrand copper conductor cable 1.5 Sqmm, FRLSH conforming to IS-694:1990 in and including copper thimbles as per site required suitable for panel wiring complete all as specified and directed.

Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping plumbing inside the building (with necessary MS 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 I roofing feltstrip(as per IS:1322 and amended up to date ) at joints repairing of damage to building etc. as per specifications and as required complete for 125 mm dia MS pipes with (75 mm insulation) all around complete all as specified and directed.

All as per item no 44.00 above but 100 mm dia MS pipes with (50 mm insulation) alaround

All as per item no 44.00 above but 80 mm dia MS pipes with (50 mm insulation) alaround

All as per item no 44.00 above but 65 mm dia MS pipes with (50 mm insulation) alaround

All as per item no 44.00 above but 50 mm dia MS pipes with (50 mm insulation) alaround

Supply,installation,testing and commissioning of "B" class GI drain piping complete with fitting etc & 25 mm thick PUF insulation with sealing tapes & 28 gauge Aluminium cladding for 80 mm dia size pipe complete as per drawings and specifications.

Supplying, fixing, testing and commissioning of BUTTERFLY VALVE (MANUAL) with C I body stainless steel disc nitrile sheet & O - ring & PN 16 pressure rating without insulation for condenser water circulation complete all as specified to suit 125 mm dia pipe.

All as per item no 50.00 above but upto 80 mm dia

Supplying, fixing, testing and commissioning of NON - RETURN VALVE of 125 mm dia size with dual plate of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating complete all as specified and directed.

All as per item no 52.00 above but upto 80 mm dia

Supplying, fixing, testing and commissioning of Y - STRAINER of 125mm dia size of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation complete all as specified and directed.

All as per item no 54.00 above but upto 80 mm dia.

M&L for Providing and fixing in position of approved make differential pressure switch of brass body complete with copper control wiring at condenser and chiller outlet of Each machine complete all as specified and directed.

Supply,assembly and erection of GI sheet 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 complete as per drawings and specifications for the thickness 24 Gauge complete all as specified and directed.

All as per item no 57.00 above but GI Sheet of size 22 Gauge.

All as per item no 57.00 above but GI Sheet of size 20 Gauge.

Supplying & fixing duly powder coated not less than 50 micron thick on extruded aluminium supply Air Grills with aluminium volume control dampers complete all as specified and directed.

Supplying & fixing duly powder coated paint not less than 50 micron thick on 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 duly powder coated paint not less than 50 micron thick on luminium with aluminium volume control dampers with anti smudge ring & removable core all as specified and directed.

Supplying, fixing & testing commissioning of Return air diffusers duly powder coated paint not less than 50 micron thick aluminium without volume control dampers with anti smudge ring & removable core complete all as specified and directed.

M&L for Providing and fixing of acoustic lining on wall and ceiling of AHU rooms with 25mm thick Rigid Board of Glass wool one side aluminum faced and other side black glass cloth lamination, density 70 to 80 kg/cu.m complete all as specified.

M & L for 50 mm thick 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 as per following requirement :- (a) Cleaning the duct surface( to be insulated ) by scrapping carefully with wire brush etc. to make the surface completely free of mill scale ,dirt,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.

Supply, fabricating and installing of perforated M.S. cable trays of size 50x 450 x 50mm made of 2mm thick sheet including horizontal and vertical bends, reducers, tees, cross members and other accessories of mild steel as required, and duly suspended from the ceiling with M.S. suspenders, including painting with two coats of synthetic enamel paint over one coat of red oxide zinc primer complete all as specified and directed.

All as per item No 66.00 above but 50 x 300 x 50 mm of 2 mm thick

All as per item No 66.00 above but 50 x 150 x 50mm of 2 mm thick

M&L of shifting outdoor VRF unit of 14 TR capavity of make:TOSHIBA including taking off the outdoor unit from the stand, disconnecting wiring, cables, copper tubing and shifting from one location to the other location of the same 2 story building and reinstalling to the new location all as specified and directed by Engr-in-Charge

M&L of shifting indoor VRF unit of 14 TR capavity of make:TOSHIBA including taking off the wall mounted indoor unit from the wall, disconnecting wiring, cables, copper tubing and shifting from room to the other room of the same 2 story building and reinstalling to the new location all as specified and directed by Engr-in-Charge

M&L of shifting wall mounted controlling panel of VRF AC of 14 TR capavity of make:TOSHIBA including taking off the wall mounted panel from the wall, disconnecting wiring, cables, and shifting from one location to the other location of the same 2 story building and reinstalling to the new location all as specified and directed by Engr-in-Charge

Supply and fixing in replacement of PVC insulated single core unsheathed, multistrand copper conductor cable 1.5 Sqmm, FRLSH conforming to IS-694:1990 in and including copper thimbles as per site required suitable for panel wiring complete all as specified and directed.

Checking, servicing, preventive maintenance, cleaning (Dry and Wet), inspection and testing of window/Split type Air conditioner of capacity 1.5/2 Ton of inverter/ non inverter type or any modal and make at site in Multi story buildings as per OEM guideline for safety and performance by means checking operation performance parameters, cleaning of blower, condenser fan, cleaning or replacing the air filters, cleaning the condeser and evaporator coils, checkiing the refrigerant level and testing for leakage and topping off refrigerant level, inspecting and tightening electrical connections, lubricating moving parts, checking thermostate calibration, checking the PCB controler cards and capacitor * Remote control handset in and including anti corrosive coating blue/gold fin on condenser and evaorator coils complete all as specified and as directed by EIC.

All as per item Ser No 73.00 above but cassette type Inverter type AC of 3.0 ton

All as per item Ser No 73.00 above but cassette type Inverter type AC 4.1 Ton

M&L in replacement Fan Motor of AC (Window/ Split Type) 1.5 TR Capacity of approved Make and required Size to suit existing AC including taking out the unservice-able Fan Motor from the AC, complete all as specified and as directed.

All as per Item No. 76.00 above but AC (Window/Split Type). 2.0 TR Capacity

M&L Rewinding Fan Motor of AC 1.5/2.00 TR Capacity, (Window/Split Type) of any Make with Super Enameled Copper Wire of appropriate Gauge and Quantity including taking out burnt Winding, complete all as specified and directed.

M&L in replacement Air circular Blower Fan Motor of AC (Split Type), 1.5 TR/2.0/4.00TR Capacity including taking out unser-viceable Air circular Blower Fan Motor complete all as specified and as directed.

M&L in replacement Air Filter suitable of AC (Window type) 1.5 TR/2.0 TR Capacity including taking out unserviceable Air Filter from AC complete all as specified and as directed.

M&L in replacement Air Filter suitable of AC (Split type) 1.5 TR/2.0 TR Capacity including taking out unserviceable Air Filter complete all as specified and as directed.

M&L in replacement Capacitor Running 4-6 mfd suitable for new/star rated for AC (Window/Split Type) 1.5 TR/2.0 TR Capacity and of any make including taking out unserviceable Capacitor from AC complete all as specified and as directed.

M&L in replacement Capacitor Running 36 mfd – 45 mfd suitable for new/star rated for AC (Window/Split Type) 1.5 TR/2.0 TR Capacity and of any make including taking out unserviceable Capacitor from AC complete all as specified and as directed.

M&L in replacement Fan Motor Blades AC (Window/Split type) 1.5/2.0 TR capacity including taking out unserviceable Blades of Fan Motor from AC complete all as specified and as directed.

M&L in replacement Front Plastic Grill (as per Sample) of AC (Window type) 1.5 TR/2.0 TR Capacity including taking out unserviceable Front Plastic Grill from AC all as per existing and complete all as specified and as directed.

M&L in replacement Front Plastic Grill for inner unit (as per Sample) of AC (Split type) 1.5 TR/2.0 TR Capacity including taking out unserviceable Front Plastic Grill from AC all as per existing complete all as specified and as directed.

M&L in replacement Runner for air blower motor of AC (split type) AC 1.5/2.00TR capacity (As per sample or as per site requirement) including Runner of Air Blower Motor from AC all as per existing complete all as specified and as directed.

M&L in replacement Starting Relay of AC (Window/Split Type) 1.5 TR/2.0/3.00TR Capacity including taking out unser-viceable Starting Relay from AC complete all as specified and as directed.

M&L in replacement Strainer with Capillary Tube of AC Window/ Split Type) 1.5 /2.0TR Capacity (including taking out unserviceable Strainer with Capillary Tube from AC complete all as specified and as directed.

M&L in replacement Thermostat Switch of AC (Window/Split Type) 1.5 TR/2.0 TR Capacity including taking out unserviceable Thermostat Switch from AC complete all as specified and as directed.

S&F in replacement cooling coil suitable for window type room AC 1.5/2 TR including taking out unserviceable cooling coil of capacity 1.5/2 TR.as per sample complete all as specified and directed.

S&F in replacement Condensing coil suitable for window type AC 1.5/ 2 ton including taking out unserviceable Condensing coil of capacity 1.5/2 ton complete all as specified and directed.

S&F in replacement Condensing coil suitable for split type AC including taking out unserviceable Condensing coil of capacity 2 ton complete all as specified and directed.

S & F in replacement cooling coil suitable for split type AC including taking out unserviceable cooling coil up to capacity 2 ton complete all as specified and directed.

S&F in replacement Indoor unit suitable for 1.5 TR split type AC including taking out unserviceable Indoor unit complete all as specified and directed.

S&F in replacement outdoor unit suitable for 1.5 TR split type AC without compressor including taking out unserviceable outdoor unit complete all as specified and directed.

S&F in replacement Indoor unit suitable for up to 2 TR split type AC including taking out unserviceable Indoor unit complete all as specified and directed.

S&F in replacement outdoor unit suitable for up to 2 TR split type AC without compressor including taking out unserviceable outdoor unit complete all as specified and directed.

Suuply & Fix in replacement of Hermitacally sealed compressor for split/ window type AC capacity 1.5 Ton complete all as specified and directed.

Suuply & Fix in replacement of Hermitacally sealed compressor for split/ window type AC capacity 2.0 Ton complete all as specified and directed.

M&L in replacement PCB with remote for inverter type window type AC up to 1.5/2 Ton capacity including taking out unserviceable PCB complete all as specified and directed .

M&L in replacement PCB with remote for inverter typt split AC 1.5/2 Ton capacity including taking out unserviceable PCB complete all as specified and directed .

M&L in replacement PCB with remote for inverter typt cassette AC 4.1 Ton capacity including taking out unserviceable PCB complete all as specified and directed .

M&L in replacement Remote of AC ( Window/Split inverter Type) 1.5/2.0 TR capacity (As per sample or as per site requirement) all as specified and as directed.

S&F in replacement wiring kit suitable for 1.5 to 2.0 ton capacity AC complete including taking out unserviceable wiring kit all as specified and directed.

S&F in replacement gas charging pin valve complete including taking out unserviceable pin valve all as specified and directed.

Taking out window type AC complete unit from any height/ any floor up to four storey building and shifting to another location in the same or other building in the complex including refixing of the unit complete all as specified and directed.

Taking out split type AC complete indoor and outdoor unit from any height/ any floor up to four storey building by including pumping down the gas into the compressor by controlling the suction and discharge valves , disconnecting the suction and dischagre copper piping and shifting to another locatiion in the same or other building in the complex including refixing of the unit complete all as specified and directed.

Supply and charging the gas refrigerant R22 (including refrigerant) of window type AC upto 2 ton capacity including testing after application of nitrogen gas pressure 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.

All as per ser item No. 110.00 above but R- 410 for split/cassette type AC of size capacity complete.

All same as per item No 110.00 above but R134 for deep fridger/water cooler of any size capacity complete.

All same as per item No 110.00 above but R-32 Refg of any type capacity AC complete.

All same as per item No 110.00 above but R-407C Refg of any type capacity AC complete.

M&L for replacement of split valve 1/4” for split AC up to 2.00 ton capacity complete all as specified and directed.

M&L for replacement of split valve 1/2 ” for split AC up to 2.00 ton capacity complete all as specified and directed.

S&F in replacement compressor shut off valve 3/8" for split AC up to 2.00 ton capacity complete all as specified and directed.

S&F in replacement compressor shut off valve 5/8" for split AC up to 2.00 ton capacity complete all as specified and directed.

All as per ser item No. 119.00 here-in-before but size 1/2"complete all as specified and directed.

S&F in replacement High density polyethylene pipes 20 mm dia (HDPE) of pressure rating 6 kgf/cm2, laid in wall/ceiling including all clamps & accessories and connecting the condensate pipe of ACs to this conduit for proper drainout of condensate water from ACs of Bldgs upto 6 (six) storey complete all as specified and directed.

S&F in replacement Plastic flexible pipe for drain of suitable/existing size including necessary accessories to proper drainout of condensate water from ACs of Bldgs upto 5 (five) storey complete all as specified and directed.

Supply and fix in replacement voltage stabilizer 4 KVA suitable for window/split type AC of capacity upto 1.5 TR working on AC 240 V,50Hz single phase all as specified and as directed.

Supply and fix in replacement voltage stabilizer 5 KVA suitable for window/split type AC of capacity upto 2 TR working on AC 240 V,50Hz single phase all as specified and as directed.

S&F in replacement of metal plug socket of capacity 20 Amps, 240 volts suitalbe for sheet metal enslousers 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 2.5meters 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.

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