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| 1 | M & L for isolation of the system, draining of existing compressor lubricant oil from compressor and filling new Synthetic oil, solest 120 including necessary transportation upto the site all as specified and directed by Engineer-in-charge. |
| 2 | M & L for recharging/topping up 134 a / R 22 gas as per requirement including necessary transportation upto the site all as specified and directed by Engineer-in-charge. |
| 3 | M & L for removal and replacement of existing suction pressure transducer all as specified and directed. Make : MCS or equivalent |
| 4 | M & L for removal and replacement of existing temperature transducer all as specified and directed. Make : Danfoss/Setra or equivalent |
| 5 | M & L for removing and replacing of drier core existing liquid line filter drier including all as specified and directed by Engineer-in-charge. Make : Sporlin/Alco/Danfoss or equivalent |
| 6 | M & L for removing and replacing of V belt (Each Set contains of 3 Nos)of AHU blower with new as per existing size including necessary alignment of pulley and shaft with tools required complete all as specified and directed. Make : Fenner / Dunlop/Delta or equivalent |
| 7 | M &L in replacement of old u/s condenser water flow switch by providing new water flow switch of existing model all as specified and directed Make: Honeywell or Danfoss |
| 8 | M & L for rewinding of chiller electric motor of cap 12.5 HP by dismantling and opening up of MOTOR AC, Three phase, 415 Volts, 50 Hz, Squirrel cage Induction motor, removing burnt out winding wires complete, cleaning stator and rotor assembly, rewinding the stator with same guage and type of insulation copper conductor winding wires and insulation sheets , applying insulating varnish over the complete winding , drying up by heating , assembling back the stator and rotor including replacement of terminal blocks and terminal bolts and nuts, both end bearings with same size / make complete including necessary transportation to & fro upto the site all as specified and as directed by Engineer-in-charge. |
| 9 | All as per item No 08 here-in-before but M & L for rewinding of condenser electric motor of cap 15 HP |
| 10 | All as per item No 08 here-in-before but M & L for rewinding of cooling tower electric motor of cap 5 HP |
| 11 | M & L for Removal of existing pressure gauge along with siphon and cock and replacing with new dial type pressure gauge with range of 0 to 150 Psi, along with siphon and cock complete including necessary transportation upto the site all as specified and as directed by Engineer-in-charge. Make : Waree/Wikai/Kains or equivalent |
| 12 | M&L for De-canning of refrigerant form chiller No 02 &3 rectification of external leak, replacement of angle cock, vacuumising of the system, refilling of refrigerant and commissioning complete all as specified and directed. Note: Additional refrigerant if required shall be measured and paid separately. |
| 13 | M & L for Isolation of Condenser water pump motor power removal of existing star delta contactor and replacing with new 3TF34 , 32 Amps 3pole, 440V, 2NC NO and 230V coil contactor complete including necessary transportation upto the site all as specified and as directed. Make L&T/Seimens/Schneider or equivalent |
| 14 | All as per item No 13 above but of Chiller water pump motor contactor 3TF30 , 20 Amps |
| 15 | M & L for Isolation of Power removal of existing single phase preventer supply and replace with VSPD1 single phase preventer 440 V. complete including necessary transportation upto the site all as specified and as directed by Engineer-in-charge. Make : Minilec/leader/Siemens or equivalent |
| 16 | M & L for expansion valve controller or MCS-EXV-Driver removal of existing old unserviceable one, supply and replace with Model No. EXV Driver Ver: UC-5011 supply voltage 110V-240VAC ±10% and Model Serial No UC/2K13J/EXV-029 complete including necessary transportation upto the site all as specified and as directed by Engineer-in-charge. Make : Micro Control System/Siemens or its equivalent. |
| 17 | M & L in replacement of Power contactor of existing three phase suitable for motor disconnect with model No DMT02ATEXF001 or 3RV1021-4CA10, supply and replace with the same complete including necessary transportation upto the site all as specified and as directed by Engineer-in-charge. Make : Minilec/leader/Siemens or equivalent |
| 18 | M & L in replacement of timer for setting time range 3-60 Second, rated voltage 240V, 50 Hz with model No 3RP15761NF308K, supply and replace with the same complete including necessary transportation upto the site all as specified and as directed by Engineer-in-charge. Make : Minilec/leader/Siemens or equivalent |
| 19 | M & L for Removal of existing leakage portion of cooling towerbed along with necessary valves and water flow switch/nozzle and replacing with new parts like cooling tower bed/valves/water flow switch/nozzle complete includingnecessary transportation upto the site all as specified and as directed by Engineer-in-charge. |
| 20 | Supply and installation in replacement of Fills of 600x300x150mmm with GI supports. PVC fills Honey comb Design, Double edge folded, Corrugated type, Thk 0.2-0.3mm, Flute size 12mm. |
| 21 | S&F in replacement 25Kvar capacitor of 440 Volts, 50 Hz and 32.8 Amps load current, cylindrically shaped all as specified and as directed by engg-in-charge. Make: Epcos or equiv as per site. |
| 22 | Material and labour for checking the AHU double skin filters icluding removal from site after switching off the blower in AHU room and taken to AC plantcleaning it with water and necessary chemicals , drying up and fixing it back all as specified and as directed by engg-in-charge. |
| 23 | M&L in replacement MCCB 4 pole 80A, 415 Volts with 25KA breaking capacity suitable in the existing panel of AHU room all as specified and as directed. Make: Havells or equiv |
| 24 | M&L for servicing of 3 phase blower in AHU room by shutting down the plant and carefully removing the equipment out of site and taken to workshop for cleaning, painting greasing and rewinding of the motor if required. The cost of rewinding shall be considered separately. |
| 25 | S&F in repairs digital ammeter 3 phase 0-500A, Make: Enersol TPA-04 or equiv for suitable fixing in the panel board |
| 26 | Dismantling /Cutting existing 125mm /100mm condenser water MS pipe line from existing positionincluding 125/100mm butterfly valves, and fittings such as pipe supports, elbows, tees and reducers after shutting down the AC plant. |
| 27 | M&L for fixing in repairs 125 mm condenser water piping made out of MS pipe with necessary fittings like pipe supporters, elbows, tees and reducers fixed in place and paint with epoxy complete all as specified and directed. |
| 28 | M&L for fixing in repairs 100 mm condenser water piping made out of MS pipe with necessary fittings like pipe supporters, elbows, tees and reducers fixed in place and paint with epoxy complete all as specified and directed. |
| 29 | S&F in replacement of butterfly valve with MS flange with long lever type for cooling tower of 125mm size. Make: Jindal or equiv |
| 30 | S&F in replacement of butterfly valve with MS flange with long lever type for cooling tower of 100mm size. Make: Jindal or equiv |
| 31 | S&F in replacement MS pipe heavy duty 40mm, with necessary fittings like pipe supporters, elbows, tees and reducers fixed in place and paint with epoxy complete all as specified and directed. |
| 32 | S&F in replacement 3.5x400 sqmm cross sectional XLPE insulated cable, armoured, heavy duty aluminium conductor connected from changeover panel to main panel of AC plant including termination with suitable lugs all as specified and as directed. Make: Havells/Polycab or equiv with ISI |
| 33 | Supply and installation in replacement of MS C class pipe with Double coat anti corrosion paint Water Collection Tank of cooling tower. Make: Jindal/.300mm Pipe or suitable. |
