| Name of Work: NAME OF WORK : REPAIR/MAINT OF CENTRAL AIR CONDITIONING PLANTS, SWITCH GEAR AND CONNECTED ITEMS AT TECH AREA AT AF STN DIGARU | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 0 | SCHEDULE 'A' PART-I (B/R PORTION) | |||
| 2 | 1 | Taking up/out CI/DI/GI water mains including all fittings with spigot and socketed ends or flanged ends including burning out lead joints or dismantling flanged joints of 80mm dia pipe complete all as specified and directed.\n | 18 | RM | |
| 3 | 2 | Taking up/out CI/DI/GI water mains including all fittings with spigot and socketed ends or flanged ends including burning out lead joints or dismantling flanged joints of 50mm dia pipe complete all as specified and directed. | 72 | RM | |
| 4 | 3 | Supply and laying Galvanized steel water tubing, medium grade, 80mm bore, screwed and socketed joints with and including all required fittings and fixed to wall, ceiling or laid in trenches/ floor complete all as specified and directed. | 18 | RM | |
| 5 | 4 | Supply and laying Galvanized steel water tubing, medium grade, of 50mm bore, screwed and socketed joints with and including all required fittings and fixed to wall, ceilings or laid in trenches/floor complete all as specified and directed. | 72 | RM | |
| 6 | 5 | M & L for servicing of LT distribution panels of AC plant complete cleaning of panel incluiding CTs and bus bar chamber, welding of hinges, replacement of internal wiring with copper wire (as per existing size) , replacement of thimble as per existing size / type, painting with two coats of epoxy based paint over a coat of red oxide primer complete all as directed by Engr-in-charge. \nNote : - Major spare parts shall be measured and paid separately under relevant Item No 6 to 21 here in after and cost of all miscellaneous material and minor parts shall be deemed to be included in the quoted rate. | 2 | Each Job | |
| 7 | 6 | Supply only contactor type CLOO 10E. | 3 | Each | |
| 8 | 7 | Supply only Contactor type CLO1 10E. | 2 | Each | |
| 9 | 8 | Supply only Contactor type CLO2 10E. | 2 | Each | |
| 10 | 9 | Supply only Contactor type RL4R 22E. | 2 | Each | |
| 11 | 10 | Supply only Electronic timer type ET-100, 110/240 volt 50 Hz. | 1 | Each | |
| 12 | 11 | Supply only ampere meter 0-200 Amp digital type. | 2 | Each | |
| 13 | 12 | Supply only Volt meter 0-500 V digital type. | 1 | Each | |
| 14 | 13 | Supply only Selector switch 4 way for volt meter. | 2 | Each | |
| 15 | 14 | Supply only Selector switch 4 way for Amp meter. | 2 | Each | |
| 16 | 15 | Supply only Overload relay 6 to 10 Amps 3 Pole. | 3 | Each | |
| 17 | 16 | Supply only Overload relay 9 to 14 Amps 3 Pole. | 2 | Each | |
| 18 | 17 | Supply only Overload relay 28 to 42 Amps 3 Pole. | 3 | Each | |
| 19 | 18 | Supply only Timer GT-200 complete with coil voltage 220. | 1 | Each | |
| 20 | 19 | Supply only Auxiliary contact for BCH contactor 25 Amp. | 2 | Each | |
| 21 | 20 | Supply only bolted (BS) type HRC Fuse links of ratting 5 Amps. | 2 | Each | |
| 22 | 21 | Supply only MCB 40 amps 10 KA-3 pole, TP 415V AC. | 2 | Each | |
| 23 | 22 | M & L for repair and servicing of cooling tower of 10 TR capacity AC Plant, dismantling of cooling tower and removing of top cover , PVC Fins, adjustment of fins with proper way, replacement of unserviceable nozzle, fins, rusted nuts, bolts with wahsers etc and clearing bottom tank and remove mud and dust , painting the supporting structure of cooling tower with two coats of synthetic enamel paint and inner side of the tank with bituminous paint complete all as directed by Engineer-in-charge. \nNote: The spare parts, Nozzle shall be measured and paid separately under relevant item No 23 to 25 here in after of this schedule | 2 | Each Job | |
| 24 | 23 | Supply only Float valve assembly 25mm dia | 2 | Each | |
| 25 | 24 | Supply only PVC Nozzels (complete set of each cooling tower). | 2 | Set | |
| 26 | 25 | Supply only fins of cooling tower(complete set for each cooling tower) . | 2 | Set | |
| 27 | 26 | Dismantling compressor of make SMC - 365 series of capacity 10 TR without any damage to the serviceable equipments and over hauling the same by replacing unserviceable / worn out parts with new parts including necessary machine work to the piston housing, crank shaft, discharge valve plate etc for proper repair, Charging of refrigerant gas (R-22) and compressor oil up to the required level to achieve the desired cooling and rectifying other defects, testing & commissioning complete all as specified and directed. Make AXCEL 10 TR \nNote: The spare parts, refrigerant gas & compressor oil shall be measured and paid separately under relevant item No 27 to 46 here in after of this schedule.) | 3 | Each Job | |
| 28 | 27 | Supply only Piston and piston pin along with bush complete. | 4 | Set | |
| 29 | 28 | Supply only Piston ring set (set of compression ring and oil ring complete) | 4 | Set | |
| 30 | 29 | Supply only Connecting rod assembly with nuts and bolts complete | 3 | Set | |
| 31 | 30 | Supply only discharge reed valve complete | 4 | Each Job | |
| 32 | 31 | Supply only suction reed valve complete | 4 | Each Job | |
| 33 | 32 | Supply only Cylinder liner assembly complete | 3 | Each | |
| 34 | 33 | Supply only Helical spring for discharge reeds complete | 4 | Each | |
| 35 | 34 | Supply only Main bearing complete | 3 | Set | |
| 36 | 35 | Supply only Half suction bearing of over size or under size as per site requirement | 3 | Each | |
| 37 | 36 | Supply only Gasket set suitable for SMC - 365 | 1 | Set | |
| 38 | 37 | Supply only set of dowting ring suitable for SMC - 365 | 2 | Set | |
| 39 | 38 | Supply only Set of Neoprene, 'O' rings suitable for SMC - 365 | 2 | Set | |
| 40 | 39 | Supply only set of Shaft seal assembly complete suitable for SMC 365 series | 2 | Set | |
| 41 | 40 | Supply only carbon seal for shaft for SMC - 365 series | 4 | Set | |
| 42 | 41 | Supply only Rocker assembly with pin, spring and cup suitable for SMC - 365 series | 3 | Set | |
| 43 | 42 | Supply only oil pump assembly complete suitable for SMC 365 Series | 2 | Each | |
| 44 | 43 | Supply only Suction stop valve assembly suitable for SMC - 365 series 10 TR capacity plant | 2 | Each | |
| 45 | 44 | Supply only Discharge stop valve assembly suitable for SMC - 365 series 10 TR capacity plant | 2 | Each | |
| 46 | 45 | Supply only Control / Mixing valve assembly suitable for SMC - 365 series 10 TR capacity plant | 2 | Each | |
| 47 | 46 | Supply only compressor oil (N-68) for Model No. SMC 365 compressors | 20 | Ltrs | |
| 48 | 47 | Supply & fix hand shut off valve 1/4" size | 1 | Each | |
| 49 | 48 | Supply & fix solinoied valve 1/4" size | 1 | Each | |
| 50 | 49 | Supply & fix Differential Pressure switch MP - 15 | 1 | Each | |
| 51 | 50 | Supply & fix discharge pressure gauge suitable for R-22 refrigerant gas | 1 | Each | |
| 52 | 51 | Supply & fix oil pressure gauge | 1 | Each | |
| 53 | 52 | Supply & fix V-belt B-80 complete all as specified | 12 | Each | |
| 54 | 53 | Supply & fix V-belt B-44 complete all as specified | 4 | Each | |
| 55 | 54 | Taking down Electric induction motor of 15 HP(Make:Crompton) squirrel cage type 3 phase 415 volt with drive pully from the base, dismantling the motor, removing all brunt wires from the slots, cleaning the slots, rewinding the motor with sutable gauge super enameled copper wire, heating, varnishing with proper grade varnish, refixing of bearings with proper alignment of shaft, re-assembling properly and testing complete and re-fixing in position complete all as specified and as directed. | 1 | Each Job | |
| 56 | 55 | All as per item No 54 here-in-before but 5.0 HP capacity. | 1 | Each Job | |
| 57 | 56 | All as per item No 54 here-in-before but 3.0 HP capacity. | 1 | Each Job | |
| 58 | 57 | All as per item No 54 here-in-before but 1.0 HP capacity. | 1 | Each Job | |
| 59 | 58 | M & L for descaling of condenser with suitable descaling agent (HCL) and finally opening out condenser pipe line ends and cleaning the copper tube with wire brush until the tube shown its copper colour complete all as specified. | 6 | Each Job | |
| 60 | 59 | Opening the upper sheet and side sheet of AHU’s of AC plants for access to cooling coil, washing/cleaning of cooling coil externally with mild acid (or caustic soda hot water solution) followed by water jet including cleaning/washing of air filters and re-fixing, complete all as directed. | 2 | Job | |
| 61 | 60 | M&L for checking leakage in both low and high side of the system by feeding dry nitrogen to maintain adequate pressure in the system, plugging the leaks including supply and replacement of Teflon sealing of all refrigerant line valves like liquid lines valves/suction/discharge valves of compressors, gland packages of all angle valves flaring of all connections, framing welding etc complete for the AC plant of capacity 3x10 TR-Plant at shed No 58 & 59. | 2 | Job | |
| 62 | 61 | M&L for Spray painting of AC plant complete with two coats of approved colour on various equipments of the plant such as compressors, motor, condenser, pumps, condenser piping, (wherever applicable), MS mounting structure, etc at 58 & 59 shed complete all as directed. . | 2 | Job | |
| 63 | 62 | M & L for Vacuum the system and after maintaining vacuum for 24 hours supply and charge refrigerant gas HCFC 22 complete all as specified and directed by the Engineer-in-Charge. Make:-Mafron/Refron | 80 | Kg | |
| 64 | 63 | M & L for repair / Overhauling of mono block pumping set of 3 to 5 HP including replacement of gland, remetaling, turning & polishing of pump shaft, testing, commissioning and installation at site complete all as directed. (Note: Spare parts of pump shall be measured and paid separetely under relevant item No 64 to 67 here in after of this schedule.) | 2 | Each Job | |
| 65 | 64 | Supply only Pump bushing | 3 | Each | |
| 66 | 65 | Supply only pump motor bearing | 2 | Each | |
| 67 | 66 | Supply only shaft sleeves | 2 | Each | |
| 68 | 67 | Supply only mechanical seal | 4 | Each | |
| 69 | 68 | M & L for replacement of AHU blower fan, bearing housing and pulley assembly complete all as directed. | 1 | Each | |
| 70 | 69 | M & L for replacement of cooling tower fan, bearing housing and pully assembly and servicing complete all as directed. | 1 | Each | |
| 71 | 70 | M & L for replacement coil type heater 2 KW 240 volt, 50 Hz as per sample complete all as directed. | 9 | Each | |
| 72 | 71 | M&L for rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) of capacity 1000 liters, hoisted and fixed in position all as specified in SSR Part-I including Taking down old unserviceable PVC tank of cap 1000 ltr after disconnecting all water connection all as specified and directed. | 1 | Each | |
| 73 | 72 | Supply and replacement of AHU Pre fillter Existing make and size complete all as directed. | 5 | Each | |
| 74 | 73 | Sullpy and replacement of Micro fillter existing make and size complete all as directed. | 5 | Each | |
| 75 | 74 | Supply and fix in repair MCB TP 6-32 Amps 415 Volt , C curve, complete all as directed and specified. | 8 | Each | |
| 76 | 75 | Supply and fix in repair MCB TPN 63 Amps 415 Volt, C curve, complete all as directed and specified. | 4 | Each | |
| 77 | 76 | Supply, connection & testing of PVC insulated, multistranded 4 core, 4 Sq mm copper conductor suitable for working voltage 1100 volts , complete all as specified and directed by Engr-in-Charge. | 20 | RM | |
| 78 | 77 | Supply, connection & testing of PVC insulated, multistranded 4 core, 6 Sq mm copper conductor suitable for working voltage 1100 volts , complete all as specified and directed by Engr-in-Charge. | 20 | RM |
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