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| 1 | Servicing including cleaning and washing of micro filters of AHU of below given capacity up to the satisfaction of Engineer In Charge including any other minor repair needed in AHU.Any broken filter shall be replaced with new one and same shall be paid under relevant respective items. |
| 2 | Up to 10000 CFM |
| 3 | Above 10000 CFM to 20000 CFM |
| 4 | Servicing, cleaning of cooling tower with one or two as per existing size , water basin and makeup tank with the help ofchemical and nylon brush, removing and refixing of PVC finches after washing,cleaning of condenser pipe line( in letand out let) including painting of out side of cooling tower with inlet and outlet pipe line with one coat synthetic enamel paint of colour approved by engr in charge and inside painting of water tank of cooling tower used water proof black Japan paint one coat including changing of unserviceable PVC guard, water distributor, PVC pipe etccomplete for the satisfaction of the Engr in charge of the following capacity of the AC plantsat different locations complete all as specified and as directed |
| 5 | Up to 30 TR |
| 6 | Above 30 TR to 60 TR |
| 7 | More than 60 TR |
| 8 | Removing old unserviceable port Y type strainer and material and labour for Y type strainer 150mm size of both end flanged including supply and welding flange of size 150mm two nos( if required) complete all as specified |
| 9 | Removing old unserviceable port Y type strainer and material and labour for Y type strainer 100mm size of both end flanged including supply and welding flange of size 100mm two nos ( if required) complete all as specified |
| 10 | Removing old unserviceable port Y strainer and material and labour for Y strainer 80mm size of both end flanged including supply and welding flange of size 80mm two nos ( if required) complete all as specified |
| 11 | Removing old unserviceable port Y strainer and material and labour for Y strainer 65mm size of both end flanged including supply and welding flange of size 65mm two nos ( if required) complete all as specified |
| 12 | Taking down old unserviceable butter fly valve and material and labour for butter fly valvewith rubber packing of size 150 mm complete all as specified and directed. |
| 13 | Taking down old unserviceable butter fly valve and material and labour for butter fly valvewith rubber packing of size 100 mm complete all as specified and directed. |
| 14 | Taking down old unserviceable butter fly valve and material and labour for butter fly valve ofsize 80 mm complete all as specified and directed. |
| 15 | Taking down old unserviceable butter fly valve and material and labour for butter fly valvewith rubber packing of size 65 mm complete all as specified and directed. |
| 16 | Taking down old unserviceable butter fly valve and material and labour for butter fly valvewith rubber packing ofsize 40 mm complete all as specified and directed. |
| 17 | Taking down old unserviceable pressure gauge supply and fixing testing of pressure gauge of 0 to 100 PSI complete all as specified and directed. |
| 18 | Taking down old unserviceable/ broken pulley of AHU of any size and supply, fixing, testing and commissioning of new pulley suitable for any capacity AHU complete all as specified and as directed by Engineer in charge.Note : Any machining work needed at shaft of motor is also included in quoted rate. |
| 19 | Taking down old unserviceable AHU micro filters of any size and supply, fixing, testing and commissioning of new micro filters of existing size for any capacity AHUs complete all as specified and as directed by Engineer in charge. |
| 20 | Taking down old unserviceable/ torn out canvas cloth of any size and supply, fixing and testing of new canvas cloth for making connection between AHU and Duct suitable for any capacity AHU complete all as specified and as directed by Engineer in charge. |
| 21 | Taking down old unserviceable motor pump coupling set of any size and supply, fixing, testing and commissioning of new motor pump coupling complete set along with rubber star coupling suitable for any capacity centrifugal pump set complete all as specified and as directed by Engineer in charge. |
| 22 | Taking down old unserviceable motor pump coupling\"s star rubber of any size and supply, fixing, testing and commissioning of new motor pump coupling\"s star rubber set suitable for any capacity centrifugal pump set complete all as specified and as directed by Engineer in charge. |
| 23 | Preparation of old painted surface of MS pipes and painting with one coat of synthetic enamel paint, as per colour code given by the deptt , complete all as specified and as directed by Engineer-in-Charge.(Note :- The rates includes for writing and marking description of pipes with white enamel paint) |
| 24 | Taking down old unserviceable electric strip heater and Supply, installation, testing and commissioning of electric strip heater of 3 KW complete all as specified and as directed. |
| 25 | Taking down old rusted unserviceable MS/GI tray of any size and supply, fixing, fabricating, testing and commissioning of new GI tray of approximate size 50 Inches X 13 Inches and sides raised by 1 inch made of minimum 18 gauge GI with black bitumen coatingsuitable for any capacity FCU water drain purpose complete all as specified and as directed by Engineer in charge.Note : Size of tray is tentative and may vary as per site requirement.Any minor item needed like PVC pipes for water draining etc shall be included in quoted rate. |
| 26 | Identification of breakdown of any type of AC Plants of any capacity and rectify the same with proper record mentioning time date and nature of defect duly signed by JE E/M and AGE E/MNotes for item No-1:- (1.) Spares required for major repair will be paid separately. (2.) Contractor will produce the register at the time of payment. |
| 27 | Taking down old unserviceable cooling tower motor\"s cover/ umbrella of any size and supply, fixing and testing of new metallic cover of cooling tower motor for protection of motor from rain for any capacity cooling tower all as specified and as directed by Engineer in charge. |
| 28 | S&F PVC float valve high pressure with polythene float and fly nut complete screwed PVC pipe and fixed in 20mm/25mm dia bore pipe including taking down old unserviceable Float valve. |
| 29 | S&F low pressure switch/ high pressure switch of existing make and specifications including removing of refrigerant in empty cylinder and checking of pressure testing leak testing vacuum the system, charging the refrigerant in the system complete all as specified and as directed by the engr in charge. |
| 30 | S&F chilled water sensor as per existing specifications and make complete all as specified and directed by engr in charge |
| 31 | Removing old unserviceable PVC fills supply and lying of PVC fills of size 300mmx200mmx150mm complete all as specified and as directed. |
| 32 | Taking down old unserviceable fan motor with fan bladeof any size and supply and fixing, testing and commissioning of new fan motor along with fan blade of existing shape, size suitable for below given cooling tower capacities complete all as specified and as directed. |
| 33 | Up to 50 TR |
| 34 | More than 50 TR. |
| 35 | Taking down old unserviceable water sprinkler/ distribution system of any size and supply and fixing, testing and commissioning of new complete water sprinkler/ distribution system along with all connected accessories of existing shape, size suitable for below given cooling tower capacities complete all as specified and as directed.Note : Pipes shall be of thread type not shall be joined by solution but joined by screwing thread. |
| 36 | Up to 50 TR |
| 37 | More than 50 TR. |
| 38 | supply & fixing in repair of controller with digital display as per existing specifications and make suitable for below given capacities Central/ Package type AC unit complete all as specified and as directed.Note : This item includes complete controller including all connected relay, registers, inductors equipmentsto make controller functional. |
| 39 | Up to 24 TR |
| 40 | Above 24 TR to 60 TR |
| 41 | Above 60 TR to 75 TR |
| 42 | M&L for arresting of leakage in copper tube of heat exchanger of AHU and chiller unit by first detecting & locating the number of leaks using an appropriate procedure(i.e soap solution or nitrogen ) & arresting the leakage by spot brazing of the tubes on site and then recheck the leakage through pressure test by nitrogen gas to the complete satisfaction of engr-in-charge |
| 43 | Taking down old unserviceablegate valve and material and labour for gate valvewith rubber packing ofsize 25 mm complete all as specified and directed. |
| 44 | Labour only for arrangement of authorised engineer visit to identify the breakdown of any type of AC Plants and for PLC setting like temp/ voltage range setting and to carry out the necessary repair up to the complete satisfaction of Engineer in charge.Any minor item needed to repair shall be included in quoted rate. |
| 45 | Supply and charging of Refrigerant R-407 C in sealed container of 45/60kg complete all as specified Note: Contractor will have to use sealed container and have to show weight of container before and after gas charging, so that exact weight of gas can be calculated. |
| 46 | Removing old unserviceable thermal insulation and Supply and insulation of thermal insulation on ducts/chiller pipe line exposed to sun light using closed cell O nitrile rubber elastomeric insulationminimum thickness 20mm and recommended rubber based adhesive/ tapescomplete as per specifications. |
| 47 | Supply and fixing in replacement acoustic insulation of pipe line with glass wool having thickness 25 mm resin bonded fiber glass, of 48 kg/cum density, covered with and 28 G Aluminium perforated sheet all as specified. |
| 48 | M&L for replacement of Earthling complete with galvanized iron or steel plate electrode 600 mm x 600 mm x 6.00 mm thick buried directly in ground verticallyin pit of depth not less than 2.25 meter below normal ground level with top edge of the earth plate at a depth not less than 1.5 meter below normal ground level surrounded from all sides with mixture of charcoal andcommon salt in alternate layers and electrode connected to galvanized iron strip 32 x 6 mm dia as earthling lead by means of GI bolts, nuts, check nuts and washers, earth strip protected by galvanized steel pipe 40 mm bore (light grade) connected to machinery/equipment all as shown in electrical plate No. 3 of SSR-2010 Part I and including necessary excavation and earth work in any type of soil, 20mm bore light grade GI pipe for watering, funnel, wire mesh, PCC (1:3:6) type C-1 chamber, PCC (1:2:4) type B-1 reinforced with 6 mm dia MS round bars @ 15 cm c/c both ways for cover 50 mm thick and MS frame of suitable size made of angle iron 50 x 50 x 60 mm, complete all as specified. Note :- (i) The unit rate includes earth lead and protection pipe up to maximum 7.5 meter from earth plate to earth point/test point. (ii) Earth pit shall be constructed minimum 0.5 meter away from existing earth. |
| 49 | Taking down old unserviceable Air vent valve 15/20 mm and supply and fixing testing of air vent valve 15 mm complete all as specified and as directed . |
| 50 | Taking down old unserviceable MCCB of any capacity and Supply, Fixing, testing of MCCB 4 Pole, 415 V, 160 Amps with breaking capacity 36 KA. |
| 51 | Taking down old unserviceable MCCB of any capacity and Supply, Fixing, testing of MCCB 4 Pole, 415 V, Adjustable type, 200 Amps with breaking capacity 36 KA. |
| 52 | Taking down old unserviceable MCCB of any capacity and Supply, Fixing, testing of MCCB 4 Pole, 415 V, Adjustable type, 250 Amps with breaking capacity 36 KA. |
| 53 | Taking down old unserviceable MCCB of any capacity and Supply, Fixing, testing of MCCB 4 Pole, 415 V, Adjustable type, 350 Amps with breaking capacity 36 KA. |
| 54 | S&F, testing and commissioning power contactor of given specification and make used for running of AC unit\"s compressor or any other motor used for pumps, AHU blowers, cooling towers etc of below given capacities complete all as specified and as directed by engr in charge. |
| 55 | Up to 15 Ampere. |
| 56 | Above 16 A to 30 A. |
| 57 | Above 30A to 60 A. |
| 58 | M&L in replacement for control wiring with single core copper cable of size 1.5 sqmm for main panel of AC plant, AC unit panel, AHU panel etc all as specified and directed. |
| 59 | S&F compressor motor protection relay supply AC voltage 230 V, 50 Hz of existing sample as per site requirement complete all as specified and directed by engr in charge. ( Loc Igloo, 155 HU) |
| 60 | S&F in replacement over load relay 6 to 15 complete all as specified and directed by engr in charge |
| 61 | S&F single phase preventer relay of existing sample as per site requirement complete all as specified and directed by engr in charge. |
| 62 | M&L for replacement of control wiring of AHU or AC Plant panel with suitable copper conductor with all necessary connections all as specified and directed by engr-in-charge |
| 63 | Disconnecting, dismantling the defective three phase induction motor 415 Volts 50 Hz of any RPM for following capacities, Servicing and re-winding with super enameled copper wire of best quality of existing size/gauge and weight including replacement of insulation material, varnish bearing connection plate and all other petty items required to make the motor is functional and reassembling the motor including installation commissioning and testing on full load all as specified and as directed. |
| 64 | for motor of capacity up to 5 HP. |
| 65 | for motor of capacity 5 HP to 10 HP. |
| 66 | Disconnecting dismantling of centrifugal/ monoblock pump set of following capacities of any RPM and dismantling defective parts such as impeller nut,glant,impeller key,gland packing water deflector bush bearings sleeve,gaskets,volute stud a and nuts suction and delivery flange and stud and nuts and all other petty items required to make the pump setis functional and reassembling the pump set including installation commissioning and testing all as specified and as directed |
| 67 | for pump of capacity up to 5 HP. |
| 68 | for pump of capacity 5 HP to 10 HP. |
| 69 | Material and labour for fan beltfor usingof AHU Motor,Package unit,any size any plant of compressor complete all as specified and as directed. |
| 70 | Supply, Laying and testing MS pipes heavy grades (ERW steel) including cutting, bending and welding as per site requirement and specials with flanged and drilled ends, jointing materials like nuts, bolts and gasket etc of nominal dia 150 mm as per IS 1239 (1981) fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previousall as specified and directed. |
| 71 | Supply, Laying and testing MS pipes heavy grades (ERW steel) including cutting, bending and welding as per site requirement and specials with flanged and drilled ends, jointing materials like nuts, bolts and gasket etc of nominal dia 100 mm as per IS 1239 (1981) fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previousall as specified and directed. |
| 72 | Supply, Laying and testing MS pipes heavy grades (ERW steel) including cutting, bending and welding as per site requirement and specials with flanged and drilled ends, jointing materials like nuts, bolts and gasket etc of nominal dia 80 mm as per IS 1239 (1981) fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previousall as specified and directed. |
| 73 | Supply, Laying and testing MS pipes heavy grades (ERW steel) including cutting, bending and welding as per site requirement and specials with flanged and drilled ends, jointing materials like nuts, bolts and gasket etc of nominal dia 65 mm as per IS 1239 (1981) fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previousall as specified and directed. |
| 74 | Supply, Laying and testing MS pipes heavy grades (ERW steel) including cutting, bending and welding as per site requirement and specials with flanged and drilled ends, jointing materials like nuts, bolts and gasket etc of nominal dia 50 mm as per IS 1239 (1981) fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previousall as specified and directed. |
| 75 | Supply, Laying and testing MS pipes heavy grades (ERW steel) including cutting, bending and welding as per site requirement and specials with flanged and drilled ends, jointing materials like nuts, bolts and gasket etc of nominal dia 40 mm as per IS 1239 (1981) fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previousall as specified and directed. |
| 76 | Supply, Laying and testing MS pipes heavy grades (ERW steel) including cutting, bending and welding as per site requirement and specials with flanged and drilled ends, jointing materials like nuts, bolts and gasket etc of nominal dia 32 mm as per IS 1239 (1981) fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previousall as specified and directed. |
| 77 | Supply, Laying and testing MS pipes heavy grades (ERW steel) including cutting, bending and welding as per site requirement and specials with flanged and drilled ends, jointing materials like nuts, bolts and gasket etc of nominal dia 25 mm as per IS 1239 (1981) fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previousall as specified and directed. |
| 78 | Descaling of condenser with the help of descaling chemical and nylon brush and cleaning the floor completely after condenser descalingcomplete up to the satisfaction of the Engr in charge of the following capacity of the AC plant\"s unit of any make.Note:If descaling needed in any already descaled plant again during the complete contract period, same shall be done free of cost. Rate for the same shall be included in quoted rate. |
| 79 | Up to 15 TR Capacity. |
| 80 | above 15 TR to 30 TR Capacity |
| 81 | above 30 TR to 50 TR Capacity |
| 82 | above 50 TR to 75 TR Capacity |
| 83 | Excavation in trenches loose/soft soil not .exceeding 1.5 mtr wide and not exceeding 1.5 mtr depth for foundations, laying water mains, pipes, cables, etc getting out and forming bottom surface to required gradient complete all as specified |
| 84 | Returning filling in incl spreading leveling, watering and well ramming in layer not less than 25 cum each layer all as specified. |
| 85 | Removing excavated material to a distance not exc 50M anddepositing where directed at a level n.exc 1.5 mtr above the starting point complete all as specified |
| 86 | M&L for Gl sheet metal ducts made of Gl sheet of Class -VIII as per IS -277 of following thickness for supply air ducting as per IS - 655 and as required by the specifications for 24 gauge galvanised sheet steel complete. |
| 87 | Supply and fixing in replacement of old unserviceable earth continuity conductor of size 25X4 mm galvanised iron strip along with all necessary jointing material as directed by Engineer in charge. |
| 88 | Taking down unserviceable /burnt scroll compressor of capacity up to 10 TRand M & L for scroll compressor of capacity up to 10 TR suitable for any water/ air cooled package/ central AC plant of make blue Danfoss/ copeland etc including removing of refrigerant empty cylinder R-407 flushing the system with nitrogen gas pressure testing and leak repairing vaccumising the system 700 micron charging the refrigerant R-407 complete all as specified and directed by Engr in charge Note : (i) Make and model of compressor shall be exactly the same as per the existing compressor.(ii) Initial gas charge of compressorpaid under relevant item. |
| 89 | Taking down unserviceable liquid line filter drier of capacity up to 10 TRand M & L for liquid line filter drier of capacity up to 10 TR suitable for any water/ air cooled package/ central AC plant of make blue star/ Voltas etc including removing of refrigerant empty cylinder R-407/ R-22 flushing the system with nitrogen gas pressure testing and leak repairing vaccumising the system 700 micron charging the refrigerant R-407/ R-22 complete all as specified and directed by Engr in charge Note : Make and model of compressor shall be exactly the same as per the existing compressor. |
| 90 | All as per item no 66 but capacity above 10 TR to 15 TR |
| 91 | All as per item no 66but capacity more than 15 TR |
| 92 | Taking down old unserviceable Expansion valve of capacity up to 10 TR and supply, fixing and testing new Expansion valve of capacity up to 10 TRsuitable for water/ air cooled centerlised/ Package type AC plantcomplete all as specified and as directed .Note : Make and modelshall be exactly the same as per the existing installed. |
| 93 | All as per item no 69 but capacity above 10 TR to 15 TR |
| 94 | All as per item no 69 but capacity more than 15 TR |
| 95 | Taking down old unserviceable PLC card of AC plant Unit of any capacity and supply, fixing and commissioning new controller card suitable forwater/ air cooled centralised/ Package type AC plantcomplete all as specified and as directed .Note : Make shall be exactly the same as per the existing installed. |
| 96 | Supply and fixing in replacement of AHU pre filter ( box type) 10 micron of existing size (610 X 610 x 50mm) made of non woven synthetic material, aluminum/ GI profile frame complete all as directed. |
| 97 | Supply and fixing in replacement of 10000 Ltr PVC Make Up tank three layer, including overflow Valve, float Valve and connection complete all as specified and directed. Make - Supreme/ Sintex/ Astral/ Sheetal (BIS Certified)Note: Old foundation for existing water tank to be demolished and new foundation to be made as per the OEM recommendation and EIC direction, rate for the same shall be included in quoted rate. |
| 98 | Material and labour for repair ( leak sealing/ cracks/ broken body parts) of cooling tower body/ basin by using 02 coats of high quality FRP material, resins and waterproofing coating to the entire basin to ensure long term protection also checking and balancing the cooling tower fan and replacing corroded Nuts & Bolts complete all as directed. The following capacities of cooling tower is as under |
| 99 | up to 50 TR capacity |
| 100 | above 50 TR to 90 TR Capacity |
