REPAIR MAINT OF PUMPS MOTORS AND CONNECTED ITEMS OF AC PLANTS AT AF STATION SURATGARH

Amount

BOQ (REPAIR/MAINT OF PUMPS MOTORS AND CONNECTED ITEMS OF AC PLANTS AT AF STATION SURATGARH)

Removing old unserviceable under duck insulation with puf slab and supplying, fixing, testing and commissioning of under duck insulation with puf slab including application of cold bitumin of puf slab steel wire of size 46 guage fixed with MS tubular square pipe grid frame work 20x20 mm suitable for steel sheet roof, complete all as specified & directed by Engineer-in-Charge

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 nitil rubber elastometric insulation of density 40-55 kg/m3 thermal conductivity of 0.037 W/mk at 20 degree celcius mean temp and MZ 7000(without any additional vapour barrier)and with chemical threatted factory laminated Woven fibre glass cloth with 200+/- 20 gsm to be applied on ducts manufactureds reccomended rubber based adhesive in a blend of solvents, complete all as specified & directed by Engineer-in-Charge

Descaling of condensor with the help of descaling chemical and nylon brush and cleaning of AHU filters blowers etc complete for the satisfaction of the Engr in charge of the following capacity of the AC plants of any make, complete all as specified & directed by Engineer-in-Charge:-

Labour for servicing of AC plants of following capacities safety checking and setting for using suitable size of single core copper cable with copper lugs and micro processor control Electric panels pnematric rewiring of controller servicing of all AHU of any CFM cleaning and washing of filter of AHU of any size / any CFM, greasing of condensor / chiller motor pump and filling Glantory with existing size, if any rubber packing is unserviceable to change new rubber packing and cleaning and washing of syphon, cleaning and washing of syphon, cleaning and washing of cooling coil for using a chemical C-shine (alkaline coil cleaner and brightener)and testing complete unit, complete all as specified & directed by Engineer-in-Charge Note: Blue star /Voltas company authorised technician for servicing the AC plants with company servicing licence submitted through Engr-in-Charge before approval for servicing the plants.

Cleaning of cooling tower with one or two as per existing size, water basin and makeup tank with the help of chemical and nylon brush,removing and refixing of PVC finches after washing, cleaning of condenser pipe line( in let and out let) including painting of out side of cooling tower with inlete and out let 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 etc complete for the satisfaction of the Engr-in-charge of the following capacity of the AC plants at diffrent locations complete all as specified and as directed

Removing old unserviceable port Y striner CI and material and labour for Y strainer 150mm size CI of both end flanged, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Removing old unserviceable port Y striner CI and material and labour for Y strainer 125mm size CI of both end flanged, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Removing old unserviceable port Y striner CI and material and labour for Y strainer 100mm size CI of both end flanged, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Removing old unserviceable port Y striner CI and material and labour for Y strainer 80mm size CI of both end flanged, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Removing old unserviceable port Y striner CI and material and labour for Y strainer 65mm size CI of both end flanged, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Removing old unserviceable port Y striner CI and material and labour for Y strainer 50mm size CI of both end flanged, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Taking down old unserviceable butter fly valve and material and labour for butter fly valve of size 150 mm, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Taking down old unserviceable butter fly valve and material and labour for butter fly valve of size 125 mm, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Taking down old unserviceable butter fly valve and material and labour for butter fly valve of size 100 mm, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Taking down old unserviceable butter fly valve and material and labour for butter fly valve of size 80 mm, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Taking down old unserviceable butter fly valve and material and labour for butter fly valve of size 65 mm, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Taking down old unserviceable butter fly valve and material and labour for butter fly valve of size 50 mm, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Taking down old unserviceable butter fly valve and material and labour for butter fly valve of size 40 mm, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Taking down old unserviceable butter fly valve and material and labour for butter fly valve of size 32 mm, complete all as specified & directed by Engineer-in-Charge Make:Adeco/Zoloto or equivalent.

Taking down old unserviceabvle fan motor with fan blade of any size and supply and fixing, testing and commissioning of fan motor 5HP, 900 rpm suitable for 100TR cooling tower with fan blade (4 blade), complete all as specified & directed by Engineer-in-Charge Make :Kirloskar/Crompton/Oswal or equivalent.

Removing old unserviceable PVC finches supply and Fixing of PVC finches of size 300mm x 200mm x 150mm, complete all as specified & directed by Engineer-in-Charge

Taking down old unserviceable chiller / condensor mono block pump set of any size/capacity and supply and fixing commissioning and testing of condensor/chiller monoblock pump set of capacity 5HP (80mmx65mm) 23 mtr head,10 LPs, complete all as specified & directed by Engineer-in-Charge Make Kirloskar model No.KDS/525 or Crompton or equivalent.

Taking down old unserviceable chiller / condensor mono block pump set of any size/capacity and supply and fixing commissioning and testing of condensor/chiller monoblock pump set of capacity 7.5KW/10HP (80mmx65mm) 25 mtr head,14 LPs, complete all as specified & directed by Engineer-in-Charge. Make Kirloskar model No.KDS-1040++ or Crompton or equivalent.

Taking down old unserviceable pressure guage supply and fixing testing of pressure guage of 0 to 100 PSI, complete all as specified & directed by Engineer-in-Charge

Material and labour for cutting of existing MS pipe supply and welding of 32 mm flange of both sides with suitable holes and fixing socket, nipple and 15 mm ball valve, complete all as specified & directed by Engineer-in-Charge

Material and labour for cutting of existing MS pipe supply and welding of 40 mm flange of both sides with suitable holes and fixing socket, nipple and 15 mm ball valve, complete all as specified & directed by Engineer-in-Charge

Material and labour for cutting of existing MS pipe supply and welding of 50 mm flange of both sides with suitable holes and fixing socket, nipple and 15 mm ball valve, complete all as specified & directed by Engineer-in-Charge

Material and labour for cutting of existing MS pipe supply and welding of 65 mm flange of both sides with suitable holes and fixing socket, nipple and 15 mm ball valve, complete all as specified & directed by Engineer-in-Charge

Material and labour for cutting of existing MS pipe supply and welding of 80 mm flange of both sides with suitable holes and fixing socket, nipple and 15 mm ball valve, complete all as specified & directed by Engineer-in-Charge

Material and labour for cutting of existing MS pipe supply and welding of 100 mm flange of both sides with suitable holes and fixing socket, nipple and 15 mm ball valve, complete all as specified & directed by Engineer-in-Charge

Taking down old unserviceable water flow switch of any size supply and fixing testing of water flow switch of suitable size including suitable wiring with controler panel, complete all as specified & directed by Engineer-in-Charge

Taking down unserviceable /burnt scroll compressor of capacity 5.5 TR and M L for scroll compressor of capacity 5.5 TR suitable for 11 TR water cooled package unit of make blue star including removing of refrigerent empty cylinder R-407 flushing the system with nitrogen gas pressure testing and leak reparing vaccumising the system 700 micron charging the refrigerent R-407, complete all as specified & directed by Engineer-in-Charge Make : Copeland scroll model No ZR72KCE-TFD-52E or equivalent. Note : Initial charge of refrigerent, oil is included in the quoted rate.

Taking down unserviceable /burnt scroll compressor of capacity 8.5 TR and M L for scroll compressor of capacity 8.5 TR suitable for 8.5 TR water cooled package unit of make voltas including removing of refrigerent empty cylinder R-407 flushing the system with nitrogen gas pressure testing and leak reparing vaccumising the system 700 micron charging the refrigerent R-407, complete all as specified & directed by Engineer-in-Charge Make : Danfoss Model No HCP109T4LC6 or equivalent. Note : Initial charge of refrigerent, oil is included in the quoted rate.

Taking down unserviceable /burnt scroll compressor of capacity 8.5 TR and M L for scroll compressor of capacity 8.5 TR suitable for 17 TR water cooled package unit of make voltas including removing of refrigerent empty cylinder R-407 flushing the system with nitrogen gas pressure testing and leak reparing vaccumising the system 700 micron charging the refrigerent R-407, complete all as specified & directed by Engineer-in-Charge Make : Danfoss Model No SM120 or equivalent. Note : Initial charge of refrigerent, oil is included in the quoted rate.

Taking down unserviceable /burnt scroll compressor of capacity 12.5 TR and M L for scroll compressor of capacity 12.5 TR suitable for water cooled plant of make voltas including removing of refrigerent empty cylinder R-407/R-22 flushing the system with nitrogen gas pressure testing and leak reparing vaccumising the system 700 micron charging the refrigerent R-407/R-22, complete all as specified & directed by Engineer-in-Charge Make : Danfoss Model No SZ185S4RCSM185S4RC or equivalent. Note : Initial charge of refrigerent, oil is included in the quoted rate.

Taking down unserviceable /burnt scroll compressor of capacity 19.5 TR and M L for scroll compressor of capacity 19.5 TR suitable for 76 TR water cooled plant of make voltas including removing of refrigerent empty cylinder R-407 flushing the system with Sith nitrogen gas pressure testing and leak reparing vaccumising the system 700 micron charging the refrigerent R-407, complete all as specified & directed by Engineer-in-Charge Make : Danfoss Model No SY300A4PBE or equivalent. Note : Initial charge of refrigerent, oil is included in the quoted rate.

Taking down unserviceable liquid line filter drier and material and labour liquid line filter drier suitable for 8.5 TR water cooled package unit of make voltas including removing of refrigerent empty cylinder R-407 flushing the system with nitrogen gas pressure testing and leak reparing vaccumising the system 700 micron charging the refrigerent of R-407, complete all as specified & directed by Engineer-in-Charge Make :Danfoss Model No.023Z50 or equivalent.

Taking down unserviceable liquid line filter drier and material and labour liquid line filter drier suitable for 5.5 TR water cooled package unit of make voltas including removing of refrigerent empty cylinder R-407 flushing the system with nitrogen gas pressure testing and leak reparing vaccumising the system 700 micron charging the refrigerent of R-407, complete all as specified & directed by Engineer-in-Charge Make :Danfoss DLL-165 or equivalent.

Taking down unserviceable liquid line filter drier and material and labour liquid line filter drier suitable for 12/12.5 TR water cooled package unit of make voltas including removing of refrigerent empty cylinder R-407 / R-22 flushing the system with nitrogen gas pressure testing and leak reparing vaccumising the system 700 micron charging the refrigerent of R-407 / R-22, complete all as specified & directed by Engineer-in-Charge Make :Danfoss or equivalent.

Taking down unserviceable liquid line filter drier and material and labour liquid line filter drier suitable for 19.5 TR water cooled package unit of make voltas including removing of refrigerent empty cylinder R-407 / R-22 flushing the system with nitrogen gas pressure testing and leak reparing vaccumising the system 700 micron charging the refrigerent of R-407 / R-22, complete all as specified & directed by Engineer-in-Charge Make :Danfoss or equivalent.

Removing old unserviceable condenser and supply and fixing testing and commissioning of condenser existing size and maximum working pressure of tube side 120 PSI and shell side 315 PSI at 150 Degree Farren Heat and Pnematic test pressure tube side 150 PSI and Shell side 375 PSI suitable for 24 TR water cooled central AC plants complete all as specified and as directed by Engr in Charge. Make Voltas Model .09015TX or equivalent in Blue Star

Removing old unserviceable controle panel and supply and fixing testing and commissioning of controler panel suitable for 24 TR water cooled centralised AC plant of existing size and suitable capacity of PLC, power contctor and MP2VD and controller etc. complete all as specified and as directed. Make :Voltas/Blue star or equivalent.

Reapair of unserviceable controler and testing and commissioning of controler suitable for 17 TR water cooled package unit,removing unserviceable parts and fixing new parts such as IC, push button, wirings, etc complete all as specified and as directed.

Taking down old unserviceable Expansion valve and supply and fixing testing and commissioning of expansion valve suitable for water cooled centaralised AC plant double unit, complete all as specified & directed by Engineer-in-Charge

Taking down old unserviceable Expansion valve and supply and fixing testing and commissioning of expansion valve suitable for 19.5 TR compressor for using 78 TR water cooled centaralised AC plant double unit, complete all as specified & directed by Engineer-in-Charge

Taking down old unserviceable Expansion valve and supply and fixing testing and commissioning of expansion valve suitable for 8.5 TR compressor for using 17 TR water cooled centaralised AC plant double unit, complete all as specified & directed by Engineer-in-Charge

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 & directed by Engineer-in-Charge

Supply and fixing MCB TP 63 Amp 415 volt, including taking down old unserviceable MCB, complete all as specified & directed by Engineer-in-Charge. Make: Legrand/Siemens/Schneider or equivalent.

Supply and fixing MCB TP 40 Amp 415 volt, including taking down old unserviceable MCB, complete all as specified & directed by Engineer-in-Charge. Make: Legrand/Siemens/Schneider or equivalent.

Supply and fixing MCB TP 6 to 32 Amp 415 volt, including taking down old unserviceable MCB, complete all as specified & directed by Engineer-in-Charge. Make: Legrand/Siemens/Schneider or equivalent.

Supply and fixing water line temprature meter of size 15 mm 0-50 degree celcius, including taking down old unserviceable meter, complete all as specified & directed by Engineer-in-Charge

Supply and fixing pressure transducer 16/18 bar, suitable for 50 TR water cooled central type AC plants, including taking down old unserviceable pressure transducer bar, complete all as specified & directed by Engineer-in-Charge. Make: Danfoss ser No AKS3000060G1068 or equivalent.

Supply and fixing pressure transducer 30/40 bar, suitable for 50 TR water cooled central type AC plants, including taking down old unserviceable pressure transducer bar, complete all as specified & directed by Engineer-in-Charge. Make: Danfoss ser No AKS3000060G1081 or equivalent.

Supply and fixing chilled water sensor, including taking down old unserviceable sensor, complete all as specified & directed by Engineer-in-Charge

Supply and fixing power contactor 32 Amps, including taking down old unserviceable power contactor, complete all as specified & directed by Engineer-in-Charge Make : Model No.MNX-A2 or equivalent.

Supply and fixing power contactor 25 Amps, including taking down old unserviceable power contactor, complete all as specified & directed by Engineer-in-Charge Make : Model No.MNX-A1 or equivalent.

Supply and fixing power contactor MNX-18 Amps, including taking down old unserviceable power contactor, complete all as specified & directed by Engineer-in-Charge Make : Model No.MNX-18 or equivalent.

Supply and fixing over load relay 9 to 15, including taking down old unserviceable relay, complete all as specified & directed by Engineer-in-Charge Make :Model No.ML 2 of L&T or equivalent.

Supply and fixing over load relay 6 to 10 Amp, including taking down old unserviceable relay, complete all as specified & directed by Engineer-in-Charge Make :Model No.ML 2 of L&T or equivalent.

Supply and fixing line phase failiure switch 440 v complete all as specified and directed by the Engineer-in-Charge. Make:dyna or equivalent.

Supply and fixing high pressure switch (HP switch) up to 260 PSI No and 190 PSI NC including removing of refrigerent in empty cylinder and checking of pressure testing leak testing vaccum the system of 700 micron charging the refrigerent in the system, complete all as specified & directed by Engineer-in-Charge Make:Danfoss or equivalent.

Supply and fixing low pressure switch (LP switch) up to 25 PSI No and 45 PSI NC including removing of refrigerent in empty cylinder and checking of pressure testing leak testing vaccum the system of 700 micron charging the refrigerent in the system, complete all as specified & directed by Engineer-in-Charge Make:Danfoss or equivalent.

Removing old unserviceable chiller shell and tube and supply and installation testing and commissioning of chiller shell and tube type make voltas suitable for 24 TR double circuit 12x2 TR including of pressure testing and leak reparing and vaccum the system on 700 micron and gas charging and testing of chiller plant of 24 hour, complete all as specified & directed by Engineer-in-Charge Make: voltas plant model no WCDS024DMN or equivalent of Blue star Note:Contractor submitted the original test certificate with warrenty certificate by manufacturer

Supply installation testing and commissioning of FRP cooling tower of suitable heat rejection capacity with FRP water basin PVC fills water distribution arrangement with self rotating sprinkleres or fixed nozzles of PVC construction staticaly and dynamically balanced axile flow fan direct driven, TEFC motor,suction screen make up and quick till arangement over flow and drain connections suitable GI inspection ladder, steel supporting structure, antivibration mounting etc complete as per manufactures design / specifications, complete all as specified & directed by Engineer-in-Charge Note:- The capacity 50 TR shown is nominal capacity of refrigeration. The cooling tower shall be refrigeration capacity plus heat of compression which is 25% (Appron) of refregeration capacity. The cooling tower shall meet the load in both summer and monsoon. Make: Global, delta, Meheier and Pahar Pur or equivalent.

Shifting of cooling tower from one location to another location and fixing testing and commissioning of FRP cooling tower of suitable heat rejection capacity with FRP water basin PVC fills water distribution arrangement with self rotating sprinkleres or fixed nozles of PVC construction staticaly and dynamically balanced axile flow fan direct driven, TEFC motor,suction screen, over flow and drain connections suitable GI inspection ladder, steel supporting structure, antivibration mounting etc.complete all as specified and as directed.

Supply and fixing condenser safety valve of capacity 180 to 300 PSI, including taking down old unserviceable safety valve, complete all as specified & directed by Engineer-in-Charge

Material and labour for replacement for microprocessor controller for 11 TR ductable units, complete all as specified & directed by Engineer-in-Charge. Model No ECODSA-1322 or equivalent.

Supply installation testing and commissioning of motorised combine fire damper of size 18" x 18" complete with control panel with smoke senser inter connecting wiring at locations as per existing size complete as in repairs etc all as directed by Engineer-in-Charge.

Description complete all as per item No 68 but for actures all as directed by Engineer-in-Charge.

MCCB four pole 400 Amps with breaking capacity 50 kA, 415 Volts including making all incoming/ outgoing connections fixed as in repair complete all as specified and directed by Engineer in Charge. Make :- Legrand/L&T/Schneider /C&S/Havells or equivalent makes as specified in Appendix 'B' List of Makes.

Disconnecting, dismantalling the defective three phase induction motor 415 Volts of fan motors 50 HZ of any RPM for following capacities and re-winding with super enamelled copper wire of best quality of existing size/gauge and weight inciuding raplacement 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, complete all as specified & directed by Engineer-in-Charge

Disconnecting dismatiling of cetrifugal monoblock pump set of following capacities of pump any RPM and dismantiling defective parts such as impeller nut,glant,impeller key,gland packing water deflector bush bearings sleeve,gaskets,volute stud a nd nuts suction and delivery flange and stud and nuts and all other petty items required to make the pumpset is functional and reassembling the pumpset including installation commissioning and testing, complete all as specified & directed by Engineer-in-Charge

Note for ser item No 71 & 72 :- Transportation charges from the installation to contractor work shop and back after repair are to be included in the unit rate quoted for the above item.

Overhauling of compressor of make ACCEL and model No 2075 including dismantiling and opening of compressor and supply and charging of refrigerent gas and compressor oil machining and carring out mechanical repair work etc. and replacement of wourn out spare parts for smooth functioning of compressor and testing of satisfactor operation, complete all as specified & directed by Engineer-in-Charge Note:- 1. The spare parts required for replacement shall be meassured and paid seperately under respective items as supply only 2. Some spare parts which are not mentioned but are required for smooth and proper functioniing operation of compressor are deemed to be included in the unit reate of this item 3. Compressor shall be repaired with in a reasonable time through allowed by engr in charge. 4. Compressor shall be reparied from an authorised mechanical and authoried work shop of the manufacturer of the compressor how ever while undertaking the repair work contractor shall produce the documntation proof in this regard 5. After overhauling of the compressor same shall be tested in case of any shortcoming noticed during testing shame shall be rectified by the contractor at his own cost and unit rate of this item include this amount. 6. Charging of refrigerent gas shall be done by other firm as per directions of AGE E/M however the gas shall be measured and paid seperately as supply only under respective item.

Supply only following spares for reciprocating compressor 15 TR of make ACCEL (SMC-4.65) and model No.2075, complete all as specified & directed by Engineer-in-Charge Note contractor shall produce the original purchase vouchers of each spare parts for the entire quantity and shall be entered in MB duly signed by all concerned.

Ring set

Piston with Gudgeon pin with standard size of ACCEL Plant

Big end bearing

Small end bearing

Main bearing

Suction valve read

Discharge valve read

Gasket set SMC 4.65 complete kit

Oil pump repair kit

Thrust washer

Shaft rare assembly

Discharge valve assembly

Cylinder liner

Crank shaft standred size

Overhauling of compressor of make ACCEL and model SMC-3-65 including dismantiling and opening of compressor and supply and charging of refrigerent gas and compressor oil machining and carring out mechanical repair work etc. and replacement of wourn out spare parts for smooth functioning of compressor and testing of satisfactor operation, complete all as specified & directed by Engineer-in-Charge Note:- 1. The spare parts required for replacement shall be meassured and paid seperately under respective items as supply only 2. Some spare parts which are not mentioned but are required for smooth and proper functioniing operation of compressor are deemed to be included in the unit reate of this item 3. Compressor shall be repaired with in a reasonable time through allowed by engr in charge. 4. Compressor shall be reparied from an authorised mechanical and authoried work shop of the manufacturer of the compressor how ever while undertaking the repair work contractor shall produce the documntation proof in this regard 5. After overhauling of the compressor same shall be tested in case of any shortcoming noticed during testing shame shall be rectified by the contractor at his own cost and unit rate of this item include this amount. 6. Charging of refrigerent gas shall be done by other firm as per directions of AGE E/M however the gas shall be measured and paid seperately as supply only under respective item.

Supply only following spares for reciprocating compressor 6.5 TR of make ACCEL (SMC-3.65) and model No.2075, complete all as specified & directed by Engineer-in-Charge Note contractor shall produce the original purchase vouchers of each spare parts for the entire quantity and shall be entered in MB duly signed by all concerned.

Ring set

Piston with Gudgeon pin with standard size of ACCEL Plant

Big end bearing

Small end bearing

Main bearing

Suction valve read

Discharge valve read

Gasket set SMC 3.65 complete kit

Oil pump repair kit

Thrust washer

Shaft rare assembly

Discharge valve assembly

Cylinder liner

Crank shaft standred size

Material and labour for testing of terminal connecting plate suitable for 10HP/7.5HP/5HP/3HP/2HP of monoblock pumpset, complete all as specified & directed by Engineer-in-Charge

Material and labour for testing of cooling fan suitable for 10HP/7.5HP/5HP/3HP/2HP of monoblock pumpset, complete all as specified & directed by Engineer-in-Charge

Material and labour for fan body cover mild steel with suitable size of nuts and bolts for 10HP/7.5HP/5HP/3HP/2HP of monoblock pumpset, complete all as specified & directed by Engineer-in-Charge

PVC float valve high pressure with polythene float and fly nut complete screwed PVC pipe and fixed in 15mm/20mm dia bore pipe including taking down old unserviceable float valve, complete all as specified & directed by Engineer-in-Charge

Supply and fixing air cooling unit as per existing size and capacity 250 CFM of copper piping with aluminium finches complete all as specified and as directed.

Material and labour for fanbelt for using of AHU Motor, Package unit, any size any plant of compressor complete all as specified and as directed.

Supply and charging of Refrigerent R-22 in sealed container of 45 kg, complete all as specified & directed by Engineer-in-Charge Make:Freon/Mafron/Mayfair or equivalent.

Supply and charging of Refrigerent R-407 C in sealed container of 45 kg, complete all as specified & directed by Engineer-in-Charge Make:Freon/Mafron/Mayfair or equivalent.

Supplay and replacement of compressor oil in barrels/drum of capacity 210 Ltrs duly company sealed for using in reciprocating compressor, complete all as specified & directed by Engineer-in-Charge

Demolition of brick work or stone boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches , pillars etc & removing debries out of MoD land, complete all as specified and directed by the Engineer-in-Charge.

Brick work with sub class 'B' , straight or curved on plan not exc 6m mean raidus built in cement mortar 1:6, complete all as specified and directed by Engineer-in-Charge.

Demolition of cement concrete (unreinforced) in ground floors and paving not exc. 15 cm thickness (below or above ground level), including removal of rubbish in low lying area, complete all as specified and directed by the Engineer in Charge.

Plain cement concrete, (1:4:8) type D-2, using 40 mm graded mechanically crushed stone aggregates as in foundation, filling and mass concrete complete all as specified and directed.

Plain cement concrete (1:3:6) type C-1, using 20mm graded stone aggregate as in coping, bands etc like incl weathering, slightly rounded or chamfered throating as directed incl form work (straight or curved) and finish all exposed surface facing of concrete , complete all as specified and directed by Engineer-in-Charge.

Dismantling of wrought iron or mild steel work any description and fixed in any position complete all as specified and directed.

Rolled mild steel joist, channel, angle, flat iron or Tee sections, fixed independently without connecting plates etc, confirming to Fe – 410 – W (Gde E - 250) quality 'B' complete all as specified and directed.

Preparation of old painted surface of MS/CI pipes such inlet /out let 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)

Supply, Laying and testing MS pipes (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 3589 (1981) thickness 6.0 mm fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previous all as specified and directed.

Supply, Laying and testing MS pipes (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 3589 (1981) thickness 6.0 mm fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previous all as specified and directed.

Supply, Laying and testing MS pipes (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 3589 (1981) thickness 6.0 mm fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previous all as specified and directed.

Supply, Laying and testing MS pipes (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 3589 (1981) thickness 6.0 mm fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previous all as specified and directed.

Supply, Laying and testing MS pipes (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 3589 (1981) thickness 6.0 mm fixed in replacement of existing u/s complete by cutting road and footpath and making surface good as previous all as specified and directed.

Taking up condenser from AC Plant and transporting to condenser manufacture workshop and Removing old unserviceable copper tube from condenser and supply fixing testing and commissioning copper tube cell for existing size and existing capacity and nos of copper cell for condenser suitable for 15TR ACCEL unit complete all as specified and as directed. NOTE: Warrenty of condenser is defect liability period is Minimum Two years of completion of contract.

Supply and installation testing and commissioning of electric strip heater of 3 KW complete all as specified and as directed. Make :Das pas/Standared/Crown or equivalent.

Contract Amount shall be derived after affecting the amount of Schedule of Credit in General Summary on serial page No 14 of tender documents.

SRI SAI CONSTRUCTION COMPANY