COMPREHENSIVE MAINTENANCE AND REPAIR OF CENTRAL AC, PACKAGE, DUCTABLE AND VRF PLANTS INSTALLATIONS AT VARIOUS LOCATIONS UNDER GE (FW) KOLKATA

Amount

NOTES :(i)The bidders/contractors are advised to read tender document & all corrigendum/ amendments and General conditions of contracts before entry/quoting the rates. (ii) It is highlighted that the cretin condition of General Condition Of Contracts (IAFW-2249) has been modified as direction of MOD i.e inclusion of performance security, deletion of risk & cost provisions and increase in defects liability period all as specified in tender document. The tenderers should keep in mind while quoting their offer

Material & Labour for vacuuming complete system of central air conditioning plant (Make: York) at Signal Centre(3x45TR) with double stage vacuum pump of (-) 2Kg/cm² vacuum pressure after repairs to compressor or repair in refrigeration system, charging the dry nitrogen gas and hold up to 24 hrs and rectifing the leackage if any by repairing the "O" ring and gland packing of service valve/ Oil seal, pressure testing and vaccumising complete system with double stage vaccum pump to below atmospheric preesure 28 to 30 mm/HG including top up the compressor oil and charging the refrigerant gas (R-22) at various plant all as specified and directed by Eng-in-charge. Note :- (a) Referigerant Gas R-22, Nitrogen gas and compressor oil will be measured and paid separately under relevant items. (b) Once charged the R - 22 gas, it should hold in the system minimum six month, if the gas leaked from the system the contractor has to charged gas at his own cost. (C) MES No. 632/0001-CR/12/02 , 632/0001-CR/13/02 , 632/0001-CR/14/02

Material & Labour for De- scaling the shell and tube condensor of Central type AC Plant at Signal Centre(3x45TR) by circuilating de-scaling chemical through for 2 to 3 hours. Opening the end cover of condensor and cleaning inner tubes manually with the help of nylon / wire brush until complete scale to be removed and flush out with fresh water. Reassembling the end cover including replacement of gasket, bolts, nuts etc as required and commissioning complete all as directed by Eng-in-charge. Note:- (a) De-Scaling of all Condensors of AC Plants as mentioned below is to be done twice in year respectively and rate to be quoted accordingly by the Contractor (b) . MES No.632/0001-CR/12/02 , 632/0001-CR/13/02 , 632/0001-CR/14/02

Material and labour for isolating the reciprocating compressor of Central type AC Plant at Signal Centre (3 x 45 TR) by loosing/ cutting nuts and bolts at suction and discharge valve opening of compressor, removing the unservicable/ damaged internal parts, cleaning, overhauling complete, replacement of wornout parts such as suction reeds, discharge reeds, safety valve, loading/ unloading mechanism, piston, rings, springs, washers, nuts and blots, gasket set, shaft seal, 'O' ring set, recharging compressor oil and refrigerant after pressure test and vaccum testing complete all as directed by Eng-in-charge. Note:- (a)Spare parts will be easured and paid separately under respective item as "Supply only" (b) MES No. 632/0001-CR/12/02 , 632/0001-CR/13/02 , 632/0001-CR/14/02

Supply only spares of compressor of OEM make to incorporate against item no 3 & 4 above :-

Piston Ring

Cylinder liner

Oil strainer

Safety valve assembly

Crank Shaft seal with assembly

Connecting rod

Neoprene 'O' ring with aluminium washer

Piston pin

Suction valve ring plate including reeds

Discharge valve ring plate including reeds

Main bearing bush (Bushing with detachable collar)

Piston

Suspension rod (Single frame for unloading)

Rocker arm for unloading mechanism

Valve spring

Spring for unloading ring

Discharge valve assembly

C.R. bearing u/size

Suction strainer

Gear wheel for oil pump (driving)

Gear wheel for oil pump (driven)

Reconditioning of crank shaft retrieved from item No 5.01 & 5.02 by cutting / turning for under size at lathe work complete all as directed.

Supply and fixing in repair loading unloading valve including necessary wiring and copper pipe line of suitable size and length complete all as pecified and directed.

Supply and fixing in repair togal switch one way 5 Amps. Capacity complete all as specified and directed

Dismantling and taking up unserviceable electric motors of any size/ capacity and make from foundations after disconnecting electric connections and transportation from site to work shop for carrying out repairs / rewinding of motors as required incluidng re-fixing in position and connecting and testing complete all as directed.

Opening up short circuited electric induction motor, 3 phase AC 440 Volts, cutting and removing the burnt stator winding coils complete and re-winding the same with super enamelled copper conductor wires of appropriate size as per the existing gauge and weight including cleaning of slots, all necessary insulating materials, varnishing, dryining complete all as specified and directed at site for the following capacity :-

Supply and fixing terminal connector for motors of the following capacity :-

Supply and fixing PVC fan blade for motors of the following capacity :-

Repairs to squirrel cage induction motor shaft by welding / grinding, polishing to required sizes for motors of the following capacity :-

Replacement of pump end ball bearing suitable for following capacity :-

Carrying out repair to Centrifugal pump 10 HP after dismantling the assembly complete for replacement of worn out spares such as impellers, pump shaft, sleeves, bushes etc; including filling, turning & polishing works to pump shaft, GM impellers as necessiated, reassembling the pump after repairs and testing complete including applying a coat of water proof epoxy paint to the external surfaces of pump all as specified and directed. Note : Any spares requires to be replaced will be measured and paid separately under respective item as "Supply" only.

Supply and fixing GM impellers for Centrifugal pump 10 HP with key and bushes complete all as directed

Supply and fixing Pump Shaft steel for Centrifugal pump 10 HP with key and bushes complete all as directed

Supply & fixing Bearing & bush for Centrifugal pump 10 HP with key and bushes complete all as directed

Supply and fixing Motor coupler sleeve with key suitable for Centrifugal pump set 10 HP of existing make/capacity complete all as directed.

Supply and fixing PVC insulated and sheathed FRLSH submersible copper flat cable, 3 core, with multi-stranded copper conductor of 1100 volts grade and size 10 sq mm complete all as directed by Engineer-in-Charge.

Supply and fixing PVC insulated and sheathed FRLSH copper cable, 16 sq mm, Single core, with multi-stranded copper conductor of 1100 volts grade complete all as directed by Engineer-in-Charge.

Supply and charging of refrigerant gas (R-22) to refrigeration and A/C system and testing for leakage in system and commissioning complete up to the satisfaction and as directed by Engineer-in-Charge

Supply and charging of compressor oil N-68 after flushing compressor and testing complete all as specified and directed .

Material & Labour for Opening of short circuited DIDW Centrifugal Blower motor 4000 cfm , cutting and removing the burnt stator winding coils complete and re-winding the same with super enamelled copper conductor wires of appropriate gauge and quantity as per the existing one including cleaning of slots, all necessary insulating materials, varnishing, dryining complete and refixing the same complete all as specified and directed.

Supply and charging of nitrogen gas for leak testing of central A/C plant system complete all as directed.

Supply and fixing in repair pressure gauge 4"dia suitable for refrigerent gas ( R-22) and compressor oil including copper pipe of suitable dia and length (Min 2m Long) with flair nuts/adopter at both ends,range of gauge (-)30 to 300 Psi complete all as specified and directed

Material & Labour for replacement of wornout / unserviceable "V" belt for power transmission of following sizes :-

Replacement of unservicable control cutouts of central type A/c plants and testing complete as directed by Engineer-in-Charge.

(a) Oil Pressure cutout MP-55

(b) High pressure cutout MP-1

(c) Low pressure cutout MP-5

Supply and fixing in repair thermometer to condenser / chiller inlet or outlet pipe including addition alteration to pipe line for fixing thermometer Range 0 F to 100 F complete all as specified and directed

Supply and fixing in repair pressure relief valve of condensor 3/8" BSP threaded suitable for 300 PSI complete all as specified and directed

Supply and fixing in repair following worn out HRC fuses:-

Supply and fixing in repair AHU filter of various sizes made of wire mesh for air filteration upto 15 microns complete all as specified and directed.

Supply and fixing in repair single phase preventer in electric panel board at central type AC plants complete all as per direction of Eng-in-charge.

Supply and fixing in repair power contactor 3 pole, coil voltage 230/415 Volts for following capacity motors:-

Supply and fixing in repair bimetal over load relay of following ranges:-

Supply and fixing MCCB 100Amps ,415 volt, AC 50 Hz, 4 pole, 50 KA with thermal magnetic release, adjustable Over load and short circuit settings including taking out old unserviceable MCCB complete all as specified and directed.

All as per Item No 36 here-in-before but 63 Amps capacity

Digital LED Panel Meter 3Ph, 4W IPM 240 V (L-N) 1 A Class 1 FM suitable for measuring Alternating Voltage , Alternating Current , KW ,KVA , PF etc. Make:- L&T / Legrand / Schneider

CT's of suitable ratio for LT 3 phase system, 1.1 kv grade, single burden, general purpose, of CT ratio as per site requirement. Make:- L&T / Legrand / Schneider

LED Indicator Lamps for each phases including holders and of colours red / yellow / blue etc.

Electric Timer Switch of starter 240 /360 / 415 v, 50 Hz Make:- L&T / Legrand / Schneider

MCB FP 32 Amps , C Curve, 50 Hz, 10 kA complete all as specified and directed. Make:- L&T / Legrand / Schneider

Supply & fixing in repair Push button assembly in green or red colour complete all as directed by Eng-in-charge.

Supply and fixing in repair add-on block with 2NO - 2NC contacts complete all as directed by Eng-in-charge.

Servicing of cooling tower of Central AC plant at Signal Centre(3x45 TR) by draining water, cleaning the tank by costic soda, repairing of sprinklers, replacement of frills, repairing the bracket for fixing the frills to CT of any capacity. Repairing / cleaning the FRP cooling tower of capacity upto 20 ton , top / side covers , removing the fan motor assembly , over hauling the fan motor , taking down the sprinkler , water main header pipe , PVC frills (Honeyconub) , cleaning throughly incl replacing the bearing of fan, and reassembled in all respect for smooth functioning Note :- (a) Cooling tower frills, sprinklers & Fill Pack Sheet will be measured and paid separately under relevant items. (b) Cost of costic soda shall be included in quoted rate. (c) Rewinding of fan motor if any shall be paid against item No 10 here-in-before

Material & Labour for replacement PVC frills made out of PVC materials including fixing arrangements complete all as specified and directed.

Supply & fixing Fill pack Sheet in cooling tower of existing make, shape and size complete all as specified and directed.

Material & labour for painting to GI pipe line 150/100/80 mm dia for Condensor Water Pump to Cooling Tower and vice versa as per existing colors code with all supporting materials with one coat of synthetic enamel paint from ground level to bottom of the dome of the make up tank complete all as directed. Note :- Special type of tools & tackles, swings, scaffolding and safety accessories etc required for the work shall be arranged by the contractor and rate quoted shall deemed to be included for the same.

Material & labour for Painting to compressor , condensor , compressor motor , Condensor Water Pump , AHU motor and Cooling Tower-02Nos and vice versa as per existing colors code with all supporting materials with one coat of synthetic enamel paint from ground level to bottom of the dome complete all as specified and directed (Signal Centre 3X45 TR) Note :- Special type of tools & tackles, swings, scaffolding and safety accessories etc required for the work shall be arranged by the contractor and rate quoted shall deemed to include for the same.

Material and labour for joists of Cooling Tower,VRF/ Ductable AC Plants bracings, supports, clamps, straps D-clamps, back plates of suitable size conforming to Fe 410-W(Gde-E- 250) quality- A including nuts, bolts, washers eye hooks, welding, bending cold or hot drilling holes for bolts in any shape or size including two coats of synthetic aluminium paint over a coat of red oxide primer after preparation of steel surface including dismantiling of old section complete all as specified and directed.

Supply and fix in repair butter fly valve of dia 100mm bore suitable for condensing /chiller water line with ISI marked including jointing with proper gasket ,nut,bolts washer complete all as specified by Engr-in- charge

Supply and fix in repair NRV of dia 100 mm bore suitable for condensing /chiller water line with ISI marked including jointing with proper gasket ,nut,bolts washer complete all as specified by Engr-in- charge

Day to day, comprehensive, routine, periodical maintenance including supply of all consumable lubricants and repair or replacement of all components (spare parts) which may occur due to wear and tear except parts are specified in relevant items of BOQ her-in-after for entire package air condition unit 1x8.5 TR at North Barrack Engr Branch including clening entire installation and daily maintenance of necessary records & documents complete all as specified and directed Make of Air Condition Unit :- Blue Star

Day to day, comprehensive, routine, periodical maintenance including supply of all consumable lubricants and reqpir or replacement of all components (spare parts) which may occur due to ear and tear except part are specified in relevant items of BOQ her-in-after for entire package air condition unit 3x11 TR at P-1 Bldg including clening entire installation and daily maintenance of necessary records & documents complete all as specified and directed. Make of Air Condition Unit :- Blue Star

Day to day comprehensive , routine, periodical maintenance including supply of consumable of the following VRF/Ductable AC units Model No. IVRFB28TC – 28H, Cap. 28 HP- 02 Nos with all connected pipe line outdoor & indoor units , copper tubes, drain line , electric connecting etc complete system as per direction of Original Equipments Manufacturer(OEM) including repair / replacement of spares parts accessories as per original at site for functioning of VRF/ Ductable AC plant to run the system with full efficiency without breakdown including cleaning entire installation area and daily maintenance of necessary records & documents complete all as specified and directed. Make of Air Condition Unit :- Blue Star Note:- (a)The cost of material & repaired charges for complete one month shall be deem to included in above quoted rate for entire above installations. Accordingly bidder/ tenderer is advised to visit site before quoting his offer and nothing will be paid on this account.

Comprehensive maintenance of daily, routine, periodical maintenance including supply of consumable of the following VRF AC units with all connected pipe line outdoor & indoor units , copper tubes, drain line , electric connection etc complete system as per direction of Original Equipments Manufacturer(OEM) including repair / replacement of spares parts accessories as per original at site for functioning of VRF AC Units to run the system with full efficiency without breakdown including cleaning entire installation area and daily maintenance of necessary records & documents all as specified here-in-after:- (i) VRF system Model No. DVRF – 12H, Cap. 12 HP- 03 Nos (ii) VRF system Model No. DVRF - 21TH, Cap. 21 HP- 09 Nos (iii) VRF system Model No. DVRF-18TH, Cap.18HP - 03 Nos (iv)No. of Indoor Unit attached to (i) to (iii) is 81 Nos Make of above unit:- Blue Star 829/0001/AC/OU/176/15, 829/0001/CR/176/15 , 829/0001-EM/176/15, 829/0001/AC/OU/177/15 , 829/0001/CR/177/15 , 829/0001-EM/177/15 , 829/0001/AC/OU/178/15 , 829/0001/CR/178/15 , 829/0001-EM/178/15, 829/0001/AC/OU/179/15, 829/0001/CR/179/15 , 829/0001-EM/179/15 , 829/0001/AC/OU/180/15 , 829/0001/CR/180/15 , 829/0001-EM/180/15, 829/0001/AC/OU/181/15 , 829/0001/CR/181/15 , 829/0001-EM/181/15 , 829/0001/AC/OU/182/15 , 829/0001/CR/182/15 , 829/0001-EM/182/15, 829/0001/AC/OU/183/15 , 829/0001/CR/183/15 , 829/0001-EM/183/15 , 829/0001/AC/OU/186/15 , 829/0001/CR/186/15 , 829/0001-EM/186/15, 829/0001/AC/OU/189/15 , 829/0001/CR/189/15 , 829/0001-EM/189/15 , 829/0001/AC/OU/185/15 , 829/0001/CR/185/15 , 829/0001-EM/185/15, 829/0001/AC/OU/188/15 , 829/0001/CR/188/15 , 829/0001-EM/188/15 829/0001/AC/OU/184/15 , 829/0001/CR/184/15 , 829/0001-EM/184/15, 829/0001/AC/OU/187/15 , 829/0001/CR/187/15 , 829/0001-EM/187/15 Note:-The cost of material & repaired charges for complete one calendar month shall be deem to included in above quoted rate for entire above installations. Accordingly bidder/ tenderer is advised to visit site before quoting his offer and nothing will be paid on this account.

Comprehensive maintenance of daily, routine, periodical maintenance including supply of consumable of the following Ductable AC units with all connected pipe line outdoor & indoor units , copper tubes, drain line , electric connection etc complete system as per direction of Original Equipments Manufacturer(OEM) including repair / replacement of spares parts accessories as per original at site for functioning of Ductable AC plant to run the system with full efficiency without breakdown including cleaning entire installation area and daily maintenance of necessary records & documents all as specified here-in-after:- (i) Ductable Split AC system Mode No. DSA661DR1-O, Cap. 5.5 TR - 01 Nos (ii) Ductable split AC system Model No. DSA2042R1-O, Cap. 17 TR 04 Nos (iii) Ductable Split AC system Model No DSA1052R1-O, Cap.8.75TR - 04 Nos (iv) Ductable Split AC system Model No. DSA1321R1A-O,Cap. 11 TR - 01 Nos (v) Ductable Split AC system Model No DSA3611A-O, Cap. 3TR - 10 Nos (vi) Ductable Package AC system Model No DPA2642R1-O.22TR icluding connected automatic water pump0.5 HP - 02 Nos (vii) Ductabe Split AC system Model No DSA1021R1, Cap 8.5 TR - 04 Nos Make of above unit:-Blue Star 829/0001/AC/SD/148/15 , 829/0001/SD/EM/148/15 , 829/0001-CR/148/15 , 829/0001/AC/SD/149/15 , 829/0001/SD/EM/149/15 , 829/0001-CR/149/15 , 829/0001/AC/SD/150/15 , 829/0001/SD/EM/150/15 , 829/0001-CR/150/15 , 829/0001/AC/SD/151/15 , 829/0001/SD/EM/151/15 , 829/0001-CR/151/15 829/0001/AC/SD/152/15 , 829/0001/SD/EM/152/15 , 829/0001-CR/152/15 , 829/0001/AC/SD/153/15 , 829/0001/SD/EM/153/15 , 829/0001-CR/153/15 , 829/0001/AC/SD/154/15 , 829/0001/SD/EM/154/15 , 829/0001-CR/154/15 , 829/0001/AC/SD/155/15 , 829/0001/SD/EM/155/15 , 829/0001-CR/155/15 . 829/0001/AC/Pack/156/15 , 829/0001/SD/EM/156/15 , 829/0001-CR/156/15 , 829/0001/AC/Pack/159/15 , 829/0001/SD/EM/159/15 , 829/0001-CR/159/15 , 829/0001/AC/Pack/157/15 , 829/0001/SD/EM/157/15 , 829/0001-CR/157/15 , 829/0001/AC/Pack/158/15 , 829/0001/SD/EM/158/15 , 829/0001-CR/158/15 Note:-The cost of material & repaired charges for complete one calendar month shall be deem to included in above quoted rate for entire above installations. Accordingly bidder/ tenderer is advised to visit site before quoting his offer and nothing will be paid on this account.

Day to day, comprehensive, routine, periodical maintenance including supply of all consumable lubricants and repair or replacement of all components (spare parts) which may occur due to wear and tear for 13 nos TFA/Air cooled Motor plant at New EC OTM Building including cleaning entire installation and daily maintenance of necessary records & documents all as specified here-in-before. Make - Bluestar 829/0001/AC/SD/166/15 , 829/0001/SD/EM/166/15 , 829/0001-CR/166/15 , 829/0001/AC/SD/167/15 , 829/0001/SD/EM/167/15 , 829/0001-CR/167/15 , 829/0001/AC/SD/168/15 , 829/0001/SD/EM/168/15 , 829/0001-CR/168/15 , 829/0001/AC/SD/169/15 , 829/0001/SD/EM/169/15 , 829/0001-CR/169/15 , 829/0001/AC/SD/170/15 , 829/0001/SD/EM/170/15 , 829/0001-CR/170/15 , 829/0001/AC/SD/171/15 , 829/0001/SD/EM/171/15 , 829/0001-CR/171/15 , 829/0001/AC/SD/172/15 , 829/0001/SD/EM/172/15 , 829/0001-CR/172/15 , 829/0001/AC/SD/173/15 , 829/0001/SD/EM/173/15 , 829/0001-CR/173/15 , 829/0001/AC/SD/174/15 , 829/0001/SD/EM/174/15 , 829/0001-CR/174/15 , 829/0001/AC/SD/175/15 , 829/0001/SD/EM/175/15 , 829/0001-CR/175/15 829/0001/AC/SD/164/15 , 829/0001/SD/EM/164/15 , 829/0001-CR/164/15 , 829/0001/AC/SD/165/15 , 829/0001/SD/EM/165/15 , 829/0001-CR/165/15 , 829/0001/AC/SD/163/15 , 829/0001/SD/EM/163/15 , 829/0001-CR/163/15 The above unit shall be 13 nos TFA/Air cooled Motor plant

Notes for item no 49 to 54:- (a) The contractor shall engage 02 Nos Skilled AC Mechanics against item no 49 to 51 and 02 Nos Skilled AC Mechanics against item no 52 to 54 daily per shift of 08 hrs from 0900 hrs to 1700 hrs per day including reliever on Sunday and holidays for daily maintenance of AC. During break down the contractor shall also provide high skilled mechanic/Special engineer to find out and rectify the fault and make it functional on emergency basis. The cost of the same shall be deem to be included above quoted rate. In addition to fortnightly servicing through OEM ENGINEER shall be carryout the inspection as per maintenance schedule and the cost of the same shall deemed to be included in quoted rate. (b) .In case new mechanic/operator joint during currency of contract period contractor shall inform to GE. (c) Comprehensive maintenance include day to day routine/periodical maintenance with replacement of defective equipments/ parts as specified shall deem to be included in above quoted rate. ( Record for replaced item/spare part to be maintained duly signed by JE and contractor.) (d) All equipments under contract will be serviced 4 times during the contract period as per standard checklist and out of four ,once of the compressive maintenance and testing shall be carried out during of April so that during summer all equipment to be trouble free and working smoothly. The next service will be rendered in the quarter after the summer season.Any fault/damage occured due to insects /rats will be rectified by the contractor , the cost of the same shall be deem to be included above quoted rate (e) Contractor shall rectify the fault within 24 hours as per direction of AGE E/M or his rep otherwise recovery shall be as 2% per 24 Hours of rate quoted . (f) Make and model of part to be replaced shall be same as existing at site or as per OEM . (g) Contractor shall maintain the temp of AC Plant as per the direction of GE/AGE/user or his rep within design limit. (h) During the entire contract period any defective components to be repair/replace to make plant/machinery fully functional. The cost of the same is deemed included in quoted rates, no extra cost shall be paid to the contractor in this effect. (j) The cost of transpiration and other necessary equipments shall be arranged/brought by contractor in this effect (k) Make and model of part to be replaced shall be same as existing at site or as per OEM recommendation.

(l) All labour charges for taking out old spares/items and replacing spares, testing, commissioning, transportation etc shall be deemed to be included in the above quoted rates. (m) The compressor shall be checked for its proper functioning and if any defect/US is found the same will be reapired / replaced by the contractor. (n) Safety controls such as pressure cut outs shall be tested or proper functioning and in case of any malfunctioning they will be either repaired or replaced accordingly by the contractor. (o) Condenser Coil & Evaporator coil.(Cooling coil ) shall be inspected and cleaned, if necessary and for any defect found , the same shall be repaired by contractor. (p) Repairs to refrigerant piping/ducting line due to system problems shall be repaired by contractor. (q) The PCBs of the IDU and ODU will be checked for its proper functioning and if any defect found, the same shall be rectified/replaced and shall be repaired by contractor. (r) Refrigerant gas shall be topped up in the system as and when necessary by the contractor. (s)Decision of GE regarding repair or replacement of defective parts to make it serviceable is final and binding. In case raising of dispute between repair or replacement of any defective parts to make it serviceable, the decision of the Accepting officer is final and binding. (t) The cost of transportation and other necessary equipment shall be arranged/brought by the contractor in this effect , hence the bidder/tenderer is advised to visit the site and assess the quantum of the work to be carried out in the contract and quoted there rate accordingly . (u) Letter for permission be sent only with ID proof/police verification for smooth functioning faling which no representation will be intertained. (v) The cost of all consumables including required refrigerant gas and Lub shall deemed to be included in quoted rate. (w) Spare Parts listed below should be readily available with the Contractor duly verified by Engr-in- Charge under the custody of JE and complaints related to to this spare parts as directed by Engr-in - Charge or his rep should be rectified within 5 Hours otherwise recovery will be 1% per 24 Hours of rate quoted. (i) DVRF Fan Board & Power Board - 03 Nos Each (ii) DVRF ODU Motor - 02 Nos

(iii) DVRF ODU Main/Mother Board - 03 Nos (iv) DVRF Connected DSA IDU Motor - 05 Nos (v) DVRF ODU Fan Blade - 03 Nos (vi) DVRF System Group Controller - 01 Nos (vii) DVRF Connected DSA Handset - 05 Nos (viii) DVRF Connected Split Handset - 10 Nos (ix) IDU SMPS Board & Power Board - 05 Nos (x) Gas Sensor & Pipe Temp Sensor - 20Nos (xi) Liquid Sensor & Room Temp Sensor - 20 Nos (xii) DLT Sensor - 20 Nos (xiii) DSA ODU Fan Blade - 05 Nos (xiv) Insulation of Copper pipes of DVRF/Ductable/Package AC Systems of 50 Feet - 02 Roll (xv) Refrigerant Gas cylinder R-410a of 60 Kg Each - 01 Nos (xvi) Refrigerant Gas cylinder R-22 of 60 Kg Each - 01 Nos (xvii) Nitrogen gas of 60 Kg Each - 01 Nos (xviii) DVRF Power Contactor 25Amp/32 Amp - 05 Nos Each (xix) Package AC Handset - 01 Nos (xx) PVC pipe 3/8mm dia - 40RM Note :- Necessary Tools and Plants like Centrifugal pump 1 HP , Vaccume pump 1HP and onnecting rubber tube ,pressure gauges flaring nuts etc should be readily available at site during contract period otherwise recovery shall be specified as mentioned above. Accordingly bidder/ tenderer is advised to visit site and rate for above mentioned iems deemed to be included inthe quoted rate. Unused/Balance Spare parts will be returned to the Contractor after completeion of Contract.

Supply, fabrication , installation and testing of GSS sheet metal of 20 Gauge (1 mm thick) factory /Site made rectangular ducts, complete with MS frame structure and necessary supports using thread roads and anchor bolts, supply air collars, vanes complete with splitter damper, duct damper, vanes etc fabricated out of galvanized sheet class VIII conforming to IS 277. The duct fabrication and installation shall confirm to IS 655-2006 all dampers, splitters shall be fabricated out of GS sheet of two gauges higher than the duct piece having these fittings of following sizes.All Items related to fabrication to fabrication of ducts shall confirm to the relevant IS mentioned in IS MES No. 655-2006 632/0001-CR/12/02 , 632/0001-CR/13/02 , 632/0001-CR/14/02

Supply and fixing of thermal insulation on the sheet metal duct wrapped with Aluminium foil faced class "O" 25 mm thick closed cell nitrile rubber on ducts installed inside the auditorium complete all as specified and directed. MES No. 632/0001-CR/12/02 , 632/0001-CR/13/02 , 632/0001-CR/14/02

Supply and fixing in repair copper refrigerant tube of 1/2" Outer Dia minimum 1mm thick for condensor of AC Plants complete all as specified and directed

Supply, stretching and fixing in replacement in position GI earth wire for continuous earth wire for VRF AC Plants out of 4 mm dia galvanised steel wire including clamping in walls/floors complete all as specified and directed including taking down the existing & removing from site.

Supply,and fixing in replacement of PVC flexible pipe/conduit cover 25mm dia for connection of electrical wires from Panel to VRF/Ductable AC System duly fixed/clamped in walls/floors by saddles and replacement of worn out copper lugs of suitable size as per site complete all as specified and as directed including taking down the existing & removing from site.

Note: Schedule of credit (SCHEDULE OF CREDIT) amount of Rs ₹ ___________ mentioned on Page No ____ shall be deducted from the total quoted amount of BOQ.

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