REPAIR/ REPLACEMENT, OVERHAULING OF WATER COOLED CENTRAL AC PLANT AND ALLIED WORK INCLUDING COMPREHENSIVE MAINT OF DX TYPE CENTRAL AC PLANT AT BHDC UNDER GE (EAST) DELHI CANTT-10

Amount

Dismantling compressor of central AC plant for overhauling complete with connected copper pipe line and loading unloading mechanism & pump down the existing refrigerant in separate cylinder, disconnecting of electric motor of compressor, refrigerant line, gauges pipe and carry out the general over hauling of compressor, compressor model:- SMC/4/100, Make:- Accel (R-22) including replacement of springs, aluminium washer packing, screw, lath work, cleaning detergent, cotton waste, changing of compressor oil etc and cleaning the suction filter, oil filter, replacing the defective parts compete system for safe guard the gas with self pumping down system or with total recovery unit system incld. following operation complete all as specified & directed. (i) Charging of nitrogen Gas in unit & complete system at 300 psi pressure and checking of any dropping of pressure/ leakage up to 72 Hrs after replacement of compressor & rectification of leakage if any. (ii) Vaccumisation of complete system for minimum 2 days for dropping of vacuum pressure & rectification of leakage if any. (iii) Charging of complete system with R-22 gas for maintaining the system pressure up to HP - 175 psi & LP - 65 psi.... (iv) Measure the inlet and outdoor temperature of Chiller unit for performance checking and maintaining temp. as per require site. (v) Testing & commissioning of compressor after completion. Note:- a) Spares of compressor shall be measured and paid separetely under respective item of this schedule (Sr No. 1.01 to 1.19). b) Any minor items required for overhauling except described here-in-after shall be supplied by the contractor with out any extra cost to the deptt and the rates for the same shall deemed to be included in the unit quoted rates.

Supply only PISTON with PIN & Rings- Nos -04 Nos(ACCEL Part No. ASL1018R) complete all as specified and directed. SMC/4/100,

Supply only CYLLENDER with suction valve -04 Nos(R-22) (ACCEL Part No. ASL1019A) complete all as specified and directed. SMC/4/100,

Supply only OIL pump (ACCEL Part No. ASL1011A) complete all as specified and directed. SMC/4/100,

Supply only Discharge valve assembly (R-22) (ACCEL Part No. ASL1020 A) complete all as specified and directed. SMC/4/100,

Supply only Oil pressure regulation valve (ACCEL Part No. ASL1022 R) complete all as specified and directed. SMC/4/100,

Supply only Set of gasket (ACCEL Part No. ASL1453) complete all as specified and directed. SMC/4/100,

Supply only Set of neoprene ' O' RINGS (ACCEL Part No. ASL1454) complete all as specified and directed. SMC/4/100,

Supply only Set of Dowty ring (ACCEL Part No. ASL1455) complete all as specified and directed. SMC/4/100,

Supply only Set of SEALING RING (ACCEL Part No. ASL1456) complete all as specified and directed. SMC/4/100,

Supply only SPRING FOR SAFETY HEAD (ACCEL Part No. B-12) complete all as specified and directed. SMC/4/100,

Supply only HALF SECTION OF BRG. STD. (ACCEL Part No. E-02) complete all as specified and directed. SMC/4/65

Supply only BEARING WITH BUSHING STD (ACCEL Part No. C-03) complete all as specified and directed.SMC/4/100,

Supply only CONNECTING ROD ASSEMBLY (ACCEL Part No. ASL1017 A) complete all as specified and directed. SMC/4/100,

Supply only OIL STRAINER (ACCEL Part No. ASL1033 A) complete all as specified and directed. SMC/4/100,

Supply only CRANKSHAFT - FOR SMC/4/100 (ACCEL Part No. ASL1416 A) complete all as specified and directed. SMC/4/100,

Supply only SINGLE FRAME ASSEMBLY (ACCEL Part No. UN-FRM-100) complete all as specified and directed. SMC/4/100,

Supply only UNLOADING CYLINDER ASSEMBLY (ACCEL Part No. ASL1012A-1) complete all as specified and directed. SMC/4/100,

Supply only SHAFT SEAL ASSEMBLY (ACCEL Part No. ASL1010 R) complete all as specified and directed. SMC/4/100,

Supply only BUSHING FOR PISTON PIN (ACCEL Part No. E-07) complete all as specified and directed. SMC/4/100,

S & F in repair oil pressure cut out for compressor of central type AC plant of any capacity as specified and directed Make- Sporlene/ Danfoss/ Emerson

S & F in repair high pressure cut out for Accel make compressor of central type AC plant of any capacity as specified and directed Make- Sporlene/ Danfoss/ Emerson

S & F in repair low pressure cut out for Accel make compressor of central type AC plant of any capacity as specified and directed Make- Sporlene/ Danfoss/ Emerson

S & F in repair low pressure gauge/ oil pressure gauge for Accel make compressor of central type AC plant of any capacity as specified and directed. Make- Sporlene/ Danfoss/ Guru

S & F in repair high pressure gauge for Accel make compressor of central type AC plant of any capacity as specified and directed. Make- Sporlene/ Danfoss/ Guru

S & F in repair three way solenoid valve suitable for (Accel make compressor, compressor model-SMC/4/65 and SMC/4/100) central type AC plant of any capacity as specified and directed. Make of Solenoid valve or equivalent model of Sporlene/ Danfoss/ Emerson

S&F in repair CT Fan complete section Fan, Fan Dia-1200 mm , connected GI nutbolts and accessories all fitting sutiable for 120 TR cooling tower, CT Model-5061, CT Make-delta as per specified & directed by Engr-in-charge. FAN Make:- Kruger/ Nicotra/ Delta

S&F in repair CT Fan complete section Fan, Fan Dia-900 mm , connected GI nutbolts and accessories all fitting sutiable for 50 TR cooling tower, CT Model-5032, CT Make-delta as per specified & directed by Engr-in-charge. FAN Make:- Kruger/ Nicotra/ Delta

S & F in replacement of Expansion valve for plant capacity 30TR (cat part no. 107E in sporlane or equivalent model of Danfoss/ Emerson)

S & F in replacement of Expansion valve for plant capacity 40TR X3, (cat part no. 107E in sporlane or equivalent model of Danfoss/ Emerson)

M&L for repairing/ servicing incl. transportation to authorised workshop the centrifugal pump of following capacities by disconnecting the pump from motor, opening for inspection, replacing the born out parts like gland bush, bearings, gland bolts and nuts, gland packing, gasket, water seal etc including repairing to pump shaft by remetalling, grinding, polishing and reassembling complete pump & refixing in same position & connecting including replacing the rusted nuts, bolts, washers etc and testing complete all as specified and directed by Engr-in-Charge (Srl No. 15.01 TO 15.02)

Condenser or Chiller Pump of capacity 5 HP, Head Range-6-38M, LPS-7.4.

Condenser or Chiller Pump of capacity 10 HP, Head Range-6-38M.

Condenser or Chiller Pump of capacity 15 HP, Head Range-6-38M.

Condenser or Chiller Pump of capacity 7.5 HP, Head Range-6-38M.

Supply & charge the refrigerent R22 Gas. (Make:- Mafron/ Freon)

Supply and replacement of compressor oil N-68

M&L for descaling of condensser tube of central AC plant of cap 3x15TR by disconecting the condensser from the system, cleaninh by descaling pump of suitable capacity of 110 ' feet head using descaling solution of make Hibird or descaling solution, cleaning condenssor tube by nylon bursh & MS rod of suitable size, replacement of rubber joints and u/s nut bolts Note:- (i) Arrangment of T&P such as pump, tube, descaling solution shall be carried out by contractor. (ii) Descalling of all respective condensors are considered as one job.

All as per Ser items No 15 here-in-before but 3X30TR

All as per Ser items No 15 here-in-before but 3X40TR

S&F in repairs fan belt of Size B-81 complete as specified and directed Make: ECODRIVE/ DUNLOP/ Fenner

S&F in repairs fan belt of Size B-72 complete as specified and directed Make: ECODRIVE/ DUNLOP/ Fenner

S&F in repairs fan belt of Size B-68 complete as specified and directed Make: FENEER/ ECODRIVE/ DUNLOP

S&F in repairs fan belt of Size B-76 complete as specified and directed Make: FENEER/ ECODRIVE/ DUNLOP

S&F in repairs fan belt of Size B-98 complete as specified and directed Make: FENEER/ ECODRIVE/ DUNLOP

S&F in repairs fan belt of Size C-108 complete as specified and directed Make: FENEER/ ECODRIVE/ DUNLOP

S&F in repairs fan belt of Size B-70 complete as specified and directed Make: FENEER/ ECODRIVE/ DUNLOP

S&F in repairs fan belt of Size B-60 complete as specified and directed Make: FENEER/ ECODRIVE/ DUNLOP

S&F in repairs fan belt of Size A-24 complete as specified and directed Make: FENEER/ ECODRIVE/ DUNLOP

S&F in repairs fan belt of Size C-112 complete as specified and directed Make: FENEER/ ECODRIVE/ DUNLOP

Taking down the existing unserviceable sluice valve of size 100 mm dia, Supply and fixing new sluice valve of size 100 mm dia including cutting welding of pipe up to required size with flange complete all as specified and directed. Make- ZOLOTO/ SANT/ KARTAR

Taking out the existing unserviceable sprinklar of cooling tower and supply, installation, testing and commissioning of new sprinklar assembly for cooling tower as following as specified and as directed by Engr-in-Charge. Make- DELTA/ MIHIR/ UNIVERSAL.

M&L for taking out compressor Motor (Motor cap-40 HP, MAKE-KIRLOSKAR) of AC plant and Dis mantling the motor with disconnecting the same from the compressor and remove rubber coupling and its connected accessories and transporting to reputed work shop for rewinding . Opening the motor, cutting & removing old and burnt winding wire, rewinding the motor with new super enameled copper winding of size & discription to match with existing including insulating materials, varnishing, drying, replacement of both driven end non driven end bearings and base plate, reassembling, refixing in same position & connecting including testing and commissioning complete all as specified & directed.

M&L for taking out compressor Motor (Motor cap- 50 HP, MAKE-GENERAL ELECTRIC POWER INDIA) of AC plant and Dis mantling the motor with disconnecting the same from the compressor and remove rubber coupling and its connected accessories and transporting to reputed work shop for rewinding . opening the motor, cutting & removing old and burnt winding wire, rewinding the motor with new super enameled copper winding of size & discription to match with existing including insulating materials, varnishing, drying, replacement of both driven end non driven end bearings and base plate, reassembling, refixing in same position & connecting including testing and commissioning complete all as specified & directed.

S&F in repair all accessories corroision proof PVC Filling, inlet louvers, drift, PVC eliminators,PVC water distribution chamber and nozzeles (self rotating sprinklers) GI nut bolt (included float valve)and all fitting complete all as specified & directed. Note:- (a) The spray system should be work satisfactory even with 50% reduced flow of water. (b) The induced draught cooling tower should be operate according to the counter flow principle. (c) Cooling tower specification for PVC filling (Delta make) (i) Capacity - 90 TR

All same as per srl item No 30 here-in-before but capacity 180 TR

All same as per srl item No 30 here-in-before but capacity 50 TR

S&F in replacement Absolute HEPA filter of size 830 x 550 x 690mm having rated flow 2000 CFM, static pressure drop less than 25 mm of WG and efficiency more than 99.97 down to 0.3 micron, complete all as directed. Make - Thermadyne / Spectrum / Puromatic / Athlete

S&F in replacement Absolute HEPA filter of size 610x610x305mm having rated flow 2000 CFM, static pressure drop less than 25 mm of WG and efficiency more than 99.97 down to 0.3 micron, complete all as directed. Make - Thermadyne / Spectrum / Puromatic / Athlete

S&F in replacement Absolute HEPA filter of size 610x305x305mm having rated flow 1000 CFM, static pressure drop less than 25 mm of WG and efficiency more than 99.97 down to 0.3 micron, complete all as directed. Make - Thermadyne / Spectrum / Puromatic / Athlete

Taking down the existing unserviceable Y-Strainers of size 80 mm dia, Supply and fixing new Y-Strainers 80 mm dia including cutting welding of pipe up to required size with flange complete all as specified and directed. Make- ZOLTA/ SANT/ KARTAR/CASTLE

Taking down the existing unserviceable Y-Strainers of size 100 mm dia, Supply and fixing new Y-Strainers 100 mm dia including cutting welding of pipe up to required size with flange complete all as specified and directed. Make- ZOLTA/ SANT/ KARTAR/CASTLE

Taking down the existing unserviceable Balancing valve of size 100 mm dia, Supply and fixing new Balancing valve 100 mm dia including cutting welding of pipe up to required size with flange complete all as specified and directed. Make- ZOLTA/ SANT/ KARTAR/CASTLE

Taking down the existing unserviceable Balancing valve of size 125 mm dia, Supply and fixing new Balancing valve 125 mm dia including cutting welding of pipe up to required size with flange complete all as specified and directed. Make- ZOLTA/ SANT/ KARTAR/CASTLE

Taking down the existing unserviceable NRV of size 80 mm dia, Supply and fixing new NRV 80 mm dia including cutting welding of pipe up to required size with flange complete all as specified and directed. Make- ZOLTA/ SANT/ KARTAR/CASTLE

Taking down the existing unserviceable NRV of size 100 mm dia, Supply and fixing new NRV 100 mm dia including cutting welding of pipe up to required size with flange complete all as specified and directed. Make- ZOLTA/ SANT/ KARTAR/CASTLE

Taking down the existing unserviceable NRV of size 125 mm dia, Supply and fixing new NRV 125 mm dia including cutting welding of pipe up to required size with flange complete all as specified and directed. Make- ZOLTA/ SANT/ KARTAR/CASTLE

Repair/replacement of defective/ unservceable Heating elenemt, Power contactor, relay and complete service of Hot water Generators (Make: Rapid Cool) - (02 Nos) complete all specified and as directed. . Replacements of all defective/ unserviceable parts and periodical painting, fabrication work, if any required to maintain smooth functioning of equipments, control and power wiring etc required for smooth functioning of 02 Nos equipments during entire comprehensive maintenance period shall be included in rate quoted by the contractor.

Dismantling Chiller of Capacity 30TR central AC plant for replacement of complete connected copper pipe line , MS Pipe line ,and connected asseccerise Heat Exchanger M.S Shell Dia: 200MM (10") (ID) x 6 mm Thick, Copper Tubes 1/2" OD IGT- 94 Nos Lenght of Copper Tube 2400mm ,Water in and out dia 80mm No of passes- 04 Nos for compressor model:- SMC/4/100, Make:- Accel (R-22) complete all as specified & directed. (i) Charging of nitrogen Gas in unit & complete system at 300 psi pressure and checking of any dropping of pressure/ leakage up to 72 Hrs rectification of leakage if any. (ii) Vaccumisation of complete system for minimum 2 days for dropping of vacuum pressure & rectification of leakage if any. (iii) Charging of complete system with R-22 gas for maintaining the system pressure up to HP - 175 psi & LP - 65 psi.... (iv) Measure the inlet and outdoor temperature of Chiller unit for performance checking and maintaining temp. as per require site. (v) Testing & commissioning of compressor after completion.

Dismantling complete AHU frame, fane blower lekage cooling Coil and S&F in replacement of 06 ROW DEEP CHILLED WATER COOLING COIL FOR 3500 CFM:- type of Coil - CW, Material of tube- Copper, Tube Diameter (mm/Inch) - 3/8", Thickness of tube (SWG/mm) - 27 SWG/0.41 mm, Thickness & Material of fins - MS, No of Fins per inch (FPI) - 11-12, Coil Row Deep - 06,after replacement of cooling Coil re assemble same. complete all as specified and directed.

Saini Enterprises (BID ID -3116873)

Flint India (BID ID -3103505)

YASHVI ENGINEERS (BID ID -3116929)

RUCHIKA ENGG.WORKS (BID ID -3109396)

M/S Rohit Enterprises (BID ID -3116907)