REPAIRS AND MAINT OF CENTRAL AC PLANT AT AFS JORHAT

Amount

CENTRAL TYPE AC PLANT 40 TR CAPACITY (3 x 20 TR). M&L for opening Head of Open Type reciprocating Compressor 20 TR Capacity of MAKE : ACCEL, MODEL: SMC-6-65, dismantling completely 20 TR Capacity Compressor Parts in presence of MES Representative and display all the Parts/Components of Compressor for inspection of Engineer-in-Charge to ascertain the Serviceability of existing Parts for Repair/ Replacement of Unserviceable/Defective Parts, Re-assembling and Re-installation of Compressor in Original Position after repaire, Reconnecting and Making Functional in all respect, complete all as specified and as directed. (Note:- Spare parts shall be measured and paid for separately under item No. 2 to 7 here-in after)

Supply of Shaft Oil Seal with 'O' Rings complete all as specified and as directed.

Supply of Suction and dicharge Valve plate complete all as specified and as directed.

Supply of' Ring set for piston complete all as specified and as directed.

Supply only Oil Filter complete all as specified and as directed.

Supply of Loader/Unloader as approved complete all as specified and as directed.

Supply only main bearing complete all as specified and as directed.

CENTRAL TYPE AC PLANT (15 TR CAPACITY) (3 x 7.5 TR). M&L for opening Head of Open Type reciprocating Compressor 7.5 TR Capacity of MAKE : FREEZE KING dismantling complete 7.5TR capacity Compressor Parts in presence of MES Representative and display all the Parts/Com ponents of Compressor for inspection of Engineer-in-Charge to ascertain the Serviceability of existing Parts for Repair /Replacement of Unserviceable/Defective Parts, Re-assembling and Re-installation of Compressor in Original Position after Repaired, Reconnecting and Making Functional in all respect, complete all as specified and as directed. (Note :- Spares parts shall be measured and paid for separately under respective item No 9 to 13 here-in-after).

Supply only Head Gasket Set as approved and suitable complete all as specified and as directed.

Supply only Oil Filter as suitable complete all as specified and as directed.

Supply only Shaft Seal complete all as specified and as directed.

Supply only Spring Guard as approved and suitable complete all as specified and as directed.

Supply only Suction and Discharge Valve Plate Assembly including Pressure Ring as approved and suitable for complete all as specified and as directed.

S&F 'V' belt B-76 as approved including Taking down Old Unserviceable One, complete all as specified and as directed.

S&F Refrigerant High Pressure Gauge as approved including Taking down Old Unserviceable One, complete all as specified and as directed.

S&F Refrigerant Low Pressure Gauge as approved including Taking down Old Unserviceable One, complete all as specified and as directed.

S&F LP/HP Cut Out with Operating Range at 0/PSI to 30/PSI as approved and suitable including Taking down Old Unservice able One complete all as specified and as directed.

S&F Oil Pressure Gauge as approved including Taking down Old Unserviceable One, complete all as specified and as directed.

S&F Safety Valve for Condenser as approved including Taking down Old Unserviceable One, complete all as specified and as directed.

S&F 'V' Belt B-85 as approved including Taking down Old Unserviceable One, complete all as specified and as directed.

CENTRAL TYPE AC PLANT (96 TR CAPACITY) (3 x 48 TR) M&L Opening Head of Open Type reciprocating Compressor 48 TR Capacity of MAKE : ACCEL, MODEL: SMC-6-100 at OT BLDG OF AFH dis-mantling completely 48 TR Capacity Compressor Parts in presence of MES Representative and dis-play all the Parts/Components of Compressor for inspection of Engineer-in-Charge to ascertain the Serviceability of existing Parts, Repair/Replacement of Unserviceable/Defective Parts, Re-assembling and Re-installation of Compressor in Original Position after repaired, Reconnecting and Making Functional in all respect, complete all as specified and as directed. (Note:- Spare parts shall be measured and paid separately under respective item No. 22 to 25).

Supply only Fluid Control System Valve with ‘O’ Ring as approved complete all as specified and as directed.

Supply only Head Gasket Complete Set as approved etc complete all as specified and as directed.

Supply only Oil Filter Complete Set as approved etc complete all as specified and as directed.

Supply only Oil Pump Kit etc complete all as specified and as directed.

Supply & Filling only Compressor Oil as approved for Compressor of CENTRAL TYPE AC PLANT complete all as specified and as directed

Supply & filling only Refrigerant Gas R–22 as approved for Compressor of CENTRAL & PACKAGE AC PLANT/UNIT of Various Locations, complete all as specified and as directed.

Supply & filling only Refrigerant Gas R–407 C as approved for Compressor of SPLIT DUCTABLE AC UNIT at AUDITORIUM complete all as specified and as directed.

S&F 'V' Belt T-51B as approved including Taking down Old Unserviceable One, complete all as specified and as directed.

PACKAGE TYPE AC PLANT Taking down Defective Compressor Sealed Unit 3.75 TR capacity suitable for R-132a Refrigerant, 3 Phase 415 Volt after disconnecting all Electrical Connections and replaced the Same with New Com -pressor of Same Capacity and including Flushing old Gas and recharging with Appropriate Quantity of R-132a Refrigerant Gas, complete all as specified and as directed.

All as per Item No. 30 here-in-before but 5.5 TR Capacity complete all as specified and as directed.

All as per Item No. 30 here-in-before but 5.0 TR Capacity complete all as specified and as directed.

Taking down Defective Compressor Sealed Unit 2.5 TR Capacity, 3 Phase 415 Volt of SPLIT DUCTABLE TYPE AC UNIT after disconnecting all Electrical Connections and replaced the Same with New Com -pressor of Same Capacity and including Flushing the and Gas rechanging with Appropriate Quantity of Refrigerant Gas, complete all as specified and as directed.

S&F 'V' Belt A-32, as approved and suitable for Air blower motor including Taking down Old Unserviceable One, complete all as specified and as directed.

S&F PCB with FRC cable for PACKAGE TYPE AC UNIT 11TR Capacity of MAKE : VOLTAS

S&F Printed Circuit Board for PACKAGE TYPE AC UNIT 10 to 15 TR and of MAKE : BLUE STAR.

S&F Printed Circuit Board for SPLIT DUCTABLE AC Plant unit 17 TR of MAKE : BLUE STAR

REPLACEMENT OF LT PANEL ELECTRICAL SPARE COMPONANTS S&F 1NO+1NC for Contactor CL-25A310T as approved for LT Panel Starter of CENTRAL AC PLANT including Taking down Old Unserviceable One, complete all as specified and as directed. Make : GE / L&T/,BCH/SIEMENS

S&F Contactor CL-00A310T as approved for LT Panel Starter of CENTRAL AC PLANT including Taking down Old Unserviceable One, complete all as specified and as directed. Make : GE / L&T/,BCH/SIEMENS

S&F Contactor CL-01A310T as approved for LT Panel Starter of CENTRAL AC PLANT including Taking down Old Unserviceable One, complete all as specified and as directed. Make : GE / L&T/,BCH/SIEMENS

S&F Contactor CL-02A310T as approved for LT Panel Starter of CENTRAL AC PLANT including Taking down Old Unserviceable One, complete all as specified and as directed. Make : GE / L&T/,BCH/SIEMENS

S&F Contactor CL-06A311M as approved for LT Panel Starter of CENTRAL AC PLANT including Taking down Old Unserviceable One, complete all as specified and as directed. Make : GE / L&T/,BCH/SIEMENS

S&F Contactor Relay MXO Coil Voltage 240 Volt as approved for LT Panel Starter of PACKAGE TYPE AC UNIT including Taking down Old Unserviceable One, complete all as specified and as directed. Make - Simens/ L&T/ BCH/ GE

S&F Contactor Relay SICOP 3TF, 32/35, Coil Voltage 415 Volt as approved for LT Panel Starter of PACKAGE TYPE AC UNIT 7.5 TR Capacity at including Taking down Old Unserviceable One, complete all as specified and as directed. Make - Simens/ L&T/ BCH/ GE

REPAIRS/MAINT, WINDING TO MOTOR Taking down carefully burnt out Electric Driven Compressor Motor 25 HP Capacity WWR from Foundation Channel after disconnecting Main Electric Supply from the Motor Starter Panel, dismantling Motor carefully for Checking, removing to Work-shop for repairing, Taking out burnt, Coils from the Slots of Stator, Other Accessories such as Ball Bearing, Rotor, Cleaning the Stator Slots and rewinding the same with New Supper Enameled Copper Winding Wire, Make - Devidayar with appropriate Gauge and Quantity, Heating, Varnishing with Doctor Beck's insulated Varnish, Re-assembling the same after Greasing the Ball Bearing motor refixing to Original Position after repairing from Workshop, Re-installation on existing Channel and Re-connecting to Electric Supply, Commissioning and Testing, complete all as specified and as directed.

All as per Item No. 45 here-in-before but 12.5 HP Capacity of Compressor Motor

All as per Item No. 45 here-in-before but 7.5 HP Capacity Condenser/Chiller Water Pump Motor of 5 AFH and AHU Motor

All as per Item No. 45 here-in-before but 5 HP Capacity Cooling Tower motor/AHU motor and Air Blower motor

All as per Item No. 45 here-in-before but 3.0 HP Capacity Water Pump Motor

All as per Item No. 45 here-in-before but 2.5 HP Capacity of Air Blower of Condensing Fan Motors of PACKAGE TYPE UNIT

M&L preparing old painted surface of equipments such as Compressor, Condenser, Chiller, Motor, Copper pipe, GI pipes, Pump Set, Belt guard, Cooling tower etc installed at centtral type AC plant of capacity 3 x 20 TR and applying one coat of synthetic enamell paint over a coat of red oxide primer. The colour code of equipment/ pipes will be same as per existing

All as per Item No. 51 here-in-before but CENTRAL TYPE AC PLANT 3 x 7.5 TR Capacity.

All as per Item No. 51 here-in-before but CENTRAL TYPE AC PLANT 3 x 48 TR Capacity.

M&L for descaling of copper tubes of condensor suitable for 20 TR compressor by circulating discaling solution ( diluted HCL) with pump and rodding into the tubes for removing all deposited materials

All as per Item No. 55 here-in-before but suitable for condensor for 7.5 TR compressor

All as per Item No. 55 here-in-before but suitable for condensor for 48 TR compressor

Servicing of AHU complete of various capacities including cooling coil,filters, removing dirt, scales etc with cleaning chemicals(coil cleaner) and painting the outer body with a coat of synthetic enamel paint of the existing colour code all as specified and directed.

Servicing of condensor unit including cleaning of condensor coil with and fins with solvent material by using pressure water pump, servicing fan motor complete and painting with one coats of enamel paint on outer body complete all as specified and directed.

Carefully dismantling ceiling below indoor unit of package type AC plant of capacity 17 TR at Auditorium, dismantling worn out insulation, drain water from collecting tray. M&L for replacement of worn out insulation & fabrication of water collecting tray with 20 SWG GI sheet as required at site not exceeding 1.5 m x1.5 m reassembling the ceiling including replacement of broken/damage ceiling board as per existing

Servicing of Air blower including replacement of motor, block bearing, blower shaft re-metaling, polishing and reassembling complete all as specified and directed.

Supply and replacement of damper of the plenum of AHU of any size including replacement of canvas cloth and bolts nuts etc, all as specified and directed.

Supply and replacing of liquid line filter drier for use with CFC, HCFC & HFC , R22, R134a, of any capacity complete all as specified and directed. Make : EMERSON/CatchAll/Indfoss

Supply and replacing expansion valve including taking down of valve of capacity up to 5.0 TR

All as per serial item No.63 here-in-before but for valve of capacity up to 5.5 TR

All as per serial item No.63 here-in-before but for valve of capacity up to 7.5 TR

All as per serial item No.63 here-in-before but for valve of capacity up to 40 TR

Supply and replace condenser motor fan blade suitable upto 0.5HP 3 phase 415V motor including taking down unserviceable one complete all as specified and directed.

Supply and replace condenser motor EPOXY coated weather proof upto 0.5HP, 3 phase 415V with bracket and leg including taking down unserviceable one complete all as specified and directed.

Supply and replace 'Y' strainer in condensing water line complete with MS body of size 80/50 mm including modification of pipe line for refixing the strainer in another location of the water pipe line and replacement of flanges and nuts & bolts, packing ete all as specified and directed by ingineer incharge.

Supply and replace cooling tower sprinkler with Gear box, drive shaft, FRP Fan suitable to motor assembly ,base, bearings and arms stay supporter etc suitable for 40 TR AC plant including taking down unserviceable one complete all as specified and directed.

S&F heating rod/element of capacity 2KW and taking down burnt electric heating rod/element incliding electric connection from AC plant and complete all as specified and as directed.

Supply and replacing Solenoid valves, C castle, valve consists of MKC 2 coil and series 2 body MOO-275 Type SWP-500 suitable for 15 TR central AC Plant (General purpose Solenoid valve) complete all as specified and directed.

Supply and replacing Solenoid valves, C castle, valve consists of MKC 2 coil and series 2 body MOO-275 Type SWP-500 suitable for 20 TR AC Plant (General purpose Solenoid valve). Make - Danfoss/Infoss

S&F Flexible PVC insulated Copper Conductor Wire, Nominal Cross-Sectional Area 16 Sqmm, Single Core for Connection of outer/inner unit/ Panels including Taking down Old Unserviceable Wire, complete all as specified and as directed. Make : Havells/Finolex/Polycab.

S&F Flexible PVC insulated Copper Conductor Wire, Nominal Cross-Sectional Area 6 Sqmm, Single Core for Connection of outer/inner unit/ Panels including Taking down Old Unserviceable Wire, complete all as specified and as directed. Make : Havells/Finolex/Polycab.

S&F Flexible PVC insulated Copper Conductor Wire, Nominal Cross-Sectional Area 10 Sqmm, Single Core for Connection of outer/inner unit/ Panels including Taking down Old Unserviceable Wire, complete all as specified and as directed. Make : Havells/Finolex/Polycab.

S&F Flexible PVC insulated Copper Conductor Wire, Nominal Cross-Sectional Area 1.5 Sqmm, 3 Core for Connection of OP/LP connection of AC plnat including Taking down Old Unserviceable Wire, complete all as specified and as directed. Make : Havells/Finolex/Polycab.

Dismantling/opening the existing burnt out/ unserviceable MCCB 4 pole including disconnected the electrical connection and S&F MCCB 200 Amp 415volt 50 HZ 35KA, 3 Pole (thermal setting 80-100% In & megnetic setting 6-10),Icu=Ics100% capacity as approved and suitable for indoor electric panel board including making the electrical connection with aluminum thimbles as per existing position complete and all as sepcified and as directed. Make- L&T/GE/Havells

S&F MCCB 100 Amp, 4 Pole, 16 KA, 415V, 50Hz Capacity as approved and suitable for LT Panel of Central and package AC Plant including Taking down Old Unserviceable One, complete all as specified and as directed. Make- L&T/GE/Havells

S&F MCCB 63 Amp 3 pole, 16 KA, 415V, 50Hz Capacity as approved and suitable for LT Panel of Central and package AC Plant including Taking down Old Unserviceable One, complete all as specified and as directed. Make- L&T/GE/Havells

S&F Isolator Four pole, 63Amp, 415V, 50Hz Capacity as approved and suitable for LT Panel of Central and package AC Plant including Taking down Old Unserviceable One, complete all as specified and as directed. Make- L&T/GE/Havells

S&F Isolator TP, 63Amp, 415V, 50Hz Capacity as approved and suitable for LT Panel of Central and package AC Plant including Taking down Old Unserviceable One, complete all as specified and as directed. Make- L&T/GE/Havells

S&F Isolator TP, 32/40 Amp, 415V, 50Hz Capacity as approved and suitable for LT Panel of Central and package AC Plant including Taking down Old Unserviceable One, complete all as specified and as directed. Make- L&T/GE/Havells

Taking out unserviceable/burnt ammeter and supply & fixing digital Ammeter 0-300 Amps of size 4x4", capacity, 3 Phase, 415 volt, suitable for the LT Panel board including electrical connection with suitable size of copper wire complete all as directed & specified, Make:L&T/ AE/HPL ,cat no-PAMEBRITA 32 or Equivalent.

Taking out unserviceable/burnt voltmeter and supply & fixing Digital voltmeter 0-500volt rage of size 4x4",3 phase, 415 volt suitable for the LT Panel board with suitable size of copper wire complete all as directed & specified , Make:L&T/ AE/HPL,cat no-PAMEBRITV 32 or Equivalent.

Taking out unserviceable/burnt indicator assy.,supply and fixing Indicator LED assy 3 pcs per set suitable for 230 volt matching with exisisting one for the LT Panel board where directed including taking out old U/S indicator assy including electrical connection with Esuitable size of copper wire complete all as directed & specified , Make:AE/ HPL or Equivalent.

Supply and fixing cast iron sluice valve PN-1.6 with flanged ends 80mm nominal bore ISI marked complete with gun metal or stainless steel spindle and cast iron cap including rubber/fiber board gasket, nuts, washers etc including taking down old unserviceable sulice valves complete all as specified and directed by Engr-in-Charge. Make: KIRLOSKAR/BIR/SANT/ZOLOTO

S/Fix lugs copper 95 sqmm of required type suitable at site all as directed and specified.

S/Fix lugs copper 16sqmm of required type suitable at site all as directed and specified.

Supply & fix thermometer suitable for reading wet bulb and dry bulb .temperature wlth digital type all as directed and specified.

Material and labour for overhauling of condenser pump, 3 HP capacity, monoblock pumpset complete with cleaning of impeller strainer and including replacement of rubber gasket, gland packings, bearing etc complete all as specified and as directed.

All as per serial item No.93 here-in-before but for 5 HP capacity pump.

M/L Nitrogen gas pressure testing by pressurising with nitrogen gas upto 300 psi the complete system to find out the leakage & maintaining pressure for 24 hours and rectifying leakages in the system, vaccumising complete system of central A/C plant with double stage vaccum pump of - 2kg/Sq cm vaccum pressure.

Supply, laying commissioning, testing of XLPE under ground LT cable of size 50 Sqmm, 3.5 Core, 1100 Volts grade armoured, PVC sheathed with aluminium conductor heavy duty confirming to IS 1554 ISI laid in trenches, fixing on wall, under road crossing through protection pipe etc complete all as specified and directed. Make : Gloster or equivalant

Excavation in trenches n.exc 1.5M wide and n.exc 1.50M depth for laying of cables etc and getting out in soft/loose soil, complete all as specified and as directed.

Returning, filling in including spreading, leveling, watering and well ramming in layers not exc 25 cm complete all as directed

Removing excavation soil at a distance not exc 50 m and deposited where diverted complete all as directed

M&L sand cushing (dry) in trenches for protection of UG cables (below, above and around the UG cable cable laid in trenches) of 230mm spread thickness consolidated (punned) upto 180mm thickness complete all as specified and as directed. (Note : for the purpose of paument, Punned thickness of sand cushing only shall be measured and paid for)

S&F sub class 'B' brick, well burnt, laid breadth wise along the length of cable laid in trenches ocve sand cushing laid UG cable protection complete all as specified and as directed.

LESS SCHEDULE OF CREDIT (NOTE : The bidders are required to quote the same amount as inserted in estimated rate column against the group of credit items. For details refer Schedule of Credit including notes therein of tender documents.

M/S BARUA REFRIGERATION WORKS

M/S PS ENTERPRISE