Sr. No1.0

-

-

-

-

-

1.1

2.02.1

Description of Work

TOTAL OF CHILLER CARRIED OVER TO SUMMARY

WATER COOLED SCREW CHILLING MACHINE :Supply, loading, unloading, packing, unpacking, installation, testing and commissioning of Water Cooled Screw Chiller with VFDcomprising of single compressor with VFD with single refrigerantcycle/multiple compressors with VFD with multiple refrigerant cycle, suction and discharge valves, HP/LP cut out, oil pressure switch, crank case heater, gauge panel, automatic capacity control, microprocessor based control with annunciation panel, integral sub cooler, pressure relief valves, oil circuit, solenoid valve, water entering and leaving temperature sensors, first charge of gas R-134a, Oil, vibration isolators, flooded cooler, condenser etc. Motor shall be suitable for 415 Volts ±10%, 50Hz ± 3%, three phase. ACsupply (the unit to be ARI/EUROVENT certified) and shall becomplete as per specifications.The performance shall be tested with ARI standard 550/ 590 atARI Test bed or as per EUROVENT in manufacturing unit.The Chiller shall be able to provide 20% to 100% stepless/stepped capacity control.The System should be compatible with the BMS system and havingthe facility to perform the function thru BMS viz remote chiller start and stop, remote leaving chiller liquid temperature adjustment, remote current limit setpoint, remote ready to start contacts, safety shutdown contacts, run contacts.The system shall be complete in all respects viz Drive, lubrication system, evaporator, condenser, refrigerant system, controller, communication port for BMS.The item should be all complete in line with relevant standards, technical specifications of the standards and direction of engineerincharge.Construction of RCC Foundation is excluded from the scope, however foundation bolts, anti vibration pads etc and all otheraccessories comes under the scope of contractor. Foundationdetails are also required to be provided by the supplier

Permissible DataCondenser Water IN : 32.2 ºC /90.0 ºF Condenser Water OUT : 36.4ºC / 97.5 ºFEvaporator Water IN : 12.22 ºC / 54.0 ºFEvaporator Water OUT : 6.66 ºC / 44 ºF Fouling factor : Condensor : 0.00025 FPS Fouling factor : Evaporator : 0.0001 FPS

150 TR

PIPING & VALVES: CONDENSER WATER PIPING:Supplying, fixing, testing and commissioning of chilled & condenser

Unit QtyNos. 2

Sr. No2.1.12.1.22.1.32.1.42.1.5

2.2

2.3

2.3.12.3.22.3.3

Description of Workwater pipes of following sizes of "C" class MS Pipe along with necessary clamps, vibration isolators and fittings such as bends, tees etc. but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect.Note: The Pipes size 150mm & below shall be M.S. 'C class as perIS:1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. And from minimum 7mm thick MS sheet for pipes of 400 mm dia and above.250 mm dia200 mm dia150 mm dia80 mm dia65 mm dia

Piping insulation:Supplying and installation of Pre-moulded pipe section of T.F. quality expanded polystyrene, (24 Kg / M3) insulation with Aluminium Cladded on chilled water piping including on fittings like valves, flanges, union, etc.250 mm dia - 75 mm thick insulation200 mm dia - 75 mm thick insulation150 mm dia - 75 mm thick insulation125 mm dia - 50 mm thick insulation100 mm dia - 50 mm thick insulation80 mm dia - 50 mm thick insulation65 mm dia - 50 mm thick insulation50 mm dia - 50 mm thick insulation40 mm dia - 50 mm thick insulation

CHILLED WATER INSULATED PIPING:Supplying, fixing, testing and commissioning of chilled & condenser water pipes of following sizes of "C" class MS Pipe along withnecessary clamps, vibration isolators and fittings such as bends,tees etc. but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect.Note: The Pipes size 150mm & below shall be M.S. 'C class as per IS:1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. And from minimum 7mm thick MS sheet for pipes of 400 mm dia and above.Pre-moulded pipe section of T.F. quality expanded polystyrene, (24Kg / M3) insulation with Aluminium Cladded on chilled water piping including fitting like valves, flanges, union, etc.250 mm dia - 75 mm thick insulation200 mm dia - 75 mm thick insulation150 mm dia - 75 mm thick insulation

Unit QtyRM RM RM RM RM

RM RM RM RM RM RM RM RM RM

RM RM RM

55555

555555555

555

Sr. No2.3.42.3.52.3.62.3.72.3.82.3.9

2.4

2.4.12.4.22.4.32.4.42.4.52.4.6

2.5

2.5.12.5.22.5.3

2.6

2.6.12.6.2

2.7

2.7.12.7.2

2.8

2.9

2.10

2.11

2.11.12.11.2

Description of Work125 mm dia - 50 mm thick insulation100 mm dia - 50 mm thick insulation80 mm dia - 50 mm thick insulation65 mm dia - 50 mm thick insulation50 mm dia - 50 mm thick insulation40 mm dia - 50 mm thick insulation

Providing and fixing in position the following Manual butterfly valves as per specifications (PN-10).250 mm dia200 mm dia150 mm dia125 mm dia100 mm dia80 mm dia

Providing and fixing in position the following balancing valves as per specifications (PN - 10).250 mm dia200 mm dia150 mm dia

Providing and fixing in position the following Non Return valvesas per specifications (PN - 10).200 mm dia150 mm dia

Providing and fixing in position the following Y-strainers as per specifications (PN - 10).200 mm dia150 mm dia

Providing and fixing in position dial type pressure gauges with isolating valves in both the scales (meters & British units) with required fittings as per specifications (PN - 10).

Providing and fixing in position the Stem type temperature gauge with isolating gate valves with required fittings as per specifications (PN - 10.

Providing, fixing, testing and commissioning of 15 mm diaautomatic air vent with required fittings as per specifications (PN- 10)

Providing and fixing in position the following Ball valves as per specifications (PN-10).32 mm dia25 mm dia

Note : All the Valves & item should be all complete in line with relevant standards, technical specifications of the standards and direction of engineer in charge.

Unit QtyRM RM RM RM RM RM

Nos. Nos. Nos. Nos. Nos. Nos.

Nos. Nos. Nos.

Nos. Nos.

Nos. Nos.

Nos. Nos. Nos.Nos. Nos.

555555

210102

R.O R.O

22

33

33

10

10

6

64

Sr. No2.12

2.13

2.14

2.14.1

2.15

2.16

2.17

2.18

2.19

2.20

Description of WorkChilled and Condenser Water Pumps Repair WorksDismantling the existing up to 20 HP Centrifugal pump set/ motor, disconnecting the pipe line etc., foundation nuts and bolts, including taking down from the foundation base with help of chain pulley block including cartage from site to workshop etc complete as reqd.

Rewinding of following 20 HP, 3 Phase induction motor with super enameled copper winding wire including varnishing, banking, fitting, testing and commissioning etc. Complete as required (If required, exact number to be checked at site).

Supplying & fixing of following Ball Bearing including dismantling the old defective Ball Bearing, alignment of the same, greasing etc. complete as required (If required, exact number to be checked at site).6309 2RS C3

Re-assembling of above motor and pump including installation of the same on existing foundation with the help of chain pulley block including coupling the same wih pump, making electrical connection, testing, commissioning including cartage from workshop to site etc. complete as required

Repairing, Overhauling and servicing of the centrifugal pump including replacement of the following defective parts a) Shaft sleeve - 2 Nos b) Shaft Sleeve Nut c) Ball Bearings = 2 Nos d) Bearing Nut e) Coupling Key f) impeller Key g) Liquid Deflector= 2 Nos . h) Packing, gland, stud, nut bolts ring set / Gasket set i) Eye Bolts = 4 Nos. etc. Complete as required.

Supply and fixing of tyre Type coupling suitable for 20 HP Centrifugal motor pump set including making suitable size bore as per pump and motor shaft , making key way, alignment etc. complete as required. (If required, exact number to be checked at site).

Supplying and fixing gland bush / plate suitable for 20 HP pump set including testing and commissioning etc complete as required (If required, exact number to be checked at site).

Re-metaling, turning and polishing of impeller of 20 HP water pump including providing and fixing suitable size two nos. impeller ring etc complete as required. (If required, exact number to be checked at site).

Supplying and fixing of impeller of 20 HP water pump including providing and fixing suitable size two nos. impeller ring etc complete as required. (If required, exact number to be checked at site).

Unit QtyJob

Job Job Job

Set

Job

Set

Each

Set

6

2

4

6

2

6

2

2

2

Sr. No

3.03.1

3.2

3.3

3.4

3.54.04.1

5.05.1

5.2

5.3

5.4

5.5

6.06.1

Description of WorkTOTAL OF PIPING & VALVES CARRIED OVER TO SUMMARYAir Handling Units: Cleaning and MaintenanceDismantling of different section of existing AHU, removing its filters, filter section, cooling coil, coil section & transportation the same to the Workshop / AC plant Room for repairing etc. complete as required

Shifting of repaired / Cleaned Cooling Coil from Workshop / AC Plant to the site and installing the same on its original location making its alignment with the existing header, replacement of necessary gasket, nuts & bolts, belt including fixing of Coil Section filter section etc. complete as required at site.

Descaling and washing of 'Y'/Pot strainer including providing and fixing of strainer nuts and bolts including testing commissioning etc. complete as reqd.

Cleaning of fins of Cooling coil with Chemical & high pressure pump to remove the dust from the fins for proper heat transfer and Air Flow across Cooling coil and cleaning of Cooper pipes with circulation of chemicals inside the tubes etc complete as required at site.

Replacement of canvas connection complete as required (If required, to be checked).

TOTAL OF AIR HANDLING UNITS: CLEANING AND MAINTENANCE CARRIED OVER TO SUMMARY

Chillers: Descaling WorksChemical descaling of 155 TR capacity water cooled condenser of AC plant including rodding, replacement of condenser gasket, pipe connection, rubber gasket, nuts and bolts including testing & commissioning etc complete as required.

TOTAL OF CHILLERS - DESCALING WORKS CARRIED OVER TO SUMMARY

Chillers: Repairing & Servicing WorksReplacement of oil & gas for twin compressor carrier make screw compressor including supply of oil & gas.

Replacement of suction & liquid filters including supply. Replacement of Liquid line Drier including supply of Drier. Replacement of Main Contractor & its HRC Fuses.Dismantling & repairing of screw chiller compressor including its transportation to workshop & reinstallation.TOTAL OF CHILLERS -REPAIRING & SERVICES WORKS CARRIED OVER TO SUMMARYCooling Tower: Dismantling WorksDismantling of Existing cooling tower after disconnecting its

Unit Qty

Job

Job

Job

Job

Job

10

10

17

10

5

TOTAL OF AIR HANDLING UNITS: CLEANING AND MAINTENANCE CARRIED OVER TO SUMMARY

Job 3

Job Set Nos. Set

Nos.

Job

1

1

1

1

1

2

Sr. No6.2

7.07.1

7.2

8

8.1

Description of Workelectrical cable, inlet & outlet piping & shifting of cooling tower to a place determined by Engineer In charge.

Modification of Mounting frame so as to make it compatible forNew cooling tower including supply of requisite material.

TOTAL OF COOLING TOWER : DISMANTLING WORKS CARRIED OVER TO SUMMARY

Cooling Tower: Supply and Installation of new cooling towers Supplying and commissioning of FRP INDUCED Draft Cooling Towers for air- conditioning system. Each tower shall be complete with TWIN fan, motor, basin casing, distribution system filling motor basin casing distribution system filling louvers float valve quick fill/ make up drain connection, HDP supports G.I. ladder, Motor shall be TEFC weather proof and suitable for 415+10% volt,50 cycles 3 phase power supply. Isolator at cooling tower shall be provided enclosed in weather proof (IP-55) panel. Tower for air conditioning system shall be selected on the basis of water temperature 97.5-90 Deg. F, ambient wet bulb 83 Deg F and nominal capacity as follows.200 TR induced draft cooling tower including its all components G.I. Ladder etc.

Reconnection of piping, electrical so as to suit the new cooling tower including supply of requisite material.

TOTAL OF COOLING TOWER : SUPPLY AND INSTALLATION WORKS CARRIED OVER TO SUMMARY

ELECTRICAL DISMANTLING & ASSEMBLING WORKS

SITC of Draw out type 4 pole Air Circuit Breaker conforming to IS60947 P - 2 in existing HVAC panel suitable for LT installation 440V, 50 Hz and having adjustable over load short-circuit, earth fault and microprocessor based release with separate LED indication for each type of fault ,LCD display , Thermal memory at least 4NO& 4NC auxiliary contacts safety shutter and fault position acknowledgement mechanism type ACB shall have separateindication for service, test, isolation, maintenance position, Breaking capacity Icu = Ics = Icw ( 1 sec ), Uimp - 12 KV, includingmaking connections etc. as required.

(Make: Schneider/L&T/Siemens/ABB)Draw out type ( Motorised charging type )800 A Rating , 50kA1000 A Rating , 50kA (Bus Coupler)kWH meter with RS 485

Unit QtyJob 2

TOTAL OF COOLING TOWER : DISMANTLING WORKS CARRIED OVER TO SUMMARY

Job

Job

2

2

TOTAL OF COOLING TOWER : SUPPLY AND INSTALLATION WORKS CARRIED OVER TO SUMMARY

Nos. Nos. Nos.

212

Sr. No

11

8.2

8.3

8.3.1

9 i) ii) iii) iv)

v)

vi) a) b)

10.0

Description of WorkSITC of Multifunction meter as kWH, amp, voltage, frequency with Cts , ON/OFF / Trip indication lamps and push buttons, in each feeder and Auto Manual Selector Switch as required in existing starter. It should be BMS compatible.

SITC of the following lighting fixtures with all fixing accessories etc. as required.2x28W T5 Light Fixture

TOTAL OF ELECTRICAL DISMANTLING & ASSEMBLING WORKS CARRIED OVER TO SUMMARY

Operation and Comprehensive Maintenance of the plant comprising of :3 Nos. 155 TR each rotary screw chillers of Carrier make.3 Nos. chilled water pumps 20 HP each3 Nos. condenser water pumps 20 HP each10 Nos. AHUs as mentioned above.

2 Nos. 200 TR Cooling towers as mentioned above.All associated accessories including electrical panels, controls, filters etc.Option - 1 : 2 yearsOption - 2 : 5 years

TOTAL OF OPERATION AND COMPREHENSIVE CARRIED OVER TO SUMMARY

Cost of the above dismantled material to be made available to FSSAI Engineer-in-charge for inspection and paid by the contractor to FSSAI.

TOTAL OF DISMANTELED MATERIAL CARRIED OVER TO SUMMARY

Finishing and painting of chilled water/condenser water piping with identification as per applicable IS Codes.

TOTAL OF FINISHING AND PAINTING OF CHILLED WATER/CONDENSWER WATER PIPING CARRIED OVER TO SUMMARY

Unit Qty

L.S

Set

Nos.

20

16

TOTAL OF ELECTRICAL DISMANTLING & ASSEMBLING WORKS CARRIED OVER TO SUMMARY

TOTAL OF OPERATION AND COMPREHENSIVE CARRIED OVER TO SUMMARY

LS

TOTAL OF FINISHING AND PAINTING OF CHILLED WATER/CONDENSWER WATER PIPING CARRIED OVER TO SUMMARY