BARC/CSS/ET/10/2025-2026 Maintenance contract of Air-conditioning system , DM water plant and Mechanical utility equipments at EBC, Kharghar, Navi Mumbai. (Contract period 24 months)

Amount

Servicing of window & split type air-conditioners, capacity up-to 2 TR, Make & models -As per existing site (servicing in every 4 months ) ( Qty -110 nos).

Servicing of 5.0 TR - package Uuit, Blue Star make (1 indoor + 1 out door unit) ( Qty - 4 Nos ) (Half yearly servicing )

Servicing of water coolers, capacity up to 40/80 ltrs. (storage) ( Qty - 5 Nos ) (Quarterly service).

Servicing of fresh Air System with Outdoor + indoor uits (DX type-AHU ) for electron accelator room, (Qty - 1 Unit), Capacity-11TR (5.5TR X 2 units). (Half yearly servicing )

Servicing of water purifier. (Quarterly service).

Replacement of New PCB of Split /Window Air conditioner , Capacity - up-to 2 TR, make & models - as per existing site or equivalent

Only dismantling and shifting of room air conditioners

Gas charging including replacement of filters, if required replacement of capillaries & oil charges, leak testing, vacuuming etc.complete & testing for Window & Split type Air conditioners , capacity up to - 2 TR

Replacement of defective compressor with new compresseor including gas charging, testing & commissioning of window & split air conditioners, capacity up-to 2 TR, Make - All brands

Replacement of defective compressor with new compresseor including gas charging, testing & commissioning of water coolers, capacity up-to 150 ltr. Storage , Make - All brands

Replacement of fan motor of window & split type air conditioners, capacity upto 2 TR (ODU+IDU)

Replacement of defective condenser coil of window / split AC with new copper condenser coil including system flushing / leak testing/vacuuming / gas charging , testing & commissioning.

Installation, testing and commissioning of new window ACs upto 2 TR with teak wooden packing ( ACs will be supplied by department )

Installation, testing and commissioing of new split ACs upto 2 TR with extra pipe , if required, and sleeve etc ( ACs will be supplied by department )

Operation of mechanical utility system which includes pumps, chiller, cooling tower and DM Plants etc.

Servicing of centrifugal back pull out type DM water pump in SS 316 contruction of capacity 300 lpm, 80 mtr head, 3 phase 20 HP motor, control valves and strainer. Quantity of Pump = 2 nos. ( Servicing to be done quarterly basis).

Servicing of ozone exhaust centrifugal fan of SISW design, horizontal split casing upblast arrangment-1, of capacity 19098 CMH (11268 cfm), static Pr. 75 mm of WG with 3 phase, 10 HP motor and standard accessories, Quantity of Fan / Blower = 2 nos. Servicing to be done half yearly basis. Bearing replacement and belt replacement is also included in the scope of this item.

Servicing of supply air centrifugal fan of DIDW design, horizontal split casing, arrangment-3 of capacity 13050 CMH (7635 cfm), static Pr. 75 mm of WG with 3 phase, 7.5 HP motor and standard acessories. Quantity of Fan /blower =2 nos. Servicing to be done quartterly basis. Bearing replacement and belt replacement is also included in the scope of this item.

Servicing of tube axial fan of size 380 mm dia, 2900 rpm, capacity 4000 CMH at 35 mm of WG static pr. With 3 phase 1 HP motor and electrical actuator operated multilouvered fire damper. (inside accelator electric panel) Quantity of Fan = 1 nos. Servicing to be done half yearly basis. Bearing replacement is also included in the scope of this item.

Servicing of centrifugal monoblock raw water pump in SS 316 construction of capacity 25 lpm, 50 mtr head, 3 phase, 5 HP motors, control valves & strainer. Quantity of Pump = 1 nos. Servicing to be done half yearly basis

Servicing of Scan Horn Cooling blower with electrical motor for accelerator cooling system, Quantity - 2 nos. Servicing to be done half yearly basis. Bearing replacement and belt replacement is also included in the scope of this item.

Servicing of FRP induced draft cooling tower with 3 HP, 3 Phase motor. Quantity = 1nos. Servicing to be done half yearly basis. Bearing replacement and belt replacement is also included in the scope of this item. .

Servicing of electrical actuator operated fire damper of size 450 x 450 mm Quantity of Actuator = 2nos. Servicing to be done half yearly basis

Cleaning of 5 ply HDPE washable filters of size 610 x 610 x 305 mm., Quantity of Filters = 9 nos.Servicing to be done quarterly basis.

Replacement of polypropylene micron filters of capacity 300 lpm/ 80 lpm/ 20 lpm.

Servicing of pressure regulating valves for regulating 100 psi/90 psi and 100 psi/ 50-45 psi pressure. Quantity of Valves = 1 set. Servicing to be done as per user requirement

Comprehensive maintenance of DM water plant having electric conductivity less than 1 Micro seimens/cm, max. flow rate 1.5 Cu.M/hr comprising of alum. Doser, pressure filter, activated carbon filter, anion exhanger, mixed bed along with regereration and equipment including hydraulic ejectors, acids & alkali tank, control valves & piping etc. so as to maintain the required conductivity through out the period of contract. Cleaning, backwashing of Cation; Anion and mixed bed DM water columns etc , attending leakages and valve replacement .

Regeneration of DM water plant of cation (225 H type, 105 litres), anion (NIP type, 155 litres) and mixed bed resin (225H type, 13 litres & FFIP type, 25 litres)by ion exchange make along with required HCL & NaOH.

Complete cleaning of underground /overhead tank by high pressure cleaning system with hydro dynamic mechanism with nozzles, slurry pump at 8 bar pressure with required quantity of water and disinfecting the tank with required quantity of bleaching powder etc., cost of tools& tackles, plants, labour, ladder , lighting arrangement all complete as directed by EIC ( all tanks to be cleaned 2 times in contract period)

Routine and breakdown maintenance of 40 TR water cooled (2X20 TR) scroll chiller for 10 MeV RF linac system as per technical specification. (Half yearly servicing)

Comprehensive maintenance of Process pump ( 2 Nos), flow rate 280 lpm, pressure 8 bar, Material: SS316, with suction and discharge butterfly valve for the pumps complete with Y-strainer and NRVs. Pump Make: Grundfoss. (Quarterly service).

Routine and breakdown maintenance of cooling tower along with its motor fan assembly (capacity 60 TR). This includes routine as well as breakdown maintenance as per specification. (Quarterly service).

Comprehensive maintenance of Cooling tower pump ( 2 Nos), flow rate 600 lpm, 4 bar, with suction and discharge butterfly valve for the pumps complete with Y-strainer and NRVs. Pump Make: Grundfoss.

Supply, installation, testing and commissioning of Scroll type hermetically sealed compressor of 40 TR water cooled (2X20 TR) scroll chiller for 10 MeV RF linac system as per technical specification.

Gas charging in 40 TR Chiller machine for one circuit of 20 TR . This includes complete testing of leakgae and charging of gas and final testing and commissioning of the system.( Approx. qty of 20 kg for one circuit)

Routine and breakdown maintenance of 5TR water chiller air cooled for 6MeV compact linac. (Half yearly Servicing ) along with circulation pump

Gas charging in 5TR Chiller machine. This includes complete testing of leakage and charging of gas and final testing and commissioning of the system.( Approx. qty of 5kg for refrigerent circuit)

Painting of MS filter frame & GI piping with supports SS pipe supports. All ducting supports , GI piping and its supports shall be painted with red oxide primer followed by two coats of synthetic enamel paint and proper arrow mark of flow direction.

Fabrication , supply and installation of MS structure as per site requirement

Welding joints of MS pipe/ structure etc upto 3 inch dia

Welding joints of SS pipe/ structure etc 3 inch dia

Preventive maintenance of main fire pump and DG operated fire pump including replacement of gasket, seal/any damaged parts etc . Pump head 64 M, lps-37.5, power -45 KW. (Quarterly basis) .

Preventive maintenance of fire pump including replacement of gasket, seal/any damaged parts etc . Pump head 64 M, flow-13.5 m3/hr, power -11 KW. (Quarterly basis).

Preventive maintenance of Domestic pump including replacement of gasket, seal/any damaged parts etc . Power rating -12 KW. (Quarterly basis).

Preventive maintenance of of Gardening pump including replacement of gasket, seal/any damaged parts etc . Power rating 2.2 KW. (Quarterly basis).

Supply, installation, testing and commissioning of Water Pressure Gauges with Syphon . Range 0-10 Kg/cm2 as per technical specification

Maintenance/Servicing of hydrant post valves/gate valves/ hydrant landing valves/ alarm valves/ rubber hose reel/ fire bridge connection etc. from size 80 to 200 mm dia. (Quarterly basis).

Supply, installation, testing and commissioning of of single oulet oblique type landing valve oblique morris pattern single out let SS hydrant landing valve, 80 mm dia flanged inlet & 63 mm dia.Instantaneous type female outlet conforming to IS-5290 with CI hand wheel, SS blank cap with GI chain, twist release type plug, including nuts, bolts, washers, gaskets etc., all as per specifications.

Maintenance of waste water pump along with motor of 15 HP .(Quarterly basis).

Maintenance of waste water pump along with motor of 5 HP . (Quarterly basis).

Comprehensive maintenance of water cooled scroll chiller of cooling capacity 60 TR having 2 nos compressure each for 30 TR as per technical specification. a. Cooling Capacity : 60 TR, b. Chilled water outlet temperature : 7.5 0C - 25 0C and Inlet temperature : 7.5 0C to 30 0C. (Quarterly basis).

Routine and breakdown maintenance of FRP cooling tower of 100 TR capacity complete with fan, motor, fills, eliminators & all other standard accessories & mountings. (Quarterly basis).

Routine and breakdown maintenance of vertical, in-line, centrifugal pump ( qty - 2 nos) for handling DM water shall be complete with motor, suitable leaktight shaft seal, coupling and all standard accessories for following duties & specifications :- For 10 Mev cooling system ( Cavity cooling): a. Flow : 300 LPM, b. Head : 90 mtr WC. (Half Yearly basis).

Routine and breakdown maintenance of Vertical, in-line, centrifugal pump for handling DM water shall be completed with motor, suitable leaktight shaft seal, coupling and all standard accessories for following duties & specifications :- Pump For KTF Cooling system :a. Flow : 120 LPM, b. Head : 90 mtr . Qty-2 nos. ( Half Yearly basis).

Routine and breakdown maintenance of Vertical, in-line, centrifugal pump for handling DM water shall be complete with motor, suitable leaktight shaft seal, coupling and all standard accessories for following duties & specifications :- Pump For 1 Mev & KTF Chiller pump, a. Flow : 1000LPM,b. Head : 20 mtr WC, c. Material. Qty-2 nos. (Half Yearly basis) .

Centrifugal pump for Cooling tower water application : Centrifugal water pump complete with motor, common base frame for pump & motor with suitable couplings. Foundation bolts on mounting frame with vibration isolators ribbed rubber pads & complete with all standard accessories for following duties & specifications : a. Flow : 1000 LPM, b. Head : 40 mtr WC. (Half Yearly basis) .

Routine and breakdown maintenance of Movable mechanical shielding door including mechanical brakes, oiling and electrical actuators as per specification.(Quarterly basis).

Flushing of bore well for gardening water system.

Repairing of Submersible pump including removal from existing well, reinstallation, testing & commissioning at existing site.

Supply, installation, testing and commissioning of GM lift type non return valves of size 50 mm diameter as per specification.

Supply, installation, testing and commissioning of 40 mm dia GM valve as per technical specification

Supply, installation, testing and commissioning of 100 mm dia. Submercible pump set in bore well of Flow rate 80 LPM at 80 meter head of water column as per specification in SS construction.

Supply, installation, testing and commissioning of CPVC drain pipe of 1" NB as per technical specification.

Supply, installation, testing and commissioning of CPVC drain pipe of 2 " NB As per technical specification.

Supply, installation, testing and commissioning of 25 mm dia PVC valve.

Supply, installation, testing and commissioning of 50 mm dia GM valve as per technical specification .

Supply, installation, testing and commissioning of 1/2 inch dia Copper tube with sleeve as per technical specification .

Supply, installation, testing and commissioning of 3/8 inch dia Copper tube with sleeve as per technical specification .

Hitech Systems (BID ID -3231073)

ARCHY SERVICES PRIVATE LIMITED (BID ID -3234477)

SSG ENTERPRISES (BID ID -3234286)