Proposed Horizontal and Vertical Extension upto G9 with provision of 10 storied of LINAC Building G2 at 1, Harish Mukherjee Road for Chest and Cancer Dept. of IPGMER - SSKM Hospital, Kolkata ----- Electrical Works -- SITC of Air Conditioning System.

Amount

Water Cooled Screw Chiller

Supply, installation, testing and commissioning of floor-mounted AHRI (Air-Conditioning, Heating, and Refrigeration Institute) Certified water cooled screw-type chiller machine complete with VFD (Variable Frequency Drive), single/multi semi-hermatic twin screw type compressor, water-cooled Shell & Tube type condenser, Shell & Tube horizontal flooded type evaporator with carbon steel shell and seamless copper tubes with 19 mm nitrile rubber insulation i/c suitable foundation/ mounting structure made of RCC/MS Structure i/c anticorrosive paint, anti vibration pad, power control cable and connection inter connection etc. as per design approved by engineer-incharge, interconnected copper refrigerant piping and wiring, vibration Isolators, gauge panel, automatic safety controls, flow switch at evaporator and condenser and ozone friendly Chlorofluorocarbons (CFC)-free refrigerant gas R-134A.

The refrigerant flow control shall use an electronic expansion valve. The chiller shall be designed for a Water Side working pressure of 150 PSI and hydraulically tested at 1.3 times of design pressure. A number of properly spaced baffles shall be provided for maintaining optimum water velocity and heat transfer and the tubes shall be adequately supported. The chiller shall be Building Management System (BMS) compatible The system shall be in confirmation to IS : 16590 and CPWD Specification as amended upto date with Project manager for communication.

Chilled water Leaving Temp. (6.67 deg. C) Chilled water Entering Temp. (12.2 deg. C) Evaporator fouling factor = 0.018 m2. ⁰C/kW Condenser water Entering Temp. (32.2 deg. C) Condenser water Leaving Temp. (36.4 deg. C) Suitable for Seismic Zone and Altitude as per location/site. --- (All are working) (i) 205 TR BEE 3 Star Rated (As per item no- 9.5 of DSR 2025 Volume - II)

FRP INDUCED DRAFT COOLING TOWER

Supply, Installation, testing and commissioning of Induced Draft counter flow cooling Towers(CTI approved). The Cooling Tower shall be of Fiber Reinforced Plastic (FRP) Construction. The casing, basin/sump, fan deck and fan cylinder shall be of FRP, with direct driven fans, Galvanized hardware complete with sump and drain connection with suitable valve, PVC Honey comb fill, louvers, drift eliminator complete with spray nozzle having self rotating sprinklers, steel ladder, Isolating switch and other accessories to make it fully operational and maintaince National Accreditation Board for Testing and Calibration Laboratories (NABL) & positioning of cooling tower at Terrace of Building. Axial Type Fan, weather proof IP 55 and Direct driven. The fan motor shall be premium efficiency IE3 class , as per IS 12615 The Cooling tower shall be capable to communicate effectively with Building Management System (BMS). Range of CT: 6 deg C. Designed Duty Conditions :-EWT, LWT, D / Considering WBT 28.5' C / WBT Complete as per CPWD specification /drawings and as directed by Engineer-in-charge. ( Note - Cooling tower size depends on the ambient temperature conditions , contractor must check the required design temperature). --- (i) 900 GPM (All are working) (As per item no- 10.1 of DSR 2025 Volume - II)

PRIMARY CHILLED WATER PUMP

SITC of End Suction Back Pull out Type primary chilled water pump with CI casing, Bronze Impeller, Sleeve mechanical seal along with TEFC pump motor, Each comprising of Suitable HP, TEFC Squirrel Cage Induction Motor with class "B" insulation, 1450 rpm speed, suitable for operatation on 415 ± 10% volts, 3 phase, 50 Hz A.C. supply. The Pump / Motor shall confirm to IE2 Standard(minimum) and Efficiency 75% minimum and as per ISI & NBCC guideline (overall pumping system) for minimum 600 USGPM flow rate under suitable head 20M (Min), mounted and aligned on a common MS base and, drain assy., vibration isolators complete in all respects duly insulated with 32mm thik Nitrite Rubber, mounted on common MS base plate, complete as per specifications etc. as required. The pump motor shall have IP55, all weather proof, isolator with lockable arrangement. [Head to be calculated as per site condition] (All are working)

SECONDARY CHILLED WATER PUMP

SITC of End Suction Back Pull out Type Secondary variable flow chilled water pump with CI casing, Bronze Impeller, Sleeve mechanical seal along with TEFC pump motor, duly insulated with 32mm thik Nitrite Rubber , Each comprising of Suitable HP, TEFC Squirrel Cage Induction Motor with class "B" insulation, 1450 rpm speed, suitable for operatation on 415 ± 10% volts, 3 phase, 30-50 Hz A.C. supply. The Pump / Motor shall confirm to IE2 Standard (minimum) and 75% minimum Efficiency (Overall pumping system) for minimum 600 USGPM flow rate under suitable head 40M (Min) mounted and aligned on a common MS base and, drain assy., vibration isolators complete in all respects with insulation. [ Head to be calculated as per site condition] The pump motor shall have IP55, all weather proof, isolator with lockable arrangement. Each pump shall have Variable Frequency Drive, with IP_-54 panel enclosure and having a bypass mode. (All are working)

VFD CONTROL PANEL FOR SECONDARY CHILLED WATER PUMP

The VFD shall comply with IEEE-519 and having built-in input chokes, for harmonic supression on current (THID) less than 30 % to 35% only and voltage harmonic (THVD) less than 5%. This indicated harmonics shall be at drive input side. Standard logic applicable for the secified pump. The drive shall be having open protocole connectivity (Modbus/Bacnet/N2/FLN) and having a bypass mode with Star-Delta starter including S&F of VFD of suitable rating ( MAKE: ABB/DANFOSS/SIEMENS) , MCCB as incomer of suitable rating, C/O Switch overload protection, SPP, phase srequency protection and connection with suitable copper wire with ON,OFF & Trip indication, connectors etc. in SS enclosure with 2 nos ventilation fans (1W+1S) through 24x7 time switch to be fixed on wall as per direction of EIC.

Variable Frequency Drive (VFD) of suitable capacity as per the rating of secondary CW pump-motor with consideration of starting current (Input: 3-phase, 440 V, 50 Hz +/- 2.5% AC input & output: 3-phase, 0-415V, 0-50 Hz AC). The VFD shall comply with IEEE-519 and having built-in input chokes, for harmonic supression on current (THD) less than 30 % to 35% only and voltage harmonic (THVD) less than 5, i.e, harmonics shall be at drive input side. (All are working) (drawings & documents with data sheets to be approved by he EIC before delivery)

Logic Controller for the pumps in a suitable sheet steel enclosure (IP-54) with lockable hinged door with both side dry powder coated painted. (drawings & documents with data sheets to be approved by he EIC before delivery)

SITC of DP sensor for Variable Pumping application & optimization with automation of the system. (drawings & documents with data sheets to be approved by he EIC before delivery)

Signal cabling by 4Cx1.5 sqmm shielded copper conductor cable (FRLS) between DP Sensor to Secondary Pump Controller complete with necessary connections.

CONDENSER WATER PUMPS

SITC of End Suction Back Pull out Type Condenser Water Pumps with CI casing, Bronze Impeller, Sleeve mechanical seal along with TEFC pump motor, Each comprising of Suitable HP, TEFC Squirrel Cage Induction Motor with class "B" insulation, 1450 rpm speed, suitable for operatation on 415 ± 10% volts, 3 phase, 30-50 Hz A.C. supply. The Pump / Motor shall confirm to IE2 Standard (minimum) and 75% minimum Efficiency (Overall pumping system) for minimum 900 USGPM flow rate under suitable head 40M (Min) mounted and aligned on a common MS base and, drain assy., vibration isolators complete in all respects.[ Head to be calculated as per site condition]The pump motor shall have IP55, all weather proof, isolator with lockable arrangement. [Head to be calculated as per site condition & to be approved by EIC ] (All are working)

FLOOR MOUNTED AIR HANDLING UNITS FOR OT & STERILE ZONES

Supply, Installation, Testing and commissioning of factory built floor mounted chilled water double skin type horizontal/vertical air handling units made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8mm outside layer and 0.8 mm inside layer with polyurethane foam (PUF) insulation factory injected between them by injection moulding machine, complete with blower section with blower suitable for static pressure as required, minimum 2 bend GSS/PVC eliminators,cooling coil section with aluminium finned copper tubes (tubes thickness not less than 0.5mm) belt drive package with TEFC drive motor of efficiency class IE3 suitable for 415 + 10% volts, 50Hz, 3 Phase AC supply suitably designed for varialbe frequency drive applications, drain connections, stainless steel (18G) drain pan with PUF insulation, 150 mm dia. dial type pressure gauges (2 nos.)and industrial type thermometers (2 nos.) at the inlet and outlet of coil, auto purge valve wherever required, necessary vibration isolation arrangement etc. complete as per specification and of following capacities. The AHU shall be complete with VFD.The VFD shall be of IP20 rating. (As per item no- 16.26 of DSR 2022)

5000 CMH (With Mixing chamber) [one no. for GF-ACZ-1 - Ground Floor Brachytherapy OT (AHU to be installed at 2nd floor AHU room) & one no. for 7F-ACZ-4 - 7th Floor OT (AHU to be installed at 8th floor AHU room)]- 8 row deep cooling coil with three stage filtration, 125 mm total Static Pressure.

6800 CMH [with mixing chamber]. [for Procedure rooms & allied sterile Zone at 5th floor (5F-ACZ-4)] 6 row deep cooling coil with two stage filtration, 80 mm TSP

11900 CMH [with mixing chamber]. [for ICU+HDU at 6th floor (6F-ACZ-2) - 1 no. & for Recovery & allied sterile Zone at 7th floor (7F-ACZ-5)] 6 row deep cooling coil with two stage filtration, 80 mm TSP

FOR OTHER AREAS

34000 CMH (with Mixing Box chamber) [for 8F+9F Lecture Hall (8F-ACZ-1), AHU to be installed at Rooftop AHU room] 6 row deep cooling coil with two stage filtration, 80 mm TSP

28900 CMH (with Mixing Box chamber and return air duct damper) [for 8F Oncopathology & Histopathology Lab area with Positive Air pressure (8F-ACZ-4)] 6 row deep cooling coil with two stage filtration, 80 mm TSP

18700 CMH (for OPD area at 1F-ACZ-1) 6 row deep cooling coil with two stage filtration, 80 mm TSP

13600 CMH (at Auditorium of 2nd floor 2F-ACZ-1 - 1 no.) 6 row deep cooling coil with two stage filtration, 80 mm TSP

13600 CMH (at 3F- 2 nos., 4F- 2 nos, 5F-ACZ-2 - 1 no., 6F- 2 nos., 7F- 2 nos. & 9F-ACZ-2 - 1 no.) 6 row deep cooling coil with two stage filtration, 80 mm TSP

11900 CMH (at 3F- 2 nos., 4F- 2 nos, 5F-ACZ-2 - 1 no., 6F- 2 nos., 7F- 2 nos. & 9F-ACZ-2 - 1 no.) 6 row deep cooling coil with two stage filtration, 80 mm TSP

10200 CMH (at GF-ACZ-3 - 1 no. & 9F-ACZ-3 - 1 no.) 6 row deep cooling coil with two stage filtration, 80 mm TSP

6800 CMH [for Semi-Sterile zone at 7th Floor OT complex (7F-ACZ-3)] 6 row deep cooling coil with two stage filtration, 80 mm TSP

6800 CMH (at 3F- 2 nos., 4F- 2 nos, 5F-ACZ-2 - 1 no., 6F- 2 nos., 7F- 2 nos. & 9F-ACZ-2 - 1 no.) 6 row deep cooling coil with two stage filtration, 80 mm TSP

SITC of Aluminium laminar bench with perforated sheet cover to accommodate inside HEPA filter bank along with necessary support as per standard of minium 6 ft X 8 ft dimension for OT Area as per approved drawing. The HEPA filter with an efficiency of 99.99% down to 0.3 microns of 600 mm x 600 mm x 150 mm or suitable sizes as per OEM standards and to be fixed inside the Laminar bench incl. S/F suitable SS304 bar type clamping arrangement (as per direction of EIC). (for Brachytherapy OT at Gr floor & Major OT at 7th floor)

SITC of Temperature & humidity sensor & controller of OT AHU including safety switches such as over temp/ cut-off temp, air flow switch, humidistat, thermostat etc complete in all repect.

S&F of In-line duct mounted circular type Exhaust Fan for OT/ sterile rooms, Capacity-500 cfm 15 mm WC with GI duct cowl piece finished with bird screen at the end (as per direction of EIC)

CEILING SUSPENDED AIR HANDLING UNITS FOR STERILE ZONE

Supply, Installation, testing and commissioning of Factory built ceiling suspended chilled water double skin type horizontal/vertical air handling units of following capacity, made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8mm outside layer and 0.8 mm inside layer with Polyurethane Foam (PUF) insulation factory injected between them by injection moulding machine, complete with blower section with blower suitable for static pressure as required, minimum 2 bend PVC eliminators, cooling coil section with aluminum finned copper tubes (tubes thickness not less than 0.5mm) cooling coil of 6 row deep two stage filtration belt drive package with Totally Enclosed Fan Cooled (TEFC) drive motor of efficiency class IE3 suitable for 415 ± 10% volts, 50Hz, 3 Phase AC supply suitably designed for Variable Frequency Drive (VFD) applications, drain connections, stainless steel (18G) drain pan with PUF insulation, 150 mm dia. dial type pressure gauges (2 nos.)and industrial type thermometers (2nos.) and industrial type thermometers (2 nos.) at the inlet and outlet of coil, auto purge valve wherever required, necessary vibration Isolation arrangement, noise level shall not exceed 70 dBA. AHU shall be AHRI/Eurovent certified, fan shall be AMCA certified etc. Complete as per CPWD specification/drawings and as directed by Engineer-in-Charge. (Total static pressure considered is max. 50 mm WC). The AHU shall be complete with VFD.The VFD shall be of IP20 rating. (As per item no- 11.1 of DSR 2025 Volume - II)

5100 CMH [with mixing chamber]. [for Recovery & allied sterile Zone at Ground floor (GF-ACZ-2) -1 no.]

FOR OTHER AREAS

6800 CMH [alternative option for Female ward of 4th floor (4F-ACZ-1) as AHU room is at 3rd floor and need long length of Exterior duct for both supply & return air paths and also these two CS AHU may support addl/emergency needs at site if required].

5100 CMH [at Female ward of 6th floor (6F-ACZ-1) - 1 no. & at 2nd floor (2F-ACZ-4) - 1 no.]

4300 CMH[at 8th Floor (8F-ACZ-3) & 1st Floor Pantry]

2800 CMH [at GF-ACZ-4 - 1 no., 2F-ACZ-2 - 1 no., 2F-ACZ-3 - 1 no. & 9F-ACZ-1 - 1 no.]

DUCTABLE FAN COIL UNIT

Supply, installation ,testing and commissioning of Ceiling Concealed Fan Coil Unit comprising of 3 rows deep chilled water cooling coil, centrifugal blowers, fractional horse power (FHP) motor, synthetic fibre filters, insulated & extended condensate drain pan along with L-type auxillary tray, casing, coil piping connections, condensate drain piping connections & wiring. Fan coil units shall be suitable for operation on 220 +/- 6% Volts, 50Hz, single phase power supply of following sizes & capacities. Complete as per CPWD specification and as directed by Engineer-incharge. (As per item no- 11.2 of DSR 2025 Volume - II) considering drain pump, two way mixing valve, ball valve with / without Y stranier & thermostat.

2.0 TR nominal capacity with 800 CFM air quantity. [at 1F, 5F, 6F, 7F, 8F & 9F front lobby to minimize heat load on adjacent areas AHUs]

1.5 TR nominal capacity with 600 CFM air quantity. [for Emergency/Addl support purpose]

CASSETTE FAN COIL UNIT

Supply, installation, testing and commissioning of Chilled Water Ceiling Suspended Hydronic Cassette type fan coil unit, four(4) way directional flow,low noise, each complete with two(2) rows of deep chilled water cooling coil,multi-blade centrifugal fan, test reports from National Accreditation Board for Testing and Calibration Laboratories (NABL)/AHRI accredited lab, electronic air cleaning system, required set of ball valves with & without strainers & 2way Motorized valve, insulated condensate drain pans with drain pump assembly & drain pump failure alarm, pipe connections through copper pipes, Infra-red remote control, Liquid Crystal Display (LCD), four (4) speed motor , fan four(4) direction air flow, auto swing louver, decorative panel etc., condensation drain connections, All units shall be suitable for 220 +/- 10% Volts, 50 Hz, single phase power supply etc. complete as per specification. The wireless Remote temperature control / thermostat shall have memory back up for set point re-store in case of power failure and re-start. Four(4) hanger rods with required anchoring fasteners, hooks, washers etc.complete as per CPWD specification and as directed by Engineer-incharge. (As per item no- 11.3 of DSR 2025 Volume - II)

2.0 TR nominal capacity with 800 CFM air quantity. [at 8F-ACZ-2]

1.5 TR nominal capacity with 600 CFM air quantity. [Emergency/addl support purpose]

INSULATED CHILLED WATER PIPING (EXPANDED POLYSTRENE INSULATION) IN PLANT ROOM & OUTSIDE OF BUILDING

Supply, laying / fixing, testing and commissioning of following nominal sizes of chilled water piping plumbing inside the building (with nacessary clamp, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with fire retardant quality expanded polystrene moduled pipe section of density 20 Kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3, grade 1 roofing feltstrip (as per IS: 1322 as amended up to date) at joints repairing of damage to building etc. as per specifications and as required complete in all respect. Note : - The pipes of sizes 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. (As per item no- 16.3 of DSR 2022)

250 mm dia (75 mm Thick insulation)

200 mm dia (75 mm Thick insulation)

150 mm dia (75 mm Thick insulation)

125 mm dia (50 mm Thick insulation)

100 mm dia (50 mm Thick insulation)

80 mm dia (50 mm Thick insulation)

65 mm dia (50 mm Thick insulation)

50 mm dia (50 mm Thick insulation)

INSULATED CHILLED WATER PIPING (NITRILE RUBBER INSULATION) INSIDE FLOORS OF THE BUILDING

Supply, laying / fixing, testing and commissioning of following nominal sizes of chilled water piping plumbing inside the building (with nacessary clamp, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with following closed cell elestometric nitrile rubber of minimun 45 Kg/cum density, temperature class 'O' insulation applied by suitable adhesive complete including repairing of damage to building etc. as per specifications and as required complete in all respect. Note : - The pipes of sizes 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. (As per item no- 16.2 of DSR 2022)

100 mm dia (32 mm Thick insulation)

80 mm dia (32 mm Thick insulation)

65 mm dia (32 mm Thick insulation)

50 mm dia (32 mm Thick insulation)

40 mm dia (32 mm Thick insulation)

32 mm dia (19 mm Thick insulation)

25 mm dia (19 mm Thick insulation)

CONDENSER WATER PIPING

Supplying, fixing testing and commissioning of condenser water pipes of following sizes of MS 'C' class along with necessary clamp, 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. (As per item no- 16.10 of DSR 2022)

Note: The pipes of sizes 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 350mm dia and from minimum 7mm thick MS sheet for pipes of 400mm dia and above.

300 mm dia

250 mm dia

200 mm dia

100 mm dia

80 mm dia

50 mm dia

DRAIN WATER PIPING (UPVC SCH-40)

SITC of Drain piping with UPVC (Sch-40) pipes with fittings duly insulated with 13MM thick Nitrile rubber section with suitable solvent including S&F of required fittings such as bends, elbows, flanges, gaskets etc with suitable MS angle iron supporting arrangement with clamps, nut, bolt, washers, vibration isolators etc and scafolding as required to complete in all respect for following sizes : All fixing bolts, double Nuts, different type washers must be of SS304 material to avoid frequent failure with wear & tear due to rust & corrosion.

50 MM dia

40 MM dia

32 MM dia

25 MM dia

WATER LINE VALVES, STRAINERS & ACCESSORIES

Supplying, fixing, testing and commissioning of following valves,strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications.

BUTTERFLY VALVE SITC of Butterfly valve (Manual) with C.I. body SS Disc, Nitrile Rubber seal & O-Ring PN-16 pressure rating for chilled water/hot eater circulation as sepcified. (As per item no- 16.7.1 of DSR 2022)

300 mm dia

250 mm dia

200 mm dia

150 mm dia

125 mm dia

100 mm dia

80 mm dia

65 mm dia

50 mm dia

40 mm dia

32 mm dia Ball valve

25 mm dia Ball valve

BALANCING VALVE SITC of Balancing valve with built in measuring facility with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled/hot water circulation as specified. (As per item no- 16.7.2 of DSR 2022)

250 mm dia

200 mm dia

150 mm dia

125 mm dia

100 mm dia

80 mm dia

65 mm dia

50 mm dia

40 mm dia

32 mm dia

NON-RETURN VALVE SITC of Non - Return Valve with duel plate of CI body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled/hot water circulation as specified. (As per item no- 16.7.3 of DSR 2022)

200 mm dia

150 mm dia

Y-STRAINER CI SITC of Y-Strainer of Ductile CI body flange ends with Stainless Steel strainer for chilled/hot water circulation including insulation as specified. (As per item no- 16.7.4 of DSR 2022)

200 mm dia

150 mm dia

POT STRAINER MS

S & F of the following Water line POT-Strainer as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements. Pot-strainer shall be fabricated out of Mild Steel, flanges as per BS 10 shall be provided at inlet and outlet of the connection. The body shall be pressure tested at 16 Kg/cm² and shall be hot dip galvanized. Permanent magnet shall be provided in the body of the strainer to arrest MS particles. Filter element shall be of non-magnetic 20 gauge SS sheet with 3 mm perforation. (All fixing bolts, double Nuts, different type washers must be of SS304 material to avoid frequent failurefor wear & tear due to rust & corrosion.)

300 mm dia

80MM dia

65MM dia

50MM dia

40MM dia

32MM dia

25MM dia

S&F of Rubber Bellow Expansion Joints. (All fixing bolts, double Nuts, different type washers must be of SS304 material to avoid frequent failurefor wear & tear due to rust & corrosion.)

200 mm dia

150 mm dia

S & F of water Flow Switch

S&F 20 mm Auto air vent.

DIAL PRESSURE GAUGE SITC of the following Water line PRESSURE GAUGE as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements: Bourden type pressure gauges of 100mm dia of suitable range shall be provided.The water pressure gauge shall be made of stainless steel grade SS304. The dial plate shall be powder coated with white colour base & the calibration shall be done in black colour. All the pressure gauges shall be complete with ball valves & SS Siphon and confirming to IS:3624.

THERMOMETER SITC of the following Water line INDUSTRIAL TYPE THERMOMETER, as per following categories, sizes and qunatities complete with providing all fixing accessories: The V form thermometer shall be made of aluminium die casting with golden colour anodizing. The thermometer shall have a V groove in the body to protect the refill from the damages during the installation. The refill shall be filled with blue colour mercury. The thermometer shall be complete with brass well & the calibration of temperature shall be in Celsius & Fahrenheit.

S&F of Expansion tank, HDPE, 2000 Ltr, with 1 no float valves & 3 nos 50 mm dia butterfly valves with 50 mm thick thermocol insulation having 16 kg/cum density and sand cement plaster. [ For Makeup chilled water line].

S&F of Condensate chilled water storage tank, HDPE, 3000 Ltr, with 1 no float valves & 3 nos 50 mm dia butterfly valves with 50 mm thick thermocol insulation having 16 kg/cum density and sand cement plaster. [For Condensate chilled water storage ].

S&F of Make Up Water Tank, HDPE, 3000 Ltr, with 1 no float valves & 3 nos 50 mm dia butterfly valves complete in all respect.

DUCT WORK (GI DUCT)

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/ round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes,hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required. (As per item no- 16.12.1 of DSR 2022)

Thickness 0.63 mm Sheet

Thickness 0.80 mm Sheet

Thickness 1.00 mm Sheet

ALUMINIUM DUCT WORK (FOR OT ONLY):- Supplying, installation, testing & commissioning of suitable Guages of Aluminium sheet, for supply & return air duct along with necessary supports, flanges etc. as required.

Supplying and fixing of following thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class “O”) insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete as per specifications and as required. (As per item no- 16.23 of DSR 2022)

DUCT THREMAL INSULATION WITH WEATHER PROTECTION FOR EXTERIOR DUCT PORTIONS: S & F of duct thermal insulation with weather protection suitable for outdoor areas of the building/ AHU room by 50 mm thick TF quality expanded polystyrene foam slabs of 20 kg/cu.m density covered with a layer of vapour barrier and covered with 12 mm thick sand cement plaster on GI chicken wire mesh including duly painting by two coats of syn enamel paint over two coats of R.O. primer (Brand of Paint & primer as approved by the EiC} and thereafter S/F bitubinous sheets over the entire exposed surface to prevent entry of rain water complete in all respect (as per direction of EiC)

DUCT ACCOUSTIC INSULATION S & F of 10 mm thick open cell Nitrile rubber (Class "1") insulation having density 140-160 Kg/CuM on inaide duct after applying OEM recommended suitable adhesive for Nitrile rubber with nut bult washers complete in all respect (as per direction of EiC).

UNDERDECK INSULATION S&F of underdeck insulation by 50 mm thick TF quality Expanded polysterene slab (minimum 20 Kg/Cu.Mtr.) with bituminous adhesive compound, wire, washers etc as required (as per direction of EIC)

Supplying, fixing, testing & commissioning of power coated extruded aluminium section return air diffuser with louvers but without volume control dampers complete as required.

S&F of powder coated extruded aluminium section supply/return air linear grill without volume control dampers as required (as per direction of EIC)

S&F of opposed type Collar dampers GI manual type black painted (as per direction of EIC).

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. (As per item no- 16.20 of DSR 2022)

Fire Damper

Actuator

Supply & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specification. (As per item no- 16.15 of DSR 2022)

S&F of Fire Retardant type Canvas for AHU mouth connection (as per direction of EIC)

MAIN LT POWER CUM CONTROL PANEL FOR CHILLER PLANT:- SITC of floor mounted Indoor type extensible cubical communicable MV switchboard, fabricated by CPRI approved panel maker having compartmentalized design, fabricated out of 14 SWG ( 2.0 mm ) nominal thickness CRCA sheet steel for framework and covers, and 3 mm nominal thickness for gland plates, including cleaning and finishing complete with 7 tank process, with short circuit withstand capacity of 31 MVA for one second, front and back openable, hinged, single shuttered, single door, with locking arrangement, good quality dust, damp and vermin proof rubber gaskets, solid connections from main busbars to switchgears with required size of Aluminium busbars, connections and interconnections and control wiring using 2.5 sq. mm of RYB colour coded FRLS PVC Insulated Copper conductor single core cables and copper cable lugs. Cable alley should not consider multilayered cable run and should be spacious to ensure easy and speedy disconnection & reconnection of cables during maintenance.

1 no. of 40 mm x 5 mm GI earth strip for earthing, cable alleys, cable gland plates in two halves, dinrail for mounting switchgear, metering arrangements, drilling holes, detachable gland plates / knockout plates, providing 50 mm x 50 mm x 5 mm nominal thickness MS angle iron support for ACBs alongwith horizontal / vertical intermediate MS flat members for stiffening, mounting on MS channel iron framework 100 mm x 50 mm x 5 mm ( 9.2 kg / metre ) for floor mounting of MV panel, providing MS plate, suitable for bottom cable entry, grouting in ground, powder coating, providing and fixing the following switchgear and measuring instruments, earthing, cartage from fabricator's premises to site of work etc. as required.

The panel comprises of following incomers & outgoings for supplying & controlling following Electrically operated equipment/devicces with proper functioning & monitoring of the central AC plant:

BUSBAR:

Extensible bus bar chamber 3 phase, 4 wire, 440 volts, 50 c/s consisting of high conductivity Aluminium bus bars of capacity 2000 Amps for incoming / outgoing feeder with PVC colour matching sleeves with DMC / SMC busbar supports -2 Set

INCOMER:

Air Circuit Breaker, Horizontal Electrical Draw Out type, communicable, 4 pole, 1250 Amps, 415 volts, 65 kA for 1 sec rating Electrically operated with interlocked doors, automatic safety shutters, mechanical ON / OFF and service / test / isolated position indicators and frame earthing contact, with microprocessor release for LSIGN, 1 no. independent manual spring closing mechanism, conforming to IS 13947 - 2 - 1993 and 1 no. shunt trip coil 220 Volts AC, with cable end box of suitable size. -2 Set

BUS-COUPLER:

Air Circuit Breaker, Horizontal Electrical Draw Out type, communicable, 4 pole, 1250 Amps, 415 volts, 65 kA for 1 sec rating Electrically operated with interlocked doors, Electrical & mechanical (Castle lock/bourdon wire) interlocking between two incomers & the bus-coupler, automatic safety shutters, mechanical ON / OFF and service / test / isolated position indicators and frame earthing contact, 1 no. independent manual spring closing mechanism, conforming to IS 13947 - 2 - 1993,1 no. shunt trip coil 220 Volts AC, with cable end box of suitable size. -1 Set

Common Feature of above Incomer & Buscoupler ACBs: All the ACBs should conform to IS 13947 - 2 - 1993 as amended upto date and should have minimum following protection i) adjustable overload with time delay, ii) adjustable short circuit with time delay, iii) Instantaneous current, iv) adjustable Earth fault with time delay, v) adjustable neutral protection - (min. 50%, 100%). All the ACBS should also have 12kV Impulse withstand capacity, temperature rise protection in-built in release, inbuilt energy metering of Class 1, ZSI, test facility, inbuilt capability of - a) measurement of current, Voltage, unbalance, Power, Energy, MD with date & time stamp, Power Factor etc., & b) Remote Control (ON, OFF, TRIP) and monitoring of all above parameters and Nature of Fault, TRIP History (minimum 10) etc. through remote 3rd party SCADA Terminal connected over Ethernet. The ACB should have U/V Release and at least spare 4NO + 4NC auxiliary contact. There should be LED indicating lamp for showing R, Y, B, ON, OFF, TRIP & Spring charge indication on the panel door, The Release data (Voltage & current waveform at the time of trip) should be available even at Breaker Off & DC power fail condition.

OUTGOINGS:

(i) 415 volts, 630 Amps, 4 Pole MCCB [50 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handle, both sides spreader terminals - 4 Sets.

(ii) 415 volts, 250 Amps, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with megnetic release and rotary operating handle, both sides spreader terminals - 1 Sets

(iii) 415 volts, 100 Amps, 4 Pole MCCB/MPCB with Star delta starter for motor, over load relay with built in SPPR - 8 Sets

(iv) 415 volts, 63 Amps, 4 Pole MCCB/MPCB with Star delta starter for motor, over load relay with built in SPPR - 4 Sets.

Common Feature of above outgoing MCCBs: All the MCCBs should conform to IS 13947 - 2 - 1993 as amended upto date and should have minimum following protection i) adjustable overload with time delay (0.4 to 1x In or better), ii) adjustable short circuit with time delay (1/1.5 - 8/10 Ir), iii) Instantaneous current, iv) adjustable Earth fault with time delay, v) adjustable neutral protection - (min. 50%, 100%). All the MCCBS should also have inbuilt energy metering of class 1, ZSI, test facility, inbuilt capability of measurement of current, Voltage, unbalance, Power, Energy, MD with date & time stamp, Power Factor etc., monitoring of all above parameters and Nature of Fault, TRIP History (minimum 10) etc. through remote 3rd party SCADA Terminal connected over Ethernet. The MCCB should be complete with Both side spreader link, extended rotary handle etc.

CONTROL & ACCESSORIES:

(i) Load Manager Class 1.0 accuracy Load Manager 3 Ph 4 W 240V 5A with RS 485 port ( For measurement of V, A, F, kW, kWh ) with 3 nos. 1200 / 5 Amps bar primary type CTs 15 VA burden Class 1.0 accuracy, and 3 nos. back up 2 Amps HRC fuse or SPMCBs 10 kA breaking capacity - 2 Sets

(ii) 3 nos. phase Indication lamps LED type in RYB colours with toggle switches and 3 nos. of 2 Amps back up HRC fuse or SPMCBs 10 kA breaking capacity, 1 no. breaker ON indication lamp, fuses, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required - 2 Sets.

Accessories : 3 nos. 8 Channel HMI should be fixed at the door of panel. The HMI should be connected to the breakers through proprietary hi-speed link or through Ethernet (in case MCCB is not having hi-speed link or Ethernet Port in-built, necessary hardware for converting the communication port to Ethernet Port should be included in each MCCB/ACB) in such a way that Display of Voltage, Current, Power, Energy, MD (with date and time stamp), Power Factor, Nature of Fault, TRIP History etc. can be done for the respective breakers. All these activities should also be possible through remote 3rd party SCADA Terminal connected over Ethernet.

INTERLOCKING & AUTOMATION

Electrical interlocking through advance contacts in ACBs and mechanical interlocking by bourdon wire (and with 3 castles and 2 keys as optional) for two nos. incoming ACBs and Bus Coupler ACB to ensure that only one supply is available at any time on each section of the bus and to eliminate any possibility of accidental approaching of two supplies at one bus section - 1 set

Panel shall be modbus ethernet ready upto plug & play with RS485 - Ethernet Converter (Minimum 2 nos.) incl S&F of suitable managed Ethernet Switch and there should be one RJ-45 / Ethernet Output from the panel to communicate over Modbus TCP/IP and from Remote SCADA (Existing) including inter connection, control wiring etc as required with FRLS Cu cable.

All the releases of ACB & Communicable Meters should be connected in Daisy Chained through Communication Cable (By 3 Core Shielded Communication Cable for RS485 Port). Two separate Daisy Chain connection for ACBs and Communicable Meters. [1] Breakers shall be communicable on Ethernet (Modbus TCP/IP) for Metering & Control and Trip history communication. [2] Provision to be made for automation by S&F suitable PLC [Make of PLC shall be same as per make of ACB] [3] It shall be possible to view metering and control Breakers through local Computers/Laptop. [4] The system communication architecture should be plug and play and should not involve extensive programming etc for commissioning.

(The LT Panel, fabricated by Channel Partner of ABB/Legrand/Siemens/Schneider/ Experienced CPRI approved panel builder. Detail Documentation incl Design & Drawings conforming to relevant IS with latest modification to be approved by EIC before starting panel manufacturing and inspection to be arranged at factory/workshop before delivery at site).

AHU VFD BY-PASS STARTER PANEL FOR OT area: Supply, installation, testing and commissioning of wall mounted cubical type LT distribution control panel, VFD Bypass Starter & exhaust fan control Electrical Panel Board fabricated from sheet steel comprising with following accessories incl. internal wiring earthing & painting. The panel should be constructed as per rating of AHU Motors & Heater bank and provision for two separate circuit (1W+1S) as per direction of EIC.

MCCB suitable rating as Incomer & outgoing per the ratings of AHU motor and Heater

DOL / SD starter as per HP ratings---2 Nos

VFD mode and Bypass mode Starter as per HP ratings --- 2 Nos

Terminal block for power distribution.--- 2 Sets

Power Contactor for Main, Star & Delta, I/P & O/P of VFD, auxilary contractor, over load relay, with inbuilt single phasing protection, control transformer ---- 2 Sets

Phase indicating lights and indicating light for ON , OFF & TRIP status. --- 2 Sets

Wiring for microswitch for stopping the fan of AHU when fire damper closes.

Panel mounted digital Ammeter in 96x96 mm² [0 - 50 Amp.]

Panel mounted digital Voltmeter in 96x96 mm² [0 - 500 V]

24V, DC relay with 2NO & 2NC auxilary contractor and making necessary provision for interlocking with Fire Detection & Alarm system as per usual fire safety standard --- 1 set

Separate control for Heater and Humidity control with necessary safety switch as per direction of EIC.

230VAC/24V DC, 2 A SMPS with necessary wiring --- 1 set

Necessary separate power & control circuit for Heater unit with MCB, contractor, safety switchs, indication for ON & OFF shouls be provided with AHU panel etc as per direction of EIC.--- 1 set

Provision of sufficient space & connectivity for VFD (supplied with AHU)

Danger Board.

AHU VFD BY-PASS STARTER PANEL FOR OTHER AREAS: Supply, installation, testing and commissioning of wall mounted cubical type LT distribution control panel & VFD Bypass Starter Electrical Panel Board fabricated from sheet steel comprising with following accessories incl. internal wiring earthing & painting. The panel should be constructed as per rating of AHU Motors and provision for two separate circuit (1W+1S) as per direction of EIC (For other areas).

MCCB suitable rating of Incomer & outgoing as per the ratings of AHU motor.

DOL / SD starter as per HP ratings---2 Nos

VFD mode and Bypass mode Starter as per HP ratings --- 2 Nos

Terminal block for power distribution.--- 2 Sets

Power Contactor for Main, Star & Delta, I/P & O/P of VFD, auxilary contractor, over load relay, with inbuilt single phasing protection, control transformer ---- 2 Sets

Phase indicating lights and indicating light for ON , OFF & TRIP status. --- 2 Sets

Wiring for microswitch for stopping the fan of AHU when fire damper closes.

Panel mounted digital Ammeter in 96x96 mm² (AE / HPL) [0 - 50 Amp.]

Panel mounted digital Voltmeter in 96x96 mm² (AE / HPL) [0 - 500 V]

24V, DC relay with 2NO & 2NC auxilary contractor and making necessary provision for interlocking with Fire Detection & Alarm system as per usual fire safety standard --- 1 set

230VAC/24V DC, 2 A SMPS with necessaty wiring --- 1 set

Provision of sufficient space & connectivity for VFD (supplied with AHU)

Danger Board.

Supply & Delivery (at site) of 1.1 KV Grade XLPE insulated and PVC sheathed (Armoured) Aluminium conductor cable conforming to IS: 7098 / 1988 with its latest amendment as per following sizes:

3.5 Core 240 Sqmm

4 Core 35 Sqmm

4 Core 25 Sqmm

4 Core16 Sqmm

4 Core 10 Sqmm

4 Core 6 Sqmm

Laying & dressing of 1.1 KV Grade XLPE insulated and PVC sheathed (Armoured) Aluminium conductor cable on prelaid cable trays (as per direction of EIC) as per following sizes:

3.5 Core 240 Sqmm

4 Core 35 Sqmm

4 Core 25 Sqmm

4 Core16 Sqmm

4 Core 10 Sqmm

4 Core 6 Sqmm

Supply & Delivery (at site) of 1.1kV Gr. PVC round armouerd copper Control Cable conforming to IS: 694 / 1988 with its latest amendment as following sizes:-

7 Core 1.5 Sqmm

3 Core 2.5 Sqmm

2 Core 2.5 Sqmm

Laying & dressing of 1.1kV Gr. PVC round armouerd copper Control Cable on prelaid cable trays (as per direction of EIC) as per following sizes:

7 Core 1.5 Sqmm

3 Core 2.5 Sqmm

2 Core 2.5 Sqmm

S&Laying of 25 mm NB FR PVC rigid Conduit on wall surface incl S/F all fixing accessories.

S&F of compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below :

3.5 Core 240 Sqmm

4 Core 35 Sqmm

4 Core 25 Sqmm

4 Core16 Sqmm

4 Core 10 Sqmm

4 Core 6 Sqmm

7 Core 1.5 Sqmm

3 Core 2.5 Sqmm

2 Core 2.5 Sqmm

Finishing the end of following XLPE/PVC armoured cables/Copper control cable by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials:

3.5 Core 240 Sqmm

4 Core 35 Sqmm

4 Core 25 Sqmm

4 Core16 Sqmm

4 Core 10 Sqmm

4 Core 6 Sqmm

7 Core 1.5 Sqmm

3 Core 2.5 Sqmm

2 Core 2.5 Sqmm

GI PERFORATED CABLE TRAY:- S&F of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support With S&F 25x25x3mm angle iron support (as to GS D14/34/ii).

600 mm x 50 x 1.2mm

300 mm x 50 x 1.2mm

200 mm x 50 x 1.2mm

Earth Bus Bar for equipment connection:- S&F of galvanized (Hot Dip) MS flat 50 mm x 6 mm on wall/floor as to GS for earthing continuity.

S&F of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall as to GS for earthing continuity.

S&F of Stranded GI (Hot Dip) wire of size 8 SWG as to GS for earthing continuity.

WATER TREATMENT PLANT SITC of suitable capacity Water Treatment plant to operate in conjunction running AC plant comprises of Fedd Pump, Iron Removal Filter, Water Softener. The Plant must be constructed with welded Mild Steel of adequate thickness not less than 5 mm complete with Iron eliminator, Brine Tank made out of FRP 5 mm thick, pump with suitable capacity along with motor, electrical cabling work, chemicals and reagents for initial charge complete with all respect for satisfactory performance. The job also includes Inlet, Outlet, Drain Connections including interconnecting pipes from Inlet water source to the Plants and up to the delivery point from the Plants inclduing electrical wiring for Feed Pumps & Agitataors and including submission of Test Reports of Water Quality before & after commissioning of the WTP. The job to be exceuted in strict compliance with proper safety protocoles with the help of proper MS scaffolding structures and other mandatory needs (as per the direction EIC)

Regenerated Make Up water to deliver: 100 USGPM Hardness of output water: Less than 25 PPM (CaCO3) PH Value of output water: Less than 7.5 Iron content of Output water: Less than 0.2 PPM Re-generation Interval: Weekly Once AC plant capacity: 600 TR (working) Condenser Circuit

AIR-CURTAIN:- Supply and fixing of air curtain made of CRCA sheet fabricated with pure polyester powder coating paint body suitable for 48 - 60 inch wide door consisting of 1no motor with 2 nos blower suitable to run with 230V/ 50 Hz /1 phase power supply.

6.0 feet having air velocity of 18 Mtr/Sec

5.0 feet having air velocity of 18 Mtr/Sec

4.0 feet having air velocity of 15 – 18 Mtr/sec

ACP BOARD BOX CEILING WITH TRAP DOOR WORK : Supplying, fitting & fixing in position suspended boxing for return /supply air arrangement for ducting or flat falas ceiling and Tap Door with frame work of aluminium hollow section of size 50mm x25mm (2.0mm thickness) combined with aluminium corners of size 38mm x 25mm, suspended by aluminium hollow tube section of size 38mm x 25mm ,25mm x 25mm powder coated wall angle with aluminium composite panel Make: Aludecor / Armstrong / Pratap, Outdoor type) of thickness 3.0mm comprising of protective film, polyester coating, primer, aluminium coil, adhesive film, polyethylene core again with one layer adhesive film, aluminium bottom coating and finally service coating as per manufacturer's specification inished with aluminium screw and silicon sealant including suitable arrangement for grill fixing complete in all respect complete by using proper scaffolding and safety arrangements (As per direction of EIC)

SITC of Monoblock Type Water re-circulating Pump-Motor set 3 HP (head : minimum 66 mtrs.) complete mounted and aligned with vibration isolators including S&F of suitable rated DOL starter (LT/LK MK-1 type) and electrical connections complete in all respects. (1 No. Working + 1 No. StandBy) [for utilization of condensate water from AC indoor units (AHUs/FCUs) in make up water sytem of the AC plant for recycling & conservation of water]

Providing minor natured civil work like making brick supports/pedestals and making holes/groovs for installation of machineries, pipes and ducts etc. as per following:

Cutting of brick wall by necessary tools & tackles with the help of skilled labour for passing different sizes duct & pipe lines in horizontal run including mending good the damages upto painting with original wall matching colour and removal of rubbish as per direction & prior permission of EIC.

Core cutting of RCC slab by necessary tools & tackles with the help of skilled labour for passing different sizes duct & pipe lines in vertical run including mending good the damages upto painting with original wall matching colour and removal of rubbish as per direction & prior permission of EIC.

Supply, fabrication, erection of additional MS structural work beyond normal laying for providing special supporting arrangement in hazardous zones in laying Pipes, Ducts, Cables, Cable Trays, Foundations, Structures, Supports, other AC accessories: M.S. works in brackets made from flats, angles, tees etc. to sizes specialy bent, twisted, forged; making holes drilled and fitted to rafter of trusses with necessary bolts, nuts, washer or screws etc. The above structure should be painted 2 coats painting over 2 coats of primer as per direction of EIC.

Terms and Conditions

a. Rate should be quoted inclusive of all applicable taxes and Duty etc.

b. The Agency must procure the materials from the Manufacturer / OEM or from their authorised sales channel so that the standard warranty / support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them.

c. Documents that authenticates such procurement from the Manufacturer / OEM or from their authorized sales channel and standard warranty / support should be sent from the e-mail of the Manufacturer / OEM / authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution, of work/submission of bill.

d. If any refurbished material is supplied and installed, penal action will be taken as per existing rules.

(Defect Libilities period for 01 year from the date of completion of work)

(Rates should be Quoted inclusive of all taxes & duities and L.W.C. @ 1% as applicable)

VOLTAS LIMITED (BID ID -7590242)

BLUE STAR LIMITED (BID ID -7581109)