Proposed new Integrated Science and Technology campus of C.U, Rajarhat- Cons of G plus7 Bldg-Tower 4 incl G Plus 15 strd foundation, S-S Bldg compound devp and Const. of G plus 3 strd New Bldg-Tower 3 incl G plus 7 strd foundation-SITC ofWCACChiller

Amount

Water Cooled Screw Chiller unit with VFD (3Nos Working) Supply, installation, testing & commissioning of AHRI Certified Water-cooled semi- hermetic horizontal twin Screw chiller units with single compressor, evaporator, water- cooled condenser, VFD starter, control panel etc. The chiller will be precharged with CFC/HCFC free R134a Refrigerant gas. The drive motor suitable for 415V +/-5%, 3 phase, 30-50 cycles/sec , drive assembly, guard, etc. The chiller should be insulated as per manufacturers standard. Microprocessor based starters shall be unit mounted with protection for under voltage, over load, earth fault and single phasing etc. The quoted price shall also include necessary vibration isolators. Micro-processor based controls with alpha-numeric display in English for all operating parameters such as supply voltage, frequency, load current, chilled water inlet, chilled water outlet, condenser inlet and outlet temperature parameters, operating pressures, minimum 1000 event log, fault history etc., Power and control hardware including one point start-stop, protective Main Switch for electric motors, starters, safety features for under-voltage and over voltage, single phase preventer, trip circuit with sensing elements for HP/LP/Anti-freeze, chilled water temperature sensors. Compressor shall be able to unload down upto 25%. COP and IPLV of chiller shall be as per ECBC building code.Actual cooling capacity at designed conditions indicated below :

PRIMARY CHILLED WATER PUMP (3 nos Working) 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 450 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 50mm thick EPS (same as that of chilled water pipeline), 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]

SECONDARY CHILLED WATER PUMP WITH VFD ( 2W + 1S ) (FOR BUILDING G+7) a) 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 50mm thick EPS (same as that of chilled water pipeline), 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 450 USGPM flow rate under suitable head 50M (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. b) 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 specified 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.

SITC of Logic Controller for the pumps

SITC of DP sensor for Variable Pumping application

Supply & laying of Signal cable between DP Sensor to Pump Controller complete with protection

SECONDARY CHILLED WATER PUMP WITH VFD ( 1W + 1S ) (FOR BUILDING G+3) a)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 thick 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 450 USGPM flow rate under suitable head 50M (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. b) 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 specified 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.

Logic Controller for the pumps

DP sensor for Variable Pumping application

Signal cabling between DP Sensor to Pump Controller complete with protection

CONDENSER WATER PUMPS a)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, 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 20M (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. Quantity indicated 3 working.

FLOOR MOUNTED AHU WITH SUITABLE VFD 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) cooling coil of 6 row deep, filter section with 50mm thick metal viscous/ washable synthetic type air prefilters, 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. 28900 CMH,Static pressure 50mm TSP

15300 CMH,Static pressure 50mm TSP

11900 CMH,Static pressure 50mm TSP

8500 CMH,Static pressure 50mm TSP

CEILING SUSPENDED AIR HANDLING UNIT WITH VFD Supply, Installation, Testing and commissioning of factory built Ceiling Suspended 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) cooling coil of 6 row deep, filter section with 50mm thick metal viscous/ washable synthetic type air prefilters, 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. 6000 CFM Capacity, 50 MM Total Static Pressure

5000 CFM Capacity, 50 MM Total Static Pressure

4500 CFM Capacity, 50 MM Total Static Pressure

4000 CFM Capacity, 50 MM Total Static Pressure

3500 CFM Capacity, 50 MM Total Static Pressure

3000 CFM Capacity, 50 MM Total Static Pressure

2500 CFM Capacity, 50 MM Total Static Pressure

1600 CFM Capacity, 50 MM Total Static Pressure

Supply, installation, testing and commissioning of high static fan coil unit with single skin casing having 13 mm thick PUF insulation, 3 row deep chilled water type cooling coil, DIDW forward curved centrifugal fan with high efficiency TEFC Fractional HP single phase motor, 12 mm thick pre-filter with valve package/valve station (2 way valve with actuator and thermostat, ball valves with and without strainer) of capacity rated below.(Make-same as of AHU)

3 TR/1200 CFM

2.5 TR/1000 CFM

2.00 TR/800 CFM

CHILLED WATER PIPING 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) 200 mm NB (75 mm Thick)

150 mm NB (50 mm Thick)

125 mm NB (50 mm Thick)

100 mm NB (50 mm Thick)

80 mm NB (50mm Thick)

65 mm NB (50 mm Thick)

50 mm NB (50 mm Thick)

40 mm NB (50 mm Thick)

32 mm NB (50 mm Thick)

25 mm NB (50 mm Thick)

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. 250 mm NB

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 sepcifications. (As per item no- 16.7.1 of DSR 2022) 150 NB

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)

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) 150MM

Y-STRAINER MS 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)

2-WAY MIXING VALVE WITH ACTUATOR, LINKAGE & THERMOSTAT The two way modulating valves shall be provided in chilled water line to the cooling coil of Air- handlers which is actuated by a proportionate thermostat. These valves shall consist of bronze metal valve body with stainless steel trim. Modulating motor shall be suitable for operation with a signal of 0-24 volt DC. The pressure drop across valve for air-handler unit shall not exceed 5.0 PSI. The valve linkages shall be of the same make as of valves & modulating motor. 80MM

PRESSURE GAUGE SITC of the following Water line PRESSURE GAUGE as per following categories, sizes and quantities 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.

WATER FLOW SWITCH(make- Honeywell)

AUTO AIR VENT

DUCT WORK (GI DUCT) Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal with 120GSM zinc coating, 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

Supplying & fixing of Al powder coated Supply Air Grills/ Diffuser with volume control dampers as per site requirement.

Supplying & fixing of AL powder coated Return Air Grills/ Diffuser with louvers but without volume control dampers complete as per requirement.

Supply and fixing of Opposed blade GI Duct Damper of 18 G GI sheet and frame.

Supplying, Fixing,testing and commissioning of fire dampers 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. Fire Damper

Actuator

Supplying & fixing of acoustic insulation inside ducting with 1Omm thick open cell nitrile rubber (class O) of density 14OKg/cu.m-160 Kg/Cum insulation with bolts nuts GI washers 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. ----- 19mm

Supply & fixing of underdeck insulation with 50mm thick TF quality Expanded polysterene slab with density 20Kg/Cum.(Make-same as of air terminal devices)

Supplying, fixing, testing & commissioning of powder coated extruded aluminium section fresh air grill in AHU room with aluminium volume control dampers, bird screen etc complete as required. (Make-same as of air terminal devices)

DRAIN PIPE FOR CHILLED WATER SYSTEM WITH INSULATION:- SITC of Drain piping with GI B Class pipes with fittings duly insulated with 25 MM THICK "TF" qulaity (16 Kg/CuM density) EPS section, Vapour barrier and covered with sand, cement and plaster with GI chicken wire mesh along with necessary quantities of supports, flanges, bends, elbows, fittings, nutbolts,gaskets etc: 50 MM

Supply and installation of 2500 L HDPE Make-up water Tank (Mk.Patton/Syntex) along with 1 No Float Valve and 3 Nos isolation valves for necessary connections including thermal insulation work by 75 mm thick Expanded Polystyrene covered with GI Chicken wire mesh, vapour barrier and 12 mm thick sand cement plaster cover.

FRP INDUCED DRAFT COOLING TOWER SITC of FRP Induced Top air flow draft Counter Flow Cooling Tower suitable for 600USGPM water Air-conditioning Plant having following heat rejection capacity with FRP water basin, PVC fillings with integral louvers, ladder and drift eliminators complete with hot water basin either filled with spray nozzles or having self rotating sprinklers, statically and dynamically balanced axial flow type fan- direct driven or driven through reduction gear box with three phase, 415 ± 10% volts, 50 Hz. TEFC induction motor, suction screen, make up-quick fill arrangement, overflow and drain connections with necessary valves and suitable inspection ladder, access arrangement for cooling tower interior, steel / mesonary supporting structure, anti-vibration mountings etc. complete as per specifications and as required. Each Cooling Tower Electrical part(motor) shall have IP65, all weather proof, isolator with lockable arrangement. i) Heat rejection capacity - Suitable for 160 Tr. water cooled Air conditioning Plant. ii) Design Wet Bulb Temperature: 29 Deg C iii) Cooling Towe Inlet Temp: 36.0 Deg C iv) Cooling Tower Outlet Temp: 32.0 Deg C Outside Wet Bulb Temp: 29 Deg C v) water circulating capacity: 600USGPM

Water Treatment Plant Supply, installation, testing and commissioning of suitable capacity (minimum 2000 litre per hour) Water Treatment plant to operate in conjunction with 450 TR running capacity AC plant constructed with Multigrade Sand Filter, Iron Remover Filter, Softener Plant , 0.5 Hp pump with suitable capacity along with motor, Plumbing works by CPVC external Pipe Fittings, electrical cabling work, chemicals and reagents for initial charge complete with all respect for satisfactory performance: 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 Sand Filter: 1 Nos. Material of construction of Pressure Vesel & Pipes - FRP/PVC Maximum Flow rate in Litres per hour - 2000 Ltr Max. Working Pressure (kg/cm2g) - 3.5 Volume/Backwash ( m3/hr) -0.9 Iron Filter: 1 Nos. Material of construction of Pressure Vessel and Pipes - FRP/PVC Resin Used in Iron Filter - ISR Resin Maximum Flow rate in Litres per hour - 1000 Ltr Softener: 1 Nos. Flow rate - 3000 Ltr/Hr. Minimum to Maximum Working Pressure kg/cm2- 1.8 - 13.5 Output Capacity per recharge @200ppm hardness as CaCo3 - 22 Salt Regeneration (Kgs) - 16 Kg Resin Type- ZRNaF (Purple Resin) Resin Quantity (Litres) - 90 Lrs Cost of water treatment plant including 3 years Comprehensive Maintenance beyond 1 year DLP Period. Cost of consumable items such as salt etc to be included with the rate of Water Treatment Plant.

S & F of Expansion tank, HDPE, 1500 Ltr, with 1 no float valves & 3 nos 50 mm dia butterfly valves with 50 mm thick thermocol insulation having 16 kg/cum density.

(a) ELECTRICAL PANEL - 1 ( For 2 X150 Ton Chiller) Supplying, installation, testing & commissioning of cubical type LT panel suitable for 415 V, 3 Phase, 4 Wire 50 Hz AC supply system fabricated in compartmentalized (preferably) design from CRCA sheet steel of 2 mm thick for frame work (panel fabricator must have CPRI appropval) and covers, 3 mm thick for gland, plates including cleaning & finishing complete with 7 tank process for powder coating in approved shade, having 1250 Amp capacity extensible type TPN copper bus bars of high conductivity, DMC / SMC bus bars of high conductivity, DMC/ SMC busbar supports, with short circuit withstand capacity of 50 KA for 1 Sec., panel should be fabricated with 50mm x 50mm x 6 mm angle structure and the base should be fabricated with 40mm x 6 mm flat bars. Bottom base channel of the MS section is not less than 100 mm x 50 mm x 5 mm thick, fabrication shall be done in transportable sections, the entire panel shall have a common copper earth bar of size 25 mm x 5 mm at the rear with 2 Nos. earth stud, solid connections from the main bus bar to switch gears with the required size of Al. bus bars and control wiring with PVC insulated copper conductor S/C cable, cable alleys, cable gland plates in two halves, i/c providing the following switch gears. A) Incoming Arrangement: (a) 630 Amps four pole Microprocessor based air circuit breaker with LSING protection, fault breaking capacity 50 KA (Ics=Icu upto 415 V Electrically drawout , fitted with interlocked door, automatic safety shutters, mechanical ON/ OFF and service/test/isolated position indicators,Earth fault &Shunt release, remote fault Indicator and frame earthing contact, conforming to IS 1397- 2 : 1993 as amended up-to-date complete with Independent motorized spring closing mechanism- 1 Set

B) Metering Arrangement: (a) Digital type Voltmeter (Make-L & T / Equivalent Legrand / Siemens / Schneider) - 1 set (b) Digital type Ammeter (Make-L & T/ Legrand / Siemens / Schneider) - 1 no and one set of 3 nos. CT’s Class I accuracy and 600/ 5A,10 VA Tape Wound – 1 Set (c) Digital type Energy Meter with RS 485 Communication Port (Make-L & T/ Legrand / Siemens / Schneider) - 1 no (d) Phase indication LED lamps & on/off/trip indication with 6 Amp SP MCB(3nos), test terminal block set, fuses, circuits as per standard practice, auxiliary contacts for positive interlocking of the breakers as required for 1 Nos ACB C) Bus Section: 500 V 1000 A. electrolyte grade tinned copper bus bar with vertical section of size 4 nos (60 mm x 10 mm) x 1500 mm length for Phase RYB & neutral bars. The bus bar shall be fixed with FRP chair & the entire bars are insulated with PVC heat Sinkable sleeve of suitable size & color as per direction of E.I.C. (D)Outgoing Switches:- 250A MCCB with LSING protection- 2 NOS. (For Chiller) 11KW FASD STARTER-2NOS (For Primary Chiller water pump) 125A FPMCCB -1 no (For 2W+1S Secondary Chiller water pump) 63A FPMCCB-1No (spare) 15 KW FASD STARTER - 2 NOS. (For CDWP,600USGPM,20 Mtr Head) 7.5KW FASD STARTER - 2 NOS. (For Cooling Tower)

(b)ELECTRICAL PANEL - 2 ( For 150 Ton Chiller) Supplying, installation, testing & commissioning of cubical type LT panel suitable for 415 V, 3 Phase, 4 Wire 50 Hz AC supply system fabricated in compartmentalized (preferably) design from CRCA sheet steel of 2 mm thick for frame work and covers, 3 mm thick for gland, plates including cleaning & finishing complete with 7 tank process for powder coating in approved shade, having 600 Amp capacity extensible type TPN copper bus bars of high conductivity, DMC / SMC bus bars of high conductivity, DMC/ SMC busbar supports, with short circuit withstand capacity of 50 KA for 1 Sec., panel should be fabricated with 50mm x 50mm x 6 mm angle structure and the base should be fabricated with 40mm x 6 mm flat bars. Bottom base channel of the MS section is not less than 100 mm x 50 mm x 5 mm thick, fabrication shall be done in transportable sections, the entire panel shall have a common copper earth bar of size 25 mm x 5 mm at the rear with 2 Nos. earth stud, solid connections from the main bus bar to switch gears with the required size of Al. bus bars and control wiring with PVC insulated copper conductor S/C cable, cable alleys, cable gland plates in two halves, i/c providing the following switch gears A) Incoming Arrangement: (a) Supply & Installation of 415 V 4P 36KA 400 A MCCB (Make-L & T / Equivalent Legrand / Siemens / Schneider) with thermal release fixed type suitable for isolation with extended rotary handle (Make-L & T / Equivalent Legrand / Siemens / Schneider) and on/off/trip contact - 1 Nos. ICS=100%ICU

B) Metering Arrangement: (a) Digital type Voltmeter (Make-L & T / Equivalent Legrand / Siemens / Schneider) - 1 set (b) Digital type Ammeter (Make-L & T/ Legrand / Siemens / Schneider) - 1 no and one set of 3 nos. CT’s Class I accuracy and 400A/ 5A, 5 VA Tape Wound – 1 Set (c) Multifunction Meter with RS 485 Communication Port (Make-L & T/ Legrand / Siemens / Schneider) - 1 no (d) Phase indication LED lamps & on/off/trip indication with 3 nos 6 Amp SP MCB, test terminal block set, circuits as per standard practice, C) Bus Section: 500 V 600 A. electrolyte grade tinned copper bus bar with vertical section of size 4 nos (40 mm x 10 mm) x 1000 mm length for Phase RYB & neutral bars. The bus bar shall be fixed with FRP chair & the entire bars are insulated with PVC heat Sinkable sleeve of suitable size & color as per direction of E.I.C. Outgoing Switches :- 250 A MCCB with LSING Protection- 2 NOS. (For Chiller) 11KW FASD STARTER-1NO (For Primary Chiller water pump) 63A FPMCCB -1 no (For 1W+1S Secondary Chiller water pump) 63A FPMCCB-1No (spare) 15 KW FASD STARTER - 1 NOS. (For CDWP,600USGPM,20 Mtr Head) 7.5KW FASD STARTER - 1 NO. (For Cooling Tower)

5.5 KW DOL Starter With Type 2 Cor Ordination-2 set

3.7 KW DOL Starter With Type 2 Cor Ordination-6 set

2.2 KW DOL Starter With Type 2 Cor Ordination-5 set

1.5 KW DOL Starter With Type 2 Cor Ordination-6set

1.5 KW DOL Starter With Type 2 Cor Ordination-7set

SITC of centralized control system. The system should have ON, OFF, Star Stop facility to operate all the AHU located at different floor.

POWER AND CONTROL CABLING Supply and Delivery of one number 1.1 KV Grade XLPE insulated and PVC sheathed aluminium conductor cable ( Armoured ) Al cable conforming to IS: 7098 / 1988 with its latest amendment of following size. 4 Core 240 sqmm XLPE A/Al Cable

3 Core 25 sqmm XLPE A/Al Cable

3 Core 16 sqmm XLPE A/AI Cable

3 Core 10 sqmm XLPE A/AI Cable

3 Core 6 sqmm XLPE A/AI Cable

3 Core 4 sqmm XLPE A/AI Cable

Supply and Delivery of one number 1.1 KV Grade XLPE insulated and PVC sheathed cable ( Armoured ) Cu cable conforming to IS: 7098 (Part-I)2011 with its latest amendment of following size.] 3 Core 2.5 sqmm XLPE Cu Cable

Supply & Fixing 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 25x25x3mm angle iron support 300x50x1.25mm (18SWG)

200x50x1.25mm (18SWG)

Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damagesConnecting the equipments to earth busbar including S & F GI (Hot Dip) wire of size as below on wall/floor with staples buried inside wall/floor as required and making connection to equipments with bolts, nuts, washers, cable lugs etc. as required and mending good damages. '8 SWG GI WIRE

Connecting the equipments body to earth busbar including S&F 20 mm x 3 mm galvanised (Hot Dip) MS flat on wall/floor with GI saddles as required and connection to equipments incl. drilling holes, with bolts, nuts, washers etc. TERMS & 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.

VOLTAS LIMITED (BID ID -6298094)

Shinryo Suvidha Engineers India Pvt. Ltd. (BID ID -6280192)