WBPWD/SEHEC/SKHED/NIQ32/18-19

Amount

SUB-HEAD A - CHILLER

Supply, Positioning, Starting, Testing & Commsioning of AHRI / Eurovent certified Water Cooled Screw Chiller package of capacity stated below and suitable for HFC 134A having Single / multiple compressor of equal capacity of screw type (semi/hermetic type) complete with suction and discharge shutoff valves and with veriable speed drive, HP/LP cutouts, oil pressure failure switch, gague panel, cranckcase heater, automatic capacity control, microprocessor based control for chiller control, water cooled condencer, DX/Flooded chiller, with multiple circuits, control such as thermostatic expension valve, cooling thermostat, antifreeze thermostat, water pressure/flow switch, refrigerant pipes and fittings, strainer, sight glass isolating valves, rubber bellows all mounted on MS baseplate. Motor shall be suitable for 415V ±10%, 50 Hz ± 5%, 3-Ph AC supply. Variable speed drive shall have suitable harmonic filter. Operating conditions are furnished below:

Minimum Refrigeration Capacity - 185 TR (Actual) at the following operating conition and AHRI condition (2 Working + 1 Standby)

Refrigerant - 134 A

Chilled Water Inlet Temp - 14.5 0C

Chilled Water Outlet Temp - 6.5 0C

Condenser Water Inlet Temp - 32 0C

Condenser Water Outlet Temp - 36 0C

Fouling factor Evaporator & condenser as per ASHREE and AHRI

IPLV shall be as per latest BEE circular for ECBC buildings.

COP of chiller shall be as per latest BEE circular for ECBC buildings.

IKW/TR at design condition shall be as specified by AHRI

System should have provision for installation of plant manager. Ambient Temperature - 52ºC” to be considered.

[Make - As per APPROVED MAKES]

SUB-HEAD B - COOLING TOWER

Supply, Installing, Testing and Commissioning of FRP Cooling Tower having following heat rejection capacity with FRP water basin, PVC fillings with integral louvers 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, cement concrete foundation, steel / mesonary supporting structure, anti-vibration mountings etc. complete as per specifications and as required. Each Cooling Tower shall have IP65, all weather proof, isolator with lockable arrangement.The Cooling Tower shall be Treated with Anit Corrosive Treatment , so as to give in duty life of minium 8 years (2 Working + 1 Standby)

i)Heat rejection capacity - Suitable for 190 TR water cooled Air conditioning Plant

ii)Design Wet Bulb Temperature - 27.5 0C

iii)Cooling Tower Water Inlet Temp - 36 0C

iv )Cooling Tower Water Outlet Temp - 32 0C

v )Wet bulb Temp - 28 0C

[Make - As per APPROVED MAKES]

SUB-HEAD D- PRIMARY CHILLED WATER PUMP

Supply, Installation, Testing and Commissioning of Back - Pullout Casing Primary chilled water pump set capable of delivering 555 USGPM of water . duly insulated with 32mm thik Nitrite Rubber , Each comprising of Suitable HP, SPDP Squirrel Cage Induction Motor with class "B" insulation, 1440 rpm synchronous speed, suitable for operatation on 415 ± 10% volts, 3 phase, 50 Hz A.C. supply. The Pump / Motor shall confirm to IE2 Standard and 81.4% Efficiency. 150 mm dia dial type pressure gauges for inlet & outlet, mounted on common MS base plate, complete as per specifications etc. as required. (2 Working + 1 Standby) , The pump shall have IP65, all weather proof, isolator with lockable arrangement.

[Make - As per APPROVED MAKES]

SUB-HEAD E- SECONDARY CHILLED WATER PUMP

Supply, Installation, Testing and Commissioning of Back - Pullout Casing Secondary chilled water pump with VFD set capable of delivering 555 USGPM of water . duly insulated with 32mm thik Nitrite Rubber , Each comprising of Suitable HP, SPDP Squirrel Cage Induction Motor with class "B" insulation, 1440 rpm synchronous speed, suitable for operatation on 415 ± 10% volts, 3 phase, 50 Hz A.C. supply. The Pump / M otor shall confirm to IE2 Standard and 81.4% Efficiency. 150 mm dia dial type pressure gauges for inlet & outlet, mounted on common MS base plate, complete as per specifications etc. as required. (2 Working + 1 Standby) ,

The pump shall have IP65, all weather proof, isolator with lockable arrangement. Each pump shall have Variable Frequency Drive, with IP_-54 panel enclosure and having a bypass mode. 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 SECONDARY CHILLED WATER PUMP. The drive shall be having open protocole connectivity (Modbus / Bacnet / N2 / FLN). [Make - As per APPROVED MAKES]

SUB-HEAD E- CONDENSER WATER PUMP

Supply, Installation, Testing and Commissioning of Back - Pullout casing Condenser Water Pump set capable of delivering 740 USGPM of water , Each comprising of Suitable HP, SPDP Squirrel Cage Induction Motor with class "B" insulation, 1440 rpm synchronous speed, suitable for operatation on 415 ± 10% volts, 3 phase, 50 Hz A.C. supply. The Pump / M otor shall confirm to IE2 Standard and 81.4% Efficiency. 150 mm dia dial type pressure gauges for inlet & outlet, mounted on common MS base plate, complete as per specifications etc. as required. (2Working + 1 Standby), The pump shall have IP65, all weather proof, isolator with lockable arrangement.

[Make - As per APPROVED MAKES]

SUB-HEAD G - AHU

FLOOR MOUNTED AHU WITH SUITABLE VFD

SITC of factory built floor mounted chilled water double skin type horizontal/vertical air handling units made of 25 mm thick panels consisting of preplasticized 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 0.5 mm) cooling coil of 6 row deep, filter section with 50 mm thick

synthetic pre-filter (90% down to 10 micron) and fine filter (95% down to 5 micron), belt drive package with TEFC drive motor of efficiency class IE3 suitable for 415 ± 10% V, 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 thermometres (2 Nos.) at the inlet and outlet of coil, autopurge valve wherever required, necessary vibration isolation arrangement etc. complete as per specification and of following Capacities

[Make - As per APPROVED MAKES]

80 MM total Static Pressure

125 MM total Static Pressure

CEILING SUSPENDED AHU

SITC of factory built ceiling suspended type double skinned chilled water air handling units fabricated out of extruded aluminium section with 0.6mm pre-plasticized / pre coated galvanised steel sheet outside & 0.6mm plane galvanised steel sheet inside with farward curved blower, blower section and blower motor TEFC type suitable for operation on 415 ± 10% V, 50Hz± 5% , 3 Phase AC supply, 4 row cooling coil made of Aluminium finned copper tube with coil section, pre filter section with non woven synthetic media of 10 micron particle size with an efficiency of 90% polished stainless steel drain pan made out of 22SWG sheet duly insulated complete with motor , direct / belt drive as mentioned below etc. without face and bypass dampers. All direct driven fan motor shall be sourced from fan manufacturer & factory fitted only.

The AHU panel shall be insulated with 23mm thick & 36 kg/m3 density PU foam. The motor & blower assembly shall be mounted on Aluminium extruded section only. The complete AHU shall conform to standard specification. The face velocity across cooling coil shall be limited to 152 MPM maximum. The supply blower motor shall be VFD operated including suitable VFD & their necessary control etc as required. The capacity of Air handlers shall be as follows :

[Make - As per APPROVED MAKES]

2100 CFM 50MM Total Static Pressure

1800 CFM 50MM Total Static Pressure

FAN COIL UNIT

SITC of Fan coil unit with controller package includes 2way Valve, Ball Valve with and without strainer for connections and temperature controller with linkages. [Make - As per APPROVED MAKES]

a) FCU 1 TR / 400 CFM

b) FCU 1.5 TR / 600 CFM

c) FCU 2 TR / 800 CFM

d) FCU 2.5 TR / 1000 CFM

UVC EMITTER.

a) SITC of UVC EMITTER for the above AHU's for prevention of fungus in the chilled water cooling coils. The minimum UV intensity in the coils shall be greater than 1000 UW-SEC/CM2 for OTs. The unit shall be UL Listed (UL-1995)

[Make - As per APPROVED MAKES]

b) SITC of UVC EMITTER for the above AHU's for prevention of fungus in the chilled water cooling coils. The minimum UV intensity in the coils shall be between 600 to 700 UW-SEC/CM2 for Ots. The unit shall be UL Listed (UL-1995)

[Make - As per APPROVED MAKES]

SUB-HEAD H - CHILLED WATER PIPING SECTION

[Make - As per APPROVED MAKES]

Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with following closed cell elastometric nitrile rubber of minimum 45 Kg / m3 density, thermal conductivity 0.037 W/MK or better at 20 deg mean 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 150 mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150 mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35 mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above.

250 mm dia. (32 mm thick insulation)

200 mm dia. (32 mm thick insulation)

150 mm dia. (32 mm thick insulation)

125 mm dia. (32 mm thick insulation)

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)

SUB-HEAD H - CHILLED WATER PIPING VALVES & FITTINGS [Make - As per APPROVED MAKES]

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.

Motorised Butterfly Valve

BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water/ hot heater circulation as specified

200 mm dia.

100 mm dia.

80 mm dia.

65 mm dia.

50 mm dia.

40 mm dia.

BALANCING VALVE WITH BUILT IN MEASURING FACILITY with C I 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.

250 mm dia

200 mm dia

100 mm dia.

80 mm dia.

65 mm dia

50 mm dia.

40 mm dia

NON - RETURN VALVE with duel plate of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled / hot water circulation including insulation as specified.

250 mm dia Each

200 mm dia Each

Ball Valve

" Omitted"

" Omitted"

" Omitted"

Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as specified.

250 mm dia

200 mm dia

(E) POT STRANER MS

S&F of following Water line POT-Strainer as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements: Y-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 10 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

a) 300 mm NB

Double Bellow (Expansion Joint )

Auto Air Vent with Ball Valve

S&F of water Flow switch

Providing and fixing in position the industrial type pressure gauges with gun metal / brass valves complete as required

Providing & fixing in position the mercury in glass industrial type thermometres.

SUB - HEAD I - CONDENSER WATER PIPING SECTION [Make - As per APPROVED MAKES]

Supplying, fixing, testing and commissioning of condenser water pipes of following sizes of MS ‘C’ class along with necessary clamps, vibration isolators and fittings such as bends,tees etc..but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect.Note:-The Pipes size 150 mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150 mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35 mm 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.

350 mm dia.

300 mm dia.

250 mm dia

200 mm dia.

150 mm dia.

125 mm dia.

100 mm dia.

50 mm dia.

Supplying, fixing, testing and commissioning of following valves, gauges and strainers for condenser water circulation as per specifications. [Make - As per APPROVED MAKES]

Supplying, fixing, testing and commissioning of following sizes Motorized Butterfly Valve with CI Body, SS Disc, O - ring andminimum PN-16 pressure rating, conforming to BS 5155, IS 13095, with IP-55 actuator, capable of accepting upto 10V DC , and upto 20 mA electric signal and providing similar transduced feedback output to control system as required.

350 mm dia.

300 mm dia.

250 mm dia.

200 mm dia.

BUTTERFLY VALVE (MANUAL) with CI body SS disc nitrilen sheet & O - ring & PN 16 pressure rating as specified.

250 mm dia.

200 mm dia.

100 mm dia.

80 mm dia.

65 mm dia.

50 mm dia.

40 mm dia.

NON - RETURN VALVE with dual plate of CI body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating as specified.

250 mm dia.

200 mm dia.

Supply, Installation, Testing and Commissioning of following sizes electronic, self-balancing, pressure independent type dynamic balancing valve with integrated 2 way modulating control valve in a single body. The actuator shall be capable of accepting upto 10V DC and upto 20 mA electric signal and shall provide similar transduced feedback output to control system. Maximum close off pressure shall not be less than 6 Bar for upto 50 mm valves and 7 Bar for 65 mm & above. Valves should have pressure rating of 25 Bar minimum.

80 mm dia.

65 mm dia.

50 mm dia.

40 mm dia.

32 mm dia.

Y-Strainer

Auto Air Vent Valve with Ball Valve

Ball Valve

Double Bellow (Expansion Joint )

SUB - HEAD I - DUCT WORKS INCLD ALL ACESSORIES [Materials Make - As per APPROVED MAKES]

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.

Supply, installation, testing and commissioning of Motorized (ON-OFF Type) duct mounted GI volume control damper with enthalpy sensor and necessary control wire (minimum 1.5 sq. mm) for integration within AHU room

Damper

Actuator

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications.

Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete as required.

Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminium with aluminium volume control dampers with anti smudge ring & removable core.

Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminium without volume control dampers with anti smudge ring & removable core.

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

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.

Fire damper

Actuator

Supplying & fixing of acoustic insulation inside ducting with 10mm thick open cell nitrile rubber (class O) of density 140Kg/cu.m-160 Kg/Cum insulation with bolts nuts GI washers etc as required.

Supply & fixing of underdeck insulation with 50mm thick TF quality Expanded polysterene slab.

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.

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.

a) 4.5 kw in 3 Banks

S & F of HEPA Filter with efficiency of 99.99% down to 0.3 microns of size 600 mm x 600 mm x 150 mm (Thk) as per actual site requirement for OT area and to accommodate inside the laminar bench chamber as per approved drawing.

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.

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:

a) 50 mm NB

b) 40 mm NB

Supply and installation of 1500 L HDPE Expansion 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

SITC of Inline fan for OT exhaust as per actual site requirement for successful performance.

a) Exhaust Fan of Capacity - 400 CFM 10 mm WC

b) Exhaust Fan of Capacity - 500 CFM 10 mm WC

ELECTRICAL PANEL

DG DISTRIBUTION PANEL FOR CHILLER

SITC of floor mounted Indoor type extensible cubical 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

1 no. of 25 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.[ ACBs will be Legrand/Simens Make, MCCBs will be of Legrand Make. All the other accessories will be Legrand /Simens/L&T Make and as per manufacurers standard ].

BUSBAR

Extensible bus bar chamber 3 phase, 4 wire, 440 volts, 50 c/s consisting of high conductivity Aluminium bus bars of capacity 1600 Amps for incoming / outgoing feeder with PVC coloured sleeves with DMC / SMC busbar supports -2 Set

INCOMER

Air Circuit Breaker, Horizontal Manual Draw Out type, 4 pole, 1250 Amps, 415 volts, 50 kA for 1 sec rating manually operated with interlocked doors, automatic safety shutters, mechanical ON / OFF and service / test / isolated position indicators and frame earthing contact, with microprocessor release for overcurrent, earth fault and short circuit protection, 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. -2 Set

BUSCOUPLER

Air Circuit Breaker, Horizontal Manual Draw Out type, 4 pole, 1250 Amps, 415 volts, 50 kA (Ics) manually operated with interlocked doors, automatic safety shutters, mechanical ON / OFF and service / test / isolated position indicators and frame earthing contact, 1 no. independent manual spring closing mechanism, 1 no. shunt trip coil 220 Volts AC, conforming to IS 13947 - 2 - 1993 as amended upto date - 1 set

OUTGOING [ SECTION - I ]

(i) 400 Amps, 415 volts, 4 Pole MCCB [50 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handle - 2 Nos.

(ii)100 Amps, 415 volts, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handles -6 Nos

(iii)S&F 415V Fully Automatic Star-Delta stater of different rating incl necessary connection to be fixed on angle iron frame incl painting on wall as per direction of EIC as follows:-

(a) For Chilled Water Primary Pump & Cooling Tower (Make:- L&T, Cat No SS94366, Relay Range 22 - 33A) ---- 3 Nos

(b) For Chilled Water Secondary Pump & Condencer Water Pump (Make:- L&T, Cat No SS94022, Relay Range 45 - 75A) ----- 3 nos

OUTGOING [ SECTION - II ]

(i) 400 Amps, 415 volts, 4 Pole MCCB [50 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handle - 2 Nos.

(ii)100 Amps, 415 volts, 4 Pole MCCB [36 kA (Ics)] breaking capacity, with microprocessor release and rotary operating handles -6 Nos

(iii)S&F 415V Fully Automatic Star-Delta stater of different rating incl necessary connection to be fixed on angle iron frame incl painting on wall as per direction of EIC as follows:-

(a) For Chilled Water Primary Pump & Cooling Tower (Make:- L&T, Cat No SS94366, Relay Range 22 - 33A) ---- 3 Nos

(b) For Chilled Water Secondary Pump & Condencer Water Pump (Make:- L&T, Cat No SS94022, Relay Range 45 - 75A) ----- 3 nos

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

(iii) Digital Multifunction Meter class 0.5s ( Amp, Volt, KWH, PF ) with RS-485 port - 15 nos

(iv) Electrical through advance contacts in ACBs and mechanical interlocking with 3 castles and 2 keys for 2 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 with RS485 - Ethernet Converter (Minimum 2 nos.), Ethernet Switch and there should be one RJ45 / 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 & MCCB and 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] It shall be possible to view metering and control Breakers through local Computers/Laptop. [3] The system communication architecture should be plug and play and should not involve extensive programming etc for commissioning

VFD Bypass AHU 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. (For OT area).

a) MCCB suitable rating as incomer & outgoing per the ratings of AHU motor and Heater

b) DOL / SD starter as per HP ratings

c) VFD Bypass Starter as per HP ratings

d) Terminal block for power distribution.

e) Contactor, auxilary contractor, over load relay, with inbuilt single phasing protection.

f) Phase indicating lights and indicating light for ON , OFF & TRIP status.

h) Wiring for microswitch for stopping the fan when fire damper closes.

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

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

(k) One no DC Relay for sensing Fire Detection system.

(l) Danger Board.

VFD Bypass AHU Starter Panel

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. (For other areas).

a) MCCB suitable rating as incomer & outgoing per the ratings of AHU motor and Heater

b) DOL / SD starter as per HP ratings

c) VFD Bypass Starter as per HP ratings

d) Terminal block for power distribution.

e) Contactor, auxilary contractor, over load relay, with inbuilt single phasing protection.

f) Phase indicating lights and indicating light for ON , OFF & TRIP status.

h) Wiring for microswitch for stopping the fan when fire damper closes.

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

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

(k) One no DC Relay for sensing Fire Detection system.

(l) Danger Board.

Supplying 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. [ Make Nicco / Fort Gloster/Polycab/Havells]

4Core 240 Sq. mm

3Core 16 Sq. mm

3Core 10 Sq. mm

3Core 6 Sq. mm

Supplying of one number 1.1 KV Grade XLPE insulated Cu cable

7 core 2.5 sq.mm

3 core 2.5 sq.mm

Laying of cable as below, through existing cable tray/surface on wall as per direction of the EIC.

4Core 240 Sq. mm

3Core 16 Sq. mm

3Core 10 Sq. mm

3Core 6 Sq. mm

7 core 2.5 sq.mm

3 core 2.5 sq.mm

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below including finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials

4Core 240 Sq. mm

3Core 16 Sq. mm

3Core 10 Sq. mm

3Core 6 Sq. mm

7 core 2.5 sq.mm

3 core 2.5 sq.mm

Supplying & fixing earth busbar of galvanized (Hot Dip) MS flat 25 mm x 6 mm on wall as per GS

Connecting the equipments to earth busbar including S & F Solid GI (Hot Dip) wire of size as below as per GS

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 S&F 25x25x3mm angle iron support

Supply & Fixing of perforated GI cable tray bend with perforation not more than 17.5% suspended from ceiling with two nos. suspenders & 25x25x3mm angle iron for supporting the cross member 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.

Supply & Fixing of perforated GI cable tray tee with perforation not more than 17.5% suspended from ceiling with two nos. suspenders & 25x25x3mm angle iron for supporting the cross member 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.

Supply & Fixing of perforated GI cable tray cross member with perforation not more than 17.5% suspended from ceiling with two nos. suspenders & 25x25x3mm angle iron for supporting the cross member 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.

Supply & Fixing of perforated GI cable tray reducer with perforation not more than 17.5% suspended from ceiling with two nos. suspenders & 25x25x3mm angle iron for supporting the reducer 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.

Charges for dismanteling the existing 16.5 Tr AHU with outdoor unit incl. refrigrant pipe line out door structure & control panel etc and shifting the dismantled material from site as per direction of EIC. (3 nos unit at 2nd floor & 3 nos units at 3rd floor).

Charges for minor civil works and cutting the wall at different floors for entry of duct and chilled water pipe including mending good the damages as per instruction of EIC

Terms and condition

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.

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.

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

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

VOLTAS LIMITED

Ingersoll Rand Climate Solutions Pvt Ltd