WBPWD/EE-II/NKHED/NIQ-14/2nd Call /20-21

Amount

AIR-COOLED SCROOL CHILLING UNIT (2W + 1S) Supplying, Installation, Testing and Commissioning of Aircooled Scroll Chiller of 22 TR nominal capacity unit having 2 nos of hermetically sealed scroll compressor suitable to run with R407C refrigerant.The chiller should equiped with soft starter. Chilled water in temperature 12deg C & outlet temperature 7deg C. (Make - Bluestar / Voltas / Trane).

RUBBER BELLOW Supply and fixing of Flexible Below PN-10 of 80 mm diameter as per site requirement (Make Resistoflex / Easyflex/ Cori).

CHILLED WATER PUMP ( 2W + 1S ) SITC of End Suction Back Pull Out type chilled water recirculating pump with CI casing, Bronze Impeller, Sleeve gland packing along with TEFC pump motor, 1450 RPM for 60 usgpm flow rate under a suitable head complete mounted and aligned on a common MS base and, drain assembly, vibration isolators complete in all respects. (Make - KBL/ Grundfos/ KSB).

CEILING SUSPENDED AIR HANDLING UNIT SITC of Following Ceiling Suspended Double Skinned Air Handling Units (50 mm TSP) each consisting of the following and having 25+2 mm thick PUF insulated extruded Aluminium section frame construction: i) Fan Section DIDW forward curve imported fan (MK.Krugar/Nikotra).The AHU shall consist of 1 no. Centrifugal Blower with 2 nos. (1W + 1S) TEFC Squirell cage induction motor. ii) Coil Section with 6 Row deep (0.5 mm thick) with 12 FPI Chilled Water Cooling Coils with washable Pre-filters with efficiency 90% down to 10 microns iii) TEFC sq,Cage Induction Motor. iv) Sandwiched SS Drain Pan. The AHU shall be complete with VFD.The VFD shall be of IP20 rating. (AHU MAKE - EDGETECH / ZECO / TRANE) (VFD MAKE - ABB / DANFOSS / BLUESTAR). a) 7500 CFM Nominal Capacity, 50 MM TSP ( AHU must be comprising of standby motor).

Fan Coil Unit Supply and installation of Single skin fan coil unit with 3 row deep chilled water cooling coil complete with all necessary valve and fittings such as ball valve, ball valve with strainer and control valve. 1.0 TR, 400 CFM

1.5 TR, 600 CFM

2.0 TR, 800 CFM

CHILLED WATER PIPING (MS HVY CLASS) Supply, Design, fabrication and erection of MS heavy class ERW pipe for CHILLED WATER CIRCUIT in accordance to IS-1239 standards including providing necessary qunatities of flanges, fittings, bends, elbows, gasket, nut-bolts etc. as follows: (Make - Jindal / TATA). a) 80 NB

Supply and installation uPVC pipe for Drain 25mm Dia

32mm Dia

WATER LINE VALVES, STRAINERS & ACCESSORIES: SITC of the following Water line Valves, Stariners and accessories as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements:

a) BUTTERFLY VALVE: S&F Following Water line Butterfly-Valve as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements: Butterfly valve shall be of PN 16 rating as per standard. Valves of sizes 32 mm and above shall be made out of Cast Iron body, SG iron disc with Nylon coated, SS-431 Stem, EPDM integrally moulded liner with hand lever/Gear Box. Valves up to 150 mm NB shall be with detachable hand lever operation whereas valves above 150 mm NB shall have warm gear operation. (Make - Advance / C & R / Audco /Honeywell). i) 65 MM

b) BALANCING VALVE: S&F Following Water line Balancing - Valve as per following categories, sizes and natities complete with providing flanges, nut-bolts, gasket and welding arrangements: The valves shall be designed for PN 16 rating as per standard. The valves of sizes 32 mm to 65mm dia. shall be of gun metal / cast iron construction with screwed ends angular design hand wheel with locking facility. Whereas valves of sizes 80mm and above shall be of cast iron construction with internal parts of SS 410 and EPDM / nitrile seat with flanged ends. The test cocks should be long enough to protrude out of valve insulation (Make - Advance / C & R / Audco /Honeywell). i) 65MM

Supply and installation of PN-16 pressure rated Ball Valve 20mm NB

NON-RETURN VALVE S&F Following Water line Non Return - Valve as per following categories, sizes and qunatities complete with providing flanges, nut-bolts, gasket and welding arrangements: The dual plate check valves shall be used for horizontal / vertical run of pipes & shall conform to PN 16 rating as per standard. The valves shall have cast iron body, and SS 410 plates, SS 410 Shaft & Nitrile Seat. (Make - Advance / C & R / Audco /Honeywell ). a) 65 MM

Y-STRAINER MS Following Water line Y-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 (Make - Emerald / Sant / D.S Engineering). a) 65 MM

3-WAY MIXING VALVE WITH ACTUATOR, LINKAGE & THERMOSTAT The three 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 with linear flow characteristics. 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. (Make- Honeywell / Belimo / Danfoss). a) 40MM

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. (Make - H Guru / Waree).

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. (Make - H Guru / Waree).

SITC of Water Flow Switch (Make - Honeywell).

SITC of Auto Air Vent (Make - Honeywell / Anergy).

Supply & installation of of binder test point.

Supply and installation of 500 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 50 mm thick Expanded Polystyrene covered with GI Chicken wire mesh, vapour barrier and Al Cladding (26 SWG) cover.

DUCT WORK:- GI DUCT: Supply & fixing of Class - VIII grade (120 GSM) supply/return air duct along with pre fabricated plenum for supply and return air with necessary supports, flanges etc. as required and as per IS 655 and IS-277 standards of following gauges. (Make - Sail / Tata). a) 24 SWG thick.

b) 22 SWG thick.

Supply & Fixing of Aluminium powder coated supply air diffusers/grills with volume control damper (Make - Systemair / Air Enterprise / Premire / Caryaire / Airmaster).

Supply & Fixing of Aluminium powder coated return air diffusers/ grilles without volume control damper ( Make - Systemair / Air Enterprise / Premire / Caryaire / Airmaster).

Supply and installation of Volume control Damper

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.(Make: Ravi Star /Dvnacraft/Caryaire) Actuator (Make: Jhonson/Honeywell/Siemens/Belemo)

Supply & Fixing of Fresh air package with cowl, bird net arragements. (Make - Systemaire/ Air Master / Air Enterprise/ Premier/ Caryaire).

INSULATION Work Supply and installation of 50MM thick TF Quality EPS pipe section of density not less than 16kg/m3 finished with outer layer of Sand cement plaster. a) 80mm Dia

b) 65mm Dia

c) 50 mm Dia

d) 40 mm Dia

e) 25 mm Dia

Supply and installation of 9mm thick Class-O Fire rated nitrile rubber tube insulation for Drain Pipe 9mm Thick, 25mm Dia

9mm Thick, 32mm Dia

supply and installation of 13mm Thick Aluminium foil Faced Class O fire rated Nitrile rubber Thermal insulation

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. (Make - Armacell / K Flex / A-Flex).

S & Installation outdoor type both sided door feeder piller box on bricks foundation with cement plastering and net cement finish on a height of 18” from Gr. Level. The piller box will be fabricated from 3 mm thick sheet steel for body portion and 5mm thick for top portion (roof) . The size of the piller box will be 1800(H) x 1800(W) x 750(D) mm with inner enclosure [size 1400(H) x 1500(W) x 400(D) mm] and base channel (size:- 75mm x 40mm x 6mm ) & making interconnection by suitable size copper flat / wire. Double Locking arrangement will be made with lock and duplicate keys (7 lever godrej, navatal lock) with door handle. Two numbers lighting arrangement with control switch to be made inside the box as working light and 1 no. 250V., 5/15 combined plug socket & switch. Painting will be made by synthetic enamelled paint after 2 coats of red led primer. Bricks foundation will be cement, plastering and neat cement finish. The feeder piller box comprising the followings:-

(A) INCOMER:- a) 415V., 250 Amp. 36 KA 4-Pole MCCB with microprocessor release (Relese range : 100 - 250A) , extended rotary handle and both side spreader terminals [Make - L&T / Legrand / Schneider] - 1 No. (B) BUSBAR CHAMBER:- S&F 380 Amp capacity 99.9% - 99.5% electrolytic tinned copper 4 bar bus bar [size of flat 4 x 40 mm x 6 mm] mounted on non-hygroscopic porcelain insulator / hylam sheet having sufficient di-electric strength duly wrapped with colour PVC tapes (Red, yellow, blue & black) for phases & neutral identification & all connection made with required size cu bars - 1set.

(C) OUTGOING:- a) 415V., 200 Amp. 36 KA 4-Pole MCCB with microprocessor release (Relese range : 40 - 100A) , extended rotary handle and both side spreader terminals [Make - L&T / Legrand / Schneider] - 3 Nos (2W + 1S). b) 415V 32A., 4P MCB in SS enclosure [Make - L&T / Legrand / Schneider] - 3 Nos (2W + 1S). c) 415V., DOL stater with relay range 13 - 22A [Make - L&T / Legrand / Schneider] - 3 Nos (2W + 1S).

(D) METERING:- (a) 500V., C.T. Coil (C.T. Ratio-250/5A.) - 3 Nos. (b) LED Indicator lamp (Siemens) - 03 nos. (c) S & F 3 ph Commmunicable Multifunction metering (KWH, KW, KVA, V, I, F, PF) with integrated RS 485 port for MODBUS RTU Class 1 accuracy, screw terminals AC/DC wide voltage power supply 110…240V AC ±10%, 50/60Hz, 110…250V DC ±10% (Make :- Schneider/ Siemens/ L&T/ ABB) - 02 nos. - 1 no. (d) Danger Board - 01 no.

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). (Make - EAP/ Genpower/ CPRI Approved Vendor) a) MCCB of suitable rating as incomer & MCBs as outgoing as 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 preventer. f) Phase indicating lights and indicating light for ON , OFF & TRIP status. g) Wiring for microswitch for stopping the fan when fire damper closes.

POWER AND CONTROL CABLING: Supply & Laying of 1.1 KV Gr. PVC/XLPE insulated, PVC- Sheathed cable, Aluminium armoured for Power cables incl. to laid on wall surface by suitable clamping,proper glanding & finishing the cable ends with solderless sockets for following cables & Copper armoured for Control cable Make - Havells /Nicco /CCI/Gloster /KEI a) 4 Core 50 sqmm XLPE Ar/AI Cable

b) 3 Core 6 sqmm XLPE Ar/AI Cable

c) 3 Core 2.5 sqmm XLPE unarmoured Cu Cable

Supply & fixing of Glanding & finishing the cable ends with solderless sockets for following cables & Copper armoured for Control cable. a) 4 Core 50 sqmm XLPE Ar/AI Cable

b) 3 Core 6 sqmm XLPE Ar/AI Cable

c) 3 Core 2.5 sqmm XLPE unarmoured Cu Cable

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 a) 200 mm wide

b) 100 mm wide

Connecting the equipments to earth busbar including S & F GI (Hot Dip) wire of 8 SWG 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

Connecting the equipments body to earth busbar including S & F 25 mm x 6 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

Dismentling old split Ac machines and diposite to the sectional store as per direction of EIC

Dismentling old ducting and diposite to the sectional store as per direction of EIC

Hiring charges for scaffolding arrangement including dismantling at the end of work and carriage, for LC installation, per storey of building per vertical run

Special Terms & Conditions :- i) The Agency must procure the materials from the Manufacturer / OEM or from their authorized. Sales channel so that the standard warranty / Support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them. ii) Documents that authenticates such procurement form 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. iii) If any refurbished material is supplied and installed, panel action will be taken as per existing rules. iv) After completation of work Agency Supervisor has to certify fittness af all Electrical Installations done under this Tender. This is mandatory before peparations of Final Bill.

(Rate should be quotated including all taxes and duties)

BLUE STAR LIMITED

VOLTAS LIMITED