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| Sl. No. | Item Description |
| 1 | WATER-COOLED SCROLL TYPE CHILLER UNIT (2W + 1S)Design , Supply, Installation, Testing & Commissioning of water cooled scroll chiller units having minimumcapacity not less than 50TR water cooled Inverter scroll Chilling Machines fitted with hermetically sealed compressors, multi circuit Dx chiller,water cooled S&T condenser, Microprocessor based control panel,suitable for R-407 C or any other non-CFC/ non-HCFC gas Refrigerant, Shell & Tube Insulated Evaporator, Expansion Device, suitable capacity control mechanism actual Cooling capacity on following Operation Parametres min 3 star rating chilling units Complete as per specifications and design data mentioned in Annexure - A and detailed layout plan of ground and first floor of building to be air conditioned (Make : BLUE STAR / DAIKIN / CARRIER/VOLTAS)SPECIFICATIONSMode of operation: Auto/ManualSingle Phasing ProtectionCompressor Restart Protection10- Sec Time Delay between SystemShort Circuit Protection 5 deg C - Anti Freeze ProtectionDisplay on Micro control indicating compressor on, Crankcase Heater ON/OffEntering / Leaving water Temp with digital identificationRefrigerant: R-407c or any other non-CFC/ non-HCFC gas, Actual capacity as per Ambient conditionScroll Chiller Unit shall be suitable for 415 V + 10%, 50 HZ , 3 Phase Ac Supply.Chilled water Inlet Temp. 12.17˚ C ,Chilled water outlet Temp. 6.67˚CFouling Factor: 0.0001 MKSCondenser water Inlet Temp. 36.2 ˚C Condenser water outlet Temp. 32.4˚CMaximum allowable IKW/TR @100% load : 1.55 |
| 2 | Item no 1.00 continued.../ Scope of Supply(i) 1set.- Scrollcompressor hermetic complete with suitable capacity squirell cage induction motor with class \"F\" insulation suitable for operation on 415 + 10% volts Inputs, 50Hz, A.C. supply andautomatic capacity control, safety switches, forced feed lubrication system etc. as per OEM specifications.(ii) 1No. Close transition type automatic star-delta starter suitable for compressor motor complete with ammeter with CTs, over load protection, under voltage protection, protection against phase reversal & independent single phase preventors etc. complete as required.(iii) 01 Set - Lubrication device consisting of automatic electric oil pump, oil cooler,oil strainer,automatic pressure regulating valve, oil heater, oil heater thermal switch etc. as per OEM specifications.(iv) 01 Set. - Matching Water Cooled condenser having Copper tube with Mechanically bonded aluminium fins.(v) 01No. - Matching DX type chiller for Chiller units (vi) 01 Lot- Refrigerant piping fittings, valves and accessories to interconnect compressor, condenser, chiller and expansion valve.(vii) 01 Set- Microprocessor based control panel complete with all safeties, controls and LCD display as per OEM specifications.(viii) 01 Lot- Refrigerant line accessories comprising of safety valves, angle valve, liquid line indications.(ix) 01 Lot- Water flow switches at inlet and outlet of chiller. Water drain and air purge valves whenever required.(x )01 Lot- Suction line and chiller insulation with minimum 19mm thick polyvinyl nitril rubber insulation complete as required. |
| 3 | Item no 1.00 continued.../ (xi) Frame work for mounting the above condenser, chiller compressor and motor with base plate complete with anti vibration pads/springsas per OEM specifications(xii)Initial / first charge of refrigerant gas and compressor oil.(xiii) 1 No. Chilled water flow Switch of suitable size and capacity (xiv) PCC cement concrete foundation for the Chiller unitas per OEM specificationsNote : - Complete Chiller system shall comprises of not less than 100TR capacity ( 02Nos. Working Each 50 TR) + 01 Standby 50% capacity of chiller unit |
| 4 | Item no 1.00 continued.../Notes(i) The rate shall be inclusive of Designing of Complete AC plant. Contrtactor shall submit the detailed Design &complete working drawing of AC plant including heat load calculationa, plant layout, Air distribution network layout, electrical panel details dully vetted byIIT / NIT(Relevant department).Certificate of sound design shall be on official letter pad of IIT / NIT. Complete set of design of drawing shall be submitted forapproval of Accepting Officer within 01 Months from date of commencement of work as per Work order No. 1(ii) The completion of the work shall be issued in phased manner. Provisional completion of the work shall be issuedAfter physical execution of the work at site complete in all respect/ phase I test as specified.(iii) ThePhase -II ( summer / mansoon / winter ) Tests shall be carried out by Sr IEM HQ CE (AF) Prayagraj Zone / Rep of Accepting Officer. (vii) TheDefect liability period of the contract shall be start as per condition 46 of IAFW 2249 General condition of contract (24 Months afterthe provisional completion ofphase-I tests) |
| 5 | Chilled Water Pump SetSupply, installation, testing & commissioning of centrifugal pump sets, factory assembled & tested for rated efficiency complete with motor & common base frame, coupling guard,aluminium cladded insulation etc. for re-circulationof chilled water for the air conditioning system ( CHILLED WATER PUMPSET ) . The pumps shall be suitable for operation on 415 ± 10% Volts, 50 Hz, 3 Phase AC power supply complete all as specified and directed by Engineer-in-charge. Make ( 01 NOS WORKING + 01 NO- STANDBY)The pump characteristic of centrifugal pump set shall be as follows:a. Water quantitymin 300US GPMb. Static Head 30 Mc. Impeller Bronze.(i) 1 No.- mono block type pump(ii) 1 No. - Suitable HP TEFC squirell cage EE4 induction motor with class \"F\" insulation 2900 rpm synchronous speed, operating on 415+ 10% volts, 3 phase, 50 Hz A.C. supply.(iii) Lot-insulation of pump of 13 mm thick with aluminium foil faced closed cell chemically crossed linked XPE foam material.(iv) 2 Nos. -100 mm dia dial type pressure gauges.(v) Lot- Mounting frame with Anti vibration pads.(vi) Lot-PCC cement concrete foundation for the pump unitNote: Plant shall be design for overall capacity for 1 working & 1 standby---Each of 100% capacity. |
| 6 | Condenser Water Pump SetSupply, installation, testing & commissioning of centrifugal pump sets factory assembled & tested for rated efficiency complete with TEFC motor mounted oncommon base frame, coupling guard,etc. for re-circulation of condensed waterfrom cooling tower to condenserfor the air conditioning system ( CONDENSER WATER PUMPSET ). The pumps shall be suitable for operation on 415 ± 10% Volts, 50 Hz, 3 Phase AC power supply all as specified and directed by Engineer-in-charge. ( 01 NOS WORKING + 01 NO- STANDBY)The pump characteristic of centrifugal pump set shall be as follows:a. Water quantitymin 400US GPMb. Static Head 22 Mc. ImpellerBronze(i) 1 No.- mono block type pump(ii)1 No. - Suitable HP TEFC squirell cage EE4 induction motor with class \"F\" insulation 2900 rpm synchronous speed, operating on 415+ 10% volts, 3 phase, 50 Hz A.C. supply.(iii) 2 Nos. -100 mm dia dial type pressure gauges.(iv) Lot- Mounting frame with Anti vibration pads.(v) Lot-PCC cement concrete foundation for the pump unitNote: Plant shall be design for overall capacity for 1 working & 1 standby---Each of 100% capacity. |
| 7 | Hot Water Pump SetSupply, installation, testing & commissioning of centrifugal pump sets, factory assembled & tested for rated efficiency complete with motor & common base frame, coupling guard,aluminium cladded insulation etc. for re-circulationof chilled water for the air conditioning system ( HOT WATER GENERATOR ) . The pumps shall be suitable for operation on 415 ± 10% Volts, 50 Hz, 3 Phase AC power supply complete all as specified and directed by Engineer-in-charge. Make ( 01 NO WORKING + 01 NO- STANDBY)The pump characteristic of centrifugal pump set shall be as follows:a. Water quantity120US GPMb. Static Head 30 Mc. Impeller Bronze. (i) 1 No.- mono block type pump(ii) 1 No. - Suitable HP TEFC squirell cage EE4 induction motor with class \"F\" insulation 2900 rpm synchronous speed, operating on 415+ 10% volts, 3 phase, 50 Hz A.C. supply.(iii) Lot-insulation of pump of 13 mm thick with aluminium foil faced closed cell chemically crossed linked XPE foam material.(iv) 2 Nos. -100 mm dia dial type pressure gauges.(v) Lot- Mounting frame with Anti vibration pads.(vi) Lot-PCC cement concrete foundation for the pump unitNote: Plant shall be design for overall capacity for 1 working & 1 standby---Each of 100% capacity. |
| 8 | AIR HANDLING UNITSSupply, installation, testing and commissioning of not less than 20000 CFM @ 750 Pascal total static pressure double-skin type horizontal, floor-mounted, top / side discharge air handling unit having thermal break profile complete with air-tight casing using gaskets and self-adhesive tapes 0.8 mm thick pre-coated outer skin and 0.6 mm thick GI inner skin, 45±2 mm thick double skin panel with pressure injected CFC/HCFC free PUF having \"k\" value of 0.02 W/°C/m & density 40 kg/m³, AMCA certified energy efficient plug fan(s) with backward curved impellers for high static pressure mounted on aluminium extruded side rail base frame with VFD, EU4 pre-filter and EU7 fine filter (mounted on a common frame), combination of 6/8 rows deep chilled water coil(s), suitable high efficiency (IE3) TEFC squirrel cage flame proof induction motor, PVC/nylon hinges & handles, view port and marine lamp, limit switch, SS-304 drain pan, vibration isolators/rubber pads (minimum 1\" thick) inspection windows / doors, mixing box and supply / return / fresh air openings fitted with aluminium volume control dampers, thermostat & humidistate,etc. complete all as specified and directed by the engineer-in-charge.The AHU shall comprise of the following: [a] Suitable SISW backward curved plug fan, dynamically balanced, with AMCA certified blower[b] Flame proof foot mounted (B3 construction) 3-Phase squirrel case induction motor 415 V ± 10%, 50 Hz ± 5 %, combined variation ±10%, insulation class F with temperature rise limited to class B, degree of protection IP 55, duty 51, ambient temperature 45 ºC, conforming to IS 12615: 2011, IS/IEC 60079-1: 2007, IS 3682: 1966 gas group II A, II B[c] Flexible connection made with air tight ASTM E84 (Class I) polyester fire retardant cloth riveted on periphery of cloth with extruded aluminium \"L\" angle flange as per fan size at discharge duct/plenum [d] Washable type of \"EU4\" filter (pre-filter, efficiency 90% down to 10 micron) and \"EU7\" filters (Micro Vee filters, efficiency 99% down to 3 micron) |
| 9 | Item no 5.00 continued.../ [e] 6 / 8 rows deep chilled water cooling coil section with 0.15 mm thick aluminium fins and 0.36 mm diameter copper tubes tested on 21 kg/cm²,with SS sandwiched drain tray, etc.(a 350 mm service section between eliminator and heater is required)[f] Condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness [g] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartmentalized construction with incoming and outgoing feeders for AHU motor, valve actuator motor, fire damper actuator motor, etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc.[h] Variable Frequency Drive (VFD) with IP 55 enclosures and mains disconnect switch and comprising of the following complete with accessories of Danfoss, Schneider, L & T, ABB or Fuji make.(i) Built in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the Variable Frequency Drive. (ii) Built in EMC filters (electro magnetic compatibility filters) for restriction of conducted emissions to comply with IEC61800:3 (un restricted distribution) :2004 Category C 1 (50 meter). (iii) Three feedback PID controller having capability to simultaneously accept 3 feedback signals from temperature sensors or pressure sensors for process optimization and accordingly control the speed of the AHUs or pumps. (iv) Integral graphical keypad.NOTES:- [i] The rate of VFD and other necessary control equipment is deemed included in the quoted rate. [ii] Necessary civil work i.e PCC, RCC excavation, returning filling etc as per OEM recommandation shall be included in the quoted rate for placing of AHU and mounting of variable frequency drive (VFD) panel, construction of opening(s) for fresh/exhaust air etc. shall be covered in the scope of work. |
| 10 | Supply and fix wall mounted Fan coil unit not less than 1500 CFM (as per detailed design calculation) with casing filter box complete withsynthetic fiber filters, copper coolings coil,fans, 3- speedmotor flexible connection, brass valve for suction / discharge line for chilled / hot water line, including hangingarrangment on existing wall and drain pipe upto required length to drain out condensate water to outside of the building, making electric connection to the nearest electric point with copper conductor cable of required length in flexible PVC conduit, temperature and humidity control panel / user access panel to set the the temperature and humidity complete all as per detailed design specification and directed by Engr-in-charge. |
| 11 | Electric Hot Water GeneratorSupply, installation, Testing & Commissioning ofElectrically operated HOT WATER GENERATOR of capacity not less than 120KW made up of 8 mm MS sheet and dishend made of 10 mm MS sheet stainless steel lining with heaters arranged in banks and auto controller and Thermostat so that required quantity of hot water is generated at 50degree Celcius with nominal variation including 100 mm thick resinbond fiber glass insulation of 24 kg/CUM density finished with 1.25 mm thick aluminium sheet cladding including necessary electrical control panel with automatic control panel. HWG shall be provided with inlet and outlet water connections complete with pressure release valve, low level cutout, Auto-vent sight -glass all as per specifications as required at site. The HWG shall confirms to protection IP-52 with IS 2147 includign installation of automatic RH controller to achieve design condition automatically. |
| 12 | Supply, installation, testing and commissioning of floor mounted ultra sonic (Mist) Humidifier capacity 60 LPH made out out of 1.5 mm thick stainless steel sheet 304 grade water storage tank, wall mounted electrical panel constructed in 18 gauge CRC sheet including control wiring from panel to Humidifier, SMPS based power supply, contactor, MCB, Relay card, connectors, on/off switch with indication, auto drain system, Humidity controller for auto/mannual operation of humidifier, control wiring with suitable sensor from ducts outlet complete all as per OEM instruction. Make : Rapid cool, Modle No RM-60 or equivalent. |
| 13 | COOLING TOWERSupply, Installation, testing and commissioning of FRP cooling tower of not less than 125 TR heat rejection capacity with FRP water basin PVC fillings with CTI manufacturer integral louvers and drift eliminators complete with hot water basin either fitted with spray nozzles or having self rotating sprinklers, statically & dynamically balanced axial flow type fan direct driven or driven through reduction gear box with TEFC induction motor, suction screen, make up quick filling arrangement, over flow and drain connections with necessary valves and suitable inspection ladder, access arrangement for cooling lower interior, installed on MS girders (MS-I sections) fixed in masonry foundations with cement concrete footing, second class brick work and cement mortor1:6; all accessories, basin fittings, fan, fan motor suitable for 415 Volt supporting structure, anti vibration mountings etc. complete and with following technical data. (a) Water flow/tower480 USGPM(b) Ent. Water Temp.97 °F(c) Basin water Temp. 90 ˚F |
| 14 | MOTOR CONTROL PANEL FOR AC PLANTSupply, fixing, testing and commissioning factory fabricated cubicle type MV panelconsisting of the 3 phase, 415volt, 35 MVA rupturing capacity made of 2 mm thick CRCA sheet powder coated conforming to IP-54, including interconnection wiring, indicating lamps etc.The cubicle panel shall be free floor standing type, complete with interlocking arrangement & earth bus. The panel shall have compartmentalized arrangement to accommodate one feeder in each compartment. A vertical cable alley of suitable width shall be provided to serve one or two vertical feeder sections. Also the openings between the busbar chamber and the feeder section shall be shrouded with Bakelite/hylam sheet with minimum 3 mm thickness. All the hardware used in fabrication of panel shall be galvanized with zinc passiveness.Incoming :(i) 1 No. 400 Amps, 35 KATPN MCCB\"s with O/C, S/C &E/F release.(ii) 1 NO. 0-500 volts digital voltmeter 96x96 mm with selector switches etc as required(iii) 1 No. 0- 400 amps, digital ammeter 96x96 mm with 3 nos. 400/5 CT\"s ratiowithselector switch(iv) Phase indicating lamps etc with control fuses as required(v) Breaker On/Off trip indication(vi) 1 Set of 600 Amps TPN Al. Bus Bars with colour coded heat shrinkable sleeves(vii) 1 Set digital type 3 phase 400 Amps Electronics KWH meter. (viii) 1 Nos auto phase sequence corrector in-built in panel. |
| 15 | Outgoings :(i)3Nos. 125 amps TPN MCCB, 16 KA , electrically operated as outgoing feeders for 3 Nos. chilling unit compressor motors. (ii) 1No. 200 amps TPN MCCB, 25 KA , electrically operated as outgoing feeders for H.W. generator. (iii) 5 Nos. TP MCB of 40 Amp with DOL starter for motor, over load relay with built in single phasing protection for chilled water, condenser waterpump motor & CT fan motor. The compartment shall contain an indicating lamp with MCB for ‘ON’ status of pump motor.(iv) The panel shall include the following components & accessories.(v) Overload relay and single phase preventor as per the ratings given below, suitable for motor duty and able to withstand fault level of20 KA.(vii) Terminal block for power distribution.(viii) Power Contactor.(ix) Phase indicating lights and indicating light for ON status.(x) 96 mm x 96 mm digital voltmeter and ammeter with selector switches.(xi) Time delay relay for delayed automatic restart of AHU motor (0-180 Sec)(x) Wiring for microswitch for starting / stopping the fan when fire damper closes.(xi) All Cable trays shall be Galvaniged and Conduits shall be MS.(xii) All interlocking wiring shall be done for sequence of operation of AC Plant accessories like AHU, CT Fan Motor, Pump, and chiller unit |
| 16 | MOTOR CONTROL PANEL FOR AHUs/ FAN COIL UNITs :-Supply, fixing, testing and commissioning factory fabricated cubicle type MV panelconsisting of the 3 phase, 415volt, 35 MVA rupturing capacity made of 2 mm thick CRCA sheet powder coated conforming to IP-54, including interconnection wiring, indicating lamps etc.Incoming :(i) 1 No. 100 Amps, 16 KATPN MCCB\"s with O/C, S/C &E/F release.(ii) 1 No 63 Amps, 16 KA TPN MCCB\"s with O/C, S/C & E/F release for operation of Humidifers(iii) 1 NO. 0-500 volts digital voltmeter 96x96 mm with selector switches etc as required(iv) 1 No. 0-100 amps, digital ammeter 96x96 mm with 3 nos. 100/5 CT\"s ratiowithselector switch(v) Phase indicating lamps etc with control fuses as required(vi) Breaker On/Off trip indication(vii) 1 Set of 150 Amps TPN Cu. Bus Bars with colour coded heat shrinkable sleeves. Outgoings :(i) 1No.TP MCB of 32 Amp with DOL starter for AHU motor, over load relay with built in single phasing protection. The compartment shall contain an indicating lamp with MCB for ‘ON’ status of AHU motor.(ii) 2 Nos.TP MCB of 63 Amp with starter for Pre & Re Heater . The compartment shall contain an indicating lamp with MCB for ‘ON’ status of Heaters. |
| 17 | ELECTRICAL CABLESS& F in ground/ in ducts/in pipes/on cable trays of following PVC insulated aluminum/copper conductor armoured cables of 1.1 KV grade confirming to IS complete with cable tray, clamps, saddles etc, including effecting proper connection to the equipment all as required and specified:- |
| 18 | 3.5 core x 95 Sq.mm (aluminum) cable for Chillers & Hot Water Generator. |
| 19 | 3.5 core x 35 Sq.mm (aluminum) cablefor main toAHU Panels and humidifiers. |
| 20 | 3 core x 10 Sq.mm (alumunum) cable for Chilled Water , Condenser pumps, Hot water Pump, CT Fan& AHU Blowers motors |
| 21 | 4 core x 1.5 Sq.mm (copper)Controls cableNotes:- (i) The cost includes cost of of suitable pipes for cable protection at road crossings, protective bricks, sand and excavation.(ii) All exposed cables in trenches/wall/ceiling/roof trusses shall be provided with silicon based fire resistance coating compatible for PVC cables.(iii) All terminations shall be made with proper lugs in the approved manner. |
| 22 | Supply &fixing in possition the powder coated cable trunking of the following sizes for supporting 1100 Volts grade armoured/ unarmoured aluminium/ copper conductor cables, fabrication from angle and perforated 2mm thick M.S. CRCA sheet with expansion coupler plates duly galvanised, corner, elbow etc, with bolts, washer and nuts, knock out holes for cable connections as per approved disign, including mounting arrangment of cable tray to wall / floor with suitable size angle iron/ flat iron / pipe support. The tray shall comply with the specification of NEC (National Electric Codes) and NEMA ( National Electric Manufacturers Association) the steel shall be as per IS: 226and galcanising as per IS: 2629/BS729/ASTM 123. |
| 23 | 300 mm wide x40 mm wall height cable tray |
| 24 | 150 mm wide x 40mm wall height cable tray |
| 25 | 100 mm wide x 40mm wall height cable tray |
| 26 | EARTHINGM & L earthing complete with Galvanized steel earth electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 Mtr deep below normal ground level) with top edge of earth electrode not less then 1.5 Mtr below normal ground level connected to GIstrip of size 25 x 4 mm as earth lead by means of bolts, check nuts and washers of galvanized iron or steel connected to earth test point including earth strip from earth electrode to test point , GI pipe 40mm dia light grade as protection pipe and 20mm dia GI pipe light grade for watering pipe of required length including charcoaldust, common salt, excavation and earth work earth pit with PCC 1:3:6 type CI (using20 mm graded stone aggregate, precast RCC cover 40 mm thickness reinforced with 3 Nos TMT bars 8mm dia both ways, funnel with wire mesh, testing and rest as shown in electrical plate No-3 of SSR-I including complete all as specified and directed.Note:Earthing strip and protection pipe upto 7.5 meter length shall be deemed to be included in the quoted unit rate . Earthing strip beyond 7.5 meter shall be measured and paid separately. (Chiller unit (03), Main Control panel (02), AHU (02x 02), HWG (02), Humidifer (02) |
| 27 | M & L earthing complete with Galvanized steel earth plate electrode 600 x 600 x 6 mm thick buried directly in ground (earth pit not less than 2.25 Mtr deep below normal ground level) with top edge of the plate not less then 1.5 Mtr below normal ground level connected to GI earth lead wire 4 mm diaby means of bolts,nuts, check nuts and washers of galvanized iron or steel incl excavation and earth work,PCC 1:3:6 type C-1 chamber with RCC cover 1:2:4 type B0 40mm thick, reinforced with 8 mm dia TMT bar, 3 Nos both way,15mm dia light grade GI protection pipe, funnel with wire mesh watering GI pipe of 20mm dia light grade and lugs including charcoal dust, common salt,and testing etc. all as shown in electrical plate No.5 of SSR Part I of 2009.Note:Earthing lead and protection pipe upto 7.5 meter length shall be deemed to be included in the quoted unit rate . Earthing strip beyond 7.5 meter shall be measured and paid separately |
| 28 | S & FGI earth strip 25 mm x 4 mmbelow ground, in 40 mm GI pipe wherever required and on surface or in recess for connections etc complete all as specified and directed. |
| 29 | Earth continuity conductor or mainearthing lead fixed to wall on battenor recess or chases or buried inground or drawn in conduit/pipe orfixed to poles or any other indicatedsituation for loop earthing etc. asrequired 4mm dia galvanised iron orsteel wire complete all as specified and directed. |
| 30 | PIPING-CHILLED WATER & HOT WATER SYSTEMSupply, laying, testing and commissioning of the following nominal sizes of chilled water and hot water plumbing pipes MS ‘C’ CLASSas per IS: 1239, with necessary clamps, vibration isolators and fitting like valves, flanges, union etc. but excluding valves, strainers, gauges etc.) cut to required lengths and welded at joints and inclusive of accessories like elbows, tees, reducers, sockets etc. including insulating with 19 mm(for all pipes) and 13mm (for drain pipe) thick closed cell chemically cross linked fire retardant polyethylene foam insulation ofdensity 30 Kg/cum. The thermal conductivity of the material should not exceed 0.035 W/Mk at an average temp of 40 deg C,covered withaluminium sheet cladding 24 gauge complete with application with rubber based adhesive Pidilite SR 998 y, all as specified and repairing damage to building etc.and conforming to the specified specification, |
| 31 | 125 mm dia |
| 32 | 100 mm dia |
| 33 | 80 mm dia |
| 34 | 65 mm dia |
| 35 | 50 mm dia |
| 36 | Supply, installation, testing and commissioning of wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF 8 stainless steel disc, AISI- 410 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125, duly insulatedcomplete all as specified and directed by the engineer-in-charge. Thevalves shall beof integral moulded design and of following sizes |
| 37 | 125 mm dia valves |
| 38 | 100 mm dia Valves |
| 39 | 80 mm dia Valves |
| 40 | 65 mm dia Valves |
| 41 | 50 mm dia Valves |
| 42 | Material& Labour for PN 1.6 rated precise balancing double regulation type cast iron (CI) Balancing valve of having CI Gr. FG-200 body, EPDM / nitrile seal, stainless steel disc, ASTM A-276, Gr SS-410 stem, EPDM / nitrile bush, MS gland nut, ASTM A 276 spindle, CI bonnet, SS304 baancing nut, MS bonnet cap, CI hand wheel, MS plug, stainless steel fastener, flanged end connection, etc., and duly insulated with elastomeric thermal insulation with necessary accessories complete all as specified and directed by the engineer-in-charge.complete all as specified, offollowing sizes:- |
| 43 | 100 mm dia Valves |
| 44 | 80 mm dia Valves |
| 45 | 50 mm dia Valves |
| 46 | Supply, fixing, testing and commissioningin position of ‘Check Valves PB 16, bolted bonnet type, durable fusion bonded epoxy coated,comply with BS 5153/EN 12334, flange drilled , working pressure 16 bar including suitable flange for connection into pipe linecompledte all as specified and directed. |
| 47 | 80 mm dia Valves. |
| 48 | 65 mm dia Valves. |
| 49 | 50 mm dia Valves. |
| 50 | Supply, fixing, testing and commissioningin position Gun metal Gate/glove Valves 32 mm dia heavy duty, butterfly handle including fixing arrnagment in MS pipe by making suitable size hole complete all as specified and directed. |
| 51 | Material& Labour for PN 1.6 rated air vent valve having brass body, cover, adopter, disc assembly & cap, stainless steel strainer, plastic float and 20 mm screwed threaded ends suitable for maximum operating temperature 100 °C installed on all high points in the water piping system to automatically remove the trapped air with necessary accessories all complete as specified and directed by the engineer-in-charge. |
| 52 | Material& Labour for CL-125 two-piece design cast iron (CI) straight pattern ball valve ofnot less than 20 mm NB, conforming to IS 9890: 1981 and having FG 200 cast iron body conforming to IS 210: 2009, AISI 410 stem, stainless steel AISI 304 ball, renewable PTFE seat & gland packing and screwed female BSP parallel threaded ends conforming to BS 21 with necessary accessories all complete as specified and directed by the engineer-in-charge. |
| 53 | Supply & Fixing for4\" bourdon tube pressure gauge conforming to EN 837-1, having copper alloy process connection & pressure element, plastic black pointer & case, plastic crystal-clear window, snap-fitted in case, accuracy class 2.5, scale range 0- 25 bar with necessary accessories all complete as specified and directed by the engineer-in-charge. |
| 54 | Supply & Fixing for 6\" dual scale (°F / °C), lower mount (radial), bimetal thermometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B-40.200, stem diameter 6.35 mm, laminated safety glass window, stainless steel 304 case, steam, process connection & joint, aluminium dial & pointer, IP67 protection, scale range 0- 60 °C with necessary accessories all complete as specified and directed by the engineer-in-charge. |
| 55 | Providingandfixinginposition the water flow switches as per OEM design and specifications for the Chilled/ Hot water water circuit complete with fitttings all as specified and directed. |
| 56 | Supply, installation, testing and commissioning of PN 16 rated 100 mm NB 2-way pressure independent control valve (PICV) with sensor operated flow rate or power control and energy monitoring function, flange end connections, etc. for modulating water-side control of air handling units along with valve actuator complete all as specified and directed by the engineer-in-charge.The valve shall conform to the following technical specification:- [i] Material(a) Valve body: EN-GJL-250 (b) Flow measuring pipe: EN-GJL-250 with protective paint (c) Closing element: Stainless steel AISI 316 (d) Spindle: Stainless steel AISI 304(e) Spindle seal: EPDM (f) Seat: PTFE, O-ring Viton (g) Imersion sleeve: Stainless steel AISI 316 [ii] Electrical Data (a) Nominal Voltage: AC / DC 24 V(b) Nominal Voltage frequency: 50 Hz (c) Power consumption in operation: ≤ 7 W (d) Power consumption in rest position: ≤ 5 W[iii] Flow Measurement(a) Measuring principle: Ultrasonic volumetric flow measurement(b) Measuring accuracy flow: ±2% NOTES:- [i] The2-way Control valve shall be pre-calibrated to the given maximum flow rate.[ii] Closing off differential pressure of actuator connected with3-way diverting globe valve shall not be less than the pump head. |
| 57 | Supply,installation,testing and commissioning of proportional cooling only thermostats for the Air Handling Units complete with required controls wiring/installation kit etc. As per drawings and specifications. |
| 58 | Supply, fixing, testingand commissioning of condenser water pipes of MS class ‘C’of following sizes and material along with necessary clamps, vibration isolators and fittings such as bends, tees etc but excluding strainer and gauges etc adequately supported on rigid supports/buried in ground including excavation & return filling etc as per specifications and as required |
| 59 | 125 mm dia |
| 60 | 100 mm dia |
| 61 | Supply, installation, testing and commissioning of cast steel bolted cover Y-type strainer of following sizes with CCS body conforming to ASTM A- 216 Gr. WCB, AISI 304 screen with 1.2 mm diameter perforation, 40 kg/cm2 body test pressure & 20 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150, duly insulatedcomplete all as specified and directed.Notes:[i] Insulation shall be measured and paid for separately. completeall asspecified of followingsizes : |
| 62 | 100 mm dia . |
| 63 | 80 mm dia . |
| 64 | 65 mm dia . |
| 65 | Supply and fixing in position 32 mm dia GI pipes medium grade cut to required lengths and installed with all screwed joints, and providing and fixing in positionincluding necessary fittings vsuch as elbows, tees, reducers etccomplete all as specified & directedas per specifications. |
| 66 | Expansion TankSupply,installation,testing and commissioning of rotational moulded polyethylene expansion tank cylindrical vertical with closed top of size 1000 Ltrcomplete insulated with FR- XLPE/XPE 19 mm thick of minimum bulk density 28±4Kg/cum covered with vapour barrier and finished with 0.5 mm thick AI cladding and applied with Pidilite SR 998, air vent, NRV, drain connection and float valve including quick fill by installingsuitable size monoblock pump set and controller including suitable foundation as per OEM instruction complete all as specified and directed. |
| 67 | AIR DISTRIBUTIONSupply, fabrication installation and testing of factory fabricated GSS metal as per IS 277 (120 GSM both sides confirming to class VIII) ductsas per following size and as perIS 655 for fabrication of duct with proper gauge of sheet, hanging arrangement, spacing etcincluding necessary G.I hangers/supports, volume control duct dampers, accessories vanes, 3 mm WPDM rubber gasket etc. complete as per specification in accordance with the approved shop drawing : the cost shall be inclusive of following:(i) Ducts with reinforcement/ strengthening.(ii) Air tight joints.(iii) Accessories such as splitter, damper, guide vane etc.(iv) Hangers, Fastener and supports; Rectangular duct should be support from ceiling/wall with bracket/Gripple wire/hanger etc. Selection should be as per site condition and drawing.(v) Painting with black colour paint for duct sides behind the grills.(vi) The gasket used in case for all ducts shall be fire retardant type (vii)Fire damper shall be installed in all main entry / exist of duct into Air conditioned spaceNote : Duct design shall be carried as per IS 655: 2006 & the latest edition of HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required scaffolding work to install the ducts at site complete all as specified and directed by engineer-in-charge. |
| 68 | 24 gauge galvanised sheet steel complete all as specified and as directed. |
| 69 | 22 gauge galvanised sheet steel complete all as specified and as directed. |
| 70 | 20 gauge galvanised sheet steel complete all as specified and as directed. |
| 71 | Supply, fabrication, installation and testing the flexible connections constructed of fire resistant double resinsleeveand Jib opening as required all asperthe OEM Instruction |
| 72 | Grilles/ Diffusers.Material & Labour for square / rectangular / round neck 450 mm X 450 mm rectangular neck 4-way discharge ceiling return diffuser having neck velocity ≤ 600 ft/min, throw ≥ 19\" @ 150 ft/min velocity NC ≤ 26 for air flow ≥ 1057 ft3/min ceiling return diffuser for fixed, horizontal discharge pattern consisting of an outer frame assembly with a square / rectangular inlet being an integral part thereoff, an inner core assembly consisting of fixed deflection louvers, throw reducing vanes, anodic acrylic paint finish, etc. and tested as per ANSI / ASHRAE standard 170-1991 complete all as specified and directed by the Engineer-in-charge. |
| 73 | Supply, installation, testing and commissioning of high performance air foil class 1A leakage rated GI volume control damper having galvanised steel hat channel frame reinforced with corner braces, galvanised steel airfoil shaped blades (double skin construction) of 14 gauge thicknes, neoprene blade edge seals, flexible metal compressible jamb seals, stainless steel sleeve, linkage concealed in frame, etc. tested as per AMCA Standard 500-D-98 complete all as specified and directed by Engineer-in-charge. |
| 74 | Fresh Air GrillesSupplying, fixing, testing and commissioning of powder coated extruded aluminium section of 120 G thick for fresh air grill in weather maker room with volume control dampers, bird screen etc complete as required. |
| 75 | Material & Labour for CBRI certified 16-gauge GI fire damper ( Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position.) , at least of 120 minutes fire-rating, spring activated on melting of fusible link having melting point 67.13° C complete with smoke detector / thermistor, fusible link etc. and actuator as required for operation, located in the SA / RA ducts, at all fire rated cross overs (shafts, walls, etc.) along with control panel (located in such a way that the reset may easily be done), interlocked with the building management system for the fire detection or HVAC to trip / close in the event of fire / smoke in the respective zone and tested as per UL-555 complete all as specified and directed by the engineer-in-charge. The fire dampers shall meet the following criteriaon:- [i] Bare fire dampers with 400 mm sleeve [ii] Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position [iii] Interconnection wire for the fire detection & alarm system with the AHU and the smoke dampers [iv] Sealing any openings around the sleeve of the fire dampers with approved fire sealant as per the specification & recommandations of the manufacturer. |
| 76 | THERMAL INSULATIONSupply, installation, test and commissioning of accoustic insulation insdie the duct with engineered nitrile rubber open cell foam with density 140-180 kg / cum and class - I fire performance and with antimicrobial as per ASTM E 21 using manufacturer\"s recommended rubber based adhesive in a solvents complete all as specified and directed. |
| 77 | Supply, installation, test and commissioning of thermal insulation of duct with 13 mm thick closed cell chemically cross linked fire retardant polyethylene foam insulation ofdensity 30 Kg/cum. The thermal conductivity of the material should not exceed 0.035 W/Mk at an average temp of 40 deg C,covered withaluminium faced foil complete with application with rubber based adhesive Pidilite SR 998 and 50mm x 3 mm thick self adhesive tape on both longitudinal & transverse joints simultaneously and externally wrapped with wrapped with 3M Fire Barrier Duct Wrap 615+ certified to ISO 6944 (air duct test standard) all as specified. |
| 78 | Material & Labour for underdeck insulation for RCC roof with bonded fibre glass wool of density 48 Kg/Cum, 50 mm thick, suitably factory laminated with aluminium foil having flange on one side, backed up by scrim and kraft paper, comprising of the following (insulating material shall conform to BS -476, Part 4,5, 6 & 7):-“(a) S & F 50 x 50 mm or 75 mm x 75 mm slotted angles 50 mm wide, fixed to the ceiling by means of rawl plug 600 mm centre to centre.“(b) Supply and draw GI tie wire 22 Gauge from vertical slots, for holding the insulating material in position with and including GI washer.“(c) S & F aluminium foil, adhesive tape 50 mm for sealing of aluminium foil flanges.“(d) Providing additional support to the insulation with and including chicken wire mesh of size 12.5 mm x 0.51 mm (24 SWG) hexagonal construction, stretched firmly over the insulation and fixed\". (for AHU Room Ceiling) |
| 79 | Supply& Fixing for 25 mm black flexible closed-cell elastomeric thermal insulation made of elastomeric foam based on synthetic rubber (NBR / PVC), tested for maximum service temperature 100 ºC as per ASTM C-534 & minimum service temperature -50 ºC as per ASTM C-534, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 24 ºC as per ASTM C-518 / C177, ASTM C-335, water absorption by volume ≤ 0.2% as per ASTM C-209 / C-1763, flame spread index (FSI) & smoke development index (SDI) 25/50 as per ASTM E-84, flammability HB, V-0 as per UL-94, fungi resistance as per ASTM G-21/C-1338, mould growth resistance as per ASTM E-2180-18 / UL-181 and ozone resistance as per ASTM D 1149-18 laminated with 12 micron aluminium foil facing with reinforced glass scrim, adhesives and other necessary accessories complete all as specified and directed by the engineer-in-charge. (for AHU Room walls) |
| 80 | Supply & Fixing forwall mounted digital temperature cum % RH controller complete with large LCD, English display having operating voltage 240±10% V AC, 50 Hz frequency, ≤ 8 VA power consumption,0.5 ºC temperature display resolution, 0.1% relative humidity display resolution, IP20 protection, etc. including battery and control wiring in PVC conduit from thermostat / humidistat in return air duct to AHU Room complete as specified and directed by engineer-in-charge. |
| 81 | Supply & Fixing forIndoor type wall mounted digital temperature cum %RH meter (Digital Thermo Hygrometer) complete with large LCD, English display having operating with 12/24H Max/Min temperature and humidity memory function range -50°C to70°C Temperature accuracy 0.5 ºC and Humidity range 10% to 99% RH Humidity accuracy 5% RH Humidity resolution 1% RH Power source 1*AAA (1.5V) battery complete as specified and directed by the engineer-in-charge. |
| 82 | S &F structural rolled mild steel joist, channel, angle, tee or flat section conforming to grade Fe 410-O or Fe 310-O fixed independently, without connecting plates etc. as in nd duct supports including tie bars with screwed etc complete all as specified and directed . |
| 83 | Supply, installation, Testing & commissioning water softening plant considering water softening flow rate of 2 cum/Hrs with inlet hardness given 105 PPM and hardness of outlet will be less than 5 PPM for condenser water circuit complete all as specified and directed by Engineer-in-charge. |
| 84 | Material& Labour for drain water pipe of 20 mm NB including necessary fittings viz. flexible connections, bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fasteners) with necessary accessories complete all as specified and directed by the engineer-in-charge.NOTES:-[i] The pipe size 150 mm NB & below shall be MS \"C\" class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and a |
| 85 | Supply and Installing , testing and commission of commercial Air curtain unit for prevention of dust and conditioned Air losses, single phase, 220Volt, 50Hz, 2 mtr wide with maximum noise level 40 to 60 dB, 960 RPM, 8/9 mtr per second effective air through capacity not less than 2.20 Mtr made out of stainless steel sheet of minimum thickness of 18 gauge finished with two coats of sythetic enamel paint over a coat of redoxide primer paint (oven baked) with MS-CRC 18 gauge square perforated section grills, aluminum alloy fans, single Phase electric motor noise less, nozzles etc., complete with all fitting and accesories.Make :- Almonard/Sudhai air tech pvt ltd/mitsubishi (Heavy duty) air curtanis/ mitsubishi electric India pvt Ltd. |
| 86 | Notes for Srl item No. 01 to 49 above :- (i) The rate shall be inclusive of Designing of Complete AC plant. Contrtactor shall summit Design &complete detailed drawing of all pipe network, duct network (Supply/return), Layout plan and panel dully vetted byIIT / NITforapproval of Accepting Officer within 01 Months from date of commencement of work as per Work order No. 1(ii) The completion of the work shall be issued in phased manner. Provisional completion of the work shall be issuedAfter physical execution of the work at site complete in all respect and subject to completion ofPhase-I tests.(iii) The complete central AC Plant schematic / line plan layout shall be approved by the Accepting officer before commncement of work(iv) Provisional completion of the work shall be issued after24 hours of Phase-I Test in presence of Engr-in-charge , GE and users Representative.(v) Final completion of the work shall be issued afterPhase -II ( summer / mansoon / winter ) Testscarried out by The Rep of Accepting Officer. (vi) After provisional Completion of the contract and tillthe completion of defect laibility period (24 Months) ) thePlant shall be operated by the contractor\"s operator in two shifts (as per user requirement) and as directed by GE/ Engg-in-charge ) without any extra cost. (vii) TheDefect liability period of the contract shall be start afterprovisionalcompletion of the work . |
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