SPL REPAIR OF AIR CONDITIONING SYSTEM AGAINST BER DECLARED AC PLANTS, CENTRIFUGAL PUMPS UNDER GE(A) NO.2 JODHPUR IN ARMY AREA JODHPUR

Amount

Supply, installation, testing & Commissioning of water cooled scroll chiller, central air conditioning system with all equipments & accessories complete all as per specifications and comprising of following, complete all as specified and directed: (a) 01 No compact, Microprocessor controlled, water cooled inverter scroll chiller comprising multiple scroll compressor chilling machine of actual capacity not less than 22.5 TR conditions given in last of this column at below provided conditions, Each unit shall comprise of following: Make:- Bluestar Cat No. XWC2VS-026AR3 or its techno commercial equivalent model in Carrier / Voltas / Daikin / Hitachi / Kirloskar Chillers

Note :- (i) Providing & Fixing of AHRI certified Water cooled Inverter Scroll Chiller Packages of minimum 45 TR (2x 22.5 TR) both units in running configuration with multiple refrigerant circuit, scroll Chiller compressor suitable for green Refrigerant R407C/R410A, Insulated Shell and tube Evaporator. Each unit shall consist of following: 2.) Insulation for cooler and suction lines duly covered with aluminium cladding. 3.) Automatic step less capacity control, safety devises, sensors and internal wiring. 4.) Expansion valve for referigerant flow control on demand. 5.) Microprocessor control panel with display and should also have the BMS connectivity ports along with communication link 6.) First charge of oil and referigerant gas, alongwith differential pressure switches for cooler across the inlet & outlet of cooler. 7) entire unit shall be mounted on MS Frame. Motor shall| be suitable for 415 volts ± 10%, 50Hz ± 3 %, three phase A.C. Supp. Chiller should have minimum 2 No of independent refrigeration circuits operating at 50%,100% loading and unloading points Note: Contractor shall provide design of the plant duly vetted by OEM / Authorised representative of the OEM and govt institute before commissioning / installation of the plant to be get approved by Engineer-in-charge and GE.

CONDITIONS : (i) 'COP@AHRI Condition should be min 5.24 (ii) Chilled Water Leaving Temp. = 6.67. DegC/44 deg F (iii) Chilled Water Entering Temp. = 12.22 DegC/ 54 Deg F (iv) Fouling factor chiller (M2.K/KW) = 0.00075 (v) Condenser Water Entering Temp. = 35 DegC / 95.00 Deg F (vi) Condenser Water Leaving Temp. = 29.44 DegC / 84.99 Deg F (vii) Fouling factor Condenser (M2.K/KW) = 0.002 in FPS units (viii)100% IKW/TR @ tech spec Conditions should be less than 0.84 KW/TR (ix) NPLV should be not be more than 0.47 KW/TR (x) Insulation of the chilling machine shall be done by manufacturer only. The chilling machine as described above shall be inline with specifictaions.

Supply, installation, testing and commissioning of condenser water monoblock pumpsets with bronze impeller for condenser water recirculation complete with TEFC Sq. Cage induction motor with class "F" insulation, mechanical seal etc. conforming to techinical specification and as per following parameters. (Company Assembled & Factory Fitted) ( 1W + 1S), complete all as specified and directed:

Condenser Water Pumps

Capacity of each pump (USGPM) 102.0

Pump Head (Mt) 24.0

Proposed KW of Motor 3.75KW(5HP)

Min Eff:75%

Supply, installation, testing and commissioning of chilled water monoblock pumpsets with bronze impeller for chilled water recirculation complete with TEFC Sq. Cage induction motor with class "F" insulation, mechanical seal etc., and the chilled water pumps shall include thermal insulation & cladding. (Company Assembled & Factory Fitted) (1W+1S) conforming to techinical specification and as per following parameters, complete all as specified & directed.

Chilled Water Pumps

Capacity of each pump (USGPM) 78

Pump Head (Mt) 30-32

Proposed KW of Motor 3.75KW(5HP)

Min Eff:75%

Supply, installation, testing and commissioning of FRP induced draft cooling Tower of capacity 30 TR (Heat Rejection Capacity - ,91,000 K Cal per hour) Complete with FRP water basin, PVC fillings, statically and dynamically balanced fan, TEFC motor, suction screen, make up & quick fill arrangement with PVC water tank of 2000 litres capacity with fittings float valve, over flow & drain connection including modification for basement made of PCC, Suitable steel ladder etc and confirming to standard specifictaions with following parameters, complete all as specifed and directed

inlet water temp- 37.20ºC

Outlet water temp - 32.00ºC

Supply, installation, testing and commissioning of Hot Water Generator of capacity 30 KW in four banks complete with one slave bank controlled by Semi Conductor Rectifier & other necessary controls, electrical panels etc. confirming to technical specifications, with following parameters, complete all as specifed and directed

inlet water temp- 45 ºC

Outlet water temp - 50 ºC

Supply, installation, testing and commissioning of hot water monoblock pumpsets with bronze impeller for hot water recirculation complete with TEFC Sq. Cage induction motor with class "F" insulation, mechanical seal etc., the hot water pumps shall include thermal insulation & cladding. (Company Assembled & Factory Fitted (1W +1S), conforming to techinical specification, with following parameters, complete all as specifed and directed

Hot Water Pumps

Capacity of each pump (USGPM) 50

Pump Head (Mt) 28-30

Proposed KW of Motor 2.25 KW(3HP)

Min Eff:75%

Supply, installation, testing & commissioning of factory fabricated Double Skinned AHU horizontal /vertical type fabricated out of extruded Al.section with 0.8 mm pre-plasticide sheet outside & 0.8mm polished SS sheet inside with back-ward curved fan in supply & forward curved in exhaust with fan section & fan motor,cooling & heating coil with coil section, prefilter section with non woven synthetic media of 10 micron particle size with an efficiency of 90% in both the supply & exhaust side of AHU, fine filter section including fine filters for flteration level of 5 micron in supply & exhaust side, polished stainless steel drain pan made out of 22 Gauge sheet duly insulated, motor & belt drive package, belt guard etc.without face & bypass dampers.The AHU shall be insulated with 30 mm thick fire retardent PU foam & thermal break.The motor & fan assembly shallbe mounted on al.extruded section only. The complete AHU shall be conform to standard specification & Schedule of equipment .The capacity of AHU shall be as follows:

The face velocity across cooling/heating coil,filters should not exceed 152meters per minute.

AHUs shall be fitted in AHU room at ground floor or on ceiling.

Supply & exhaust part of AHU shall have items /sections as mentioned above in the following order

Supply Part: Fresh air intake Louvre, Pre fine filter

Section, cooling & heating coil, supply fan

Floor mounted type AHU for conference hall-1&2 12000 CFM blower ,4 Row CC, 2 Row HC, 65 MM Statatic pressure for supply fan.

Description all as per Item No.7.00 here-in-above but AHU for Equipment room 1,2 & 3.

Ceiling suspended type AHU 6000 CFM Supply blower ,4 Row CC, 2 Row HC, 65 MM Statatic pressure for supply fan.

Supply, installation, testing and commissioning of three way motorised valves duly insulated (50 mm thick EPS, 20 Kg / meter with modulating motor in cooling coil & heating Coil of air handling units with actuator & electronic modulating thermostat with digital display alongwith transformer of following sizes:

Supply, installation, testing and commissioning of following nominal sizes of chilled water piping plumbing inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with fire retardant quality expanded polystrene moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3 grade 1 roofing feltstrip(as per lS:1322 as amended up to date ) at joints repairing of damage to building etc. as per specifications and as required complete in all respects. Pipe size should be taken into account as per chiller/condenser pump and hot water generator units, any varitions in pipe size other than specified below shall be supplied as per requiremnt at site with rate of nearest pipe size and all as per directions of engineer-in-charge

Note: The Pipes of sizes 150mm & below shall be M.S. C' class as per lS 1239 and pipes size abeve 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above

100MM Dia

40 MM Dia (50mm thick insulation)

80 MM Dia (50mm thick insulation)

50 MM Dia (50mm thick insulation)

Excavation in trenches not exceeding 1.5m wide and not exceeding 10 Sq.m on plan area and not exceeding 1.5m deep in any type of soil complete all as specified and directed.

Returning, filling in including spreading leveling watering and well ramming in layers not exceeding 25 cm in any type of soil all as specified and directed.

Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the Chilled Water/Condenser Water/ plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications for the following valves

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

100MM Dia

80MM Dia

50 MM Dia

40 MM Dia

S&F 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 complete all as specified for thw following valves:

80MM Dia

50 MM Dia

S&F NON-RETURN VALVE with dual plate of CI body SS plate anized NBR seal flanged end & PN 16 Pressure rating for chilled /hot water circulation including insulation as specified

80 MM Dia

50 MM Dia

40 MM Dia

S&F Y-Strainer of Ductile CI Body flanged ends with stainless strainer for chilled/hot water circulation including insulation as specified:

80MM Dia

50 MM Dia

S & F of 4" 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 complete with accessories, etc. as specified and directed by engineer-in-charge.

S & F of 6" dual scale temperature (°F/°C), lower mount (radial), bimetal thernometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B40.200, 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 complete with accessories, etc. as specified and directed by engineer-in-charge.

Supply, installation , testing and commissioning of condensate drain water piping of GI 'Medium' class complete with Medium Class fittings like elbows. tees, reducers bends, MS flanges, supports, welding, painting 25 mick FPS insulatien etc. es required conforming to standard spécifications and of following sizes.

100MM Dia

80MM Dia

Supply & fixing in position the following port strainer PN 16 complete as directed.

100MM Dia

Supply, installation, testing and commissioning of automatic air-vent valve with 15/20 mm end connections, brass OT 58 body and cover, polyacetal lever, high density expanded polyethylene float, EPDM rubber plug, stainless steel spring, polyamide cap etc. suitable for maximum operating pressure of 16 bar and maximum operating temperature 115 °C respectively, installed on all high points in the water piping system to automatically remove the trapped air complete all as specified and directed.

Supply, installation , testing and commissioning of water flow switch complete all as specified & directed.

Supply, installation, testing and commissioning of Pan typehumidifier made out of SS-304 sheet welded construction with utilised stainless steel reservoir. The humidifier shall be divided into two chambers from inside. One bank is heater kept ON where AHU is in operation to maintain the temp of water between 60-70ºC and the other bank gets ON upon reciving signa; from humidistat of humidification and other necessary controls electrical panels etc for the following:

3 KW Capacity

1.5 KW Capacity

DUCTING WORK - Supply, install, testing and Commissioning of GSS square/rectangular ducting complete as per clause 22.3.19.10.8 of SSR part I including 10 mm thick suspenders fixed from roof at 2 mtr spacing with dash through fasteners & double nut bolts with sockets, elbows, splitters, vanes supports etc Supply, installation, balancing and commissioning of factory fabricated galvanized steel sheet metal (G.S.S.) round / rectangular ducting of following sheet thickness having zinc coating of 120 g/m² total on both sides and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, supports, etc. as per approved drawings and conforming to the latest edition of IS 655: 2006 & 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.

20 gauge (1.0 mm) thick

22 gauge (0.8mm) thick

24 gauge (0.63mm) thick

Note for Item No.24 Ducting (for supply & return air) duct shall be fabricated at site & work shall be executed based air flow rate and other parameters and after approval of duct layout from engineer-in-charge and GE.

Supply and fixing air square aluminium diffusers complete with wooden frame, volume control damper, painting, gasket, screws etc., complete all as specified and as directed.

Supply and fixing return air square aluminium diffusers complete with wooden frame, volume control damper, painting, gasket. complete all as specified and as directed.

Supply, installation, testing and commissioning of fire dampers / actuator in supply air in duct main branch and return air path as and where required of i/c control wiring.the damper / Actuator 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

Damper

Actuator

Supplying & fixing of Fresh air intake louvers with bird screen dampers (alluminium extruded only), , complete all as specified and as directed.

Supply, installation, testing and commissioning of double canvas cloth connection for AHU's in the system with the flanges, nuts, bolts, gaskets etc as per specification.

Supply and fixing of acoustic insulation of duct in AHU room upto 5 Meter with resin bonded fiber glass of 25mm to 30mm thick of density 48 Kg/Cum covered with 28G Aluminium perforated sheet all as per Clause 22.3.15.9. of SSR Pt-1 Thickess all as per directions of engineer-in-charge.

M&L for provision of air duct XLPE insulation thickness 13mm with factory backed aluminum foil and including the following: (a) M & L for cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust,grease and other foreigen material, taking special care so that all duct joints are sealed against any leakages. (b) M & L for appling rubber based adhesive CPRX compound onto duct surface. Note: Quoted rate shall include cleaning of duct and adhesive

M& L for supply air duct insulation with 13mm nitrile rubber with O class category.(a) M & L for cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust,grease and other foreigen material, taking special care so that all duct joints are sealed against any leakages. (b) M & L for appling rubber based adhesive CPRX compound onto duct surface. Note: Quoted rate shall include cleaning of duct and adhesive

M& L for supply return duct insulation with 13mm nitrile rubber with O class category.(a) M & L for cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc. to make the surface completely free of millscale, dirt, dust,grease and other foreigen material, taking special care so that all duct joints are sealed against any leakages. (b) M & L for appling rubber based adhesive CPRX compound onto duct surface. Note: Quoted rate shall include cleaning of duct and adhesive

ExpansionTank Supply,installation,testing and commissioning of HDPE/PVC expansion tank of size 1000 Lt r complete insulated with suitable 13 mm thick foam of minimum bulk density 28±4Kg/cum covered with vapour barrier and finished with 0.63 mm thick AI cladding and applied with Pidilite SR 998complete with air vent and drain connection with float valve, quick fill and control valves etc. as required.

S & F of XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 70 Sqmm 4 Core (heavy duty) with stranded aluminium conductor 1100 volts grade earthed system laid in trenches/ducts/through pipes/in floor/along with poles etc. complete all as specified and directed.

All as per item No. 35.00 here-in-above but cable size is 10 Sqmm 4core

All as per item No. 35.00 here-in-above but cable size is 6 Sqmm 4core

S & F of wall mounted digital temperature cum %RH controller (Digital Thermo Hygrometer) complete with large LCD, English display having operating voltage 24±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 return air duct to AC Plant Room complete as specified and directed by engineer-in-charge. Make: Honeywell/ HTC/Thermo-electric or equivalent

M & L for MS cable tray, perforated and painted with powder coating of size 300 mm (W) X 60 mm (D) X 1.6 mm (T) with perforation not more than 17.5%, in convenient sactions, joined with connectors, suspended from the ceiling with MS suspenders, including bolts & nuts, painting suspenders etc. as specified and directed by the engineer-in-charge.

Supply, installing, testing and commissioning factory made and tested (CPRI certified) LT Panel board type suitable for 415 volts, 3 phase, 4 wire, 50 HZ AC supply system having bus bar chamber with insulated copper bus bars of rating suitable capacity minimum 300 amps installed on porcelain insulators. The panel shall be dust and vermin proof IP-65 class protection and made of 2 mm CRCA MS sheet and 40x40x6mm thick MS angle iron frame work, powder coated finish over one coat of red oxide primer on outside surface and painted inside with two coats of red oxide primer, front & back side opening type, with apron for cable entry with single door setter and locking arrangement and PCC and earth work etc. after taking down old us panel and comprising of the following :-

(a) Incoming :-

MCCB 4 pole 36 KA, 200 Amps capacity 415 V, 50 Hz, with O/L & S/C protection, AC supply complete with all standard accessories - 01 Nos

(b) Outgoing

(i) MCCB TP 160A, 25 KA - 03 No

(ii) MCCB TP 63A, 16 KA - 06 No

(v) Indicator lamps Red/Yellow/Blue - 03 Nos

(vi) DOL starter with MPR of suitable size suitable for 5 HP pump set - 04 Nos

(vii) Soft starter suitable for 3 HP pump set - 02 Nos

Supply, erection, testing and commissioning of centrifugal mono block pump set 3HP capable of delivering 450-150 LPM of water against 15-27 mtr head each comprising of the following and complete squirell cage induction motor with 2830 rpm synchronous speed, operating on 415+ 10% volts, 3 phase, 50 Hz A.C. supply alpong with Lot- Mounting frame with Anti vibration pads. quoted rate shall include PCC cement concrete foundation for the pump unit

Dismantling of 3 x 5 TR AC plant along with following components: (a) Compressor -03 (b) Compressor Motor Cap 7.5 HP-03 Nos (c) Condensor motor cap 2 HP-03 Nos and other misc connected items such as Panels, starter,ducts and deposit the dismantled items to MES store all as per directions of Engineer-In-Charge

Dismantling of 2 X 22.5 TR Central type AC plant along with following components: (a) Compressor -02 (b) Compressor Motor Cap 30 HP-02 Nos (c) Condensor motor cap 7.5 HP-02 Nos (d) Blower motor Capacity 7.5 Hp-02 Nos and other misc connected items such as Panels, starter,ducts and deposit the dismantled items to MES store all as per directions of Engineer-In-Charge

Dismantling of centrifugal pump set 3HP Pump Motor of Capacity and deposit the dismantled items to MES store all as per directions of Engineer-In-Charge

Dismantling and refixing of the existing false ceiling perforated board after installation of the supply and return ducts and replacement of any damaged false ceiling perforated tiles with new tiles all as per directions of the engineer-in-charge

Preperation of old decorated plastered surface of walls Etc & applying one coat of white washcomplete all as specified

Preperation of old decoratedplastered surface of CEILINGS Etc & applying one coat of white wash, complete all as specified

Supply Install testing & commissioning of microprocessor controlled Air cooled package type ducted Air conditioner of capacity 5 TR with nominal cooling capacity of 66000 Btu/Hr with refrigerant R407C/R410A working on 415V ±10 V 3 Phase 50HZ Ac supply with pure polyster powder coated GI steel housing with Nominal Air flow of 3500 CFM and control capacity of 0,100% with one compressor unit in indoor unit and one outdoor unit and Copper tubes of any size between indoor and outdoor unit with LT electrical panel suitable including accessories like MCCB, Dol starter etc for plant capacity configuration of 3 x 5TR all as specified and directed. Note :- Common LT panel for 3 units is to be supplied

M & L Earthing complete with galvanised steel earth plate electrode 60×60cm.× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised strip of size 32 mm x 6 mm as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point,all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion , including exacavation and earth work in any type of soil PCC chamber, RCC Cover all as dircted by engineer-in-charge quoted rate shall include the rate of GI strip from earth pt to equipment.

Notes - (a) Contractor/bidder will be responsible for performance guarantee of complete AC plant to achieve the inside technical specification conditions round the clock throughout the year with overall COP of the system not less than 5.24. (b) The bidders shall be deemed to be inclusive of Air Conditioning Plant and all other items as listed in this BoQ from ser No 1.00 to 49.00 including successful testing & commissioning. Bidders shall quote their rates accordingly. (c) Rates quoted by the contractor shall be for complete finished work including cost of all labour material, scaffolding, finishing as required with tools, plants, cartage, lift, taxes, tollage, octroi, royalties etc. All works shall be executed as per BoQ, particular specification, drawings and instructions of engineer in-charge and shall include the supply and installation at site of all the equipment, ancillary materials as specified and all such items what- so-ever which may be required to fulfill the desired intent and purpose. All materials shall be as per ISI specification and with IS certification marked wherever applicable. The material shall be duly approved by engineer-in-charge before incorporation in the work.

Anil Builders

Saini Enterprises