PROVISION OF AUDITORIUM CUM CINEMA HALL AT AF STATION JAISALMER

Amount

NOTE: Schedule ‘A’ Part I to XII are under Ser No. 1.00 to 11.00 are Prepriced by MES. Bidders shall insert their lumpsum amount in the Green coloured field under Col-6 only.

Lump sum price worked out for Building / Structures as listed in Sch `A’ Part I.

Lump sum price worked out for Excavation & Earthwork as listed in Sch `A’ Part II

Lump sum price worked out for Internal Water Supply as listed in Sch `A’ Part III

Lump sum price worked out for Internal Electrification as listed in Sch `A’ Part IV

Lump sum price worked out for Road/Path and Hardstanding as listed in Sch `A’ Part V

Lump sum price worked out for Sewage Disposal as listed in Sch `A’ Part VI

Lump sum price worked out for Area Drainage as listed in Sch `A’ Part VII

Lump sum price worked out for External Water Supply as listed in Sch `A’ Part VIII

Lump sum price worked out for External Electrification as listed in Sch `A’ Part IX

Lump sum price worked out for Lightening protection listed in Sch `A’ Part X

Lump sum price worked out for Fire Fighting system listed in Sch `A’ Part XI

PRIME COST SUM (Refer condition 5 of IAFW 2249): Provide Prime cost sum of Rs 40,00,000/- for under mentioned works:- (a) Push back chairs (300 Nos) including fixing on floors Note: The percentage if quoted on 'ADD' shall not exceed 15% as per Condition 62 (G) of IAFW 2249

EXTERNAL WATER SUPPLY

Material and labour for cutting existing DI pipe line of 150mm bore including excavation , earthwork and inserting DI special any size and shape complete all as specified and directed. Note : DI special and lead joint to be measured seperately. Contractor to make arrangements to drain out/pump out accumulated water without any extra cost.

Supply, lay, jointing and testing centrifugally cast (spun) ductile iron pressure pipe with socket and spigot ends class 'K-7', ISI marked, confirming to IS: 8329/2000 suitable and including rubber gasket joint (push on) with inside cement mortar lining of size 100 mm bore complete all as specified and directed.

Supply and lay DI fittings such as bends (any type, radius and angle), tapper any type (straight, bend,increasing,decreasing or double socket etc.) tee pieces single branch, collar (all sockets or socket and spigot), collar,caps and plugs upto 300 mm bore DI pipes complete all as specified and directed.

Material and labour for construction of PCC block masonry valve pit chamber of size 1000 x 1000 x 1000mm (Internal dimensions) with 150mm thick PCC foundation 1:4:8 type D2 using 40mm graded stone aggregate , with 150mm wide offsets alround, block masonry (1:3:6) built in CM 1:6, 150 mm thick coping in PCC 1:2:4 type B-1 finished even and smooth, rendering 15mm thick in cement mortar (1:4) finished even and smooth internally and rendering 15mm thick in cement mortar (1:6) finished fair and even externally including excavation earthwork in any type of soil, returning and filling, removal of surplus spoil to a distance not exceeding 50 metre, 3 mm thick MS sheet cover fixed on 50mmx50mmx6mm thick angle iron frame embedded in PCC coping with locking arrangement and mild steel hold fast, mild steel handles and painting to steel surfaces with two coats of black synthetic enamel paint over a coat of red oxide primer etc. complete all as specified and directed.

Supply, install, testing and commissioning Monoblock pump set with electric motor 5 HP, 3 phase, 415 volts AC supply, 1450 RPM including panel and starter complete all as specified and directed. Make : Kirloskar or equivalent make approved by GE. Note : Quoted rates shall deemed to include the cost of provide the system of release the air of pump and making connection of pipe line for priming of pump set.

S&F foot valve having dia 50mm complete all as specified and directed.

S&F stainer having size 50mm dia complete all as specified and directed.

EXTERNAL ELECTRIFICATION

Supply, installing, testing and commissioning of silent diesel engine driven generating set 250 KVA (200 KW at 0.8 PF) capacity 415 volts, 3 phase ,4 wire and including acoustic weather proof enclosure as per CPCB norms and noise level shall not be exceeding 75 db at a distance of 1m from all sides,complete with relay panel for automatic start on main failure, with fuel tank maintenance free battery and standard accessories and fitting, PCC foundations as recommended by manufacture anti Vibration pad, sand cushioning around PCC foundation, Tools and spares to be provided by manufacturers all as specified and directed.-

(a) Diesel Engine developing suitable BHP at 1500 RPM conforming to BS 5514/ISO 0346 series inclusive of the following accessories :- (i)radiator and radiator fan (ii)spider (iii) coupling guard (iv)fly wheel (v) fly wheel housing complete with starter gear ring and coupling as per manufacturer design (vi) air cleaner dry type (vii)fuel and lubricant oil filter (viii) by-pass filter (ix) coolant inhibitor (x)fuel pump DTR type/ in line mono block fuel injecting pump (xi) water pump (xii) lub oil pump and inclusive of first filling of lubricant oil and coolant (xiii) electric starter 24 volts DC as manufacturer's design (xiv) battery charging genrator (DC alternator) (xv) industrial silencer (xvi)lubricant oil cooler (xvii) flexible pipe for silencer

(xviii) Dc volt meter (xix)water temperatures gauge (xx) lub oil pressure gauge (xxi) speedo meter and engine running hours meter (xxii)display for fault (xxiii) suitable size of turbo-charger (xxiv)shut off coil with safeties for LLOP/HWT (xxv)mechanical Governor (xxvi) maintenance free secondary batteries 180 AH-02Nos 12 Volts as per manufacture design (xxvii) safeties and indications against Low Lube Oil Pressure & high Coolant temperature (xxviii) In-line monoblock fuel injection pump with mechanical governor and fuel feed pump (xxix) Borexstroke- 105 x 120 mm (xxx)engine mounting supports (xxxi)engine control panel consisting of OFF/ON/START keys (xxxii)Lube oil pressure gauge (xxxiii) ammeter (xxxiv)electric hour meter (xxxv)engine operator/ maintenance and spare parts manual (xxxvi)engine spare parts manual (xxxvii)engine warranty certifacate (xxxviii) engine test certificate, (xxxix) asbestos rope. (xxxix) Inbuilt fuel tank of suitable capacity.

(b) Alternator- Synchronous alternator 250KVA, 1500 rpm, 415 volts, 50 Hz, 3 phase system, brushless type, screen protected revolving filled self excited, self regulated, confirming to IS 4772 of 1992/BS 500

(c) AMF panel : AMF panel shall be of suitable size, factory made, indoor cubical type, front openable, fabricated from CRCA steel sheet 1.6 mm thick complete as per manufacturer specification odf diesel engine suitable for DG set of capacity 250 KVA, grouted in floor with PCC 1:2:4 type B-2 foundation of suitable size as per manufacturer's recommendations complete in all respects. Cables are ferruled for proper maintenance/checking/wiring of panel. Detachable cable gland plates are provided. The panel will be equipped as follows: (i) Contactor ML of suitable capacity (ii) Copper bus bar of current rating up to 400 Amp (iii) Sensitivity relay set with suitable CTs (iv) Electronic latch circuit with tripping indication (v) Instantaneous tripping device for complete panel over current 0.5 Amp

(xv) Frequency meter digital type (xvi) MCCB 400 Amp ,4 pole, 36 KA for main supply adjustable over load and adjustable short circuit each - 01 No. (xvii) The AMF panel shall have by pass arrangement in case failure of bypass AMF panel (xviii) Acoustic enclosurenwith natural air cuculation without loss of any power to ventilation fan. The enclosure shall be modular in construction with hinged bolted structure to provide easy dismantling and shall be made out of high quality CRCA steel sheet of 1.6 mm thick with sufficient accessories for maintenance work openable and lockable door air tight gasket interior lightening arrangement of 20 W fitting with On/Off switch to meet latest emission norms.

(f) MCCB 415 V, 4 Pole, 400Amps, 35KA - 01 No. (incoming) (g) MCCB 415 V, 3 Pole, 250Amps, 25KA - 01 No. (outgoing) (h) MCCB 415 V, 3 Pole, 160Amps,35KA - 01 No. (outgoing) (j) MCCB 4 Pole, 63Amps 16KA - 04 No. (k) MCB TPN 32 Amp -01 No

Supply and fix cable route indicator made out of PCC (1:2:4) type B1 of size 0.3m x 0.3m x 2m on HT cable 1m depth grouted in the ground with PCC (1:2:4) type B1 with wiring HT cable/joint with pole number complete all as specified and directed

Supply and fix steel tubular swaged poles Type 410SP-31(9.0mtr long) Swan Neck Type complete with CI base plate and finial and double swan neck, including foundation and coping complete all as specified and directed.

Supply and fix LED street light 72 watts with IP 65 protection, heat resistance including fixing arrangements and fixing clamps,nut bolts complete all as specified and directed. Make: Crompton cat part No-LSTP-72-CDL or equivalent make approved by GE.

Supply and fix LED flood light 90 watts with IP 65 protection, heat resistance including fixing arrangements and fixing clamps,nut bolts complete all as specified and directed. Make: Crompton cat part No-LFLN-90-CDL-60 or equivalent make approved by GE.

Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure complete all as specified and directed.

Supply and fix pole mounting boxes (DB) factory made out of size 350mm x 350mm including 4 Nos. bus bar of suitable size with PVC sheet and necessary clamp ad nut bolts and one No. MCB SPN 06 Amps, 240 volts complete all as specified and directed. Make: Syntex/National or equivalent make approved by GE.

Supply and fix microprocessor based three phase electronic tamper proof, CT operated, energy meter for LT supply with optical communication port, accuracy class 0.5 voltage 3 x 240 v, 1/5 A conforming to IS: 13779 complete all as specified and directed.

Material and labour for stone slab/patti, 40 to 50mm thick, rough dressed, Jodhpur stone slab cover in trenches for protection of cables, 25cm to 35cm wide and 80 cm long, laid dry abutting each other with gap between adjacent slab not exceeding 10mm over sand cushioning complete all as specified and directed.

Supply, install, testing and commissioning of 120KVAR capacitor bank panel feeder pillar box made out of 3.15mm thick CRCA sheet machine pressed of suitable size to operate on 3 phase 4 wire system 415V 50Hz double door cubical type with front and rear openable with locking arrangement, automatic switch ON/OFF control panel with dust and vermin proof comprising of following:- Incoming: (i) MCCB 415 V, 4 Pole with microprocessor, 200Amps,25KA - 01 No. (ii) Phase indicating lamp on each breakup 2 Amps MCB. (iii) Indicating lamp on each capacitor unit to indicate the unit ON/OFF. (iv) Bus bar 300Amps 4 pole copper bus bar of suitable size insulated with heat shrinkable sleeves-1 set. (v) CT ratio 160/5- 1 set of three.

Outgoing: (i) Power factor control relay 5 step with diligent control -1 No (ii) MPP(H) heavy duty shunt capacitor of 440V and capacitor of 50KVAR-01 No (iii) MPP(H) heavy duty shunt capacitor of 440V and capacitor of 25KVAR-02 No (iv) MPP(H) heavy duty shunt capacitor of 440V and capacitor of 10KVAR-02 No (v) ML contactor suitable for 50KVAR-01 No

Supply and fix LED street light 25 watt with IP 65 protection, heat resistance including fixing arrangements and fixing clamps,nut bolts complete all as specified and directed. Make: Havells cat part No- ENDRAPEARLNEOSL40LED757PASYTOPC or equivalent catpart of make mentioend in Appx 'B' to PS.

Supply and fix LED edgepro range slim fit low profile downlights are engineered to deliver superior light output and uniformity utilizing the latest edge lit LED technology. An ideal solution where ceiling voids limits but high lumen complete all as specified and directed. Make: Havells cat part No- EDGEPRPRDD; R6WLED840S or equivalent catpart of make mentioend in Appx 'B' to PS.

Supply and fix LED track based spot light with high efficiency reflector makes it ideal for lighting up retail spaces with bright and crisp light through suitable for 03 circuit -04 wire universal tracks complete all as specified and directed. Make: Havells cat part No- FIOTS25W830S45DWHT or equivalent catpart of make mentioend in Appx 'B' to PS.

Supply and fix wall mounted fans 230V single phase 600mm sweep complete all as specified and directed.

Supply and fix signage (Exit) board with 3W complete all as specified and directed.

Supply and fix signage (Entry) board with 3W complete all as specified and directed.

Supply and fix cable tray 40x100x40 mm complete all as specified and directed.

FIRE FIGHTING AND FIRE ALARM SYSTEM

Supply and fix star delta starter automatic air break with no voltage and over load protection suitable for electric motor of capacity 30HP 415 volts AC complete all as specified and directed.

Supply and fix fire hydrant landing valve type A (Single head outlet) of 63 mm dia conforming to IS 5290 complete all as speciied and directed.

Supply and fix branch pipe nozzle for 20mm dia hose conforming to IS -8090 including fusible plugs suitable for automatic operation at 135 degree tempreture complete all as specified and directed.

Supply and fix hose reel of 20mm dia and nozzle 30 m length conforming to IS-5132 complete all as specified and directed.

Outgoing: (a) MCCB 415 V, 4 Pole, 100Amps,25KA - 02 Nos. (b) Spare box suitable for 100 Amps 25 KA MCCB - 01 No. (c) MCB TPN 40Amps-02 Nos (d) S&F Star delta starter suitable for 20HP motor -01

Supply and fix fire fighting equipment retardant tank, check valve, controls relay auto sensor type, flow switches tamper switches, protection devices including 12 Nos. wet header fitted woth 72 No. fusible type heavy duty sprinkles complete all as specified and directed.

Supply and fix of fire extinguisher having set of 4 Nos. one of dry chemical powder, one of CO2 type and two Nos. water stored pressure type, stand for 6 Nos of fire buckets, fire beaters etc. complete all as specified and directed.

Supply, install, testing and commissioning of multi criteria heat cum smoke detector, operating principal light ray disturbance conforming to IS -2189 complete with base plate UL, MF UPCB approved complete all as specified and directed.

Supply, install, testing and commisioning of zonal indicator panel of upto 6 zone, having audio video indication for fire fault, open/short earth circuit duly interfaced with main control panel complete all as specified and directed.

Supply, install, testing and commisioning of response indicators made from 1.6mm thick CRCA sheet having dual red LED indication provision for cable wire entry from top complete all as specified and directed.

Supply, install, testing and commisioning of manual call box made from 16 SWG CRCA sheet having single red indicator & release type push button in case of fire break glass oriented on front cover and having hammer and chain complete all as specified and directed.

Supply, install, testing and commisioning of medium intensity electronic hooter (Siren) cum speaker made from 16 SWG CRCA sheet with circuit having an output of 80 db and painted complete all as specified and directed.

Supply, install, testing and commisioning of centrifugal type bi-directional horizontally mounted siren of 3.0 Km range operational on single phase 230 Volts complete all as specified and directed.

Supply, install, testing and commisioning of push button electronic housed made out of 16 SWG CRCA sheet with locking arrangement complete all as specified and directed.

Supply and fix PVC insulated FRLS, copper conductor wire in conduit conforming to IS-694 complete all as specified and directed for following size:

(a) 2 x 1.5 Sqmm

(b) 2 x 4 Sqmm

Supply and fix steel conduit of 25mm dia complete all as specified and directed.

Supply and fix self blowing photo signs for indicators complete all as specified and directed.

LIGHTENING PROTECTION

Supply and fix steel tubing of 25mm bore, light grade galvanised with all fittings, 1.5m long on the roof by making base of size 300mm x 300mm x 300mm of PCC 1:2:4, type B-1 for air termination rod complete all as specified and directed. Note : Cost of PCC block shall be included in this item.

SPECIAL ITEMS OF LIGHTENING

Supply and fix foot lights/down lights with shutter 4 module complete all as specified and directed. Make: Havells Cat No. - AHLPFCWL04 or equivalent catpart of make mentioend in Appx 'B' to PS.

Supply and fix independent concealed conduit only for sound system/intercom/Lan/telephones cables complete all as specified and directed.

Supply and fix DLP U-PVC adaptable trunking system and accessories 150mm x 50mm , 2 compartment with PVC cover and junction boxes complete all as specified and directed.

Supply and fix dimmer (electronic transformer) light regulator for low voltage for voltage for LED lamps with electronic transformer complete all as specified and directed.

COOLING APPLIANCES

Supply, testing and install water cooler electric driven ,single phase having approximate storage capacity of 180 litres and nominal cooling capacity of 150 litres per hour complete all as specified and directed.

Supply, testing , install commissioning voltage stabilizer for automatic operation, single phase, naturally air cooled, indoor type and designed for input variation between 170 V to 250 V with output voltage stabilized at 230 V with accuracy of +/- 2.5% and of capacity 3 KVA complete all as specified and directed.

ADDITIONAL B/R ITEMS

S&F sign board of 3mm thick aluminium composite panel of size 6.0x2.0m in equillateral tringle shape(as per IRC -67-2001) comprising one side high intensity prismatic grade retro reflective sheeting as base and with cut out cautionary sign with high sheeting , other side of board shall be treated with epoxy power coating , board of any size fixed or framed work as per manufacturer's instructions all as specified and directed.

S&F road safety bollards made of high intensity grade reto-reflective sheeting over 2 mm thick Alcoband sheet/ aluminium sheet confirming to IS 736 on MS angle iron frame of 25X25X 5 mm over vertical post of angle iron 50x50x5 mm 3 M long incl painting of two coat of synthetic enamel paint over a coat of red oxide and fixed with PCC 1:2:4 in post holes incl dismantling of old bollards all as specified and directed by Engr-in-Charge.

CHILLER PLANT

Supply, Installation, testing and commissioning of water cooled DX/Flooded type Chiller Scroll with Single/double circuit 2x38 TR (2W) minimum. Each unit shall consist of scroll Chiller with hermetic / Semihermetic compressor (twin screw compressors) suitable for R407C Refrigerant, with Slider valve mechanism for stepless un loading, Shell and tube water cooled Condenser, Insulated Shell and tube Evaporator, Micro Processor Plant Manager all as supplied by OEM as part of Chiller Package.

The Unit mounted starter panel with double door construction shall be single Power point type complete with IP 55 Degree protection, consisting of Power disconnecting Switches with fuses/MCCBs, Star Delta starters for Motors and condenser Fan Motors complete with Under/Over voltage and phase reversal protection,Single Phase Preventers,communication card which can accept 4-20 mA or 2-10 V dc analog signal. all as specified

The unit shall be complete with Discharge Service valves to isolate refrigeration circuits, vibration Isolators to isolate chiller from building structure, pressure gauges Electronic expansion valves, solenoid valves, anti-freeze thermostats, refrigerant piping with Insulation for suction line, accessories of Safety valve, angle valve, liquid line indicator, water flow switch, Relief valve, Isolating valves and including MS stand to install the chiller units fabricated out of suitable size of structural steel sections etc. all as per OEM. All accessories housed in a single chasis design.

The noise level measured at a distance of 1 Mtr from the machine at anywhere in the plant room shall not exeed 85 dBA.

The chilled water type AC plant will be suitable for operation on 3 phase AC 50Hz supply of capacity

The Compressor shall have step less control from 100 to 25% of rated capacity.

The unit shall conform to ECBC norms as under:- (a) Minimum COP=4.70 (b) Minimum IPLV=5.49 where COP=3.516/(KW/TR); The IPLV shall be calculated as per AHRI 550/590-latest edition

The unit shall be factory tested as per AHRI standard 550/590 latest edition.

The conditions for Condensor and Chiller are as under:-

Condenser: water in 85 Deg F water out 95 Deg F Fouling factor 0.00025(hr-sq-ft-deg F)/Btu

Chiller: CHW in 54 Deg F CHW out 44 Deg F Fouling factor 0.0001(hr-sq-ft-deg F)/Btu

The rate quoted for above package includes for

(i) Provn of Micro processed controlled capacitor bank to ensure Power Factor of 0.95

(iii) Cabling shall be with XLPE insulated 1100 Volt fire retardant armourd type copper cables

(iv) Civil work of masonry foundations for chilling units. - 1 Lot.

(v) contractor should sunmit heat load calculation before installation of central AC plant and connected equipments such as compressors chillers and condensor design accordingly .

Design, Supply, installation, testing and commissioining of Centrifugal End Suction back pull out, vertically split mono block pumping set (2 working +1 stand by) for condenser water circulation system.The each pump shall be suitable for the given duty points -1 Nos (i) Water Quantity for each pump - 128 US GPM (ii) Static Head - 25 M (iii) Speed - 1450 RPM (iv) Impeller - Bronze (v) Shaft - High Tensile steel (vi) Pump/motor body- CI (vii) Seal - Mechanical (viii) Motor - Suitable HP, Sqirrel Cage SPDP,Class 'B' Insulation (ix) Starter - Star-Delta (x) Base frame - Fabricated MS (xi) Foundation - RCC/PCC Foundation as per OEM Recommendations

Note:The pumps should be provided with Anti Vibration Pads and RCC/Cement concrete Foundation.Rubber bellows shall be provided on suction and discharge sides for vibration isolation. 2 Nos 150 mm dia dial type pressure gauges for inlet/outlet shall also be provided on each pump.

The cost quoted by the contractor includes all above.

Design, Supply, installation, testing and commissioining of Centrifugal End Suction back pull out, vertically split mono block pumping set (2 working +1 stand by) for each chiller. Pump duly insulated with nitrile rubber (min 25 mm thick) all as specified and confirming to following parametres (i) Water Quantity for each pump - 77 US GPM (ii) Static Head - 27 M (iii) Speed - 1450 RPM (iv) Impeller - Bronze (v) Shaft - High Tensile steel (vi) Pump/motor body- CI (vii) Seal - Mechanical (viii) Motor - Suitable HP, Sqirrel Cage SPDP,Class 'B' Insulation (ix) Starter - Star-Delta (x) Base frame - Fabricated MS (xi) Foundation - RCC/PCC Foundation as per OEM Recommendations Note The pumps should be provided with Anti Vibration Pads and RCC/Cement concrete Foundation.Rubber bellows shall be provided on suction and discharge sides for vibration isolation 03 Nos Pump (2 W +1 S) for Chillers, dedicated pump sets for each Chiller.Pump duly insulated with Nitrile rubber( Min 25 mm thick ) all as specified and conforming to following parameters.

Note for Item No 63 & 64 :(i) The Contractor shall provide calculations for Head of the Pump after acceptance of Tender

Design, Supply, installation, testing and commissioining of FRP cooling tower of suitable heat rejection capacity with FRP water basin PVC fills, water distribution arrangement with self rotating sprinklers or fixed nozzles of PVC construction, statically and dynamically balanced axial flow fan direct driven, TEFC energy efficient motor conforming to IS 12615, suction screen, make-up and quick fill arrangement, overflow and drain connections, suitable GI inspection ladder, steel supporting structure, antivibration mounting etc, complete as per manufacturer's design/specifications - 1 No

(i) Capacity - 64TR (ii) Water Flow - 256 US GPM (iii) Water in - 95° F (iv) Water out - 85° F (v) Design wet bulb temp - 80° F (vi) Min approach for Cooling Tower - 5°F

Note: The Capacity 64 TR shown is nominal capacity of Refrigeration.The Cooling Tower shall be suitable for Refrigeration capacity plus heat of compression which is 25 % (appx) of refrigeration capacity.

The highest WBT is for monsoon (82°F) and Condenser piping is designed for 4 US GPM. The Cooling tower shall meet the load in both summer and monsoon.

CHILLED WATER PIPING, VALVES & FITTINGS (UNDER GROUND PIPE)

Supply, laying, fixing, testing and commissioning of chilled water piping Plumbing inside trenches with all necessary fabricated fittings such as bends, tees, reducers etc, and supports such as clamps, anti vibration hangars/pads etc( but excluding valves, valves/strainers/pr gauges etc) duly insulated with pipe sections of Fire retardent quality expanded polystyrene moulded pipe section of density 36 Kg per cum conforming to IS 12436

and thickness 50 mm upto 125 mm pipe and 75 mm thick for pipes 150 mm and above. The insulation applied after a thick coat of cold setting adhesive(CRPX compound) wrapping with 500 gm/sqm polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) and secured with 0.5 mm x 20 mm GI wire mesh and 2 coats of cement plaster (1:4) 20 mm thick in 2 layers(each layer of 10 mm) and water proofed by applying hot bitumen and fixing tar felt over the plaster.

It shall then be finally finished with a coat of hot bitumen. The work includes digging and refilling of trenches and providing 500 mm thick 1:2:4 cement mortar pads at 3 M interval.The pipes are required for installing outside the Building burried in ground. The size of pipes shall be as shown below:-

(a)100 mm Pipe (50 mm thick insulation)

(b) 80 mm pipe (50 mm thick insulation)

CHILLED WATER PIPING EXPOSED OUT SIDE BUILDING

Supply, laying, fixing, testing and commissioning of chilled water piping outside the building all along the wall/roof (with necessary fittings, clamps and vibration isolators but excluding valves/strainers/pr gauges) adequately supported on rigid supports and duly insulated with pipe sections of Fire retardent quality expanded polystyrene moulded pipe section of density 36 Kg per cum and thickness 50mm,

applied after a thick coat of cold setting adhesive(CRPX compound) wrapping with a layer of 120 gm/sqm polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) and secured with 0.511 mm 24 gauge aluminium cladding complete with type 3, grade 1 roofing felt strip (as per IS:1322) at the joints and repairing of damage to the buildings if any etc as per specifications and as required complete in all respects. The size of pipes shall be as shown below:-

(a) 80 mm Pipe(50 mm thick insulation)

(b) 32 mm pipe with 25 mm th insulation

CHILLED WATER PIPING EXPOSED BUT INSIDE BUILDING

Supply, laying, fixing, testing and commissioning chilled water piping inside the building (with necessary clamps, vibration isolators and fittings, but excluding valves/strainers/pr gauges etc) adequately supported on rigid supports and duly insulated with closed cell elastometric nitrile rubber of class 'O' insulation and insulation applied by

adhesive confirming to standard OEM specifications secured with 0.511mm Aluminium sheet cladding complete with type 3, grade 1 roofing felt strip (as per IS:1322) at the joints and repairing of damage to the buildings if any etc as per specifications and as required complete in all respects.The size of pipes and insulation shall be as shown below:-

(a) 100 mm Pipe(32 mm thick insulation)

(b) 80 mm Pipe (32 mm thick insulation)

(C) 25 mm pipe ( 25 mm thick insulated with nitril rubber)

(d) 32 mm pipe with 25 mm th insulation

Supply, fixing, testing and commissioning in position the following valves, strainers etc, in chilled water line complete with flanges etc, and duly insulated with uniformly cut pieces from slabs of expanded polysterene, covered with 500 gm/sqmtr polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) with 50mm overlap and 26 G Aluminium cladding. Care shall be taken to ensure that no damage would be caused to the insulation when valves, stariners are in operation.

(a) Butter Fly Valves (Manual) with CI body, Stainless steel disc, nitrile rubber seal & O ring, PN 16(16 bar) Pressure rating for chilled water circulation 100 mm (50 mm insulation)

(b) Non return valve with dual plate of CI body, Stainless steel plates, vulcanised NBR seal flanged ends and PN 16(16 bar) Pressure rating for chilled water circulation, 100 mm dia(50 mm Insulation)

(c) Y type Strainer (40 mesh) of ductile Iron body flanged ends with stainless steel strainer 100 mm dia size

(d) 3 Way Mixing Valve: Supply, Install, test & commissioning of 3 Way modulating proportional linear type motorised mixing valve having manual over ride facility with proportional thermostat and wiring with 1.5 sq mm copper conductor multi core armoured cable, 3 way valve size suitable for following GPM including actuator of suitable size complete with transformer etc (aa) suitable for 77 US GPM in AHU for 80 mm pipe

Note:Proportional thermostat is included in AHU. The rated quoted by the contractor is for 3 way valve and actuator

(e) Automatic Balance Valve Wafer type to limit the flow through 3 way valve, GPM for the valve factory set to automatically limit the rate of flow with in +/- 5% of specified GPM over 95% of control range.

The automatic balance valve shall have 2 Pressure ports to read Pressure difference across the valve.The valve shall operate by means of automatic balancing stainless steel catridges with replaceable orifice plate and internal EPDM diaphragms. The pressure class of valve is PN 16(16 bar), The valve shall be complete as per specifications and as required.

The pressure head loss added to the pump head shall not exceed 2.134 M

A pressure and temperature Kit shall be provided with the ability to read differential pressure from 0-5.2 Kg/cm² and temperature from 0 to 20 deg centigrade

The valve shall be suitable for flange connection for following GPMs

Suitable for 78 US GPM(with out Pr & Temp kit) (AHU-FF)for pipe size 80 mm

PRESSURE DIFFERENTIAL SWITCH

Supply, installation & testing of water flow pressure differential switches in chilled water line 100 mm dia complete all as specified and directed.

VICTUALIC COUPLING Supply, installation & testing of Victualic coupling for connecting to Chiller100 mm dia complete all as specified and directed.

PRESSURE GAUGE & PLUG Supply & installation and testing of bourdon type Pressure Gauges 50 mm dia dial complete with fittings , isolation valve etc. complete all as specified and directed.

Supply & installation of Pressure Gauge plug complete with fittings, isolation valve etc. complete as reqd.(with out pressure gauge) for chilled water pipe complete all as specified and directed.

TEMPERATURE GAUGE Supply, installation and testing of Thermometer gauge with thermowell complete with fitting etc. complete all as specified and directed.

Supply & installation and testing of auto air vent valve with ball valve size 80 mm dia complete all as specified and directed.

Supply & installation of purging valve complete with fittings viz nipple, elbow, tee, bend, socket etc size 25 mm complete all as specified and directed.

Supply & installation of GI 'B' class Drain water piping insulated as per chiller pipe of following sizes complete all as specified and directed.:-

(a) 32 mm dia pipe(for Chiller)

(b) -do- but 32 mm dia pipe(for AHUs)

GATE VALVE Supply, installation & testing of Gate Valves complete with fiitting like nipples, elbows, tees, bends, sockets etc. of following sizes complete all as specified and directed.

(aa) 32 mm dia size for expasion tank

(ab) 80 mm dia size (for AHU)

Supply, Install, test and commision screwed plug for 50 mm chilled water pipe complete all as specified and directed.

EXPENSION TANK

Supply, install, testing and commissioning of PVC Expansion water tank for chilled water make up water 2000 ltrs. The Tank duly insulated with 50 mm thick fire retarding quality expanded polysterene of density 20 Kg/Cum and finished with sand cement plaster over chicken wire mesh and painted with 2 coats of primer and 2 coats of synthetic enamel paint of approved shade.

This Expansion water tank shall be complete with float valve, overflow, drain and make up water connection. The tank shall be connected to suction side of pump with all fittings including necessary piping duly insulated but with out any valve. The tank will be connected with make up water tank piping . Pipe used shall be measured separately.

CONDENSER SECTION

Design, supply, laying, fixing, testing and commissioning of condenser water piping with MS heavy class as per IS-1239, pipe complete with all accessories such as bends, elbows, flanges, nut-bolts, clamps, vibration isolators(but excluding valves, strainers and pressure gauges etc), The piping shall be laid overhead in plant and underground outside the plant room and out side fixed on walls etc as per site conditions

(a) The pipes are to be laid out side the building, buried in ground.The pipes shall be given 2 coats of two coats of tarfelt each having thickness of 2 mm and stick with hot bitumen.Pipes shall rest on half round rigid block resting on GI structure including excavations and refilling the trenches and providing suitable thickness 1:2:4 cement concrete pads at 3 M intervals complete (aa) 125 mm Pipe

(b) Condenser pipes to be laid with in the plant, pipes resting on half round wooden blocks, resting on steel structures are as under:-

(aa) 125mm pipe

(ab) 100 mm pipe

Note: All pipes, pipe supports,structures shall be painted with 2 coats of synthetic enamel paint over a coat of red oxide primer and lettering with white paint including marking direction of flow.

VALVES WITH CONDENSER PIPE LINE

Supply, Fixing, testing and commissioning in position following valves, strainers and gauges as follows complete all as specified and directed.

(a) Butter Fly Valves (Manual) with CI body, Stainless steel disc, nitrile rubber seal & O ring, PN 16 (16 bar) Pressure rating for 80 mm dia pipe including connecting pieces for fixing to 125 mm pipe

(b) Non return valve with dual plate of CI body, Stainless steel plates, vulcanised NBR seal flanged ends and PN 16(16 bar) Pressure rating for water circulation,125 mm dia pipe

(c) Y type Strainer of ductile Iron body flanged ends with stainless steel strainer 125 mm dia

PRESSURE DIFFERENTIAL SWITCH (d) Supply, installation & testing of water flow pressure differential switches in condenser water line 125 mm dia etc. complete as reqd.

VICTUALIC COUPLING (e) Supply, fixing, testing and commissioning Victualic coupling for connecting to condenser of size 125 mm of dia

PRESSURE GAUGE & PLUG (f) Supply & installation of Pressure Gauge plug complete with fittings , isolation valve etc. complete as reqd(with out Pressure Gauge).

(g) Supply & installation of GI 'B' class Drain water piping 25 mm dia pipe

GATE VALVE (h) Supply, installation & testing of Gate Valves complete with fiitting like nipples, elbows, tees, bends, sockets etc. 32 mm dia

(k) Supply, installation and testing of Thermometer gauge with thermowell complete with fitting etc. as reqd.

DUCT WORK SECTION:

Supplying, installing, balanncing, testing and commissioning of site fabricated GSS Sheet metal, rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter damper vanes, hangars, supports as per approved drawings and specifications of following sheet thickness complete

(a) 0.63 mm thickness sheet

(b) 0.80 mm thickness sheet

Note: (i) The duct work shall be as per IS 655. (ii) The GSS sheets for duct work shall conform to class viii with zinc coating of 120 gm/sq mtr as per ISS-277.

Supplying, fixing,testing and commissioning of supply air diffusers of powder coated aluminium with aluminium volume control dampers as per specifications with anti smudge ring and removable core complete all as specified and directed.

Supplying, fixing,testing and commissioning of return air diffusers of powder coated aluminium but without volume control dampers complete all as specified and directed.

Supplying, fixing, testing and commissioning of supply air Industrial diffusers for cooling auditorium, through broad rapid spreading of the cold air, with out drafts. The diffusers shall be jet nozzle diffuser to throw the air from height 8.9 mtr to floor. Dia of jet nozzle diffuser shall be min 125 mm. cylindrical perforated sheet jacket with deflection plate and diffuser head with integrated nozzle including a honey comb rectifier for unifying the flow pattern sizes as under (aa) CFM=3352; H(Ht of installation)=8.9 M;Diffuser fixed to Supply air duct; diffusion angle=360 deg; Make:LTG Aktiengesellschaft series industrial diffuser type DLD or Equivalent model of other makes)

Supplying, fixing, testing and commissioning of motorised combination fire & smoke dampers in supply air duct/main branch and return air duct as and where required of required sizes. The fire damper shall be motorised and spring return type so as to close the damper automatically in the event of power failure and open the damper when power is restored. The Fire & smoke damper shall be complete with electronic temperature sensor and electrically operated actuator and interconnecting wiring between AHU & dampers The fire damper shall be located in the supply / return air ducts.The control panel shall be located such that the reset can be done easily.

(a) Fire Damper

(b) Actuator with smoke/fire sensor

ACCOUSTICAL LINING TO SUPPLY AIR DUCT

Supplying and fixing Accoustic insulation for a length of 5 m from plant room, Insulation shall be carried out with 25 mm thick, 32 kg/m3, rigid bonded fibreglass covered with RP tissue. Accoustic insulation shall be stuck to inside the ducting after applying 2 coats of cold setting adhesive (CPRX Compound). The insulation is held in position with rivets or galvanised steel bolt with counter sunk heads and 25 x 25 x 1.5 mm GI plate washers at the centre to centre distance of 600mm. The insulation shall be covered with reinforced plastic tissue paper and 0.5 mm thick perforated aluminium sheet fixed to inside surface of the duct with cadmium plated nuts, bolts, stick pins complete as required and as per specifications

UNDERDECK INSULATION

Supply, Install,test and commission under deck insulation with with Resin Bonded Fibre glass wool conforming to IS:8193 and density 24 kg/m3, 60 mm thick, wrapped in 200 G Virgin polythene bags fixed to ceiling with metallic cleats(50 x 50 x 3 mm ) @60 cm centre to centre and wire mesh of 12.5 mm x 24 G wire mesh for top most ceiling of the Building. AHU room 2 Nos

ACCOUSTIC INSULATION OF AHU ROOMS

Supplying and fixing Accoustic insulation lining on wall of AHU Rooms with 50 mm thick, 32 kg/m3, rigid bonded fibreglass. Accoustic insulation shall be fixed in 610 mm x 610 mm frame work made out of 0.6 mm thick GI sheet U shaped channel and covered with reinforced fibre glass tissue paper and finished with 0.8 mm perforated aluminium sheet including aluminium beading of 25 mm wide and 1.00 mm thick fixed on all horizontal and vertical joints by means of screws etc complete as required and as specified. size of each AHU rom 6000x5000 Ht 3200

AIR HANDLING UNITS

Supply, install, test and commission Factory made Double skin Air Handling unit (AHU) as under:-. The casing panels shall be made of sandwich construction of at least 25 mm thick injected with CFC free R141b blended Poly Urethene foam insulation having density of 38-40 Kg/Cu.m and thermal conductivity of 0.02 W/m-deg K The Casing panels (inside and outside) shall be constructed of 0.6 mm thick steel sheet coated with Min. 120 gm/Sq.m galvanized Zinc(Zn) and 3% Chromate.

The outer skin shall be 0.6 mm and inner skin 0.6 mm .The panels are removable type and are fixed to the frame with self tapping screws. Labyrinth type gasket sealing between panel and frame be provided to eliminate air leakages. The entire unit shall be supported on full perimeter base frame constructed from heavy duty galvanized steel sheet.

Drain Pan shall be fabricated from 0.8 mm thick Stainless steel grade SS-304 insulated with 10 mm thick close cell cross linked irradiated FR grade Poly ethylene material. Intermediate tray is provided for stacked coils to collect the condensate from the top coil. Drain pan shall be of sufficient width and differential slope to ensure complete drainage of condensate.

The AHU shall shall be complete with filter section, mixing bag, water coil of copper tube and aluminium fins. Chilled water shall be suitable for 10 deg temperature differencial, DIDW Forward Curved Centrifugal Fan, belt driven and vibration isolators, Energy efficient motor confirming to IS 12615 suitable for 415+/- 10% volts, 50 C/S, 3 Phase AC Supply

The AHU shall be suitable for conventional floor mounting (with vibration pads) for cooling and de-humidifying the air with all accessories and controls for. The required AHUs are as under:-

(a) AHU - 10900 CFM at 75 mm wg STP. Each AHU shall comprise of

(i) Cooling Coil Rows with copper tubes (As per OEM Equipment design), 12-13 aluminium fins per inch, No of Rows in each AHU shall be 6.

(iii) Pre filter having dust Filtration capacity 90% efficiency down to 10 microns(synthetic non woven, fire retardent type suported with aluminium & HDPE mesh and generally conforming to EU-3 & EU-779 specifications)

(iv) Micro Vee filter having dust Filtration capacity 95% efficiency down to 5 microns conforming to EU-7 specifications. Magne helic gauges be provided to read pressure drop across the Filter bank.

(v) Fan section fitted with statically and dynamically balanced Forward curved blower fan DIDW type suitable to requisite static pressure with belt diven Squirrel cage, Induction Motor, TEFC, 415 V, 3 phase, 50 Hz, AC suply, class 'F' insulation. The motor shall be energy efficient confirming to IS 12615.

(vi) Electrically controlled /operater control such as humidistat ( to control humidity) and stand alone micro controller based LCD proportionate temperature controller (to control 3 way modulating mixing valve) along with all equipment and accessories including 230V/24 V class 2 transformer.

(vii) Pan type Humidistat and strip heaters to control air humidity(20-80%)

(viii) Self lubricating bearings with removable panels

(ix) Sloped bottom to collect humidification and condensed water and draining piping of sufficint size and length as per standard practice.

(x) Moisturer drop eliminators be provided in AHU to avoid carry away of water condensed.

(xi) Suitable Fire retardent canvas connection at the outlet of blower

(xii) Each AHU shall be provided with interlocking with Smoke Detectors which are being provided by another Agency.

(xiii) Each AHU shall be provided with Aluminium extruded Fresh air intake louvres with bird screen, dampers and rain protection

(xiv) Each AHU shall also be provided with (aa) Gate valve and three way mixing valve - one each (ab) Y strainer on incoming supply (ac) Automatic air vent valve (ad) drain plug with valve (Valves and other item listed above shall be measured separately

(xv) Provision of winter heating with low density finned tubular construction heating element, The heating system shall be multi stage type protected through dual controls, loss of air and manual reset high temperature control. Capacity of Strip Heaters is 28 Kw and Maximum Humidity control required in Winter is 15 Ltrs/Hr .

(ae) Manual air vent valve (af) Insertion test ports (Pressure, temperature ports with out Gauges)-3 Nos (ag) Union couplings -2 Nos(ah) 3 Way mixing valve(ah) Automatic Balance valve

The Contractor can refer to the drawing enclosed.

(xv) RCC/Cement concrete foundation including necessary vibration isolation complete as required and as specified

The cost quoted by the contractor includes all above (except Butter Fly valves, Y strainers, 3 Way Valves and Automatic balance Valve and Chilled water pipe which will be paid under relevant items of Sch 'A'. However the connections, dove tailing, testing and commissioning of AHU as a whole is included in the rate quoted for AHU).

Notes:-Refer drawing enclosed for AHU

(ii) A drawing showing piping connections, valves and fittings is also enclosed

(iv) (a) Contractor shall also submit Total static pressure of the system(Internal and external) to verify the adequacy of Static Pressure of Fan.

(iv) (b) In case of variation in static pressure(more than that specified in Schedule) financial adjustment will be made to the Contractor through a Deviation order

(v) Slight variation in specification from make to make are acceptable

MISCELLANEOUS ITEMS

Supply & Fixing of Schematic diagram of plant details on a luminous Flourescent sheet as directed by Engr-in-charge

S&F First Aid Box complete all as specified and directed.

Provision of fire stand of suitable size made out of MS angle iron/channel and painted with 2 coats of synthetic enamel P.O red over a coat of red oxide primer and lettering with white paint including and providing the following complete all as specified and directed.

(a) Galvanised MS fire bucket 14 liters capacity

(b) Portable fire extinguisher CO2 type 3 kg capacity

ELECTRIC SUPPLY

(a) Incomming : MCCB 315 Amps 4 Pole 50 KA-01 No

(b). Outgoing MCCB TPN 160 Amp - 3 No ( One for each Chiller)

(c) MCB TPN 20 A Amp - 3 Nos( One for each condensor pump)

(d) MCB TPN 20 A Amp - 3 Nos( One for each chiller pump)

(e) MCB TPN 100 A --2 Nos for AHU room

(f) MCB TPN 20 Amp - 2 Nos ( One for cooling tower and another is spare)

(j) MCB 20 A SP 1 No for light DB

(k). LED based indicator lamp sets comprising of three colours - 06 sets.

(n). Ammeter 0 -100 Amps, Digital display, flush mounted 96mm square 3 phase 4 wire with slector switch including CTs of required capacity - 03 sets for chiller .

(o). Ammeter 0 -100 Amps, Digital display, flush mounted 96mm square 3 phase 4 wire with slector switch including CTs of required capacity - 02 sets for Hot water generator .

(p) Single phasing preventor 1 No on incoming supply

(q) Star delta startor on each chiller and DOL starter on each pump shall be provided

(a) Incomming : MCCB TPN 100 Amps -01 No

(b). Outgoing MCB TPN 20 Amp - 1 Nos (For blower fan)

(c) Outgoing MCB TPN 50 AMP for strip heater 2 Nos

(d). LED based indicator lamp sets comprising of three colours - 02 sets.

(e ) MCB TPN for strip heater for winter heating 50 AMP - 1 No

(j) one star delta / Dol starter for AHU motor 1 Nos

S&F Rubber Mat 2.0 mm thick, one meter wide, two meter long tested for LT voltage 1100 volts complete all as specified and directed.

Supply, fix cable tray of size 200 x 50 mm , 1.2 mm thick perforated type powder coated with coupler plates all as specified.

Supply, fix, erect, fabricate supporting structure for condensor / chilled water pipe, cable tray inside plant room and out side plant room With angle iron, flats, MS pipe of suitable sizes, nut bolt washers etc Necessary welding work involved is also deemed to be included in quoted rate complete all as specified and directed.

Internal Electrification

Supply and fix metal flush mounting box of 6 module complete all as specified and directed.

Supply and fix MCCB 125 Amp, 25(Ics=Icu) KA breaking capacity 4 pole, 415V complete all as specified and directed.

Supply and fix MCB TP 40 Amp, 415V complete all as specified and directed.

Supply and fix MCB SPN, 32 Amp, 240V complete all as specified and directed.

Supply and fix MCB SP, 10 to 32 Amp, 240V complete all as specified and directed.

Supply and fix modular switch 1 way 20 A, 1 module with indicator complete all as specified & as directed.

S.G.ENGINEERING COMPANY

M/s. Shiva Engineers

JASRAJ AND COMPANY

Jagdish Prashad and Company

M/s Mohata Buildcon