SITC of high side and low side Air-conditioning system, Ventilation system and compressed air system at Rawatbhata-323303, Rajasthan

Amount

Screw Chiller: Design, manufacturing, shop testing, supply, installation, testing and commissioning of water cooled screw chiller of 200 TR (minimum) capacity having dual compressor complete with condenser, evaporator, microprocessor based control panel, compressor motor, motor starter with MCCB etc. as per technical specification; Location: Chiller room

Cooling Tower: supply, installation, testing and commissioning (SITC )of induced draft counter flow FRP cooling towers, Flow - 464 m³/hr & Range: 6°C, complete with FRP sump and panels for casing, PVC fills, PVC eliminators, sprinkler, fan, motor, drain, over flow, counter flanges, canopy for rain protection for fan motor, make-up water connection with float valve, bird screen etc as per technical specification, Location: Terrace 10.35 m level

Pump Set: SITC of centrifugal pump along with VFD compatible IE3 motor of suitable rating along with base frame, vibration isolator etc as per technical specification

Condenser water pump set :horizontal split casing, VFD compatible IE3 motor,Flow - 138 m³/h, Head - 29 m wc ; Location: Chiller room

Cooling water pump set: horizontal split casing, Flow - 108 m³/h, Head - 31 m wc

Chilled water pump set : horizontal split casing, Flow - 132 m³/h, Head, - 16 m wc ; Location: Chiller room

Chilled water booster pump set for AHU: horizontal split casing, Flow - 88 m³/h, Head, - 23 m wc ; Location: chiller room

Chilled water booster pump set for process: horizontal split casing, Flow - 44 m³/h, Head, - 22 m wc ; Location: Chiller room

Vertical inline make up water pump along with suitable motor, base frame, flow capacity 1.20 m3/h, head 58m etc. . Location 10.35m lvl

Raw water pump (Vertical inline) of capacity 10 m3/hr at 20 m wc head.

Expansion tank: Supply, fabrication, testing & commissioning of GI body chilled water expansion tank with support & all the accessories as per technical specification Location: 58m lvl

Air Washer Units : Supply, installation, testing and commissioning of floor mounted air washer unit complete with double skin panel of thickness 45mm, cellulose pad, arrary of EC fans, pre-filters, PVC drift eliminator, SS sump, suitable capacity monoblock pump, PVC piping, nozzles along with necessary fittings and accessories as per tender specifications of following capacities. Location: Push type blower room

31300 cfm, 66 mm static pressure

73100 cfm, 84 mm static pressure

Control panel : SITC of electrical power and control panel for Air washer Units (item no 5.0) with cable termination as per tender specifications. Location: Push type blower room

Suitable for item no 5.1 ( air washer #1)

Suitable for item no 5.2 ( air washer #2)

Centrifugal Exhaust Blower :Supply, installation, testing and commissioning of centifugal blower of SISW design, upblast type with VFD compatible IE3 motor of following capacities along with necessary fittings and accessories as per tender specifications. Location: Pull type blower room

2400 cfm, 50 mm static pressure

39700 cfm, 65 mm static pressure

Vane axial Exhaust fans: Supply, installation, testing and commissioning of vane axial fan of 18100 cfm, 65mm static pressure, VFD compatible IE3 motor, vibration isolators, necessary fittings and accessories as per tender specifications. (fan installation at 60 m height)

Recirculatory Air Handling Units ( AHUs): Design, manufacture, supply, installation, testing and commissioning of AHU with 45 mm thick PUF injected (CFC free) double skin panel made of Stainless steel inner skin and PPGI outer skin complete with pre filter section, CHW cooling coil, fan section with backward/ forward curved impeller fan, belt driven, IE3 motors, PVC eliminator, canvas, vibration isolators, dampers of the following capacities as per tender specifications.

5200 cfm, 13TR, 59 mm static, twin Blower with individual motor 2x100% ( 1Working + 1 standby) Location: GF AHU room

8000 cfm,19TR, 69 mm static, twin Blower with individual motor 2x100% ( 1Working + 1 standby) Location: GF AHU room

6600 cfm, 16TR, 63 mm static, twin Blower with individual motor 2x100% ( 1Working + 1 standby) Location: FF AHU room

15800 cfm, 38TR, 71 mm static, twin Blower with individual motor 2x100% ( 1Working + 1 standby) Location: FF AHU room

6300 cfm, 15TR, 55 mm static, Blower with motor 1x100% Location: AHU for Conference room

Once through Air Handling Unit ( AHU) : Design, manufacture, supply, installation, testing and commissioning of AHU with 45 mm thick PUF injected (CFC free) double skin panel made out of Stainless steel inner skin and PPGI outer skin complete with pre filter section, CHWcoil (23TR) and Dx cooling coil (16.5 TR) in series( for air path), fan section with backward curved blade, belt driven, IE3 motors, PVC eliminator, canvas, vibration isolators and dampers. AHU shall be of the 5000 cfm flow capacity, 74 mm static, Blower and motor 2x100% working (1 working & 1 standby) as per tender specifications. Location: FF AHU room

Air Cooled Condensing Units: Supply, installation, testing & commissioning of air cooled condensing units suitable for Dx coil of 16.5TR cooling capacity (for item 10 ) along with power and control panel and complete with cable termination, environment friendly refrigerant and all the required accessories as per tender specifications. Location : Terrace.

Refrigerant pipe with insulation: Supply, installation, testing and commissioning of copper piping of size suitable for Air condensing unit (item no.11.0) insulated with 19 mm thick closed cell elastomeric complete with support and required accessories as per tender specifications. (quantity for single run )

Inline Fan: Supply, installation, testing and commissioning of In-line fan of 2750 CMH capacity complete with starter panel, vibration isolators, necessary fittings, support and accessories as per tender specifications. Location : HT panel room

Bellows :Design, SITC of Bellows with counter flange and suitable accessories at discharge of following pumps as per tender specifications (i) 200 NB Primary chilled water pumps (2 nos) (ii) 200 NB condenser water pumps( 2nos) (iii) 150 NB booster pump AHU(2 nos), process( 2nos),iv) on duct of 450mm dia, location (i,ii,iii) chiller room & (iv) stack connection

GI Duct: Fabrication, supply, installation, testing and commissioning of G.I duct of following thickness along with necessary fittings and required accessories etc. as per tender specifcation.

SS Duct : Fabrication, supply, installation, testing and commissioning of Stainless steel duct for ventilation system of following thickness along necessary fittings, required accessories etc. and as per tender specifcation .

3mm thick SS Duct: Fabrication, supply, installation, testing and commissioning of Stainless steel duct (rectangular or circular) of 3mm thickness complete with welding, leak test and DP test etc as per tender specification. Location : Fume hood duct

G.I Volume control dampers : Supply, installation, testing and commissioning of manual opposed blade multilouvered GI damper along with necessary fittings, accessories as per drawings and tender specifications. Location: AC ducts

SS volume control dampers : Supply, installation, testing and commissioning of manual multi-louvered stainless steel volume control dampers along with necessary fittings, accessories as per tender specifications. Location:Ventilation duct

Motor operated Damper: Supply, installation, testing and commissioning of opposed blade multi-louvered, low leakage, Stainless steel volume control damper with electric actuator complete with required accessories as per technical specification Location: Pull type blower room

SS Back draft Damper: Supply, installation, testing and commissioning of Stainless steel multi-louvered Back draft damper at fan discharge along with necessary fittings, accessories as per enclosed tender specifications. Location: centrifugal fan discharge, vane axial fan discharge

GI Back draft Damper: Supply, installation , testing and commissioning of GI multi-louvered Back draft damper along with necessary fittings, accessories as per enclosed tender specifications. Location: AHU blower discharge

Fire damper : Supply, fixing and testing of GI Fire dampers of fusible link type along with necessary fittings, accessories as per tender specifications. Location: On AHU duct

Air Diffusers: Supply, fixing, testing & balancing of following aluminium powder coated, multicone square diffusers complete with necessary fittings accessories as per tender specifications. Location as per drawing.

Supply diffusers with collar damper

Return diffusers without collar damper

Grills: Supply, fixing, testing and balancing of powder coated aluminium extruded sections flanged type grills with collar damper along with necessary fitting and accessories as per tender specifications. Location as per drawings.

Linear Continuous Grills: Supply, installation, testing and balancing of powder coated aluminium linear continuous grill of extruded sections with top and bottom flange as required as per tender specifications. Location: HP room, Shift I/C room, control room.

Air Jet Nozzle: Supply, Fixing , testing & commissioning of aluminium powder coated supply air nozzle of 400mm size having collar dampers along with necessary fittings and accessories as per tender specifications. Location as per drawing.

Piping: SITC of ERW hot-dip galvanized GI piping (as per IS 1239 & IS 3589) including all required accessories like flanges, blind flanges, counter flanges, elbows, reducers, tees, GI nut-bolts, gaskets and DP test etc as per drawing & technical specification:

355.6mm OD and 8 mm thick Location: terrace (CT)

273mm OD and 6.3 mm thick Location: terrace (Condensor and plant 2&3 combine)

219.1mm OD and 6.3 mm thick location chiller room,shaft, terrace

150 NB Heavy class, Location: Plant 2&3 CW pump, terrace, drop near plant 2&3 corridor first floor

100 NB Heavy class, Location: terrace to and from plant 2&3

80 NB Heavy class

65 NB Heavy class

50 NB Heavy class, Location: Terrace for plant 1 CHW, make up water tank to and from up to return header at terrace, make up water to sump of cooling tower

40 NB Heavy class

25 NB Heavy class

Gate valve: SITC of cast iron non-rising stem gate valve of following sizes along with counter flanges, nut bolts, washer, gasket, etc as per technical specification:

200 NB motorized valve with electric actuator

Globe valve: SITC of cast iron rising stem globe valve for flow control of following sizes along with counter flanges, nut bolts, washer, gasket, etc as per technical specification:

Non return valve: SITC of cast iron reflux type check valve of following sizes along with counter flanges, nut bolts, washer, gasket, etc as per technical specification:

Butterfly Valve :Supply, installation, testing & commissioning of flanged type CI butterfly valves with counter flange for following pipe sizes complete with nut bolts, washer, gasket, etc as per technical specification

Ball valve: SITC of SS304/SS316 ball valve with counter flange, nut bolts, washer, gasket etc of following size as per technical specification

Air release valve: SITC of DN 25 brass air release valve for water piping as per technical specification

Electromagnetic flow meter: SITC of electromagnetic flow meter of following sizes along with counter flanges, nut bolts, washer, gasket, etc as per technical specification:

Control valves: Supply, installation, testing and commissioning of two-way control valves of globe type of following sizes along with actuator, sensors, gaskets, nut bolts,control wiring , necessary fittings and accessories etc as per tender specifications.

Y-strainer: SITC of cast iron Y-strainer of following sizes along with counter flanges, nut bolts, washer, gasket, etc as per technical specification:

Insulation: Supply & application of close cell nitrile rubber insulation of following sizes as per technical specification:

19 mm thick

25 mm thick

GC Cladding: Supply & application of 200 GSM woven glass fiber cloth cladding as per technical specification

Al Cladding: Supply & application of Al cladding for UV protection as per technical specification

Acoustic insulation in duct: Supply & fixing of 19 mm thick Nitrile rubber based open cell acoustic lining with self-adhesive tape on one side for ducts and plenum along with suitable adhesives, fittings, accessories as per tender specifications. Location as per drawing.

Underdeck Insulation: Supply & installation of 32 mm thick closed cell nitrile rubber insulation material along with suitable fittings, aluminium tape, adhesive and necessary accessories as per tender specifications.Location as per drawing.

Flow measuring station : Supply, installation and testing of flanged SS airflow measuring station with anodized Aluminium probe sensor complete with flow transmitter and display for following approx. size of duct as per tender specification. Location : Header of pull type fan

1875 x 1200 mm (W X D)

1950 x 1200 mm (W X D)

Averaging Pitot tube: Supply, installation and testing of averaging pitot tube complete with tramsmitter, display and mounting arrangement for following size of duct as per tender specification.

2100X 900mm (W X D)

1250 X 650mm (W X D)

2010 x 825mm (W X D)

1125 X 775mm (W X D)

730X475 mm (W X D)

RTD: SITC of RTD type digital thermometer with transmitter complete with wall mounted display along and SS thermo well as per technical specification

Temperature and RH sensor: Supply, installation and testing of Combined temperature and humidity duct sensor with wall mounted display as per tender specifications. Location :On AC/ airwahser duct

Pressure gauge: SITC of SS body 150mm dia glycerin filled dial type pressure gauge of following range with SS syphon tube & SS needle valve as per technical specification

-1 to 3.0 kg/cm2 (Compound pressure gauge)

Magnehelic gauges : Supply, installation and testing of magnehelic gauges of 0-50 mmwc range to measure DP across filters, coil or both as per tender specifications. Location: On AHU

Split AC units : Supply, installation, testing & commissioning of split AC of 1.5 TR nominal capacity and accessories as per tender specifications

Copper pipe with insulation :Supply and installation of Copper pipe with insulation suitable for 1.5 machine (quantity for single run )

Electric cable:Supply and installation of Electrical wiring/cables of three/four core x 2.5 mm² (or as per split AC requirement for item no 50)

Casing capping : Supply and installation of PVC casing-capping of following cross sectional size as tender specification. Location : for AC pipe and drain

150mm x 50mm

100mm x 50mm

Drain pipe: Supply and installation of PVC drain pipe with insulation of following size as per tender specification. Location: AC drain

Braided flexible pipe of 5/8 inch dia

Rigid PVC drain pipe of 1 inch dia

Logic controller : SITC of Logical controller ( for item no 50) with timer as per tender specification. Location : PPS room, networking room

FCU: Supply, installation, testing and commissioning of chilled water, high wall mounted type fan coil units of 1.5TR cooling capacity along with built in control valve, strainer, remote control , necessary fittings and accessories as per tender specifications . Location chiller control room

Exhaust fan: SITC of propeller type exhaust fans of heavy duty metallitc blade type of following sweep dia ( approx.) along with all accessories and fixture as per tender specifications. Location as per drawing

Wire mesh : Supply and installation of SS 304 wire mesh with suitable S.S flange to cover the duct end complete with all necessary fittings as per tender specifications. Location: HP room, Shift I/C room, AHU room Fresh air duct, control room

Flexible joint: Supply, installation and testing of flexible Joints made out of fire retardant fabric with extruded GI frame/ flange on both sides as per tender specifications.

Structural steel (S.S. Item) :Design, supply, fabrication & installation of supports and reinforcement for duct as per site requirement including cutting, drilling,welding etc. and as per tender specifications. Location: SS duct

Structural steel (GI item): Design, Supply, fabrication & installation of GI (galvanized iron) structural steel supports for various equipment, pipes, ducts as per technical specification

Structural steel (M.S. Item) :Design , Supply, fabrication & installation of M.S(mild steel) structural steel supports for various equipments, pipes, ducts as per technical specification

Painting: Painting of pipeline/ structures of various sizes with two coats of etch primer & two coats of synthetic enamel paint after thorough cleaning of base pipe/structure as per technical specification

Wall Opening: Providing opening in brick wall for ducts, pipes , cable passage and closing the gaps with suitable and approved method as per tender specifications.

Instrument for Testing and air balancing of system : Supply and installation of instrument for testing and commissioning of low side system namely Hot wire Anemometer, Vane type Anemometer, ball point micrometer, vibration meter, Multimeter, Tachometer, Noise level (db meter ), dial gauge, clamp meter, Infrared thermometer, Sling type psychrometer etc, as per technical specification

Air Compressor: SITC of Air cooled, rotary oil injected screw type air compressor to suit 120 scfm (Free air delivery) capacity at 9.5 Kg/cm2 g complete with gear driven motor, starter, after cooler, air intake filter, air intake valve, start / stop control, control panel, inter connecting piping, air oil seprator filter and other standard accessories etc. as per specifications. location: Utility room

Oil free Rotary type air compressor: SITC of Air cooled, rotary type oil free air compressor suitable to deliver minimum 25 scfm (free air delivery) at 4 Kg/cm2 g delivery pressure complete with gear driven motor, starter, after cooler, air intake filter, air intake valve, start / stop control, control panel, inter- connecting piping, and other standard accessories etc. as per specifications. Location: Utility room

Design of Air receiver :Detailed Designing of air receivers with complete GA and fabrication drawings (for item no 69 and 70).

Air Receiver: SITC of 2 Nos. of Vertical type air receiver of 3 cubic metre capacity for instrument air along with all standard fittings, flanges, pressure safety valve, automatic drain valve, pressure switch, interconnecting piping with valves for connecting air receivers, supporting structure, foundation bolts DP test of weld joints etc. as per tender specification

Air Receiver : SITC of Vertical type air receiver of 1 cubic metre capacity for breathing air along with all standard fittings, flanges, pressure safety valve, automatic drain valve, pressure switch, interconnecting piping with valves for connecting air receivers, supporting structure, foundation bolts, DP test of weld joints etc. as per tender specification

Filters for instrument Air: Supply , installation and testing of air filter of following type and as per tender specification.Location : Utility Room

High voidage porous air prefilter suitable to handle 120 scfm at 9.5 kg/cm2g pressure for filtration of dust particles down to 1 micron & removing oil aerosol & liquid water content to 0.5 ppm. The filter unit shall have suitable inlet / outlet connections and automatic drain valve and pressure drop gauge indicating chocking of filter element

High voidage, high efficiency porous filter suitable to handle 120 scfm at 9.5 kg/cm2g pressure for filtration of particles down to 0.01 micron & removing oil aerosol & liquid water content to 0.01 mg/m3. The filter unit shall have suitable inlet / outlet connections and automatic drain valve and pressure drop gauge indicating chocking of filter element

Activated carbon filter for adsorption of hydrocarbon odour and oil vapours. Filter shall be suitable for 120 scfm air at 9.5 kg/cm2g pressure with a max. remaining oil content of 0.005 mg/m3. The filter unit shall have suitable inlet / outlet connections and automatic drain valve and pressure drop gauge indicating chocking of filter element

Filters for breathing air : SITC of air filter for breathing air (combination to be such as to insure the output quality of compressed as Grade D as described in OSHA standard 29 CFR) and as per tender specification

High voidage porous air Prefilter suitable to handle 25 CFM free air at 4 kg/cm2g pressure for removing particles down to 1 micron including coalesced liquid water, oil with max. oil content of 0.6 mg/m3 at standard conditions at filter discharge and pressure drop gauge indicating chocking of filter element

High voidage, high efficiency porous filter suitable to handle 25 CFM free air at 4 kg/cm2g pressure for filtration of dust particles, water droplets, oil aerosols down to 0.01 micron particle providing max. remaining oil aerosol content of 0.01 mg/m3 . The filter unit shall be complete with inlet / outlet connections, automatic drain trap and pressure drop gauge indicating chocking of filter element arrangement at standard conditions at filter discharge.

Activated carbon filter for adsorption of hydrocarbon odour and oil vapours for breathing air application. Filter shall be suitable for 25 CFM free air at 4 kg/cm2g pressure with max. remaining oil content of less than 0.005 mg/m3 at standard conditions.The filter unit shall be complete with inlet / outlet connections, automatic drain trap and pressure drop gauge indicating chocking of filter element arrangement at standard conditions at filter discharge.

Air Dryer: SITC of Dessicant type air dryer with heater blower regenerated dryers suitable for inlet air quantiy of 120 scfm, inlet air pressure of 9.5kg/cm2g, max. inlet air temperature of 50 °C, Ambient temperature : Max 50°C , outlet air pressure dew point of -40 °C as per tender specification

Air filter regulator : SITC of Prefilter cum pressure regulator unit, with 1/2" BSP threaded inlet & outlet connection, polycarbonate/metal bowl, with sintered bronze filter element, auto drain together with ultraire filter model of same specs with extended filter element, auto drain, etc complete with pressure gauge and all standard accessories. The filter unit assembly shall be designed for max. compressed air flow rate of 25 SCFM, to be installed in 15 mm dia tapping line before each manifold. Pressure regulator shall be designed for inlet pressure of 50 psi and outlet pressure of 15 psi. Ultraire filter shall have efficiency of 99.9% or better for oil mist removal and as per tender specification

SS breathing air manifold: SITC of Breathing air manifold comprising of 15 mm dia SS pipe along with 2 nos. of 10 mm size tappings equally spaced on 15 mm dia line complete with check valve quick fix coupling arrangement suitable for pressure conforming to relevant SAE standard on individual tapping as per tender specification

SS Pipe: SITC of S.S. 304 L Schedule 10 S piping including gaskets, bends, reducers, accessories / hardware , fitting and DP test of weld joint of followings sizes and as per tender specification :

80 mm dia.

40 mm dia.

15 mm dia.

Breathing air kit : Supply of breathing air kit including breathing air hose for quick coupling and decoupling with manifold tapping, breathing half face mask as per tender specifications.

Excavation by mechanical/manual means in rock /hard soil upto depth 0-1.5 m as per tender specifications.

RCC pedestals: Providing and laying Design-Mix Reinforced Cement Concrete foundation (200mmX300mmX500 mm height approx.) at 3m interval of M-20 by weight batching using graded stone aggregate of 20 mm maximum size including mechanical mixing and vibration, consolidation, finishing, curing , dewatering etc. as per tender specifications.

Pressure Switches : SITC of Pressure switch as per tender specification

Electric Panel : SITC of electrical panel (Out door type) for raw water pump (item no 3.7 )as per tender specifications

Push button stations: SITC of Push button stations (Out door type) as per tender specifications

Cable: SITC of cable and its termination of following size as per tender specification

10C, 2.5sqmm control cable

4C, 2.5sqmm copper armoured cable

8 SWG Bare copper wire

End Termination of 4C, 2.5sqmm copper Cable

End Termination of 10C, 2.5sqmm copper Cable

HDPE pipe : Supply and installation of HDPE pipe of 50mm (OD) and 42mm (ID) as per tender specifications

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