Ventilation and Air Conditioning works for Office building at Plot No. IP-3, Sector 3, Panchkula. Recall

Amount

CHILLER SYSTEM Supply, installation, testing and commissioning of screw type chilled water pacakged refrigerant machine complete with screw compressor operated on 415 +- 10% volts, 3 phase, 50 Hz. AC supply: water cooled condenser, vibration, isolators, integral refrigerant piping and wiring, all required accessories, automatic & safety controls, unit mounted advanced microprocessor based control panel and BMS compitable. The machine must unload till 25% even at constant condenser water entering temperature of 90 Deg.F. The chilling machine shall be ASHRAE 90.1.2013 Compliant for performance. The scope of work shall also include Lifting, shifting & positioning of chiller at location shown on drawing. Compressor rotor screw type, semi hermatic complete with factory fitted unit mounted VFD with harmonic filters to supress THDi and THDv to less than 5%, safety switches, forced feed lubricaiton system etc. as per specifications. The COP should be as per ECBC. 1 no. matching shell and tube water cooled condenser and integrally finned copper tubes. Chiller shell should be ASME certified. 1 lot - refrigerant piping fittings, valves and accessoires to inter connect compressor, condenser, chillers and expansion valve etc. 1 set - Microprocessor based control panel with coloured graphical display complete with accessories as per specifications. Controls shall be suitable for hookup to BMS with Bacnet/Modbus as per specifications. Supply, Unloading,Shifting & Installation of screw type VFD operated water chilling machines completely factory packaged including evaporator, condenser, sub-cooler, compressor, motor, lubrication system, flow switches, microprocessor based control panel, all interconnecting refrigerant piping and wiring, initial charge of oil and refrigerant R-134a/R-407c complete in all respects and duly painted in approved colour, complete in all respects as per specifications and drawings. Lot - Refrigerant line accessories comprising of safety valves, angle valves, liquid line indications, liquid level control etc. Lot - Frame work for monting the above condenser, chiller compressor and motor with base plate complete with antivibrations pads/springs. Lot - initial/first charge of refrigerant gas 134A and compressor oil duly charged at factory itself. Chiller: Actual capacity at following conditions - 130 TR, Chilled Water in - 54 Deg F, Chilled Water out - 44 Deg F, Pressure drop - 20 ft , Fouing Factor - 0.0005 FPS Condenser: Condenser water in - 90 Deg F, Condenser water out - 97.5 Deg F, Pressure drop - 20 ft , Fouling factor - 0.001 FPS, IPLV < 0.43 kw/TR. NS COP at AHRI conditions > 5.6 (NS)

PUMPING SYSTEM. CHILLED WATER CIRCULATION PRIMARY PUMP. Supply, Installation, testing & commissioning of Variable Primary Chilled Water pumps as per specification including all accessories as specified and as required Horizontal End Suction, Centrifugal single stage, foot mounted volute type radial split casing,top discharge with back pull out design primary chilled water pumps set complete with, CI casing, Bronze impeller, SS shaft, mechanical seals and close coupled with sub shaft arrangement with electric motor for re-circulation of chilled water. The pump motor shall be TEFC squirrel cage induction motor having efficiency class IE3 (as per IS 12615) with class 'F' insulation, 1500 RPM synchronous speed, operating on 415 V +/- 10%, 3 phase, 50 Hz AC supply. The motor shall be non- overloading type. Pumps will be with performance characteristics as given below. The pump and motor shall be mounted on a common base plate. All external and exposed cast iron parts of pumps should have an epoxy-based coating made in a cathodic electro-deposition (CED) process. Pump set shall be complete with thermal insulation same as chilled water pipes, aluminium cladding at suction and discharge, necessary anti vibration pads, MS base plate, coupling guard, and all other accessories complete as required.Pump material and operating conditions are given here under: Pump minimum hydraulic efficiency should be more than 75% NS Capacity : 312 USGPM and 15 meters head (2 Working+1 Standby)

VARIABLE SPEED DRIVE FOR PRIMARY CHILLED WATER PUMPS NS Dedicated micro processor based pump logic controller UL listed - designed for Variable Primary Chilled water pumping with parallel pumping software duly downloaded, compatible with Modbus communication, 4.3 inch touch display, provision to connect 4 nos of temperature transmitters for controlling primary pumps, as per follwoings. Variable Frequency Drive with Hand-off /Auto macro designed for pumping application (3 nos) Parallel Pumping software duly downloaded pump controller (1 no) Panel suitable for outdoor installation with canopy (IP 55) panel (1 no) Temperature transmitters for Variable primary pumps with suitable thermowells (4 nos)

VARIABLE AHU COIL PUMPS The pumps shall be compact, single stage, in-line suction and discharge ports of identical diameter with integrated differential pressure sensor and temperature sensor at casing. Pump shall be fitted with a 1-phase, synchronous, permanent-magnet motor. Motor shall Include a frequency converter and PI controller in the motor terminal box. The circulator pump shall be energy-optimised and comply with the EuP Directive (Commission Regulation (EC) No 641/2009), the average energy efficiency index (EEI) shall less than or equal to 0.18. EEI to be obtained according to EN 16297. Pump Casing shall be EN 1561 EN-GJL-250 Grey Cast Iron and capable of withstanding to the maximum pressure developed by the pump. Pump housing and pump head shall be of Cathodic electrocoated (epoxy) process.The impeller shall be polyether sulfone composite (PES) to obtain the optimum hydraulic efficiency and energy efficiency.Motor shall be with IP 44 enclosure and shall be suitable for operation on 200-240 V (± 10% variation), 50Hz ± 5%, 1 phase AC supply. Pumps shall have an integrated frequency convertor and a PI controller incorporated within the motor terminal box. Integrated controller shall be supplied with TFT (Thin Film Transistor) interface for controlling and display of pump info. Pump integrated controller should perform the following control modes. 1. Proportional- pressure control. 2. Constant-temperature control (capable of directly connecting to off-coil temperature sensors in air ducts) Sound pressure level of circulator pumps shall be less than 43 dBA according to EN ISO 4871 Pump design Parameters shall be as follows: NS AHU Coil Pump - 35 Usgpm

NS : AHU Coil Pump - 7 Usgpm

NS : TFA Coil Pump - 28 Usgpm

NS : FCU's & CASSETTE's Coil Pump - 106 Usgpm

CONDENSER WATER PUMPS Supply, Installation, testing & commissioning of Condenser Water pumps as per specification including all accessories as specified and as required Horizontal End Suction, Centrifugal single stage, foot mounted volute type radial split casing,top discharge with back pull out design primary chilled water pumps set complete with, CI casing, Bronze impeller, SS shaft, mechanical seals and close coupled with sub shaft arrangement with electric motor for re-circulation of chilled water. The pump motor shall be TEFC squirrel cage induction motor having efficiency class IE3 (as per IS 12615) with class 'F' insulation, 1500 RPM synchronous speed, operating on 415 V +/- 10%, 3 phase, 50 Hz AC supply. The motor shall be non- overloading type. Pumps will be with performance characteristics as given below. The pump and motor shall be mounted on a common base plate. All external and exposed cast iron parts of pumps should have an epoxy-based coating made in a cathodic electro-deposition (CED) process. Pump set shall be complete with thermal insulation same as chilled water pipes, aluminium cladding at suction and discharge, necessary anti vibration pads, MS base plate, coupling guard, and all other accessories complete as required.Pump material and operating conditions are given here under: Pump minimum hydraulic efficiency should be more than 75% NS : Flow rate 560 USGPM and 25 METER head (2W+1S)

COOLING TOWER Supply, installation, testing and commissioning of FRP induced draught cross flow type cooling towers each complete with FRP basin having and auxiliary rectangular suction tank at the bottom. The basin shall be complete with connections for drain, overflow, makeup water, quick fill and float valve, plus hot dipped galvanised suction strainer FRP body, of sufficient strength to with stand wind velocities upto 60 m/s, vibrations and earth quakes, fan and motor assembly conforming to IP-55, protection for outdoor operation fill media of honeycomb design arranged in the suitable pattern for ease of replacement, distribution pipes consisting of spray type arrangement on top of the main supply standby, overflow pipe, ladder, vibration isolation pads, cables, controls etc. As per specifications and drawing. NS : 160 TR Induced draft Cooling tower (HVAC Application)

CEILING SUSPENDED AIR HANDLING UNITS Supply, Shifting, installation, testing & commissioning of double skin ceiling suspended air handling units having outer skin 0.6mm thick pre coated GSS & Inner skin of 0.6mm thick Aluzinc .The AHU shall be consisting of fan section with imported fan of motor, motor mounting arrangement, belt driven system, coil section with coil, filter section with filters, 18 gauge SS drain pan, spring type of vibration isolators etc., complete as per specifications. NS : CS-AHU-1, Calc. cooling capacity 14.4 TR, Calc CFM 5313, Static 15mm WG

NS : CS-AHU-2, Calc. cooling capacity 3.0 TR, Calc CFM 1431, Static 15mm WG

NS : CS-AHU-3, Calc. cooling capacity 11.9 TR, Calc CFM 6106, Static 15mm WG

NS : CS-AHU-4, Calc. cooling capacity 12.4 TR, Calc CFM 5674, Static 15mm WG

NS : CS-AHU-5, Calc. cooling capacity 8.0 TR, Calc CFM 3716, Static 15mm WG

NS : CS-AHU-6, Calc. cooling capacity 7.4 TR, Calc CFM 3172, Static 15mm WG

NS : CS-AHU-7, Calc. cooling capacity 6.2 TR, Calc CFM 2929, Static 15mm WG

NS : CS-AHU-8, Calc. cooling capacity 11.2 TR, Calc CFM 5238, Static 15mm WG

NS : CS-AHU-9, Calc. cooling capacity 12.7 TR, Calc CFM 5921, Static 15mm WG

NS : CS-AHU-10, Calc. cooling capacity 8.6 TR, Calc CFM 3980, Static 15mm WG

NS : CS-AHU-12, Calc. cooling capacity 8.0 TR, Calc CFM 3891, Static 15mm WG

NS : CS-AHU-13, Calc. cooling capacity 7.0 TR, Calc CFM 3322, Static 15mm WG

NS : CS-AHU-14, Calc. cooling capacity 7.5 TR, Calc CFM 3645, Static 15mm WG

NS : CS-AHU-15, Calc. cooling capacity 8.2 TR, Calc CFM 3631, Static 15mm WG

NS : CS-AHU-16, Calc. cooling capacity 4.9 TR, Calc CFM 2432, Static 15mm WG

NS : CS-AHU-17, Calc. cooling capacity 8.9 TR, Calc CFM 4146, Static 15mm WG

NS : CS-AHU-18, Calc. cooling capacity 8.6 TR, Calc CFM 4381, Static 15mm WG

NS : CS-AHU-19, Calc. cooling capacity 11.0 TR, Calc CFM 5449, Static 15mm WG

NS : CS-AHU-20, Calc. cooling capacity 5.9 TR, Calc CFM 2744, Static 15mm WG

NS : CS-AHU-21, Calc. cooling capacity 11.4 TR, Calc CFM 5357, Static 15mm WG

HYDRONIC FAN COIL UNITS Supplying, installing, testing and commissioning of factory built, cabinet type, horizontal ceiling mounted , flat belt/ direct driven Fan Coil Units complete with factory fabricated chassis, housing various components like centrifugal blower, three-speed squirrel cage induction motors operating at 1 phase/ 50 + 5% Hz/ 230 + 10% volts/ 3 wire AC supply, chilled water cooling of copper tubes and aluminium fins, filters, etc. as per technical specifications. Each FCU shall be complete with casing, filter box complete with synthetic fiber filters, cooling coil, fans, 3-speed motors, Insulated drain pan, flexible connection, drain pipe connection, corded remote control with wiring and BMS compatibility for 3 speed remote operation complete as per specs NS : FCU-1, Calc. cooling capacity 2.5 TR, Calc CFM 1250

FCU-2, Calc. cooling capacity 1.6 TR, Calc CFM 806

FCU-3, Calc. cooling capacity 1.5 TR, Calc CFM 737

FCU-4, Calc. cooling capacity 2.0 TR, Calc CFM 1031

FCU-5, Calc. cooling capacity 2.0 TR, Calc CFM 1033

FCU-6, Calc. cooling capacity 1.6 TR, Calc CFM 806

FCU-7, Calc. cooling capacity 1.6 TR, Calc CFM 806

FCU-8, Calc. cooling capacity 2.5 TR, Calc CFM 1293

HYDRONIC CASSETTE UNITS Supplying, installing, testing and commissioning of factory built, four way, cabinet type, horizontal ceiling mounted , flat belt/ direct driven Hydronic Cassette Units complete with factory fabricated chassis, housing various components like centrifugal blower, three-speed squirrel cage induction motors operating at 1 phase/ 50 + 5% Hz/ 230 + 10% volts/ 3 wire AC supply, chilled water cooling and aluminium fins, filters, condensate lift pump, provision of outdoor air intake connection (where specified), etc. as per technical specifications. Each HCU shall be complete with casing, filter box complete with synthetic fiber filters, cooling coil,fans, 3-speed motors, Condensate lift pump, drain pan, flexible connection, drain pipe connection complete as per specs. Each unit should have its own wireless remote control NS : Cassette Unit-1, Calc. cooling capacity 0.6 TR, Calc CFM 313

Cassette Unit-2, Calc. cooling capacity 0.5 TR, Calc CFM 250 (NS)

Cassette Unit-3, Calc. cooling capacity 2.2 TR, Calc CFM 1057 (NS)

Cassette Unit-4, Calc. cooling capacity 2.0 TR, Calc CFM 971 (NS)

Cassette Unit-5, Calc. cooling capacity 2.1 TR, Calc CFM 1074 (NS)

Cassette Unit-6, Calc. cooling capacity 1.9 TR, Calc CFM 916 (NS)

Cassette Unit-7, Calc. cooling capacity 2.8 TR, Calc CFM 1409 (NS)

Cassette Unit-8, Calc. cooling capacity 2.0 TR, Calc CFM 988 (NS)

Cassette Unit-9, Calc. cooling capacity 2.4 TR, Calc CFM 1137 (NS)

Cassette Unit-10, Calc. cooling capacity 2.1 TR, Calc CFM 1048 (NS)

CHILLED WATER DISTRIBUTION & ACCESSORIES INSULATED CHILLED WATER PIPING (resin bonded fiber glass glass INSULATION) Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 80 kg/cum density resin bonded fiber glass or 144 Kg/ m3 density mineral wool (non combustible) pipe section insulation covered with a layer of 120 gm/sq.m polythene sheet (vapour barrier) and finally applying 0.63mm aluminium sheet cladding complete with type3, grade 1 roofing feltstrip(as per IS:1322 as amended up to date) at joints and repairing of damage to building etc. as per specifications and as required. Note: The Pipes of sizes 150 mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150 mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35 mm 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. 200 mm dia. (75 mm thick insulation) (DSR 16.1.5)

150 mm dia. (50 mm thick insulation) (DSR 16.1.6)

125 mm dia. (50 mm thick insulation) (DSR 16.1.7)

100 mm dia. (50 mm thick insulation) (DSR 16.1.8)

80 mm dia. (50 mm thick insulation (DSR 16.1.9)

65 mm dia. (50 mm thick insulation) (DSR 16.1.10)

50 mm dia. (50 mm thick insulation) (DSR 16.1.11)

40 mm dia. (50 mm thick insulation) (DSR 16.1.12)

32 mm dia. (50 mm thick insulation) (DSR 16.1.13)

25 mm dia. (50 mm thick insulation) (DSR 16.1.14)

20 mm dia. (50 mm thick insulation) NS

INSULATED VALVES Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications. BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled water water circulation as specified 200 mm dia (DSR 16.7.1.1)

125 mm dia. (DSR 16.7.1.3)

100 mm dia. (DSR 16.7.1.4)

80 mm dia. (DSR 16.7.1.5)

65 mm dia. (DSR 16.7.1.6)

50 mm dia. (DSR 16.7.1.7)

NON - RETURN VALVE with duel plate of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled water circulation including insulation as specified. 125 mm dia. (DSR 16.7.3.3)

80 mm dia. (DSR 16.7.3.5)

50mm dia. (NS)

40mm dia (NS)

32 mmdia (NS)

25 mm dia (NS)

20 mm dia (NS)

Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled water circulation including insulation as specified. 125 mm dia. (DSR 16.7.4.3)

100 mm dia. (DSR 16.7.4.4)

40 mm dia. (DSR 16.7.4.8)

32 mm dia. (NS)

25 mm dia. (NS)

20 mm dia. (NS)

Providing and fixing in position the industrial type pressure gauges with gun metal / brass valves complete as required (DSR 16.8)

Providing & fixing in position the mercury in glass industrial type thermometres.(DSR 16.9)

Providing, fixing, testing and commissioning of Automatic air purging valves. (NS)

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end) : 50 mm dia (DSR 18.17.4)

40 mm dia (DSR 18.17.3)

32 mm dia (DSR 18.17.2)

25 mm dia (DSR 18.17.1)

20 mm dia (NS)

Balancing valve with built in measuring facitly with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled water circulation as specified. 125 mm dia (DSR 16.7.2.3)

Supplying, fixing, testing and commissioning of following sizes Motorized Butterfly Valve with CI Body, SS Disc, O - ring and minimum PN-16 pressure rating, conforming to BS 5155, IS 13095, with IP-55 actuator, capable of accepting upto 10V DC , and upto 20 mA electric signal and providing similar transduced feedback output to control system as required. 125 mm dia. (DSR 16.11.3.6)

Supply, Installation, Testing and Commissioning of following sizes electronic, self-balancing, pressure independent type dynamic balancing valve with integrated 2 way modulating control valve in a single body. The actuator shall be capable of accepting upto 10V DC and upto 20 mA electric signal and shall provide similar transduced feedback output to control system. Maximum close off pressure shall not be less than 6 Bar for upto 50 mm valves and 7 Bar for 65 mm & above. Valves should have pressure rating of 25 Bar minimum. 40 mm dia. (DSR 16.11.4.7)

32 mm dia. (DSR 16.11.4.8)

25mm dia (DSR 16.11.4.9)

20mm dia (DSR 16.11.4.10)

Supplying, laying/ fixing, testing and commissioning of following thickness resin bonded fiber glass pipe section insulation having density 80 kg/cum or mineral wool (non combustible) having density of 144 Kg/ cu m duly covered with a layer of 120 gm/sq.m polythene sheet (vapour barrier) on existing valves and finally applying 0.63mm aluminium sheet cladding complete with type3,grade 1 roofing feltstrip(as per IS:1322 as amended up to date)at joints etc. as per specifications and as required. 125 mm dia. (NS)

80 mm dia. (NS)

50 mm dia. (NS)

40 mm dia. (NS)

32 mm dia. (NS)

FCU & CASSETTE VALVES ASSEMBLY (CAR KIT) Supply,installation, testing & Commisioning of Connection and regulation kit for HVAC fan coil units in cooling systems. Complete with: pressure independent control valve with proportional linear actuator, three-way shut-off valves, integrated by-pass, Venturi device with pressure test ports (only for dedicated versions), filtering cartridge and pre-formed shell insulation made of PPE. NOTE : all given parts should be of one single manufacturer,no different manufacturer assembelled unit is acceptable. Linear or equipotential flow rate adjustment characteristic, which can be set up by actuator ( On & OFF type) depending on the characteristics of the terminal unit. Maximum working pressure 25 bar. Maximum differential pressure with actuator installed: 5 bar. Nominal operation Δp range 25–400 kPa. Working temperature range -10−120°C. Ambient temperature range 0−50°C. Strainer mesh size 800 µm. Dezincification resistant alloy body and adjustment headwork; stainless steel strainer mesh; EPDM diaphragm, obturator and seals. 25mm dia (NS)

20mm dia (NS)

AIR & DIRT SEPERATOR - FOR CLOSE LOOP CHILLED WATER CIRCUIT SUpply installation testing and commisioning of Deaerator-dirt separator. Flanged connections, complete with Brass drain valve 1” F (from DN 50 to DN 150), 2” F (from DN 200 to DN 300). complete with a set of concentric metal mesh surfaces to create the swirling motion required to facilitate the release of micro-bubbles and dirt to the surfaces. Epoxy resin coated steel body. Brass automatic air vent valve body. Stainless steel internal element. PP float. Brass float guide and stem. Stainless steel float lever and spring. EPDM hydraulic seals. Medium water and non-hazardous glycol solutions excluded from the guidelines of EC directive 67/548; maximum percentage of glycol 50%. Maximum working pressure 10 bar. Working temperature range 0–110°C. Particle separation rating down to 5µ. Working temperature range 0–100°C. Floor brackets as per site requirement. 624 USGPM Flow rate (NS)

PRESSURIZAATION UNIT WITH EXPANSION TANK Supply, installation, testing and commissioning of pressurised expansion tank with membrane pressure tank, 2 Nos pressurisation pumps with all inter connecting pipe, valves etc., complete as a factory built unit suitable for providing expansion cushion for the system volume. 500 litres (NS)

CONDENSER WATER DISTRIBUTION & ACCESSORIES CONDENSER WATER PIPE Supplying, fixing, testing and commissioning of condenser water pipes of following sizes of MS ‘C’ class along with necessary clamps, vibration isolators and fittings such as bends,tees etc..but excluding valves, strainers, gauges etc. adequately supported on rigid supports duly painted/buried in ground excavation and refilling etc. as per specification and as required complete in all respect. Note:-The Pipes size 150 mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150 mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35 mm 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. 300 mm dia (DSR 16.10.1)

250 mm dia (DSR 16.10.2)

200 mm dia (DSR 16.10.3)

150 mm dia. (DSR 16.10.4)

100 mm dia. (DSR 16.10.6)

80 mm dia. (NS)

65 mm dia. (NS)

50 mm dia. (NS)

VALVES WITHOUT INSULATION Supplying, fixing, testing and commissioning of following valves, gauges and strainers for condenser water circulation as per specifications BUTTERFLY VALVE (MANUAL) with CI body SS disc nitrile sheet & O - ring & PN 16 pressure rating as specified. 300 mm dia (gear operated). (NS)

250 mm dia (gear operated). (NS)

200 mm dia. (DSR 16.11.1.1)

150 mm dia. (DSR 16.11.1.2)

100 mm dia. (DSR 16.11.1.4)

80 mm dia. (DSR 16.11.1.5)

65 mm dia. (DSR 16.11.1.6)

50 mm dia. (DSR 16.11.1.7)

NON - RETURN VALVE with dual plate of CI body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating as specified. 200 mm dia. (DSR 16.11.2.1)

150 mm dia. (DSR 16.11.2.2)

100 mm dia. (DSR 16.11.2.4)

Providing and fixing gun metal non- return valve of approved quality (screwed end) : 50 mm nominal bore Vertical (DSR 18.19.4.2)

Supplying, fixing, testing and commissioning of following sizes Motorized Butterfly Valve with CI Body, SS Disc, O - ring and minimum PN-16 pressure rating, conforming to BS 5155, IS 13095, with IP-55 actuator, capable of accepting upto 10V DC , and upto 20 mA electric signal and providing similar transduced feedback output to control system as required. 200 mm dia. (DSR 16.11.3.4)

150 mm dia. (DSR 16.11.3.5)

100 mm dia. (DSR 16.11.3.7)

50 mm dia. (DSR 16.11.3.10)

Providing and fixing in position the industrial type pressure gauges with gun metal / brass valves complete as required (DSR 16.8)

Providing & fixing in position the mercury in glass industrial type thermometres. (DSR 16.9)

Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled water circulation including insulation as specified. 200 mm dia. (DSR 16.7.4.1)

150 mm dia. (DSR 16.7.4.2)

100 mm dia. (DSR 16.7.4.4)

Balancing valve with built in measuring facitly with CI body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled water circulation as specified. 200 mm dia (DSR 16.7.2.1)

150 mm dia (DSR 16.7.2.2)

100 mm dia (DSR 16.7.2.4)

DIRT SEPERATOR - FOR OPEN LOOP CONDENSER WATER CIRCUIT SUpply installation testing and commisioning of Deaerator-dirt separator. Flanged connections, complete with Brass drain valve 1” F (from DN 50 to DN 150), 2” F (from DN 200 to DN 300). complete with a set of concentric metal mesh surfaces to create the swirling motion required to facilitate the dirt to the surfaces. Epoxy resin coated steel body. Stainless steel internal element. PP float. Brass float guide and stem. Stainless steel float lever and spring. EPDM hydraulic seals.Maximum working pressure 10 bar. Working temperature range 0–110°C. Particle separation rating down to 5 µ.Working temperature range 0–100°C. Floor brackets as per site requirement. 1120 USGPM Flow rate (NS)

DX BASED AC SYSTEM Supply, Installation, testing and commissioning of insulated liquid and suction copper refrigerant piping of adequate size along with necessary fittings to interconnect the condensing unit and the evaporating unit. (Aprrox. length 30 mtrs. per unit). Providing and fixing M.S. structural support(With two or more coat of enamel paint over a coat of red oxide primer) for condensing unit with vibration isolator pad in-between support and structure and vibration isolation suspender and pads for evaporating units. Complete electrical work for the above units including interconnecting cabling/wiring from the MCBs near the room units to outdoor units complete in all respect including earthing. Providing, laying and fixing of 25 mm dia. PVC drain piping for condensate complete with all fittings including 2 layers of 6 mm thick of polyurethane sheet over PVC pipe. (Average length 15 mtrs per unit). 2.0TR High Wall type Split Unit with Cordless Remote Control (Cooling Only) (NS)

DUCTING, GRILLS, DIFFUSER AND INSULATION Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required. Thickness 0.63 mm sheet (DSR 16.12.1.1)

Thickness 0.80 mm sheet (DSR 16.12.1.2)

Thickness 1.00 mm sheet (DSR 16.12.1.3)

Thickness 1.25 mm sheet (DSR 16.12.1.4)

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required. Thickness 0.63 mm sheet (DSR 16.12.2.1)

Thickness 0.80 mm sheet (DSR 16.12.2.2)

Thickness 1.00 mm sheet (DSR 16.12.2.3)

Thickness 1.25 mm sheet (DSR 16.12.2.4)

Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc., as per specifications (DSR 16.3)

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications. (DSR 16.15)

Supplying & fixing of powder coated extruded aluminium Return Air Grills but without volume control dampers complete as required. (DSR 16.16)

Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminium with aluminium volume control dampers with anti smudge ring & removable core. (DSR 16.17)

Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminium without volume control dampers with anti smudge ring & removable core. (DSR 16.18)

Supply, installation, testing & commissioning of thermal insulated flexible duct of following sizes duly supported at regular interval as per site requirement etc. complete as required as per specifications. 200 mm dia. (DSR 16.19.1)

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. Damper (DSR 16.20.1)

Actuator (DSR 16.20.2)

Supply and fixing of acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m³, with 25 mm X 25 mm GI section of 1.25 mm thick, at 600 mm centre to centre covered with Reinforced Plastic tissue paper and 0.5 mm thick perforated aluminum sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required and as per specifications. (DSR 16.21)

Supplying, fixing acoustic lining on wall and ceiling of AHU rooms with 50 mm thick, density 32 kg/cu.m resin bonded glass fiber insulation friction fixed in 610 mm x 610 mm frame work made of 25X50X50X50X25 mm made out of 0.6mm thick GI sheet U shaped channel and covered with reinforced fiber glass tissue and finished with 0.80 mm perforated aluminium sheet etc. complete as required and as per specifications. (DSR 16.22)

Supplying and fixing 50 mm thick aluminium foil faced resin bonded fibre glass insulation (on duct) of density 24 kg/cu.m or mineral wool insulation(non combustible) of density 44 kg/ cu m after applying two coats of cold setting adhesive (CPRX compound) sealing all joints with self adhesive aluminium tape & covering with 0.63mmx19mm GI wire mesh netting butting all joints and laced with GI wire complete as per specifications and as required. (for indoor applications). (DSR 16.24)

Supplying and fixing 50 mm thick aluminium foil faced resin bonded fibre glass insulation (on duct) of density 24 kg/cu.m or mineral wool insulation(non combustible) of density 44 kg/ cu m after applying two coats of cold setting adhesive (CPRX compound) sealing all joints with self adhesive aluminium tape & covering with 0.63mmx19mm GI wire mesh netting & butting all joints and laced with GI wire complete and finally covered with one layer of tar felt stuck with hot bitumen as per specifications and as required. (for outdoor applications) (DSR 16.25)

Supplying, installing and testing of fresh air aluminium inlet louvers with bird screen, volume control damper in acordance with approved shop drawings and specifications. (NS)

Supplying, installing and testing of exhaust air aluminium outlet louvers with bird screen complete as per specification & drawings. (NS)

VENTILATION FANS INLINE FANS Supply, installation, testing and commissioning of following capacities forward curved centrifugal In-line fans complete with sheet metal casing, electric motor and direct driven centrifugal fan suitable for operation on 415 +/- 10%V, 50Hz, 3-phase or 240 +/- 10%V, 50 Hz, 1-phase fitted with speed regulator in case of single phase. Inline Fan 700 CFM @ 15mm static (NS)

Inline Fan 200 CFM @ 10 mm static (NS)

PROPELLER FANS Propeller Fan 100 CFM (NS)

Propeller Fan 450 CFM (NS)

AXIAL FLOW FANS NORMAL MODE Supplying, installing, testing and commissioning of AMCA certified Axial Flow Fans in 220GSM galvanized steel sheet construction complete as per technical specifications. The scope of supply includes all accessories including flanges, supports, Baffels, back draft damper,flexible canvass connections, vibration mountings, making coutout in the wall and finishing the same upto the satisfaction of site incharge, Powder coated MS stand/support work etc complete in all respects. F class of insulation shall be considered for motor. Axial fan 14500CFM @ 25mm static- Fresh air Supply (NS)

Axial fan 17500CFM @ 25mm static- Fresh air Supply (NS)

Axial fan 1600CFM @ 15mm static- Fresh air Supply (NS)

Axial fan2000CFM @ 25mm static- Fresh air Supply (NS)

Axial fan 5100CFM @ 25mm static- Fresh air Supply (NS)

Axial fan 12000CFM @ 30mm static- Fresh air Supply (NS)

Axial fan 10500CFM @ 25mm static- Fresh air Supply (NS)

Axial fan 9000CFM @ 25mm static- Fresh air Supply (NS)

FIRE MODE Supplying, installing, testing and commissioning of AMCA certified Axial Flow Fans in 220GSM galvanized steel sheet construction complete as per technical specifications. The scope of supply includes all accessories including flanges, supports, Baffels, back draft damper, flexible canvass connections, vibration mountings, making coutout in the wall and finishing the same upto the satisfaction of site incharge, Powder coated MS stand/support work etc complete in all respects. H class of insulation shall be considered for motor. Smokespill axial fans shall be Fire rated certified by third party international labotories for 250deg. C @ 2Hrs. Axial fan 14500 CFM @ 25mm static- Exhasut Air (NS)

Axial fan 17500 CFM @ 25mm static- Exhasut Air (NS)

DUCTING, GRILLS, DIFFUSER AND INSULATION Supply, installation, balancing and commissioning of factory fabricated GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required. Thickness 0.63 mm sheet (DSR 16.12.1.1)

Thickness 0.80 mm sheet (DSR 16.12.1.2)

Thickness 1.00 mm sheet (DSR 16.12.1.3)

Thickness 1.25 mm sheet (DSR 16.12.1.4)

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications of following sheet thickness complete as required. Thickness 0.63 mm sheet (DSR 16.12.2.1)

Thickness 0.80 mm sheet (DSR 16.12.2.2)

Thickness 1.00 mm sheet (DSR 16.12.2.3)

Thickness 1.25 mm sheet (DSR 16.12.2.4)

Supply, installation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc., as per specifications (DSR 16.13)

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications. (DSR 16.15)

Supplying & fixing of powder coated extruded aluminium Return Air Grills without volume control dampers complete as required. (DSR 16.16)

Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminium without volume control dampers with anti smudge ring & removable core. (DSR 16.18)

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. Damper (DSR 16.20.1)

Actuator (DSR 16.20.2)

Supplying, installing and testing of fresh air aluminium inlet louvers with bird screen, volume control damper in acordance with approved shop drawings and specifications. (NS)

Supplying, installing and testing of exhaust air aluminium outlet louvers with bird screen complete as per specification & drawings. (NS)

DG COOLING SYSTEM CONDENSER WATER PUMPS Supply, Installation, testing & commissioning of Condenser Water pumps as per specification including all accessories as specified and as required Horizontal End Suction, Centrifugal single stage, foot mounted volute type radial split casing,top discharge with back pull out design primary chilled water pumps set complete with, CI casing, Bronze impeller, SS shaft, mechanical seals and close coupled with sub shaft arrangement with electric motor for re-circulation of chilled water. The pump motor shall be TEFC squirrel cage induction motor having efficiency class IE3 (as per IS 12615) with class 'F' insulation, 1500 RPM synchronous speed, operating on 415 V +/- 10%, 3 phase, 50 Hz AC supply. The motor shall be non- overloading type. Pumps will be with performance characteristics as given below. The pump and motor shall be mounted on a common base plate. All external and exposed cast iron parts of pumps should have an epoxy-based coating made in a cathodic electro-deposition (CED) process. Pump set shall be complete with thermal insulation same as chilled water pipes, aluminium cladding at suction and discharge, necessary anti vibration pads, MS base plate, coupling guard, and all other accessories complete as required.Pump material and operating conditions are given here under: Pump minimum hydraulic efficiency should be more than 75% Flow rate 211 USGPM and 25 METER head (1W+1S) (NS)

COOLING TOWER Supply, installation, testing and commissioning of FRP induced draught cross flow type cooling towers each complete with FRP basin having and auxiliary rectangular suction tank at the bottom. The basin shall be complete with connections for drain, overflow, makeup water, quick fill and float valve, plus hot dipped galvanised suction strainer FRP body, of sufficient strength to with stand wind velocities upto 60 m/s, vibrations and earth quakes, fan and motor assembly conforming to IP-55, protection for outdoor operation fill media of honeycomb design arranged in the suitable pattern for ease of replacement, distribution pipes consisting of spray type arrangement on top of the main supply standby, overflow pipe, ladder, vibration isolation pads, cables, controls etc. As per specifications and drawing. 80 TR Induced draft Cooling tower (DG Applicatoin) (NS)

AIR & DIRT SEPERATOR - FOR CLOSE LOOP CHILLED WATER CIRCUIT Supply installation testing and commisioning of Deaerator-dirt separator. Flanged connections, complete with Brass drain valve 1” F (from DN 50 to DN 150), 2” F (from DN 200 to DN 300). complete with a set of concentric metal mesh surfaces to create the swirling motion required to facilitate the release of micro-bubbles and dirt to the surfaces. Epoxy resin coated steel body. Brass automatic air vent valve body. Stainless steel internal element. PP float. Brass float guide and stem. Stainless steel float lever and spring. EPDM hydraulic seals. Medium water and non-hazardous glycol solutions excluded from the guidelines of EC directive 67/548; maximum percentage of glycol 50%. Maximum working pressure 10 bar. Working temperature range 0–110°C. Particle separation rating down to 5µ. Working temperature range 0–100°C. Floor brackets as per site requirement. 250 USGPM Flow rate (NS)

DIRT SEPERATOR - FOR OPEN LOOP CONDENSER WATER CIRCUIT Supply installation testing and commisioning of Deaerator-dirt separator. Flanged connections, complete with Brass drain valve 1” F (from DN 50 to DN 150), 2” F (from DN 200 to DN 300). complete with a set of concentric metal mesh surfaces to create the swirling motion required to facilitate the dirt to the surfaces. Epoxy resin coated steel body. Stainless steel internal element. PP float. Brass float guide and stem. Stainless steel float lever and spring. EPDM hydraulic seals.Maximum working pressure 10 bar. Working temperature range 0–110°C. Particle separation rating down to 5 µ.Working temperature range 0–100°C. Floor brackets as per site requirement. 215 USGPM Flow rate (NS)

AIR WASHER Supplying, Installing, testing and commissioning of double skin weather proof packaged type airwashers with polyurethen sandwitched panel of 32 kg/m3 density and 25 mm thickness construction fabricated from 0.6mm precoated GI sheet outside & 0.6mm thick Plain G.I. inner sheet, blower housing with centrifugal backward curved DIDW blower with motor, drive set, acetate paper cooling pad of 90% effeciency with cooling pads sections of stainless steel sump and body, pump, water connection, Aluminum filters, double layer fire proof canvas connection, mounting base of angle iron/chennel etc. blower & motor shall be mounted on common rail using cushy foot mounting as per specifications and drawings. Air Washer 12000 CFM at 30 mm Wg external static pressure (NS)