Provisioning of Central Air Conditioner at AF Station Sirsa

Amount

AIR CONDITIONING WORK: Scroll Chiller Plant, Water Cooled

Supply, Installation, Testing & Commissioning of water Cooled scroll type Chilled water COP minimum = 4.1 Central AC Plant of 50 TR (2 working simultaneously & 1 standby) complete and comprising of the following all as specified below and as directed. Note:- In case 50 TR AC Plant is not available contractor will provide next higher capacity of AC plant without any extra cost to Govt. EQUIPMENT :- WATER Cooled Chilling Machines Supply, Installation, Testing & Commissioning of 50TR water cooled scroll Chilling Machines fitted with semihermetic/ hermetically sealed scroll compressors, multi/single circuit chiller, water cooled S&T condenser, Microprocessor based control panel, suitable for R-407C/R-410a Refrigerant, Shell & Tube Insulated Evaporator, Expansion Device, Suitable capacity Control Mechanism actual Cooling capacity on following Operation Parameters complete all as specified and as directed. (a) Chilled Water Entering Temperature : 12.22 deg C. (b) Chilled Water Leaving Temperature : 6.67 deg C. (c) Evaporator Fouling Factor : 0.000018 M2 "K/W” (d) Condenser Water Entering/Leaving Temperature at 29.44/35 deg C. (e) Condenser Fouling Factor : 0.000044 M2 "K/W” (f) Refrigerant : R-407C/R-410a. (g) Maximum Allowable IKW/TR @ 100% Load : 0.82 Scope of Supply (a) 1 set.- scroll compressor hermetic type complete with automatic capacity control, safety switches, forced feed lubrication system etc. as per specification. (b) 1 No:- Suitable capacity squirell cage induction motor with class 'F' insulation suitable for operation on 415 + 10% volts, 50Hz, A.C. supply. (c) Over load protection, under voltage protection, protection against phase reversal & independent single phase preventers etc. complete as required. (d) 1 Set - Lubrication device consisting of automatic electric oil pump, oil cooler, oil strainer, automatic pressure regulating valve, oil heater, oil heater thermal switch etc. as per specifications. (e) 1 Set. - Matching Water Cooled condenser having Copper tube with Mechanically bonded aluminum fins. (f) 1 No. - Matching DX type chiller for Chiller units. (g) 1 Lot- Refrigerant piping fittings, valves and accessories to interconnect compressor, condenser, chiller and expansion valve. (h) 1 Set- Microprocessor based control panel complete with all safeties, controls and LCD display as per specifications. (i) 1 Lot- Refrigerant line accessories comprising of safety valves, angle valve, liquid line indications. (j) 1 Lot- Suction line and chiller insulation with minimum 19mm thick polyvinyl nitril rubber insulation complete as required. (k) 1 Lot - MS Frame work for mounting the above condenser, chiller compressor and motor with base plate complete with anti vibration pads/springs. (l) 1 Lot- Initial / first charge of refrigerant gas and compressor oil. (m) 1 Lot- RCC foundation for the chillers units with anti vibration pads complete. (o) Flow rate for chiller - 27.59 CMH. (p) Flow rate for condenser - 34.48 CMH. Note:- (a) Next higher capacity of chiller machine may be supplied with out any extra cost to Govt. in case non availability of capacity as specified. (b) Suitable arrangement of platform and connected accessories for installing chiller unit with anti-vibration pads as per OEM instructions and rates are deemed to be included in above quoted rates.

Supply, Installation, Testing & Commissioning of centrifugal mono block type chilled water pump set capable of delivering min. 125 USGPM of water against 30 metres head each comprising of the following and complete all as specified and as directed. (a) 01 Nos.- mono block type end suction pump (02 working & 01 standby) (b) 03 Nos. - Suitable HP TEFC squirell cage induction motor with class 'F' insulation 2900 rpm synchronous speed, operating on 415+ 10% volts, 3 phase, 50 Hz A.C. supply (02 working & 01 standby). (c) Lot- Insulation of suitable thickness same as chilled water pipe line properly clamped to pump in two semi-circular sections as per specification. (e) Lot- Mounting frame with Anti vibration pads. (f) Lot- RCC/PCC cement concrete foundation for the pump unit (2 working simultaneously & 1 standby-Each of 50% cap). Note:- (i) The contractor shall provide the calculation for the head of pump after acceptance of tender. In case of deviation of head upto 40 Mtr no price adjustment shall be done. However beyond 40 Mtr of total head adjusted through a deviation order as applicable. (ii) Suitable arrangement of platform and connected accessories for installing chiller unit with anti-vibration pads as per OEM instructions and rates are deemed to be included in above quoted rates.

Supply, Installation, Testing & Commissioning of centrifugal mono block type condenser water pump set capable of delivering min. 208 USGPM of water against 20 metres head each comprising of the following and complete all as specified and as directed. (a) 1 Nos.- mono block type pump. (b) 1 No. - Suitable HP TEFC squirell cage induction motor with class 'F' insulation 2900 rpm synchronous speed, operating on 415+ 10% volts, 3 phase, 50 Hz A.C. supply. (c) Lot- Mounting frame with Anti vibration pads. (d) Lot- RCC/PCC cement concrete foundation for the pump unit (2 working simultaneously & 1 standby-Each of 50% cap). Note:- (i) The contractor shall provide the calculation for the head of pump after acceptance of tender. In case of deviation of head upto 30 Mtr no price adjustment shall be done. However beyond 30 Mtr of total head adjusted through a deviation order as applicable. (ii) Suitable arrangement of platform and connected accessories for installing chiller unit with anti-vibration pads as per OEM instructions and rates are deemed to be included in above quoted rates.

Supply, Installation, Testing & Commissioning of double skin floor mounted type air handling units fabricated & assembled complete, made of 25 mm thick panels consisting of GI casing of thickness 0.6mm outside layer and 0.6mm inside layer, injected at factory by moulding machine with polyurethane foam (PUF) insulation complete with blower section and filter section with filter of 10 micron at 90% efficiency, 8 RWD chilled water coil constructed out of copper tubes not less than 0.5mm thickness and aluminum fins, Suitable capacity TEFC drive squirrel cage induction motor 415 ± 10% volts, centrifugal backward curved fan suitable for 80 mm SP, access door etc. complete as per std. specification.AHU have 8 Row deep cooling coil, space for strip heaters and RH to be maintained at 55 %± 5 of following capacities and comprising of :- (a) Coil of copper tube and aluminium construction. (b) Pre filter(MERV 6) in supply air stream. (c) Squirrel cage induction motors suitable for 415 ± 10%volts, 50 Hz, AC supply meeting criterion as per ASHRAE standard 90.1-2007 and high efficiency. (d) Fan belt drive package. (e) Vibration isolators. (f) SS 304 drain Pan. (g) Drain pipe of suitable size. Note: (i) The floor slope of AHU room shall be such that all condensate is made to drain to outside AHU room. (ii) Suitable arrangement of platform and connected accessories for installing chiller unit with anti-vibration pads as per OEM instructions and rates are deemed to be included in above quoted rates. Tag No. CFM AHU-1 WG 20,000.00

Fan Coil Unit & Cassete/Split Hydronics Unit

Supply, Installation, Testing & Commissioning of Fan Coil Unit . The Unit with plenum is fabricated of electro‐zinc coated steel sheet. FCU have The 3RD cooling coil with seamless copper tubes mechanically bonded into aluminium fins.FCU shall be in GI finish. Powder coating construction.Blower shall be double inlet, forward curved centrifugal type, statically & dynamically balanced. FCU have 3‐Speed fractional suitable capacity motor suitable for 220 V single phase, 50 Hz A.C. supply & Nylon filters in Aluminium frame are cleanable.Single piece insulated drain pan has ribbed construction for faster condensate disposal. Drain pan construction shall be SS in sandwich with insulation. The FCU shall be provided with 2/3 way valve, Ball valve ,Balancing Valve, temp & speed control unit. The cost of all above mentioned ecription is inclusive in rate item. construction. type. FCU cooling capacity : - High Speed - 37059 BTU/HR Medium Speed - 30324 BTU/HR Low Speed - 23692BTU/HR Air Flow High Speed - 1217 CFM Medium Speed - 850 CFM Low Speed - 615 CFM

Supply, Installation, Testing & Commissioning of Fan Coil . The Unit with plenum is fabricated of electro‐zinc coated steel sheet. FCU have The 3RD cooling coil with seamless copper tubes mechanically bonded into aluminium fins.FCU shall be in GI finish. Powder coating construction.Blower shall be double inlet, forward curved centrifugal type, statically & dynamically balanced. FCU have 3‐Speed fractional suitable capacity motor suitable for 220 V single phase, 50 Hz A.C. supply & Nylon filters in Aluminium frame are cleanable.Single piece insulated drain pan has ribbed construction for faster condensate disposal. Drain pan construction shall be SS in sandwich with insulation. The FCU shall be provided with 2/3 way valve, Ball valve ,Balancing Valve, temp & speed control unit. The cost of all above mentioned ecription is inclusive in rate item. construction. FCU cooling capacity : - High Speed - 332376 BTU/HR Medium Speed - 24512 BTU/HR Low Speed - 18495 BTU/HR Air Flow High Speed - 1035 CFM Medium Speed - 681 CFM Low Speed - 467 CFM

Hi- wall Split Hydronics Unit Supply, Installation, Testing & Commissioning of Hi- wall Split Hydronics unit having below sfeatures : - i. Cooling Capcity 18000 BTU/HR ii. Air Flow ( High/Med/Low) - 565/479/452 CFM. iii. 2 RWD cooling Coil. iv .Multi-function LED display. v. 3 Speed Control. vi.3-way electromagnetic valve. vii. Multi pipe connection directions to meet varies installation rooms. viii. LCD display on remote control. ix. Air cleaning devices and high efficiency filter keep the air clean x. Ball valve in supply and return water line shall be provided.

Hi- wall Split Hydronics Unit (Projector Room) Supply, Installation, Testing & Commissioning of Hi- wall Split Hydronics unit having below sfeatures : - i. Cooling Capcity 24000 BTU/HR ii. Air Flow ( High/Med/Low) - 700/580/355 CFM. iii. 2 RWD cooling Coil. iv .Multi-function LED display. v. 3 Speed Control. vi.3-way electromagnetic valve. vii. Multi pipe connection directions to meet varies installation rooms. viii. LCD display on remote control. ix. Air cleaning devices and high efficiency filter keep the air clean x. Ball valve in supply and return water line shall be provided.

Cassete Type Hydronics Unit (For FF lobby) Supply, Installation, Testing & Commissioning of cassete type Hydronics unit having below sfeatures : - i. Cooling Capacity 36850 BTU/HR ii. Air Flow (High/Med/Low) - 1200/982/765 CFM iii. Auto swing louver iv. 4 direction air flow v. High efficient water drain pump system vi. In built thermostat vii. Infrared Remot control viii. 3 fan speed plus auto fan viii. drain pump faillure alarm ix. fault indication on display x. Easy cleaning filter

Supply, Installation, Testing and Commissioning, PAN type humidifier made of stainless steel sheet duly insulated and of capacity 6KW to maintain RH of 55% + 5% alongwith all necessary accessories & controls etc. complete all as specified and directed. Note: (i) Suitable arrangement of platform and connected accessories for installing chiller unit with anti-vibration pads as per OEM instructions. (ii) Suitable arrangement of platform and connected accessories for installing chiller unit with anti-vibration pads as per OEM instructions and rates are deemed to be included in above quoted rates.

Supply, installation, Testing & Commissioning of electric strip heaters of following capacities in supply air plenum for winter & Monsoon, reheating complete with suitable controls for auotomatic function for maintaining temperature and humidity as specified throughout the year with control wiring.

18 X 3 KW Pre heater & 12 X 3 KW Re heating - For AHU.

2 X 2 KW Pre heater & 1.5X 1 KW Re heating - For FCU.

Design, Supply, Installation, testing and commissioning of FRP cooling tower of minimum 130 TR heat rejection capacity with FRP water basin PVC fillings with integral louvers and drift eliminators complete with hot water basin either fitted with spray nozzles or having self rotating sprinklers, statically & dynamically balanced axial flow type fan direct driven or driven through reduction gear box with TEFC induction motor , suction screen, make up quick filling arrangement, over flow and drain connections with necessary valves and suitable inspection ladder, access arrangement for cooling lower interior, installed on MS girders of suitable size fixed in masonry foundations with cement concrete footing, second class brick work and cement mortar 1:6 along with all necessary accessories, basin fittings, fan, fan motor with blade 1 Nos suitable for 415 Volt supporting structure, anti vibration mountings etc. Complete and 50 HZ power supply and with following techinical data:- (a) Water flow/tower 520 USGPM (b) Ent. Water Temp. 97 °F (c) Basin water Temp. 90 ˚F Note:- (i) Next higher capacity of cooling tower will be supplied by contractor with out any extra cost to Govt. in case non availability of capacity as specified. (ii) Suitable arrangement of platform and connected accessories for installing chiller unit with anti-vibration pads as per OEM instructions and rates are deemed to be included in above quoted rates.

Electrical Panel

Supply, fixing, testing and commissioning cubicle type LT panel consisting of the 3 phase 415 volt, made of 2 mm thick CRCA sheet powder coated, Indoor CPRI approved panel including interconnection wiring, indicating lamps etc and with the under mentioned incoming & out going components complete. The cubicle panel shall be free floor standing type, complete. The panel shall have compartmentalized arrangement to accommodate one feeder in each compartment. A vertical cable alley of suitable width shall be provided to serve one or two vertical feeder sections. Also the openings between the busbar chamber and the feeder section shall be shrouded with Bakelite/hylam sheet with minimum 3 mm thickness. All the hardware used in fabrication of panel shall be galvanized with zinc passiveness. Incoming: (a) 1 No 4 pole 500Amps, 50 KA MCCB with rotary handle with O/C, S/C & E/F release. (b)UV protection,OV protection, Single phasing, Phase reverse protection shall be st in main incomer. (c) 1 NO Multifunction with with CT. (d) Phase indicating lamps etc with control fuses as required (e) Breaker On/Off trip indication (f) 1 Set of 600 Amps TP & 300 Amp Aluminium Bus Bars with colour coded heat shrinkable sleeves. (g) 1 Set digital type 3 phase static KWH meter 3 phase 415 volts,CTs operated complete with CTs of appropriate ratio and VA burden. Outgoings: (a) 3 Nos. 200 Amps TPN MCCB, 35 KA , with adjustable thermal and magnetic setting, electrically operated as outgoing feeders for 3 Nos. chilling unit. b) 08 Nos. TPN MCB of 32 Amp with DOL starter for motor, over load relay with built in single phasing protection and outgoing feeder to chilled water, condenser water, & CT fan motor. The compartment shall contain an indicating lamp with MCB for ‘ON’ status of pump motor. (c) 2 nos. 250 Amps TPN MCCBs, 36 KA operated as out going feeder for 2 Nos AHUs.Panel (d) 1 No.100AMP TPN MCCB for FCU Panel building lighting. Note:-1. Any other control/circuit bracket required for operation of plan shall be provided within bore all quoted.

Supply laying and fixing along the poles or passing through pipes or laid under floor or through walls etc joining and testing (XLPE insulated) galvanised steel strip armoured electric cable 1100 volt grade heavy duty ISI marked with Aluminium/copper conductor and overall served with an outer sheathed of PVC, of following cross sectional area, complete all as specified and as directed.

3.5 Core x 50 Sqmm (aluminium) for chiller.

3.5 Core x 35 Sqmm (aluminium) for AHU sub panel.

3.5 Core x 25 Sqmm (aluminium) for Preheater.

3 Core x 4 Sqmm (Copper)) for AHU motor/Reheater/Pumps/CT.

Supply laying and fixing along the poles or passing through pipes or laid under floor or through walls etc joining and testing of PVC insulated flexible electric cable 1100 volt grade heavy duty ISI marked with Aluminium/copper conductor and overall served with an outer sheathed of PVC, of following cross sectional area, complete all as specified and as directed.

4 Core x 2.5 Sqmmc (copper) for FCU, Cassete/Split Hydronics Unit.

3 Core x 1.5 Sqmm (copper) for controls.

Excavation in trenches not exc. 1.5 mtr in depth and n.exc 1.5mtr in width for laying of cables or pipes and getting out in soft/loose soil all as specified and directed.

Returning filling in, including spreading levelling, watering and well ramming in layers not exc 25 cm thick all as specified and directed.

Removal of surplus excavated soil to a distance not exceeding 50 mtr from the strarting point and depositing where directed at a level n.exc 1.5 mtr in height all as specified and directed.

Material and labour for sand cushioning to under ground cable 8cm thick before laying the cable and 15 cm thick after laying &testing of cables all as specified and directed. Note :- Thickness of sand shall be measured after Punning.

Material and labour for sub class 'B' bricks laid dry flat over the cable (Width wise) after sand cushioning, for cable protection all as specified and directed.

Supply & fix galvanised iron earth strip 25 mm x 3 mm as earth continuity conductor or main earthing lead fixed to walls or recessed or burried in ground or passing through pipes at any indicated situation for looping earth , complete all as specified and as directed.

Earthing complete with galvanised steel earth plate electrode 60 cm x 60 cm x 6.0 mm thick burried directly in ground (Earth pit not less than 2.25 m deep below normal ground level) surrounded from all directions with charcoal dust, salt and edge of earth plate not less than 1.5 m below ground level connected to galvanized iron strip 32x6mm as earth lead by means of bolts, nuts, check nuts and washers made of glavanized iron and protected by galvanized iron pipe light grade 40 mm bore and watering pipe 20mm dia medium grade with funnel and wire mesh as specified and connected all as shown in electrical plate No 3 of SSR Part I including necessary earth work and excavation in any type of soil and PCC 1:2:4 type B - 1 in chamber and 80 mm thick precast RCC 1:2:4 type B - 1 using XPM weighing not less than 4Kg/Sqm for cover slab/coping complete all as specified. The GI earth strip & 40mm dia bore light grade GI pipe upto 7.5 metre deemed to be included in the rate quoted by the contractor. Beyonnd 7.5 metre GI earth strip and GI tubing light grade 40mm dia shall be measured and paid under the respective item of schedule, complete all as specified and as directed. Note: The unit rate quoted by tendrer is deemed to be include for necessary excavation, removal of surplus soil, PCC foundation, MS Iron Cover Etc.

Supply & Fixing of 8 SWG wire for double loop earthing of all electrical Equipment’s, complete all as specified and as directed. Note:- All terminations shall be made with proper lugs in the approved manner.

Supply, laying/fixing, testing & commissioning of the following nominal sizes of chilled plumbing pipes MS ‘C’ CLASS as per IS: 1239, inside/outside the building (with necessary clamps, vibration isolators and fitting like elbow,flanges, union etc. but excluding valves, strainers, gauges etc.) cut to required lengths and welded at joints .Chilled water pipe shall be insulating with closed cell Nitrile Rubber insulation of density 40-42 Kg/cum. The thermal conductivity of the material should not exceed 0.035 W/Mk at an average temp of 40 deg C. Nitrile insulation shall be applied after pressure testing of pipe line and shall be fixed with OEM recomended Rubber based adhesive. The chilled water pipe line shall be finnaly wrapped with 5 milli fiber glass cloth and finally apply two coats of UV paint matching with building colour or as per Eng-In-charge decision.

100 mm dia Pipe (25 mm thick Insulation)

80 mm dia Pipe (19 mm thick Insulation)

65 mm dia Pipe (19 mm thick Insulation)

50 mm dia Pipe (19 mm thick Insulation)

40 mm dia Pipe (19 mm thick Insulation)

32 mm dia Pipe (13 mm thick Insulation)

20 mm dia Pipe (13 mm thick Insulation)

Supply, installation, testing and commissioning of Butter Fly Valves (Manual) with CI body, Stainless steel disc, nitrile rubber seal & O ring, PN 1.0 Pressure rating for chilled water circulation of following size. Valves shall be insulation with the same as per pipe line insulation material .

Supply, installation, testing and commissioning of balancing valve ,globe type, PN 1.0 rated, balanced/high rangeability control valve duly insulated to the same specifications as the connected piping as per following specification. Nominal pressure PN10 Medium Temperature -10oF~ +110oF Maximum Body Material IS:210, FG 220 CI Stem Material ASTM A276, Disc Material Stainless steel Disc Hand Wheel Cast Iron Leakage Rate No visible leakage Medium Type Water

Supply, installation, testing and commissioning of Y-type strainer of 80 mm size with Cl/MS body, bolted cover, flanged ends, basket of brass/ bronze/ SS wire mesh complete with flanges, nuts-bolts, gaskets and flange drilling standard end connection with accessories etc., as required all as specified and directed.

Supply, installation, testing and commissioning of Non return valve of 80 mm size with dual plate of CI body, Stainless steel plates, vulcanised NBR seal flanged ends and PN 1.0 Pressure rating, all as specified and directed.

Supplying and fixing in position the following gun metal Ball Valve all as specified and directed.

15 mm without strainer

20 mm without strainer

20 mm with strainer

25 mm without strainer

32 mm without strainer

Supply, installation, testing and commissioning of 3 Way modulation valve with spring return function & fitting with modulating actuators controlled by electronic controller in chilled water lines at each air handling unit. The actuator shall have required shut off capability of minimum 4 bar rating. The valve shall be suitable for 65 mm dia pipe size and duly insulated to the same specification as the connected pipe all as specified and directed.

Supply, installation, testing and commissioning of Automatic air-vent having 15 mm dia with Brass OT 58 body and cover, polyacetal lever, high density expanded polyethylene float, EPDM rubber plug, stainless steel spring, polyamide capm etc. suitable for maximum operating pressure of 10 bar and maximum operating temperature 115° C respectively, installed on all high points in the water piping system to automatically remove the trapped air, installed on all high points in the water piping system to automatically remove the trapped air etc., as required all as specified and directed.

Supply and fixing in position the industrial type pressure gauge 100mm size all as specified and directed.

Supply and fixing in position the mercury-in-glass industrial type thermometers all as specified and directed.

Supply and fixing in position the water flow switches for the Chilled water circuit complete with fittings, all as specified and directed.

Supply, installation, testing and commissioning of proportional cooling only thermostats for the Air Handling Units complete with required controls wiring/installation kit etc. as per drawings and as specified.

Supply, installation, testing and commissioning of proportional Heating only thermostats for the Air Handling/FCU Units complete with required controls wiring/installation kit etc. as per drawings and as specified.

Supply, installation, testing and commissioning of proportional humidistate for the Air Handlin Units complete with required controls wiring/installation kit etc. as per drawings and as specified.

Supply, laying/fixing, testing & commissioning of the following nominal sizes of condenser water pipes MS ‘C’ CLASS as per IS: 1239, of following sizes and material along with necessary clamps, vibration isolators and fittings such as bends, tees etc but excluding strainer and gauges etc adequately supported on rigid supports/buried in ground including excavation& returning and filling etc complete all as specified and directed.

125 mm dia Pipe

100 mm dia Pipe

Supply, installation, testing and commissioning of Butter Fly Valves (Manual) with CI body, Stainless steel disc, nitrile rubber seal & O ring, PN 1.0 Pressure rating for chilled water circulation of following size. Valves shall be insulation with the same as per pipe line insulation material.

Supply, installation, testing and commissioning of balancing valve ,globe type, PN 1.0 rated, balanced/high rangeability control valve duly insulated to the same specifications as the connected piping as per following specification. Nominal pressure PN 1.0 Medium Temperature -10oF~ +110oF Maximum Body Material IS:210, FG 220 CI Stem Material ASTM A276, Disc Material Stainless steel Disc Hand Wheel Cast Iron Leakage Rate No visible leakage Medium Type Water (a) 100 mm

Supply, installation, testing and commissioning of Y-type strainer of 100 mm size with Cl/MS body, bolted cover, flanged ends, basket of brass/ bronze/ SS wire mesh complete with flanges, nuts-bolts, gaskets and flange drilling standard end connection with accessories etc., as required all as specified and directed.

Supplying and fixing in position MS/CI POT strainers 125mm dia, including packing material, fixing bolts etc and any alterations required for proper fixing all as specified and directed.

Supply, installation, testing and commissioning of Non return valve of 100 mm size with dual plate of CI body, Stainless steel plates, vulcanised NBR seal flanged ends and PN 10 Pressure rating, all as specified and directed.

Supplying and fixing in position the following gun metal Ball Valve all as specified and directed.

Supplying and fixing in position the GI B class pipe for cable protection & water supply connection of coolint tower, tank etc.

Supply, Installation, Testing & Commissioning of motorised combined fire damper complete with control panel, inter connecting wiring at location shown in approved shop drawing all as specified and directed.

Fire dampers.

Actuators.

Control Panel & wiring.

Supply, install, testing and commissioning of duct insulation in AC/Attic space outside building with aluminium foil backed 25mm thick closed cell chemically cross linked fire retardant polyethylene foam insulation of density 30 Kg/cum. The thermal conductivity of the material should not exceed 0.035 W/Mk at an average temp of 40 deg C, complete with application with rubber based adhesive as per OEM recomandation including making good the damages to match with the existing specification of the building, complete all as specified and direcetd.

Supply, install, test and commissioning of acoustic insulation of duct as shown on drawing with 25 mm resin bonded fibre glass, of 48 kg/cum density, covered with and 28 Gauge Aluminium perforated sheet all as specified and directed.

S&F Under deck insulation of the exposed portion of the roof/wall of AHU Rooms to be air conditioned with 13 mm thick closed cell chemically cross linked fire retardant polyethylene foam insulation of density 30 Kg/cum and covered with aluminium foil complete with application with rubber based adhesive as per OEM recomandation all as specified. The thermal conductivity of the material should not exceed 0.035 W/MK at an average temp of 40 deg C, complete all as specified including making good the damages to match with the exisiting specification of the building.

Design, supplying, installing, balancing, testing and commissioning of factory/ Site fabricated Galvanized steel sheet, rectangular ducting complete with neoprene rubber gaskets, elbows, splitter damper vanes, hangars, supports as per SMACNA in accordance with approved shop drawings and specifications of following sheet thickness, complete all specified and directed as under:-

24 gauge galvanised steel sheet

22 gauge galvanised steel sheet

20 gauge galvanised steel sheet

18 gauge galvanised steel sheet Note for Srl item no 46.01 to 46.04 (i) The contarctor shall submit the shop drawings of ducting layout for the approval of GE before execution of work. (ii) The duct work shall be as per IS-655 (iIi) The Galvanized steel sheet for duct work shall conform to class viii with zinc coating of 120 gm/sq mtr as per IS-277(2003).

Supply, fabrication, installation and testing of flexible connection constructed of fire resistant double resin sleeve as per approved shop drawings and specifications, complete all as specified and directed.

Supplying, installation, testing and commissioning of powder coated aluminium grill/Diffuser with volume control dampers as per specifications, complete all as specified and directed.

Supplying, installation, testing and commissioning of 300 mm dia Jet diffuser with volume control dampers for supply air as per specifications, complete all as specified and directed.

Supplying, installation, testing and commissioning of GI volume control dampers as per specifications, complete all as specified and directed.

Supplying, fixing, testing and commissioning of powder coated extruded aluminium section fresh air grill in weather maker room with volume control dampers, bird screen etc all as specified and directed.

Supply, installation, testing and commissioning of HDPE make up tank of size 5000 Ltr.on the roof of plant room with air vent and drain connection & overflow, make up connection with float valve etc as required all as specified and directed.

Supply,installation,testing and commissioning of HDPE expansion tank of size 1000 Ltrs complete with suitable FR-XLPE/XPE 13 mm thick of minimum bulk density 28 + 4Kg/cum covered with vapour barrier and finished with 0.5mm thick aluminium cladding applied with rubber based adhesive recomanded by OEM complete with air vent and drain connection float valve, quick fill and control valves etc as required all as specified and directed.

SITC of MS Powder coated perforated cable tray on wall , roof etc.

SHRI RAMSONS PROJECTS CORPORATION