CEWAC/SUR/T-05/2019-20

Amount

AIR COOLED PACKAGE UNITS For GCA Bldg

Supply, Installation, testing and commissioning of Air Cooled Package Units DX type of cap 11.0 TR with scroll type compressor, S&T Cond., Microprocessor based control panel for operation on refrigerant R-407 C complete with 1st charge of refrigerant gas & oil etc. complete.

Supply & Fixing of Copper refrigerant Piping for Discharge line from indoor Unit to Outdoor Air Cooled Fan with 5/8" pipe with fitting complete.

Supply & Fixing of Copper refrigerant Piping for liquid line from indoor Unit to Outdoor Air Cooled Fan with 7/8" pipe with fitting complete.

Supply & charging of Refrigerant Gas R - 407 C in 3 Nos. air cooled Package AC complete with pressure testing and flushing etc. Complete

Supply & Fixing of 22 Gauge Gl sheet ducting with all fittings such as Tee, bends, tunings, vanes, flange etc., made of Gl sheet of Class - VIII as per IS - 277 fabricated as per IS - 655 including suspesnsion and suporting arrangements including, nut & bolts duly insulated with 13 mm thick aluminium foil faced XPE Foam complete.

Supply & Fixing of supply air Grill / diffusers made of aluminium section powder coated with Volume Control damper complete.

Supply & Fixing of return air Grill / diffusers made of aluminium section powder coated without Volume Control damper complete.

Supply & Fixing of Fire damper made of Gl sheet 18 G complete with fuse link complete

Supply & Fixing of fresh air grill with damper made of Gl sheet 18 G complete with bird screen complete.

Supply & Fixing of volume control damper made of Gl sheet 18 G complete for PAC Units complete

Supply & Fixing of Canvas connection made of fire retardent cloth for PAC Units .

M & L for earthing complete with GI plate electrode of size 600 x 600 x 6 mm thick bured directly in ground vertically at a depth not less 2.25 mtr below normal ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level surrounded from all sides by 1.5 cm thick packed layer of charcoal of dust and common salt filling in alternate layers and making electrode connection by using GI strip of size 32X6 mm at two points by means of bolts nuts check nuts and washers made of brass and earth strip protected by light grade 40 mm dia GI Pipe upto test point and connected to main switch board are main controlled board with provision of GI pipe medium grade 20mm bore for watering including funnel wire mess RCC pit cover and PCC Chamber pit with 1:2: 4 type B1 (including excavation earth work) all as specified and shown on plate No 3 of SSR Part-1 including testing complete.

Supply & fixinq of Pan type humidifier with 2 mm thick SS sheet of cap. Of 6 KW with heater and connection etc complete.

Supply, Installation, testing and commissioning electric strip heater for winter 12 Nos. x 3 KW and monsoon reheatinq 6 Nos x 3 KW includinq connection etc complete.

M&L for making PCC foundation and plateform for PAC Units and MS Stand for Air cooled fan and making wall opening for ducting, piping and cabling etc. includinq making good the distrub surface as per site requirement complete.

Dismantaling of AC plants complete with ducting, piping, coolling tower with all accessories and electric panel with cabling etc. complete all as specified and as directed of capacity 4 x 7.5 TR pakage type AC plant at GCA display

Dismantaling of AC plants complete with ducting, piping, colling tower with all accessories and electric panel with cabling etc. complete all as specified and as directed of capacity 3 x 5 TR central AC plant at photo sec bldg.

Dismantaling of AC plants complete with ducting, piping, colling tower with all accessories and electric panel with cabling etc. complete all as specified and as directed of capacity 3 x 21 TR central AC plant at base Ops.

Dismantaling of AC plants complete with ducting, piping, colling tower with all accessories and electric panel with cabling etc. complete all as specified and as directed of capacity 3 x 7.5 TR central AC plant at CRRW Sec.

Dismantaling of AC plants complete with ducting, piping, colling tower with all accessories and electric panel with cabling etc. complete all as specified and as directed of capacity 3 x 5 TR central AC plant at Electrical instrument section.

Water Cooled Chilling Machines AC Plant each for PHOTO SECTION Bldg and ELECTRICAL INSTRUMENT SECTION BLDG.

Supply, installation, testing ana commissioning of 11.0 TR water cooled Scroll Chilling Machines fitted with hermetically sealed compressor, multi circuit Dx chiller, water cooled S&T condenser, Microprocessor based control panel, suitable for R-407 C Refrigerant, Shell & Tube Insulated Evaporator, Expansion Device, Suitable capacity Control Mechanism actual Cooling capacity on following Operation Parametres. Complete as per specifications: Chilled Water Entering Temperature : 12.17 deg C Chilled Water Leaving Temperature : 6.67 deg C Evaporator Fouling Factor : 0.0001 MKS Condenser Water Entering/Leaving Temperature at 36.2/32.4 deg C Refrigerant : R-407 C Maximum Allowable IKW / TR @ 100% Load : 1.55 Scope of Supply Scroll compressor hermetic complete with suaitble capacity squirell cage induction motor with class 'F' insulation suitable for operation on 415+ 10% volts, 50Hz, A C. supply and automatic capacity control, safety switches, forced feed lubrication system etc. as per specifications. 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. Matching Water Cooled condenser having Copper tube with Mechanically bonded aluminium fins. Matching DX type chiller for Chiller units

Refrigerant piping fittings, valves and accessories to interconnect compressor, condenser, chiller and expansion valve. Microprocessor based control panel complete with all safeties, controls and LCD display as per specifications. Refrigerant line accessories comprising of safety valves, angle valve, liquid line indications. Suction line and chiller insulation with minimum 19mm thick polyvinyl nitril rubber insulation complete as required. Frame work for mounting the above condenser, chiller compressor and motor with base plate complete with anti vibration pads/sprinqs. Initial / first charge of refrigerant gas and compressor oil. PCC cement concrete foundation for the Chiller unit (1W+1S)

Chilled Water Pump Set Supply, erection, testing and commissioning of centrifugal mono block type chilled water pump set capable of delivering 110 LPM of water against 26 mtr head each comprising of the following and complete as per specifications . 1 No - mono block type pump 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. Lot- insulation of pump of 13 mm thick with aluminium foil faced closed cell chemically crossed linked XPE foam material. 2 Nos. -100 mm dia dial type pressure gauges. Lot- Mounting frame with Anti vibration pads. Lot-PCC cement concrete foundation for the pump unit (1 working simultaneously & 1 working standby—Each of 100% cap)

Condenser Water Pump Set Supply, erection, testing and commissioning of centrifugal mono block Condender water pump set capable of delivering 165 LPM of water against 20.00 mtr head each comprising of the following and complete as per specifications 1 No - mono block type pump 1 No. - Suitable HP TEFC squirell cage induction motor with class 'F' insulation 2900 rpm synchronous speed, operating on 415+ 10% volts, 3 ohase. 50 Hz A C. SUDDIV 2 Nos -100 mm dia dial type pressure gauges. Lot- Mounting frame with Anti vibration pads. Lot-PCC cement concrete foundation for the pump unit (1 working simultaneously & 1 standby--Each of 100% cap)

Supply, erection, testing and commissioning of Winter Heating and Monsoon re Heating with finned type strip heaters of capacity 3 KW x 6 Nos & 3 KW x 3 Nos complete with all controls and accessories as per specifications

Supply, erection, testing and commissioning of pan type humidifier of 6.0 KW made of S S sheet duly insulated complete with all standard controls and accessories as per specifications.

AIR HANDLING UNITS Supply, Installation, testing and Commissioning of double skin Ceiling Suspended / Floor mounted type air handling units fabricated & assembled complete, made of 25 mm thick panels consisting of Gl 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, chilled water coil constructed out of copper tubes not less than 0.5mm thickness and aluminium fins, Suitable capacity TEFC drive squirrel cage induction motor 415 ± 10% volts, centrifugal forward / backward curved fan suitable for 40 mm SP access door etc. complete as per std. specification Maximum face velocity across the coil shall be 500 FPM and each 6 Row deep cooling coil. RH to be maintained at 55 %± 5 of following capacities and comprising of:- Coil of copper tube and aluminium construction sized at maximum face velocity of 500 FPM. Pre filter of 10 micron at 90% efficiency on the face of the coil in return air stream. 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. Fan belt drive package. Vibration isolators. Fan outlet velocity not exceeding 10 mps. Tag No. Space CFM TR AHUNo.1 GF 4500 11.0

COOLING TOWER Supply, Installation, testing and commissioning of FRP cooling tower of minimum 15 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 (MS-I sections) fixed in masonary foundations with cement concrete footing, second class brick work and cement mortor1:6; all accessories, basin fittings, fan. fan motor suitable for 415 Volt supporting structure, anti vibration mountings etc. complete and 50 HZ power supply having isolator panel with MCB at cooling tower and with following technical data (a) Water flow/tower 60 USGPM (b) Ent. Water Temp. 97 °F (c) Basin water Temp. 90 °F

ELECTRICAL CABLES Supplying and laying in ground/ in ducts/in pipes/on cable trays of PVC insulated aluminum conductor armoured cables of 1.1 KV grade confirming to IS complete with cable tray, clamps, saddles etc, including effecting proper connection to the equipment all as required and specified for 3.5 C x 25 Sq.mm (aluminum) for Chillers, Strip heater.

Description complete all as per item no 1.28 here in before but for 4 C x 10 Sq.mm (aluminum) for main to AHU Panel.

Description complete all as per item no 1.28 here in before but for 3C x 4 Sq.mm (alumunum) for Chilled Water, Condenser pumps. H W. Pumps, CT Fan & AHU Blowers motor

Description complete all as per item no 1.28 here in before but copper conductor for 4C x 1.5 Sq.mm (copper) For Controls

Description complete all as per item no 1.28 here in before but for 3.5 C x 95 Sqmm (aluminium ) for chillers

EARTHING Supply & fixing/laying Gl earth strip 25 mm x 3 mm below ground, in 40 mm Gl pipe wherever required and on surface or in recess for connections etc.

M & L for earthing complete with GI plate electrode of size 600 x 600 x 6 mm thick bured directly in ground vertically at a depth not less 2.25 mtr below normal ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level surrounded from all sides by 1.5 cm thick packed layer of charcoal of dust and common salt filling in alternate layers and making electrode connection by using GI strip of size 25X4 mm at two points by means of bolts nuts check nuts and washers made of brass and earth strip protected by light grade 40 mm dia GI Pipe upto test point and connected to main switch board are main controlled board with provision of GI pipe medium grade 20mm bore for watering including funnel wire mass RCC pit cover and PCC Chamber pit with 1:2: 4 type B1 (including excavation earth work) all as specified and shown on plate No 3 of SSR Part-1 including testing complete.

Supply & Fixing of 8 SWG GI wire

PIPING Supply, laying/fixing, testing and commissioning of chilled water piping MS 'C' CLASS as per IS:1239, inside the building (with necessary clamps, vibration isolators and fittings cut to required lengths and welded at joints and inclusive of accessories like elbows, tees, reducers, sockets etc, including insulating with 25 mm (for all pipes) and 13mm (for drain pipe) 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, covered with aluminium faced foil complete with application with rubber based adhesive Pidilite SR 998 and 50mm x 3 mm thick self adhesive tape on both longitudinal & transverse joints simultaneously, all as specified and repairing damage to building etc.and conforming to the specified specification, for 50 mm dia pipe.

Description complete all as per item no 1.36 but for 40 mm dia pipe

Description complete all as per item no 1.36 but for 32 mm dia pipe

Description complete all as per item no 1.36 but for 80 mm dia pipe

Description complete all as per item no 1.36 but for 65 mm dia pipe

Description complete all as per item no 1.36 but for 100 mm dia pipe

Supply, installation, testing and commissioning of Cast iron butterfly valves in chilled water & condense water plumbing and adequately supported as per specifications of size 50 mm.

Description complete all as per item no 1.42 but for 40mm size

Description complete all as per item no 1.42 but for 100mm size

Description complete all as per item no 1.42 but for 80mm size

Description complete all as per item no 1.42 but for 65mm size

Supply, installation, testing and commissioning of Cast Iron manual balancing valves in chilled water & condense water plumbing and adequately supported as per specifications of size 50 mm.

Description complete all as per item no 1.47 but for 100mm dia

Description complete all as per item no 1.47 but for 65mm dia

Supply, installation, testing and commissioning of cast iron 'Y' strainer in chilled water & condense water plumbing and adequately supported as per specifications of size 50 mm.

Description complete all as per item no 1.50 but for size 40mm

Description complete all as per item no 1.50 but for size 100mm

Description complete all as per item no 1.50 but for size 80mm

Description complete all as per item no 1.50 but for size 65mm

Supply, installation, testing and commissioning of brass/gunmetal check valve in chilled water & condense water plumbing and adequately supported as per specifications of size 40 mm.

Supply, installation, testing and commissioning of cast iron check valve in chilled water & condense water plumbing and adequately supported as per specifications of size 80mm

Supply, installation, testing and commissioning of cast iron check valve in chilled water & condense water plumbing and adequately supported as per specifications of size 65mm

Supply, installation, testing and commissioning of cast iron check valve in chilled water & condense water plumbing and adequately supported as per specifications of size 50mm

Supply, installation, testing and commissioning of brass/gunmetal gate valve in chilled water & condense water plumbing and adequately supported as per specifications of size 32mm without insulation

Supplying, installation, testing and commissioning of brass/gunmetal Auto air vents 15 mm dia

Supply,installation,testing and commissioning of brass/gunmetal 25 mm dia Ball valves for drain with fittings etc.

Providing and fixing in position the industrial type pressure gauges

Providing and fixing in position the mercury-in- glass industrial type thermometers complete with fitttinqs

Supply installation.testing and commissioning of cast iron 3 way mixing/ diverting valve of siz 50 mm dia with proportional cooling only thermostats for the Air Handling Units complete with required controls wiring/installation kit etc. As per drawings and specifications.

Supply,installation,testing and commissioning of cast iron 3 way mixing/ diverting valve of siz 80 mm dia with proportional cooling only thermostats for the Air Handling Units complete with required controls wiring/installation kit etc As per drawings and specifications.

Supply.installation,testing and commissioning of cast iron 3 way mixing/ diverting valve of siz 65 mm dia with proportional cooling only thermostats tor the Air Handling Units complete with required controls wiring/installation kit etc. As per drawings and specifications.

Supply, fixing, testing and commissioning of condenser water pipes of MS class ‘C’ 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 qround including excavation & returning filling etc as per specifications and as required for 50mm dia

Description complete all as per item no 1.67 but for 100mm dia

Description complete all as per item no 1.67 but for 40mm dia

Description complete all as per item no 1.67 but for 80mm dia

Description complete all as per item no 1.67 but for 65mm dia

Providing and fixing in position the following Gl class 'B’ pipes cut to required lengths and installed with all screwed joints, and providing and fixing in position the necessary fittings like elbows, tees, union, bend and reducers etc. complete all as specified. 32 mm dia Gl pipes

Expansion Tank Supply,installation,testing and commissioning of HDPE expansion tank of size 500 Ltr. complete with suitable with FR- XLPE/XPE 19 mm thick of minimum bulk density 28±4Kg/cum covered with vapour barrier and finished with 0.5 mm thick aluminium cladding and applied with Pidilite SR 998complete with air vent and drain connection with float valve, quick fill and control valves etc. as required.

Make Up Tank Supply,installation,testing and commissioning of HDPE make up tank of size 3000 Ltr complete with air vent and drain connection & overflow, make up connection with float valve & foundation etc. complete.

AIR DISTRIBUTION M&L for Gl sheet metal ducts made of Gl sheet of Class -VIII as per IS -277 of following thickness for supply air ducting as per IS - 655 and as required by the specifications for 24 gauge galvanised sheet steel complete.

Description complete all as per item no 1.74 but for 22 gauge galvanised sheet steel

Description complete all as per item no 1.74 but for 20 gauge galvanised sheet steel

Supply, fabrication, installation and testing the flexible connections constructed of fire resistant double resin sleeve as per the approved shop drawings.

Grilles/ Diffusers. Supplying, fixing, testing and commissioning of powder coated extruded aluminium section supply air grill/ diffuser with powder coated paint and with volume control dampers complete as required.

Supplying, fixing, testing and commissioning of powder coated extruded aluminium section return air grill/ diffuser with powder coated paint and without volume control dampers complete as required.

Fresh Air Grilles 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 complete as required.

Supply, installation, testing and commissioning of motorised combined fire damper complete with control panel, inter connecting wiring at locations shown in approved shop drawings and as per specifications: Fire Dampers.

Description complete all as per item no 1.81 but for Actuators

Description complete all as per item no 1.81 but Control Panel & Wiring

THERMAL INSULATION Supply, installation, testing and commissioning of acoustic insulation of duct as shown on drawing with 25 mm th. resin bonded fibre glass, of 48 kg/cum density, covered with and 28 G Aluminium perforated sheet all as specified.

Supply installation testing and commissioning of thermal insulation of duct with 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 0.035W/Mk an average temp of 40 deg C covered with aluminium faced foil complete with application with rubber based adhesive pidilite SR 998 and 50mm x 3mm thick self adhesive tape on both longitudinal & transverse joints simultaneously all as specified and repairing damage to building etc. and conforming to the manufacturer's specification as approved complete all as directed.

Water Cooled Chilling Machines Supply. Installation, testing and commissioning of Water Cooled Central type AC Plant of cap 3 Nos. x 24.0 TR (2x24 TR working and 1x24 TR stand by ) complete and comprising of: - for BASE OPS Bldg Chiling machines fitted with hermetically sealed compressor, multicircuit Dx chiller,water cooled S&T condenser, Microprocessor based control panel,suitable for R-407 C Refrigerant, Shell & Tube Insulated Evaporator,Expansion Device, Suitable capacity Control Mechanism actual Cooling capacity on following Operation Parametres. Complete as per specification: Chilled Water Entering Temperature : 12.17 deg C Chilled Water Leaving Temperature 6.67 deg C Evaporator Fouling Factor 0.0001 MKS Condenser Water Entering/Leavinq Temperature at 36.2/32.4 deq C Refriqerant : R-407 C Maximum Allowable IKW / TR @ 100% Load : 1.55 Scope of Supply Scroll compressor hermetic complete with suaitble capacity squirell cage induction motor with class F' insulation suitable for operation on 415+ 10% volts, 50Hz, A C. supply and automatic capacity control, safety switches, forced feed lubrication system etc. as per specifications.

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. Matching Water Cooled condenser having Copper tube with Mechanically bonded aluminium fins. Matching DX type chiller for Chiller units Refriqerant piping fittings, valves and accessories to interconnect compressor, condenser, chiller and expansion valve Microprocessor based control panel complete with all safeties, controls and LCD display as per specifications. Refrigerant line accessories comprising of safety valves, angle valve, liquid line indications. Suction line and chiller insulation with minimum 19mm thick polyvinyl nitril rubber insulation complete as required. Frame work for mounting the above condenser, chiller compressor and motor with base plate complete with anti vibration pads/springs. Initial / first charge of refrigerant gas and compressor oil. PCC cement concrete foundation for the Chiller unit (2 W + 1 S)

Chilled Water Pump Set Supply, erection, testing and commissioning of centrifugal mono block type chilled water pump set capable of delivering 240 LPM of water against 26 mtr head each comprising of the following and complete as per specifications . 1 No - mono block type pump 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. Lot- insulation of pump of 13 mm thick with aluminium foil faced closed cell chemically crossed linked XPE foam material. 2 Nos. -100 mm dia dial type pressure gauges. Lot- Mountinq frame with Anti vibration pads. Lot-PCC cement concrete foundation for the pump unit (2 workinq simultaneously & 1 standby—Each of 100% cap)

Condenser Water Pump Set Supply, erection, testing and commissioning of centrifugal mono block Condender water pump set capable of delivering 360 LPM of water against 20.00 mtr head each comprising of the following and complete as per specifications: 1 No.- mono block type pump 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. 2 Nos -100 mm dia dial type pressure gauges. Lot- Mounting frame with Anti vibration pads. Lot-PCC cement concrete foundation for the pump unit (2 workinq simultaneously & 1 standby—Each of 100% cap)

Supply, erection, testing and commissioning of Winter Heating and Monsoon re Heating with finned type strip heaters of capacity 3 KW x 12 Nos & 3 KW x 9 Nos complete with all controls and accessories as per specifications

Supply, erection, testing and commissioning of pan type humidifier of 6.0 KW made of S S sheet duly insulated complete with all standard controls and accessories as per specifications.

AIR HANDLING UNITS Supply, Installation, testing and Commissioning of double skin Floor mounted type air handling units fabricated & assembled complete, made of 25 mm thick panels consisting of Gl 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, 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 forward / backward curved fan suitable for 40 mm SP, access door etc. complete as per std. specification Maximum face velocity across the coil shall be 500 FPM and each 6 Row deep cooling coil, RH to be maintained at 55 %± 5 of followinq capacities and comprising of :- Coil of copper tube and aluminium construction sized at maximum face velocity of 500 FPM. Pre filter of of 10 micron at 90% efficiency on the face of the coil in return air stream. 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. Fan belt drive package Vibration isolators. Fan outlet velocity not exceeding 10 mps. Taq No. Space CFM TR AHU No. 1 GF 20000 48.0

COOLING TOWER Supply, Installation, testing and commissioning of FRP cooling tower of minimum 60 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 (MS-I sections) fixed in masonry foundations with cement concrete footing, second class brick work and cement mortorl 1:6; all accessories, basin fittings, fan, fan motor suitable for 415 Volt supporting structure, anti vibration mountings etc. complete and 50 HZ power supply having isolator panel with MCB at cooling tower and with following technical data. (a) Water flow/tower 240 USGPM (b) Ent. Water Temp 97 °F (c) Basin water Temp. 90 °F

Water Cooled Chilling Machines Supply, Installation, testing and commissioning of Water Cooled Central type AC Plant of cap. 3 Nos. x 11 0 TR ( 22.0 TR working and 11.0 TR stand by ) complete and comprisinq of:- for CRRW SCTION Bldg Chilling Machines fitted with hermetically sealed compressor, multi circuit Dx chiller,water cooled S&T condenser, Microprocessor based control panel,suitable for R-407 C Refrigerant, Shell & Tube Insulated Evaporator,Expansion Device, Suitable capacity Control Mechanism actual Cooling capacity on following Operation Parametres. Complete as per specifications Chilled Water Entering Temperature : 12.17 deg C Chilled Water Leaving Temperature : 6.67 deg C Evaporator Fouling Factor : 0.0001 MKS Condenser Water Entering/Leaving Temperature at 36 2/32.4 deg C Refrigerant : R-407 C Maximum Allowable IKW / TR @ 100% Load 1.55 Scope of Supply Scroll compressor hermetic complete with suaitble capacity squirell cage induction motor with class 'F’ insulation suitable for operation on 415+ 10% volts, 50Hz A C supply and automatic capacity control, safety switches, forced feed lubrication system etc as per specifications. 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. Matching Water Cooled condenser having Copper tube with Mechanically bonded aluminium fins.

Matching DX type chiller for Chiller units Refrigerant piping fittings, valves and accessories to interconnect compressor, condenser, chiller and expansion valve. Microprocessor based control panel complete with all safeties, controls and LCD display as per specifications. Refrigerant line accessories comprising of safety valves, angle valve, liquid line indications. Suction line and chiller insulation with minimum 19mm thick polyvinyl nitril rubber insulation complete as required. Frame work for mounting the above condenser, chiller compressor and motor with base plate complete with anti vibration pads/springs. Initial / first charge of refrigerant gas and compressor oil. PCC cement concrete foundation for the Chiller unit (2 W + 1 S)

Chilled Water Pump Set Supply, erection, testing and commissioning of centrifugal mono block type chilled water pump set capable of delivering 220 LPM of water against 26 mtr head each comprising of the following and complete as per specifications:- 1 No.- mono block type pump 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 Lot- insulation of pump of 13 mm thick with aluminium foil faced closed cell chemically crossed linked XPE foam material. 2 Nos. -100 mm dia dial type pressure qauqes. Lot- Mounting frame with Anti vibration pads. Lot-PCC cement concrete foundation for the pump unit (1 working simultaneously & 1 working standby—Each of 100% cap)

Condenser Water Pump Set Supply, erection, testing and commissioning of centrifugal mono block Condender water pump set capable of delivering 330 LPM of water against 20.00 mtr head each comprising of the followinq and complete as per specifications 1 No - mono block type pump 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 2 Nos. -100 mm dia dial type pressure gauges. Lot- Mounting frame with Anti vibration pads. Lot-PCC cement concrete foundation for the pump unit (1 working simultaneously & 1 standby—Each of 100% cap)

Supply, erection, testing and commissioning of Winter Heating and Monsoon re Heating with finned type strip heaters of capacity 3 KW x 6 Nos & 3 KW x 3 Nos complete with all controls and accessories as per specifications

Supply, erection, testing and commissioning of pan type humidifier of 6.0 KW made of S.S sheet duly insulated complete with all standard controls and accessories as per specifications.

AIR HANDLING UNITS Supply, Installation, testing and Commissioning of double skin Ceiling Suspended / Floor mounted type air handling units fabricated & assembled complete, made of 25 mm thick panels consisting of Gl 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, 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 forward / backward curved fan suitable for 40 mm SP, access door etc. complete as per std specification. Maximum face velocity across the coil shall be 500 FPM and each 6 Row deep cooling coil. RH to be maintained at 55 %+ 5 of followinq capacities and comprising of :- Coil of copper tube and aluminium construction sized at maximum face velocity of 500 FPM Pre filter of of 10 micron at 90% efficiency on the face of the coil in return air stream. 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. Fan belt drive packageVibration isolators.Fan outlet velocity not exceeding 10 mps. Tag No. Space CFM TR AHUNo.1 GF 9000 22.0

COOLING TOWER Supply, Installation, testing and commissioning of FRP cooling tower of minimum 30 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 (MS-I sections) fixed in masonry foundations with cement concrete footing, second class brick work and cement mortor1:6; all accessories, basin fittings, fan, fan motor suitable for 415 Volt supporting structure, anti vibration mountings etc. complete and 50 HZ power supply having isolator panel with MCB at cooling tower and with following technical data. (a) Water flow/tower 120 USGPM (b) Ent. Water Temp. 97 °F (c) Basin water Temp 90 'F

Dismantaling wall and ceiling board (fiber, pulp, insulation etc.) or insulation boards/ slabs/ blankets/ any thickness, any size including cover fillets complete all as specified and directed by engineer in charge.

M & L for Gypsum Board 12mm thick in ceiling fixed with screw as per manufacturers instructions including Gl frame work for seamless ceiling comprising of Gl perimeter channnel 0.55 mm thick with two unequal flanges of 20 and 30 mm and web of 27 mm fixed to surrounding wall using nylon sleeves and screws at 450 mm centre to centre/intermediate channel 0.9 mm thick having two equal flanges of 15 mm each and web of 45 mm suspended from soffit at approx 900 mm centre to centre with Gl cleat and steel expansion fasteners with and including ceiling section (not exc 1.2 m length) of 0.55 mm thickness having kurled web of 50 mm and flange of 26 mm each with lips of 10.5 mm fixed to the intermediate channel with connecting clips across the intermediate channel at 457 mm centre to centre including Hangers 6 mm dia. G.I. (upto 1200mm length) adjusting level fixed to roof slabs by means of ceilling cleats made out of G.I. flat 40 x 3 mm size 60mm long and expansion hold fasteners 12.5mm dia. 40mm long complete finished all as specified and directed by engineer in charge.

Operation and Maintenance of AC plant of BASE OPS round the clock in SUMMER, MONSOON and WINTER season including on Sundays and holidays for cooling/ heating to achieve desired temperature and other conditions through out the period. (Total 03 shift in one day with one Refrigeration Mech in each shift)

Operation and Maintenance of AC plant in SUMMER, MONSOON and WINTER season including on Sundays and holidays for cooling/ heating to achieve desired temperature and other conditions through out the period at following installations:- 1. CRRW Section 2. Photo Section 3. Electrical Instrument Sec (Total 02 shift in one day with one Refrigeration Mech in each shift) Note:- All three plants run by only one operator

Leo Air and Power Solution pvt Ltd.

SHRI RAMSONS PROJECTS CORPORATION

Electromech Engineers

AP BUILDERS