PROVISION OF AIR CONDITIONING 120T CAPACITY IN MAGAZINE AT NAVAL ARMAMENT DEPOT KARANJA

Amount

WATER-COOLED SCROLL TYPE CHILLER UNIT (2W + 1S): Supply, installation, testing and commissioning 3 STAR rated of ISEER certified, factory designed, pre-fabricated and floor-mounted Inverter scroll type water cooled chiller machine of at least 52 TR nominal capacity at site conditions complete with hermetic scroll inverter compressors having independent refrigerant circuits & automatic stepless capacity control, water-cooled FLOODED condenser, S/T horizontal DX COOLER type EVAPORATOR with carbon steel shell and seamless copper tubes with elastomeric insulation, suitable numbers of unit mounted variable frequency drive (VFD) along with necessary drive arrangement, lubrication system as per manufacturer's design required for smooth and trouble-free operation of the chiller package, common base frame, interconnected copper refrigerant piping along with elastomeric insulation, fittings, valves, expansion valves and accessories to interconnect compressor, condenser, chiller and expansion valve, microprocessor based control panel comprising of controls including sensors and equipped with a keyboard, LCD touchscreen access input system, protection and monitoring devices to perform control functions , wiring, vibration isolators, gauge panel, automatic safety controls, flow switch at evaporator and condenser and ozone friendly, CFC-free refrigerant all complete as specified and directed by the engineer-in-charge. All as per Blue Star model No. XWC2YVS-052AR3 or equivalent in Voltas/Carrier/Daikin/Trane

The chiller shall conform to the following requirements / specifications: [i] Chilled water inlet/outlet temperature: 12/7 ˚C [ii] Evaporator fouling factor: 0.00010 ⁰Fft²hr/Btu [iii] Evaporator side pressure drop: 3 m of H2O (maximum) [iv] Condenser water inlet/outlet temperature: 32/36 ˚C [v] Condenser fouling factor: 0.00025 ⁰Fft²hr/Btu [vi] Condenser side pressure drop: 6 m of H2O (maximum) [vii] Minimum COP @ 100% load: 5.6 at ISEER condition [viii] Minimum IPLV @ 100% load: 7.36 at design condition [ix] Refrigerant (Ozone friendly type): R410A / R407C [x] Test standard: ARI 550 / 590

NOTES:[i] The quoted rate shall be inclusive of variable frequency drive (VFD) configured in accordance with site parameters, victaulic coupling and system integrator capable of giving industry standard (Modbus/BACnet) output to BMS for critical parameters. [ii] Mapping shall be required for all critical points displayed on the chiller control panel. The chiller shall be BMS compatible and shall have RS485 / RS232 serial communication protocol. [iii] The motor shall be suitable for 3- Phase, 415 V ± 10%, 50 Hz AC electric supply and the microprocessor based control panel shall have an IP 54 rating. [iv] Initial / first charge of refrigerant gas & compressor shall be deemed included in the quoted rate. [iv] Necessary civil work viz. foundation for placement of chillers, etc. shall be deemed included in the scope of work.

CHILLED WATER CIRCULATION PUMP (2W + 1S):: Supply, installation, testing and commissioning of monoblock, self-priming, single-stage centrifugal pump, capable of 8.50 LPS discharge at 20 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor having class 'B' insulation, IE3 efficiency, conforming to IS 12615: 2018 and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of apppropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Kirloskar KDS-538+, Mather & Platt, Crompton Greaves

NOTES:[i] Necessary civil work viz. foundation for placement of pump, mounting of star/delta starter panel and pump accessories shall be covered in the scope of work.

FRP INDUCED DRAUGHT COOLING TOWER : Supply, installation, testing and commissioning of FRP rectanguler shape, vertical, induced draught counter flow cooling tower of (125 TR) size with uniform water distribution and optimal heat transfer, having tough fiberglass reinforced plastic (FRP) casing of sufficient structural strength to withstand vibrations and wind velocity upto 60 m/s, FRP basin, rigid honeycomb type PVC fill of suitable thickness, SS sprinklers and non-clogging sprinkler pipes, FRP drift eliminator, energy efficient induced draught axial type fans with factory set and dynamically balanced blades pitch, IE3 TEFC squirrel cage induction motor, suitable for operation on 3- Ph, 415 V, 50 Hz AC supply with IP 65 protection for enclosure, conforming to IS 12615: 2018, inlet, outlet, drain and over-flow nozzle connections, etc. complete with accessories as specified and directed by the engineer-in-charge. Make: Delta, Advance, Mihir, PAHARPUR

NOTES: [i] Necessary civil work viz. foundation, supporting structure, etc. for placement of cooling tower shall be deemed to be included in the scope of work.

CONDENSER WATER PUMP (2W + 1S): Supply, installation, testing and commissioning of monoblock, self-priming, single-stage centrifugal pump, capable of 11.7 LPS discharge at 12 MWC head, having cast iron casing, enclosed type dynamically balanced cast iron impeller, carbon steel pump shaft, gland packed sealing, deep groove ball bearings, etc. with TEFC squirrel cage induction motor having class 'B' insulation, IE3 efficiency, conforming to IS 12615: 2018 and suitable for operation on 3-Ph, 415 V±10%, 50 Hz AC supply, base plate, mounting channel frame, accessories and fittings, viz. pressure gauges, thermometers, drains, coupling, coupling guard, vibration isolation arrangement by means of spring / rubber type mounting complete all as specified and directed by engineer-in-charge. Make: Kirloskar, Mather & Platt, Crompton Greaves

NOTES: [i] Necessary civil work viz. foundation for placement of pump shall be covered in the scope of work.

EXPANSION TANK FOR CHILLED WATER PIPING: S & F SS- 304 closed expansion tank of 50 litre capacity with pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, conforming to IS: 2825- 1969 for 'non-fired pressure vessels' complete with inter-connection piping, non-return valve, safety relief valve and pressure gauge, insulated with 50 mm thick elastomeric insulation and cladded with 26 gauge aluminium complete with accessories as specified and directed by the engineer-in-charge.

HDPE MAKE-UP WATER TANK FOR COOLING TOWER: S & F multilayered HDPE make-up water tank of 10000 litre capacity made up of 100% virgin material, having 100% UV stabilized white outer layer, threaded lid, extra insert lid for protection against algae formation complete with inter-connection piping and non-return valve etc including tank to placed on suitable staging complete all as specified and directed.

HVAC PANEL: Supply, installation, commissioning and testing of factory made, CPRI type tested, outdoor, cubical compartmental type "HVAC Panel" of suitable size, conforming to IEC 61439-1 &2, IEC 61641, having both sides openable with hinged double doors & locking arrangement and IP 42 protection made out of 3.15 mm thick mild steel CRCA sheet, supported and fixed on structural frame of angle iron of suitable size, including earthing stud, labeling, painting to all internal & external exposed steel surfaces with powder coating paint (7 tank process), duly fixed in ground with PCC foundation (1:2:4) type B1, with danger notice plate of 1.6 mm thick mild steel sheet, vitreous enameled (white) with letters figures and conventional skull and bones in signal red colour, suitable for 3- Phase 4 Wire system, 500 V grade with necessary wiring, PVC sheathed stranded copper conductor of appropriate length & size, including fixing lugs, bolts, screws etc. complete with accessories as specified and directed by the engineer-in-charge. Make: Schneider, ABB, Siemens, L & T, CPRI type tested

The HVAC Panel shall comprise of the following: Busbar Chamber: [i] 01 Set (3L + N) of copper busbar of rated capacity 400 A, covered with PVC insulated sleeves including insulator, nuts, bolts, etc. with complete connection

Incoming: [i] 400 A, 415 V, Ics = 100% Icu = 36 kA, 50 Hz FP MCCB, conforming to IEC 60947-2, having microprocessor based trip unit, adjustable overload setting (0.7 - 1 X In), adjustable short-circuit setting (5 - 10 X Ir), adjustable neutral protection (N, N/2, OFF), front indication LEDs (Ready, Overload and pre-alarm & Overload), etc.- 01 Nos. [ii] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 01 Nos. [iii] LED phase indicators (Red, Yellow, Blue)- 01 Set

Outgoing: [i] 125 A, 415 V, Ics = Icu = 16 kA, conforming to IEC 60947- 2, 50 Hz, FP MCCB with adjustable thermal settings & fixed magnetic settings with compression lug connectors and thermal magnetic trip unit (TMD)- 03 Nos. [for chillers] [ii] 63 A, 415 V, Ics = Icu = 16 kA, conforming to IEC 60947- 2, 50 Hz, FP MCCB, 25kA - 02 Nos. [for AHUs] [iii] 32 A, 415 V, Ics = Icu = 16 kA, conforming to IEC 60947- 2, 50 Hz, FP MCB (C-Curve)- 08 Nos. [for chilled water supply pump, condenser water supply pump & cooling tower] [iv] 32 A, 230 V, 50 Hz, SPN MCB (C- curve)- 01 Nos. [for AC Plant Room] [v] Auomatic DOL starter for chilled water circulation pump [5 HP]-3Nos [vi] Auomatic DOL starter for condenser water pump [5 HP]-3Nos [vii] Auomatic DOL starter for cooling tower fan motor [2 HP]-2Nos [viii] LED phase indicators (Red, Yellow, Blue)- 13 Set [ix] Cl 1.0 multi-function meter capable of measuring V, A, F, PF, W/VA, Wh/VAh, Runhrs. Onhrs & interupts- 13 Nos.

NOTES: [i] The panel shall be completely Ethernet communication ready to communicate with Energy Management System & shall be Web based application in-built. [ii] The Panel shall be with wireless energy sensor on incomer and outgoing feeders for monitoring (V, I, P, PF, Energy), voltage loss alarm, Unbalance in phases. Same shall be communicated through Ethernet communication gateway to centralised Energy Monitoring System.Make: L & T, Schneider, /CPRI approved manufactures

POWER CABLES: M & L for ISI marked 1.1 kV grade aluminium conductor, XLPE insulated armoured cables, conforming to IS: 7098 (Part 1)- 1988 having stranded aluminium compact shaped conductor as per Cl. 2, IS: 8130- 1984, PVC inner sheath, single armouring of galvanized steel strip/wire and PVC Type ST- 2 outer sheath conforming to IS: 5831- 1984, including termination complete as specified and directed. Make: RR Kabel, Polycab, Havells

(a) 4 core, 10 mm² (For Pumps)

(b) 3.5 core, 35 mm² (For APFC Panel)

(c) 3.5 core, 70 mm² (For AHUs)

M & L for 1.1 kV grade, 3.5 core, 50 mm² copper conductor, XLPE insulated armoured cable conforming to IS 7098 (Part 1): 1988, having stranded copper compact shaped conductors as per Cl. 2 of IS 8130: 1984, PVC inner sheath, single armouring of galvanised steel strip/wire and PVC Type ST-2 outer sheath conforming to IS 5831: 1984, including necessary clamping / dressing with cable ties and termination complete all as specified and directed by engineer-in-charge. Make: RR Kabel, Polycab, Havells

EARTHING: M & L for earthing complete with copper earth plate electrode of 60 cm x 60 cm x 3.15 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to copper strip of size 20 mm x 3 mm as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. complete as specified and directed by the engineer-in-charge. Notes: (i) The cost of GI earth continuity conductor with GI pipe 40mm medium grade upto 7.5m is deemed to be included in r/o above item (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item

M & L for earth contuinity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20 mm X 3 mm copper strip complete as specified and directed by the engineer-in-charge.

M & L for earthing complete with galvanized steel earth plate electrode of 60 cm x 60 cm x 6 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI wire of 4.0 mm diameter as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc. complete as specified and directed by the engineer-in-charge. Notes: (i) The cost of GI earth continuity conductor with GI pipe 40mm medium grade upto 7.5m is deemed to be included in r/o above item (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item

M & L for earth contuinity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required GI wire of 4.0 mm diameter complete as specified and directed by the engineer-in-charge.

M & L for earthing complete with GI earth plate electrode of 60 cm x 60 cm x 6 mm size, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to GI strip of size 32 mm X 6 mm as earth lead, by means of bolts, buts, check nuts and washers of galvanised iron or steel, galvanized iron pipe of 40 mm diameter, connected to earthing test point, all as shown in electrical plate No. 5 connected to earthing test point all as specified or indicated including testing on completion and including excavation, earthwork, PCC earth pit of dimensions 550 mm X 550 mm (outer) and 300 mm X 300 mm (inner) and 250 mm deep, with a 10 mm thick CI cover, hinged to CI frame on ground level, GI watering pipe, funnel, etc.complete as specified and directed by the engineer-in-charge. Notes: (i) The cost of GI earth continuity conductor with GI pipe 40mm medium grade upto 7.5m is deemed to be included in r/o above item (ii) The earth chamber to be constructed 0.5m from edge of earth pit with necessary watering arrangement. The cost for the same is deemed to be included in above item

M & L for earth contuinity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required GI strip of 32 mm x 6 mm diameter complete as specified and directed by the engineer-in-charge.

CONDENSER WATER PIPING: MS ERW CLASS- C PIPE : Supply, laying / fixing, testing and commissioning of condenser water piping including necessary fittings viz. bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fastners) with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Tata, Jindal, Surya

(a) 125 mm NB

(b) 80 mm NB

(c) 65 mm NB

(d) 40 mm NB

NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above.

Y- STRAINER: Supply, installation, testing and commissioning of 80 mm NB cast steel bolted cover Y-type strainer with CCS body conforming to ASTM A- 216 Gr. WCB, AISI 304 screen with 1.2 mm diameter perforation, 20 kg/cm2 body test pressure & 20 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

BUTTERFLY VALVE: Suply, installation, testing and commissioning of wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF 8 stainless steel disc, AISI- 410 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan

(a) 125 mm NB

(b) 80 mm NB

(c) 65 mm NB

(d) 40 mm NB

NON-RETURN VALVE: Suply, installation, testing and commissioning of 65 mm NB wafer type PN 1.6 rated swing check type multidoor reflux valve (NRV), designed & tested as per IS 5312 (Part- 2): 1986, suitable to handle clear water having turbidity up to 5000 PPM, having CI body, door and diaphram, leaded tin bronze seat rings and flange drilling standard end connection, etc. with other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan, L&T, Castle

BALANCING VALVE: Supply, installation, testing and commissioning of precise balancing, double regulation type cast iron balancing valve having FG 200 cast iron body conforming to IS 210: 2009, copper alloy trim, stainless steel 2 Cr. 13 stem, 2.4 MPa body test pressure & 1.6 MPa maximum working pressure and standard flange ends with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan, Castle

(a) 125 mm NB

(b) 80 mm NB

CHILLED WATER PIPING: MS ERW CLASS- C PIPE WITH INSULATION: Supply, laying / fixing, testing and commissioning of chilled water circulation piping including necessary fittings viz. bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe in excavated trenches or on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fastners) with necessary accessories duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of apppropriate thickness but not less than 25mm laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Tata, Jindal, Surya for pipes & Armacell, K-Flex, Aeroflex for insulation

NOTES: [i] The pipe size 150 mm NB & below shall be MS 'C' class as per IS 1239 (Part- 1): 2004 & IS 1239 (Part- 2): 2011. [ii] The pipe size above 150 mm NB shall be welded black steel pipe heavy class as per IS 3589: 2001. [iii] Minimum thickness of MS sheet for pipe size above 150 mm NB and up to 350 mm NB shall be 6.35 mm and it shall be 7 mm for pipe size 400 mm NB and above.

Y- STRAINER: Supply, installation, testing and commissioning of cast steel bolted cover Y-type strainer with CCS body conforming to ASTM A- 216 Gr. WCB, AISI 304 screen with 1.2 mm diameter perforation, 20 kg/cm2 body test pressure & 20 kg/cm2 maximum working pressure and standard flange end conforming to BS 10 Table F / Class-150 duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of apppropriate thickness but not less than 20mm laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan, Hammer, Emerald for strainer & Armacell, K-Flex, Aeroflex for insulation

BUTTERFLY VALVE: Suply, installation, testing and commissioning of wafer type PN 1.6 rated short pattern CI butterfly valve having Gr. FG-200 CI body conforming to IS 210: 2009, seat having EPDM rubber lining, CF 8 stainless steel disc, AISI- 410 stainless steel stem, 2.4 MPa body test pressure & 1.6 MPa seat test pressure and standard flange end conforming to BS 10 Table D/E & ANSI B 16.1 CI- 125 duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of apppropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge.Make: Advance, Sant, Hindustan, L&T, Castle for valve & Armacell, K-Flex, Aeroflex for insulation

NON-RETURN VALVE: Suply, installation, testing and commissioning of 50 mm NB wafer type PN 1.6 rated swing check type multidoor reflux valve (NRV), designed & tested as per IS 5312 (Part- 2): 1986, suitable to handle clear water having turbidity up to 5000 PPM, having CI body, door and diaphram, leaded tin bronze seat rings and flange drilling standard end connection, etc. duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of apppropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Advance, Sant, Hindustan, L&T, Castle for valve & Armacell, K-Flex, Aeroflex for insulation

BALANCING VALVE: Supply, installation, testing and commissioning of 80 mm NB precise balancing, double regulation type cast iron balancing valve having FG 200 cast iron body conforming to IS 210: 2009, copper alloy trim, stainless steel 2 Cr. 13 stem, 2.4 MPa body test pressure & 1.6 MPa maximum working pressure and standard flange ends duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of apppropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. (Chiller - 03 Nos + AHU - 02 Nos) Make: Advance, Sant, Hindustan for valve & Armacell, K-Flex, Aeroflex for insulation

3-WAY TEMPERATURE CONTROL VALVE: Supply, installation, testing and commissioning of 80 mm NB electronic, self-balancing, pressure independent type dynamic balancing valve rated for minimum 25 bar working pressure with integrated 3-way modualating control valves in a single body and actuator capable of accepting upto 10 V DC and up to 20 mA electric signal and provide similar transduced feedback output to control system duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of apppropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Honeywell, Danfoss, Advance, Rapid Cool, Anergy for valve & Armacell, K-Flex, Aeroflex for insulation

NOTES:: [i] Maximum close off pressure shall not be less than 6 bar for upto 50 mm valves. [ii] Maximum close off pressure shall not be less than 7 bar for 65 mm & above.

BALL VALVE: S & F of CL 150 # rated 20 mm NB ball valve, designed & manufactured as per IS: 9890 (1981) and tested as per BS 6755 Part- I, having floating type three piece design, CS body, SS- 304 ball, PTFE seal/packing/gasket, CS fastners and lever and screwed/socket weld end connection, etc. duly insulated with FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR) of apppropriate thickness laminated with 12 micron aluminium foil facing with reinforced glass scrim along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge.

DRAIN & INSTRUMENTATION PIPING: MS ERW CLASS- C PIPE : Supply, laying / fixing, testing and commissioning of drain piping including necessary fittings viz. bends, tees, reducers, flanges, air purge valves, drain valves, structural support, necessary clamps, vibration isolators, etc. including painting and supporting / fixing the pipe on floor / wall / ceiling with clamps, hangers, angles, channels (using anchor fastners) with necessary accessories complete all as specified and directed by engineer-in-charge. Make: Tata, Jindal, Surya

BALL VALVE: S & F of CL 150 # rated ball valve, designed & manufactured as per IS: 9890 (1981) and tested as per BS 6755 Part- I, having floating type three piece design, CS body, SS- 304 ball, PTFE seal/packing/gasket, CS fastners and lever and screwed/socket weld end connection, etc. with accessories complete all as specified and directed.

AUTO AIR-VENT: Supply, installation, testing and commissioning of automatic air-vent valve with 20 mm end connections, brass OT 58 body and cover, polyacetal lever, high density expanded polyethylene float, EPDM rubber plug, stainless steel spring, polyamide cap etc. suitable for maximum operating pressure of 16 bar and maximum operating temperature 115 °C respectively, installed on all high points in the water piping system to automatically remove the trapped air complete all as specified and directed.

TEMPERATURE GAUGE: S & F of 6" dual scale (°F/°C), lower mount (radial), bimetal thermometer having 0.5 NPT process connection, Grade A accuracy class as per ASME B40.200, stem diameter 6.35 mm, laminated safety glass window, stainless steel 304 case, steam, process connection & joint, aluminium dial & pointer, IP67 protection, scale range 0- 60 °C complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI, H Guru

PRESSURE GAUGE: S & F of 4" bourdon tube pressure gauge conforming to EN 837-1, having copper alloy process connection & pressure element, plastic black pointer & case, plastic crystal-clear window, snap-fitted in case, accuracy class 2.5, scale range 0- 25 bar complete with accessories, etc. as specified and directed by engineer-in-charge. Make: General, WIKA, TSI, H Guru

AIR DISTRIBUTION: DOUBLE SKIN AIR HANDLING UNIT: Supply, installation, testing and commissioning of double-skin type horizontal, floor-mounted, top / side discharge air handling unit capable of delivering 28000 CFM air at 3" W.G. static pressure using gaskets and self-adhesive tapes and 0.6 mm thick pre-coated outer skin and 0.6 mm thick GI inner skin, 25±2 mm thick double skin panel with pressure injected CFC & HCFC free PUF having 'k' value of 0.02 W/°C/m & density 40 kg/m³, AMCA certified energy efficient plug fans with backward curved impellers for high static pressure mounted on aluminium extruded siderail base frame with VFD, EU4 pre-filter (shall be mounted on a common frame), combination of 6/8 rows deep chilled water coils with anti-corrosion aluminium fins, suitable high efficiency (IE3) TEFC squirrel cage induction motor, electric step heater, PVC/nylon hinges & handles, view port and marine lamp, limit switch, SS-304 drain pan, vibration isolators/rubber pads (minimum 1" thick) inspection windows / doors, mixing box and supply / return / fresh air openings fitted with aluminium volume control dampers complete all as specified and directed by the engineer-in-charge. Make: Trane, Edgetech, York, Zeco

The AHU shall comprise of the following: [a] Suitable DIDW backward curved plug fan, dynamically balanced, with AMCA certified blower [b] Flameproof foot mounted (B3 construction) 3-Phase squirrel cage induction motor 415 V ± 10%, 50 Hz ± 5 %, combined variation ±10%, insulation class F, (for Blower of AHU) of 15 kW capacity, 28000 CFM with temperature rise limited to class B, degree of protection IP 55, duty 51, ambiant temperature 45 ºC, conforming to IS 12615: 2011, IS/IEC 60079-1: 2007, IS 3682: 1966 gas group II A, II B [c] Flexible connetion made with airtight ASTM E84 (Class I) polyester fire retardant cloth riveted on periphery of cloth with extruded aluminium 'L' angle flange as per fan size at discharge duct/plenum [d] A wetted type or viscous type & Washable type of 'EU4' filter (pre-filter, efficiency 90% down to 10 micron)

[e] 6 / 8 rows deep chilled water cooling coil section with 0.15 mm thick copper fins and 0.36 mm diameter copper tubes tested on 21 kg/cm², with SS sandwiched drain tray, etc. (a 350 mm service section between eliminator and heater is required) [f] Condensate drain pan fabricated from 18 gauge SS 304, powder coated and insulated with elastomeric insulation of suitable thickness [g] Heater banks of suitable configuration consisting of strip heaters along with power and control wiring, electric starters, air stat, humidistat and any other control require to operate the heater bank and safety device. [h] AHU panel made out of 2.00 mm thick mild steel CRCA sheet, duly powder coated in compartamentalised construction with incomer and outgoing feeders for AHU motor, 3-way valve actuator motor, fire damper actuator motor, etc. complete with required variable frequency drive (VFD), relays, timers, contactors, PT, push buttons, switches, internal wiring, etc.

NOTES:[i] The price of VFD and other necessary control equipment is deemed included in the quoted rate. VARIABLE FREQUENCY DRIVE: Supply, installation, commissioning and testing of Variable Frequency Drive (VFD) with IP 55 enclosures and mains disconnect switch suitable for 15 kW and comprising of the following complete with accessories as specified and directed by the engineer-in-charge. Make: Danfoss, Schneider, L&T, ABB, Siemens, Fuji [ii] Necessary civil work viz. foundation for placement of AHU, mounting of variable frequency drive (VFD) panel, construction of opening(s) for fresh/exhaust air etc. shall be covered in the scope of work. [iii] A spare motor (specified in [b]), which will be measured and paid for separately, to be procured and placed in AHU room.

Supply, installation, testing & commissioning of flameproof foot mounted (B3 construction) 15 kW 3-Phase squirrel cage induction motor 415 V ± 10%, 50 Hz ± 5 %, combined variation ±10%, insulation class F, (for Blower of AHU) of suitable capacity, 28000 CFM with temperature rise limited to class B, degree of protection IP 55, duty 51, ambiant temperature 45 ºC, conforming to IS 12615: 2011, IS/IEC 60079-1: 2007, IS 3682: 1966 gas group II A, II B complete all as specified and directed by engineer-in-charge. Note: The motor shall be kept in a closed container on a one feet height PCC pedestal inside AHU.

FIRE DAMPER: Supply, installation, testing and commissioning of fire damper, at least of 120 minutes fire-rating, spring activated on melting of fusible link having melting point 67.13° C complete with smoke detector / thermister, fusible link etc. and actuator as required for operation, located in the SA / RA ducts, at all fire rated crossoevers (shafts, walls, etc.). along with control panel (located in such a way that the reset can easily be done), interlocked with the building management system for the fire detection or HVAC to trip / close in the event of fire/smoke in the respective zone and tested as per ULL- 555 and certified by CBRI complete all as specified and directed by engineer-in-charge. Make: Ruskin Titus, Trox, Rola Star, Zeco, Air Flow

The fire dampers shall meet the following criteria: [a] Bare fire dampers with 400 mm sleeve [b] Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position. [c] Interconnection wire for the fire detection & alarm system with the AHU and the smoke dampers [d] Sealing any openings around the sleeve of the fire dampers with approved fire sealant as per the specification & recommandations of the manufacturer. NOTE: Technical specifications for item No. 35.02 & 35.03 included in item No. 35.00 & 35.01

Motorized, spring return type, combination fire and smoke damper

Control panel actuator, including electrical spring type actuator, remote indication of the fire damper position.

GALVANIZED STEEL SHEET DUCTING: Supply, installation, balancing and commissioning of factory fabricated galvanized steel sheet metal (G.S.S.) round / rectangular ducting of following sheet thickness having zinc coating of 120 g/m² total on both sides and complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, volume control dampers, hangers, supports, etc. as per approved drawings and conforming to the latest edition of IS 655: 2006 & HVAC Duct Construction Standards - Metal and Flexible of SMACNA along with required scaffolding work to install the ducts at site complete all as specified and directed by engineer-in-charge. Make: Ruskin Titus, Trox, Rola Star, JINDAL

26 G (MS angle flanges)

24 G (MS angle flanges)

22 G (MS angle flanges)

20 G (MS angle flanges)

18 G (MS angle flanges)

AIR TERMINALS: S & F of supply / return / exhaust air diffusers / grilles / louvers of powder coated aluminium with aluminium volume control dampers with anti smudge ring & removable core complete all as specified and directed by engineer-in-charge. Make: Ruskin Titus, Zeco, Rola Star, Air Flow

THERMAL INSULATION: S & F of FM approved highly- flexible, closed-cell thermal insulation of elastomeric foam based on synthetic rubber (NBR), laminated with 12 micron aluminium foil facing with reinforced glass scrim tested for service temperature range 0- 105 ˚C as per EN 14706, EN 14707 & EN 14304, thermal conductivity λ ≤ 0.037 W/mK at mean temperature θm = 20 ˚C as per EN 12667 & EN ISO 8497, water vapour diffusion resistance factor μ ≥ 12000 as per EN 12086 & EN 13469, water absorption by volume 0.2% as per ASTM C 1763 & ASTM C 209, Class 0 fire performance as per BS 476 Part 6: 1989, Class 1 surface spread of flame as per BS 476 7: 1997, flammability HB, V-0 as per UL- 94, having good resistance to mechanical impact, excellent resistance to ozone, oil and chemicals, zero ozone depletion potential along with adhesives and other necessary accessories complete all as specified and directed by engineer-in-charge. Make: Armacell, K-Flex, Aeroflex

19 mm thick thermal insulation

13 mm thick thermal insulation

AIR CURTAIN: Supply, installation, testing and commissioning of commercial air curtain unit for prevention of dust and conditioned air losses, along with suitable flameproof motor single/three phase, 50 Hz, conforming to IS 12615: 2011, IS/IEC 60079-1: 2007, IS 3682: 1966, made out of MS/CRCA sheet of minimum thickness 18 gauge finished with two coats of red oxide primer and final coat of epoxy risin paint (oven baked) with MS - CRC 18 gauge square perforated suction grills, aluminium alloy fans, limit switch(es) and single/three phase electric motor, nozzles etc, complete with fittings and accessories so as to produce 1 - 1.5 m/s air velocity at floor level for door opening 70" X 96" complete all as specified and directed by engineer-in-charge. Make: KALLERIANS / MITUSUBHISI / ZECON / EURONICS

S & F of wall mounted digital temperature cum %RH controller (Digital Thermo Hygrometer) complete with large LCD, English display having operating voltage 24±10% V AC, 50 Hz frequency, ≤ 8 VA power consumption, 0.5 ºC temperature display resolution, 0.1% relative humidity display resolution, IP20 protection, etc. including battery and control wiring in PVC conduit from return air duct to AC Plant Room complete as specified and directed by engineer-in-charge. Make: Honeywell, HTC/Thermo-electric or equvalent

M & L for low smoke zero helogen (LS0H) fire survival control cable of size 2 core, 2.5 mm² (for instrumentation)with circuit integrity, conforming to BS 7846 and rated for 600 V, having plain annealed stranded copper conductor with fire-resistant mica tapes covered by an extruded layer of cross-linked polyethylene, extruded layer of thermoplastic low smoke zero helogen (LS0H) compound, single layr of galvanized steel wires and thermoplastic LS0H compound sheath, suitable for operating temperature range -40 ˚C to +90 ˚C and minimum bending radius being 12 times the overall cable diameter, including laying, clamping, termination and ferruling complete all as specified and directed by engineer-in-charge. Make: Havells, Polycab, Finolex, RR Kabel

S & F of Indoor type wall mounted digital temperature cum %RH meter (Digital Thermo Hygrometer) complete with large LCD, English display having operating with 12/24H Max/Min temperature and humidity memory function range -50°C to 70°C Temperature accuracy 0.5 ºC and Humidity range 10% to 99% RH Humidity accuracy 5% RH Humidity resolution 1% RH Power source 1*AAA (1.5V) battery for AC Plant Room complete as specified and directed by engineer-in-charge. Make: Honeywell, HTC/Thermo-electric or equvalent

Water Softening Plant : M&L for Water Softening Plant (FRP body) of Feed Flow Rate 1.2 Cubic Meter/Hour to remove the imparting impurities from water, hardness of water is effectively reduced by exchanging the Sodium ions. Automatic & manual operations including auto multiport valve, mannual multiport valve and butterfly valve complete all as specified and directed. Make: Thermax / Ion Exchange

CIVIL WORKS: Excavation in trenches/foundation not exceeding 1.5 m wide and not exceeding 1.50 m in depth for poles, laying of cables, etc. and getting out in soft/loose soil all complete as specified and directed.

Excavating in trenches in hard/dense soil, not exceeding 1.5 m wide and exceeding 1.5 m depth and not exceeding 3.0 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 sq m on plan and not exceeding 1.5 m in depth and getting out all as specified and directed.

Returning filling including spreading leveling watering and well ramming in layers not exceeding 25 cm in soft/loose soil all complete as specified and directed.

Removing excavated material exceeding 1.50 km but not exceeding 25 km and depositing where directed in soft/loose soil all complete as specified and directed.

M & L for dry sand in cable trenches before and after the cables are laid in sand cushioning to cables all complete as specified and directed.

M & L for cement concrete 1:3:6 type C-2 using 40 mm graded stone aggregate in foundations of streetlight poles, filling and mass concrete all as specified and directed.

M & L for cement concrete 1:3:6 type C-1 using 20 mm graded stone aggregate in copings all around the streetlight poles all as specified and directed. NOTE: Item No. 48, 49 & 50 are required for control cables between AC Plant room and AHU of Magazine 1 & 2.

Supply & lay tubes, light grade, galvanised with all fittings laid in trenches - 40 mm dia.

COMPREHENSIVE MAINTENANCE OF AC PLANT -Comprehensive maintenance comprising of routine, preventive & breakdown maintenance of chilled water type central air conditioning plant of capacity 156 TR (Two plants each to be run at a time and one will be kept as stand by) installed, comprising of all devices and accessories through out 12 months on all days including sundays & holidays for a period of 02 years after expiry of defects liability period (i.e. 36 months after completion of all Phase I tests) all as specified and directed and as shown below:-

(a) 1st year after expiry of defect liability period.

(b) 2nd year after expiry of defect liability period.

MANNING & OPERATION OF AC PLANT -Outsourcing of services for round the clock in 3 shifts (consisting of three shifts of 06 am to 2.00 pm, 2.00 pm to 10 pm, 10 pm to 6 am) including Sundays and holidays and operation of Central type air conditioning plant of capacity 3 x52 TR (Two plants each to be run at a time and one will be kept as stand by) including all connected electrical items sch as main switch, starter, change over switch, MCCB, voltmeter, ammeter, panel board etc, cooling tower, condenser or water pump, valve system, controlling system, condenser, refrigerant line, adjusting valve, refrigerant valve, bypass valve, daily checking, leakage, checking noise, controlling temp. of plant, cleaning of plant and it's surrounding area etc, by one Ref Mech (Skilled) per shift for 03 shifts in a day all as per manufacturers instructions and as specified and directed by Engr-in-charge.

(a) First (11 months after completion)

(b) Second (11 months after completion of item 53.01 above)

(c) Third (11 months after completion of item 53.02 above)

(d) Fourth (11 months after completion of item 53.03 above)

(e) Fifth (11 months after completion of item 53.04 above)

(f) Sixth (05 months after completion of item 53.05 above)

NOTE:- (a) The contractor shall be responsible for periodical/routine maintenance, as per maintenance schedule recommended by manufacturer/OEM, including renewal/replacement of parts, fittings/fixtures filling of refrigerant gas etc required for smooth functioning of the plant as per manufacturers instructions. The cost of all parts/component/Gas required for replacement are considered inclusive in quoted rate. (b) The Contractor shall employ Refrigeration mechanic having minimum ITI qualification from Govt Recognised institute with adequate knowledge & minimum 2 years experience in maintenance/operation of AC plants. The operator must competent to carry out the minor maintenance all as directed. (TOTAL numbers of operators required per day are 02 nos.) (c) Contractor shall pay the wages to the employees through e-payment i.e. Adhaar linked bank accounts (credit to their bank account). Engineer-in-charge shall ensure that e-payment made to employees and their wages shall not be less than minimum wages fixed by State Govt or Central Govt whichever is more. Monthly e-banking statement shall be furnished by the contractor to the Engr-in-charge and the same shall be kept in record duly verified. (d) It is the responsibility of contractor to deposit the employees provident fund (EPF) to the concerned authority as per the prevailing scales as laid down by Ministry of labour for all operator/helper (as appliable) and necessary proof to this regard shall be submitted to the Engineer-in-charge for verification & record.

(e) The contractor shall maintain all the registers under various labour law rules, 2017 and shall be produced to the Engineer-in-Charge as well as officers detailed by central labour department. (f) Each shift duration shall be 8 hours & duty timing will be decided by Engr-in-Charge. (g) The unit rate quoted shall deemed to be included for cost of labour for daily routine maintenance for trouble free functioning of installation. (h) In case of any abnormal noise/complaint the plant should put off and same should be brought to the notice of Engr-in-charge. (i) The operator employed by the contractor shall be capable of carrying out minor repair/maintenance & should have well experience in AC plants as applicable. (j) The quoted rate is deemed to be inclusive of cotton waste, cleaning material etc & Contractor will ensure general area cleanliness and upkeep of the installation on daily basis. (k) The quoted rate is deemed to be inclusive of tools & testing instruments required for operation & maintenance of AC plants. (l) The rate quoted shall deemed to be inclusive of safety gear & required tools for minor maintenance. In case of failure to provide tools kit & safety kit (spanner sets, hand gloves), a penalty of Rs 3000/- will be recovered and levied.

(m) The Contractor shall not employ same tradesman continously for more than 11 months during the Contract period. (n) Thecontractor shall provide 02 uniforms to each operator and design of uniform shall be got approved. in case of failure, a penalty of rs 2000/- per uniform will be levied and recovered from their dues. (o) In case of failure due to absence of operative staff, the contractor shall be liable to pay compensation at twice the cost of a day's Manning & Operation derived from pro rate of Sch'A' quoted rates. (p) The Contractor shall maintain proper records of all kinds of daily, weekly, monthly, quarterly, half yearly and yearly or whatsoever maintenance is carried out during contract period in a binded book / register and shall obtain the signature of Engineer-in-Charge every fortnightly. (q) The contractor shall provide board at proper location near each installations duly writing the name of operators and Mobile Numbers shiftwise. (r) In case of non function of AC Plant panel recovery @ 3000 per day shall be effected 24 hrs after the defect is noticed or notified either in writing or through a social media message by GE or his rep. (s) Any defect in to a motor, Pumps, compressure, Control Panel, AHU, Refrigeration Gas, Cooling Tower shall be considered as outstanding defect & Panel charge will be applicable as above in Note (r).

somnath engineering corporation

M/s Vijay Airconditioning Pvt Ltd

AIRFRAME