Providing Air Conditioning Facility for Proposed Modifications in ODC Area at Ground Floor in BSTC BE-BG.

Amount

PART A - AHU AND ASSOCIATED WORKS

Supply, installation, testing and commissioning of insulated double skinned (43±2 mm) cabinet type horizontal floor mounted Air handling units for capacity 30 TR, Total dehumidified CFM 12000, 40 mm WC of external static pressure, the air handling unit shall have pre-filter section with 10 micron rating filter, dual cooling coil (one chilled water and one DX coil suitable for working with VRV/VRF ODU), 6 rows deep of copper tubes with aluminium fins, fine filter section with 5 micron rating filter, blower section with 2 Nos. of DIDW backward curved centrifugal blower of capacity 12000 CFM each (1 working and 1 standby) with IE2 efficiency and VFD compatible TEFC motors,mixing box, drive set, thermostat, suitable expansion valve kits, suitable communication / control kits to connect VRV/VRF ODU, 304 grade stainless steel drain pan of 18G with 13 mm nitrile rubber insulation, inlcuding all accessories, control, inspection door for filter, coil, blower, etc., all as specified and/or directed etc., complete. Note: 1) The PCC pedestal/ bed provided for installation of AHU will be measured and paid under the relevant item of SOQR. 2) The rate to be quoted for the AHU shall be excluding the cost of MS frame/ brackets/ supports. The MS frame/ brackets/ supports will be measured and paid separately under the relevant item of SOQR.

Supply, installation, testing and commissioning of variable refrigerant volume (VRV) / variable refrigerant flow (VRF) type air conditioning system's outdoor unit of capacity not less than 38 HP (combination of two modules), equiped with highly efficient hermetic scroll compressor or twin rotary type compressors, equipped with inverter control capable of changing the speed in accordance to the cooling load requirement, heat exchanger, low noise condenser fan, outdoor unit multiple connecting unit, including first charge of R410a refrigerant & oil, etc. The inverter shall be IGBT type to be efficient and quiet operation. The outdoor unit shall have the multi-step of capacity control to meet load fluctuation. The quoted price shall include MS angle base frame structure duly black painted with synthetic epoxy paint for all outdoor units. The frame structure shall be mounted on MS plate & serrated rubber pads all as specified and / or directed etc., complete. Note: The quoted rate for this item deemed to include the cost for necessary hardware, software, gateway, interface, controller etc.

Supply, installation, testing and commissioning of suitable Expansion Valve Kits, suitable Communication / Control Kits, Wired remote controller, thermostat for connecting DX Air Handling Unit (item no. 19 of SOQR) and VRV/VRF outdoor units (item no. 50 of SOQR). The controller shall have wide screen user friendly colour LED display and can be wired by a non polar 2 wire transmission cable including necessary fixing arrangment to the desired location and necessary control wiring from AHU, Communication / control kit to the controller and from VRV/VRF outdoor units to the controller including Software and hardware required to operate from end user system.

Supply and laying of Communication / Control cable connecting the AHU units/ Indoor units / Outdoor units / Controller of suitable size as recommended by the OEM. The external communication / control cabling shall be run in MS conduit and inside building control cabling shall be run in PVC conduit including all clamps, screws, fittings, supporting items etc., all as specified and/or directed etc., complete. Note: 1) The cost for MS and PVC conduit shall be measured and paid seperately under relevant item of SOQR

Supply, erection, testing and commissioning of size 41.3 mm dia refrigerant grade copper piping of 16 gauge including nitrile rubber tubular insulation, adhesive tape, including all kinds of valves / joints viz., refnet joint / header, refrigerant joint / header, distribution / branch unit, tees, valves, ball valves, fittings like bends, elbow, collars, tees, reducers, flanges, supports, etc for interconnecting the liquid and suction lines between the outdoor units and the indoor units and flare connection to indoor units. Refrigerant joints supplied by OEM only shall be used. The piping shall be carried out of soft / hard drawn copper pipes brazed socket fittings. Both the suction and liquid lines shall be insulated with closed cell nitrile rubber tubular insulation with factory laminated FRP cloth and UV paniting of thickness as specified in tender including pressure testing and charging of refrigerant and oil. Refrigerant piping and cables in wall crossings shall be provided in suitable steel / PVC sleeve all as specified and/ or directed etc., complete. Note: 1) Only the cable tray supports provided for exposed refrigerant pipes will be measured and paid under the relevant item of SOQR.

Supply, erection, testing and commissioning of size 38.1 mm dia refrigerant grade copper piping of 16 gauge including nitrile rubber tubular insulation, adhesive tape, including all kinds of valves / joints viz., refnet joint / header, refrigerant joint / header, distribution / branch unit, tees, valves, ball valves, fittings like bends, elbow, collars, tees, reducers, flanges, supports, etc for interconnecting the liquid and suction lines between the outdoor units and the indoor units and flare connection to indoor units. Refrigerant joints supplied by OEM only shall be used. The piping shall be carried out of soft / hard drawn copper pipes brazed socket fittings. Both the suction and liquid lines shall be insulated with closed cell nitrile rubber tubular insulation with factory laminated FRP cloth and UV paniting of thickness as specified in tender including pressure testing and charging of refrigerant and oil. Refrigerant piping and cables in wall crossings shall be provided in suitable steel / PVC sleeve all as specified and/ or directed etc., complete. Note: 1) Only the cable tray supports provided for exposed refrigerant pipes will be measured and paid under the relevant item of SOQR.

Supply, erection, testing and commissioning of size 34.9 mm dia refrigerant grade copper piping of 18 gauge including nitrile rubber tubular insulation, adhesive tape, including all kinds of valves / joints viz., refnet joint / header, refrigerant joint / header, distribution / branch unit, tees, valves, ball valves, fittings like bends, elbow, collars, tees, reducers, flanges, supports, etc for interconnecting the liquid and suction lines between the outdoor units and the indoor units and flare connection to indoor units. Refrigerant joints supplied by OEM only shall be used. The piping shall be carried out of soft / hard drawn copper pipes brazed socket fittings. Both the suction and liquid lines shall be insulated with closed cell nitrile rubber tubular insulation with factory laminated FRP cloth and UV paniting of thickness as specified in tender including pressure testing and charging of refrigerant and oil. Refrigerant piping and cables in wall crossings shall be provided in suitable steel / PVC sleeve all as specified and/ or directed etc., complete. Note: 1) Only the cable tray supports provided for exposed refrigerant pipes will be measured and paid under the relevant item of SOQR.

Supply, erection, testing and commissioning of size 28.6 mm dia refrigerant grade copper piping of 18 gauge including nitrile rubber tubular insulation, adhesive tape, including all kinds of valves / joints viz., refnet joint / header, refrigerant joint / header, distribution / branch unit, tees, valves, ball valves, fittings like bends, elbow, collars, tees, reducers, flanges, supports, etc for interconnecting the liquid and suction lines between the outdoor units and the indoor units and flare connection to indoor units. Refrigerant joints supplied by OEM only shall be used. The piping shall be carried out of soft / hard drawn copper pipes brazed socket fittings. Both the suction and liquid lines shall be insulated with closed cell nitrile rubber tubular insulation with factory laminated FRP cloth and UV paniting of thickness as specified in tender including pressure testing and charging of refrigerant and oil. Refrigerant piping and cables in wall crossings shall be provided in suitable steel / PVC sleeve all as specified and/ or directed etc., complete. Note: 1) Only the cable tray supports provided for exposed refrigerant pipes will be measured and paid under the relevant item of SOQR.

Supply, erection, testing and commissioning of size 25.4 mm dia refrigerant grade copper piping of 18 gauge including nitrile rubber tubular insulation, adhesive tape, including all kinds of valves / joints viz., refnet joint / header, refrigerant joint / header, distribution / branch unit, tees, valves, ball valves, fittings like bends, elbow, collars, tees, reducers, flanges, supports, etc for interconnecting the liquid and suction lines between the outdoor units and the indoor units and flare connection to indoor units. Refrigerant joints supplied by OEM only shall be used. The piping shall be carried out of soft / hard drawn copper pipes brazed socket fittings. Both the suction and liquid lines shall be insulated with closed cell nitrile rubber tubular insulation with factory laminated FRP cloth and UV paniting of thickness as specified in tender including pressure testing and charging of refrigerant and oil. Refrigerant piping and cables in wall crossings shall be provided in suitable steel / PVC sleeve all as specified and/ or directed etc., complete. Note: 1) Only the cable tray supports provided for exposed refrigerant pipes will be measured and paid under the relevant item of SOQR.

Supply, erection, testing and commissioning of size 22.2 mm dia refrigerant grade copper piping of 18 gauge including nitrile rubber tubular insulation, adhesive tape, including all kinds of valves / joints viz., refnet joint / header, refrigerant joint / header, distribution / branch unit, tees, valves, ball valves, fittings like bends, elbow, collars, tees, reducers, flanges, supports, etc for interconnecting the liquid and suction lines between the outdoor units and the indoor units and flare connection to indoor units. Refrigerant joints supplied by OEM only shall be used. The piping shall be carried out of soft / hard drawn copper pipes brazed socket fittings. Both the suction and liquid lines shall be insulated with closed cell nitrile rubber tubular insulation with factory laminated FRP cloth and UV paniting of thickness as specified in tender including pressure testing and charging of refrigerant and oil. Refrigerant piping and cables in wall crossings shall be provided in suitable steel / PVC sleeve all as specified and/ or directed etc., complete. Note: 1) Only the cable tray supports provided for exposed refrigerant pipes will be measured and paid under the relevant item of SOQR.

Supply, erection, testing and commissioning of size 19.1 mm dia refrigerant grade copper piping of 20 gauge including nitrile rubber tubular insulation, adhesive tape, including all kinds of valves / joints viz., refnet joint / header, refrigerant joint / header, distribution / branch unit, tees, valves, ball valves, fittings like bends, elbow, collars, tees, reducers, flanges, supports, etc for interconnecting the liquid and suction lines between the outdoor units and the indoor units and flare connection to indoor units. Refrigerant joints supplied by OEM only shall be used. The piping shall be carried out of soft / hard drawn copper pipes brazed socket fittings. Both the suction and liquid lines shall be insulated with closed cell nitrile rubber tubular insulation with factory laminated FRP cloth and UV paniting of thickness as specified in tender including pressure testing and charging of refrigerant and oil. Refrigerant piping and cables in wall crossings shall be provided in suitable steel / PVC sleeve all as specified and/ or directed etc., complete. Note: 1) Only the cable tray supports provided for exposed refrigerant pipes will be measured and paid under the relevant item of SOQR.

Supply, erection, testing and commissioning of size 15.9 mm dia refrigerant grade copper piping of 20 gauge including nitrile rubber tubular insulation, adhesive tape, including all kinds of valves / joints viz., refnet joint / header, refrigerant joint / header, distribution / branch unit, tees, valves, ball valves, fittings like bends, elbow, collars, tees, reducers, flanges, supports, etc for interconnecting the liquid and suction lines between the outdoor units and the indoor units and flare connection to indoor units. Refrigerant joints supplied by OEM only shall be used. The piping shall be carried out of soft / hard drawn copper pipes brazed socket fittings. Both the suction and liquid lines shall be insulated with closed cell nitrile rubber tubular insulation with factory laminated FRP cloth and UV paniting of thickness as specified in tender including pressure testing and charging of refrigerant and oil. Refrigerant piping and cables in wall crossings shall be provided in suitable steel / PVC sleeve all as specified and/ or directed etc., complete. Note: 1) Only the cable tray supports provided for exposed refrigerant pipes will be measured and paid under the relevant item of SOQR.

Supply, fabrication, installation, testing and commissioning of site fabricated GI sheet metal ducts of 24 Guage (Birmingham Gauge) (0.63 mm) and zinc coating not less than 120 g/m2 in accordance with approved drawings including necessary hangers, rubber gaskets, rivets, flanges, scaffolding required for work, etc., all as specified and/or directed etc.,complete Note: 1) The rate quoted for the GI ducting shall be including the cost of scaffolding, steel supports, nuts, bolts, etc. and the same will not be measured and paid separately.

Supply, fabrication, installation, testing and commissioning of site fabricated GI sheet metal ducts of 22 Guage (Birmingham Gauge) (0.8 mm) and zinc coating not less than 120 g/m2 in accordance with approved drawings including necessary hangers, rubber gaskets, rivets, flanges, scaffolding required for work, etc., all as specified and/or directed etc.,complete Note: 1) The rate quoted for the GI ducting shall be including the cost of scaffolding, steel supports, nuts, bolts, etc. and the same will not be measured and paid separately.

Supply, fabrication, installation, testing and commissioning of site fabricated GI sheet metal ducts of 20 Guage (Birmingham Gauge) (1.0 mm) and zinc coating not less than 120 g/m2 in accordance with approved drawings including necessary hangers, rubber gaskets, rivets, flanges, scaffolding required for work, etc., all as specified and/or directed etc.,complete Note: 1) The rate quoted for the GI ducting shall be including the cost of scaffolding, steel supports, nuts, bolts, etc. and the same will not be measured and paid separately.

Supplying and fixing thermal insulation for supply air ducts with 19 mm thick self adhesive closed cell elastomeric (nitrile rubber) sheet reinforced with aluminium foil or closed cell physically crosslinked polyolefin foam reinforced with aluminium foil all as specified and/ or directed etc., complete

Supplying and fixing thermal insulation for return air ducts with 13 mm thick self adhesive closed cell elastomeric (nitrile rubber) sheet reinforced with aluminium foil or closed cell physically crosslinked polyolefin foam reinforced with aluminium foil all as specified and/ or directed etc., complete

Providing and laying acoustic insulation for ducting with open cell nitrile rubber insulation or open cell physically crosslinked polyolefin foam insulation of thickness not less than 15 mm, density of open cell nitrile rubber insulation shall not be less than 130 kg/m3 including adhesive or density of open cell physically crosslinked polyolefin foam shall not be less than 25 kg/m3 including adhesive all as specified and/ or directed etc., complete

Supply, fixing, testing & commissioning of supply air diffusers with powder coated aluminium single piece moulded frame with opposed blade aluminium extruded construction black anodised dampers as per requirement/ approved drawing including fixtures, gaskets, screws, etc., all as specified and/or directed etc., complete.

Supply, fixing, testing & commissioning of return air diffusers with powder coated aluminium single piece moulded frame without dampers as per requirement/ approved drawing including fixtures, gaskets, screws, etc., all as specified and/or directed etc., complete.

Supply,erection testing and commissioning of volume control dampers (VCD) for ducts made of GI sheet of thickness not less than 18 G including fittings, gaskets, nuts, bolts etc.,all as specified and / or directed etc., complete

Supply, erection, testing and commissioning of 300mm Dia. - Butterfly damper should constructed with not less than 0.8mm thick galvanized steel sheet, with single flap, necessary stopper, flanges for fastening on to the duct surface and with grooves for clamping the flexible ducts securely all as specified and/ or directed etc., complete

Supply & installation of FACTORY FABRICATED spill air boxes made out of 0.8mm thick GI sheet with necessary spigot connection for fixing flexible duct and suitable collar for connecting to various neck diffuser / slot diffuser. The box should be internally insulated with 6mm thick nitrile rubber of class 'O' material. Box size shall be of 450x450x350 mm and equivalent required rectangular sizes with GI wire support, 16G GI U-shaped brackets with GI nut of suitable size welded to it.

Supply, installation, testing and commissioning of combined fire and smoke damper to be fitted at the supply air duct and return air duct/ path wall openings (inside wall). These dampers shall be made from GI sheet in multi blade construction. The dampers shall be provided with seal on sides to prevent spread of smoke and fire. Testing of fire damper shall be as per UL 555 and certified by CBRI. all as specified and/or directed etc., complete.

Supply, installation, testing and commissioning of control instruments and sensors required for Combined fire and smoke damper including actuators, temperature sensor and duct mounted smoke sensor and auxiliary switch with all the necessary accessories for fire & smoke damper (item no. 22 of SOQR) all as specified and/or directed etc., complete. Note: 1) The item shall be complete with in-built temperature sensor and duct mounted smoke sensor and auxiliary switch to close the dampers simultaneously. 2) The components provided under this item shall be such that the dampers also actuate in response to signal from central fire alarm system which shall trip the indoor unit along with closing the damper. 3) The cabling from the central fire alarm system upto the combined fire and smoke damper will be provided by the fire alarm system contractor. 4) The damper will be measured and paid under the relevant item of SOQR.

Supply, erection testing and commissioning of fresh air louvers made of extruded aluminium with bird/ insect screen including volume control damper made of aluminium. Note : The lowest louvers of the assembly shall extend out slightly to facilitate disposal of rain water without falling on the door/ wall on which it is mounted all as specified and/or directed etc., complete.

Supply, erection testing and commissioning of Aluminium flexible duct of 300 dia with insulation all as specified and/or directed etc., complete

Supply, installation, testing and commissioning of standalone type VAV boxes of 6000 CFM including controller, damper, motorised actuator, pressure sensor, accurate cross flow sensors or velocity probes, duct sensor, thermostat, power wiring with plug top from nearest power socket to VAV, etc., as specified and / or directed etc complete. The VAV shall be capable of accepting signals from Temperature sensor & communication to the central BMS. VAV Unit shall be suspended to the ceiling / roof with necessary hanger brackets & Rods. All thermostats shall be digital type for setting of room temperature.

Supplying and laying of under-deck insulation with 25mm thick closed cell elastomeric nitrile rubber / closed cell physically crosslinked polyolefin foam with adhesive (Fevicol SR 505), GI strip and all necessary support all as specified and / or directed etc., complete. Note: Insulation measurement shall be as per the tender measurement clause.

Supply, erection, testing and commissioning of pre-insulated MS pipes of 80 mm dia, Heavy Grade, (Class 'C') with fittings, PUF or nitrile rubber saddle (saddle to be laid between pipes and supports) for chilled water pipeline complete with minimum 40 mm thick PUF insulation including providing HDPE cladding (outer jacket) having minimum thickness of 5 mm over the insulation, with all welded/flanged joints all as specified and/or directed etc.complete Note: 1) The pipe shall be laid underground / above ground as directed by BEL. 2) The rate to be quoted for chilled water pipes shall be excluding the cost of supports. The supports provided for the pipes will be measured and paid separately under the relevant item of SOQR.

Supply, erection, testing and commissioning of MS pipes of Ø80 mm, Heavy Grade (Class-C) as per IS 1239 for chilled water pipeline with 32 mm thick closed cell nitrile rubber insulation including providing 0.63 mm aluminium sheet cladding over insulation with necessary fittings, PUF / Neoprene saddle, all welded/ flanged joints all as specified and/ or directed etc. complete. NOTE: 1) The rate to be quoted for the pipes shall be excluding the cost of steel, masonry/ cement concrete supports provided for the pipes and the same will be measured and paid separately under the relevant item of SOQR.

Supply, erection, testing and commissioning of Butterfly valve of Ø80 mm with CI body, SS Disc, PN 16 rating, nitrile rubber seal & O-ring, wafer type with insulation, flanges, fittings, gaskets, nuts, bolts, washer all as specified and/ or directed etc. complete.

Supply, erection, testing and commissioning of Ø80 mm Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer, insulation, flanges, fittings, gaskets, nuts, bolts, washer all as specified and/ or directed etc. complete.

Supply, Installation, Testing and Commissioning of Ø80 mm electronic, self-balancing, pressure independent type dynamic balancing valve with integrated 2 way modulating control valve in a single body with PN 16 pressure rating including actuator, thermostat, control cable, insulation, flanges, fittings, gaskets, nuts, bolts, washer all as specified and/ or directed etc. complete. The actuator shall be capable of accepting upto 10V DC and upto 20 mA electric signal and shall provide similar transduced feedback output to control system. Maximum close off pressure shall not be less than 6 Bar for upto 50 mm valves and 7 Bar for 65 mm & above.

Supply, erection, testing and commissioning of MS pipes of Ø40 mm, Heavy Grade (Class-C) as per IS 1239 for drain pipe with 32 mm thick closed cell nitrile rubber insulation with necessary fittings, PUF / Neoprene saddle, all screwed/ welded joints and fittings like elbows, tees, reducers, etc., all as specified and/or directed etc., complete. The drain pipe shall be provided with 'U' shaped trap at the outlet.

Providing and fixing dial type temperature guage of range 0-50 ºC at the inlet and outlet of AHUs complete with necessary fittings,isolative valves all as specified and/or directed etc completeͦͦ

Providing and fixing dia dial type pressure guage of range 0-10 Kg/cm2 at the inlet and outlet of AHUs complete with necessary fittings,isolating valves all as specified and/or directed etc complete

Supply, erection, testing and commissioning of Gun Metal Ball valve (drain & isolation valve) of 40 mm dia. with fittings with insulation for Chillers, Pumps, AHUs as specified and/or directed etc complete.,

Supply, erection, testing and commissioning of automatic air vent with 20 mm ball valve with fittings all as specified and/or directed etc., complete

Providing and laying of cPVC (SDR11) pipes of 40 mm dia, with 9 mm thick elastomeric nitrile rubber tubular insulation for condensate water drain from the AHU indoor units to nearest drain point, fittings, support including core cutting in brick/ concrete wall as required and making surface good etc. complete

Providing and laying of cPVC (SDR11) pipes of 40 mm dia for AC condensate water drain outside building with fittings, support including core cutting in brick/ concrete wall as required and making surface good etc. complete

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete : 300 mm dia R.C.C. pipe

Supply, erection, testing and commissioning of Cassette AC (four way) of cooling capacity not less than 1.5TR, Inverter type rotary / scroll compressor, aircooled condensing unit with copper cooling coil, fan motor and indoor unit complete with filter section, cooling coil of copper tubes with aluminium fins, electric motor, fans including initial charge of R410A/ R32 refrigerant and subsequent charge / tapping of refrigerant during testing / commissioning if any, etc. as required, including minor civil works like core cutting, MS stand / supports for AC units all as specified and / or directed etc.,complete. Quoted price shall include cost of wireless remote controller, cooling thermostat, wiring, control cabling and earthing. Unit shall be provided with auto clean mode, auto timer setting and as per specifications.

Supply, erection, testing and commissioning of High Wall Mount type Split AC units of 2TR capacity with 5 star rating Inverter type rotary / scroll compressor, aircooled condensing unit with copper cooling coil, fan motor and indoor unit complete with filter section, cooling coil of copper tubes with aluminium fins, electric motor, fans including initial charge of R410A/ R32 refrigerant and subsequent charge / tapping of refrigerant during testing / commissioning if any, etc. as required, including minor civil works like core cutting, MS stand / supports for AC units all as specified and / or directed etc.,complete. Quoted price shall include cost of wireless remote controller, cooling thermostat, required length of power cable with plug toop and control cable between indoor and outdoor units, earthing. Unit shall be provided with auto clean mode, auto timer setting and as per specifications.

Supply, erection, testing and commissioning of High Wall Mount type Split AC units of 1.5 TR capacity with 5 star rating Inverter type rotary / scroll compressor, aircooled condensing unit with copper cooling coil, fan motor and indoor unit complete with filter section, cooling coil of copper tubes with aluminium fins, electric motor, fans including initial charge of R410A/ R32 refrigerant and subsequent charge / tapping of refrigerant during testing / commissioning if any, etc. as required, including minor civil works like core cutting, MS stand / supports for AC units all as specified and / or directed etc.,complete. Quoted price shall include cost of wireless remote controller, cooling thermostat, required length of power cable with plug toop and control cable between indoor and outdoor units, earthing. Unit shall be provided with auto clean mode, auto timer setting and as per specifications.(3 Working + 3 Standby for UPS Rooms)

Supply, erection, testing and commissioning of refrigerant grade copper piping between indoor and outdoor units of suitable size (both suction and discharge piping will be treated as one unit and will not be measured separately), suction line and discharge line both with insulation, FRP/ Glass cloth rapped over insulation from indoor to outdoor unit with UV resistant paint; anti corrosive paint for exposed copper piping, joints, fittings, accessories; core cutting in brick/ concrete wall as required and making surface good, supports etc. for 1.5TR capacity Cassette AC unit

Supply, erection, testing and commissioning of refrigerant grade copper piping between indoor and outdoor units of suitable size (both suction and discharge piping will be treated as one unit and will not be measured separately), suction line and discharge line both with insulation, FRP/ Glass cloth rapped over insulation from indoor to outdoor unit with UV resistant paint; anti corrosive paint for exposed copper piping, joints, fittings, accessories; core cutting in brick/ concrete wall as required and making surface good, supports etc. for 2TR capacity Hi-Wall AC unit

Supply, erection, testing and commissioning of refrigerant grade copper piping between indoor and outdoor units of suitable size (both suction and discharge piping will be treated as one unit and will not be measured separately), suction line and discharge line both with insulation, FRP/ Glass cloth rapped over insulation from indoor to outdoor unit with UV resistant paint; anti corrosive paint for exposed copper piping, joints, fittings, accessories; core cutting in brick/ concrete wall as required and making surface good, supports etc. for 1.5TR capacity Hi-Wall AC unit

Providing and laying of cPVC (SDR11) pipes of 25 mm dia, with 9 mm thick elastomeric nitrile rubber tubular insulation for condensate water drain inside building from the AC indoor units to nearest drain point, fittings, support including core cutting in brick/ concrete wall as required and making surface good etc. complete

Providing and laying of cPVC (SDR11) pipes of 25 mm dia without insulation for condensate water drain outside building from the AC indoor units to nearest drain point, fittings, support including core cutting in brick/ concrete wall as required and making surface good etc. complete

Providing and laying of cPVC (SDR11) pipes of 32 mm dia, with 9 mm thick elastomeric nitrile rubber tubular insulation for condensate water drain inside building from the AC indoor units to nearest drain point, fittings, support including core cutting in brick/ concrete wall as required and making surface good etc. complete

Providing and laying of cPVC (SDR11) pipes of 32 mm dia without insulation for condensate water drain outside building from the AC indoor units to nearest drain point, fittings, support including core cutting in brick/ concrete wall as required and making surface good etc. complete

Providing and laying of cPVC (SDR11) pipes of 40 mm dia, with 9 mm thick elastomeric nitrile rubber tubular insulation for condensate water drain inside building from the AC indoor units to nearest drain point, fittings, support including core cutting in brick/ concrete wall as required and making surface good etc. complete

Providing and laying of cPVC (SDR11) pipes of 40 mm dia without insulation for condensate water drain outside building from the AC indoor units to nearest drain point, fittings, support including core cutting in brick/ concrete wall as required and making surface good etc. complete

Providing and laying of PVC Casing of suitable size for exposed refrigerant pipes & cabling between the indoor and outdoor units

Supply,erection testing and commissioning of fresh air intake piping assembly consisting of PVC pipe of 110 dia, 4 kg/sqcm pressure, of two metre length and Aluminium flexible duct of 100 mm dia, without insulation, of length not less than 300 mm length , including clamps, PVC bend, brass mesh for bird screen with rain protection louvre at intake, support, screws, etc., as required for fresh air connection to the cassette type indoor units, all as specified and/or directed etc.,complete

Supply,erection testing and commissioning of PVC pipe of 110 dia, 4 kg/sqcm pressure all as specified and/or directed etc.,complete

PART-B ELECTRICAL WORK

Fabrication, supply, testing & commissioning of HVAC PANEL- of cubicle and extensible type front access, having Bus-bars and bottom Cable entry, for both Incoming and Outgoing side. The panel shall be of modular compartment type, floor/ pedestal mounting free standing, vermin proof, IP-52 grade for indoor application, made out of CRCA sheet steel of 1.6mm thickness for body and 2.0mm thickness doors and 3.15 mm thickness for gland plates. All the panel shall be painted with electro static powder coating paint of shade RAL-7032. The incoming, outgoing breaker ratings & Bus-bars are as per SLD and IEC 61439 standard.

Supplying of 1100V grade power cable of 3.5core X 50sqmm size aluminium conductor, XLPE insulated, cores laidup, PVC tape inner sheathed, galvonise steel armoured, extruded PVC type ST2 sheathed as per IS:7098(part-1) 1988 or latest A2XFY as required.

Supplying and making end termination with double compression gland and aluminium lugs for 3½ X 50 sq. mm size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

Supplying of 1100V grade power cable of 4core X 10sqmm size copper conductor, XLPE insulated, cores laidup, PVC tape inner sheathed, galvonise steel armoured, extruded PVC type ST2 sheathed as per IS:7098(part-1) 1988 or latest 2XFY and laying of the same in the existing trenches/ duct/ pipe/ on the wall with suitable clamps, dressing etc., or as directed.

Supplying and making end termination with double compression gland and copper lugs for 4 X 10 sq. mm size of PVC insulated and PVC sheathed / XLPE copper conductor cable of 1.1 KV grade as required.

Supplying and laying 25 mm X 6 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut,bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm)

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of Above 35 sq. mm and upto 95 sq. mm size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required.

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including excavation,accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Fabrication, supply and installation of following size of ladder type GI cable tray including horizontal and vertical reducers, tees, cross members and other accessories as required and duly suspended from the ceiling with GI suspenders etc as required. 150 mm width X 50 mm depth X 1.6 mm

PART C - CIVIL WORK

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Disposal of moorum/building rubbish/ malba/ similar unserviceable, dismantled or waste material by mechanical transport including loading, transporting, unloading to approved municipal dumping ground for lead upto 10 km for all lifts, complete as per directions of Engineer-in-charge.

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters,columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing: 1:2:4 (1 Cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removal of form for Columns, Pillars, Piers, Abutments, Posts and Struts

12 mm cement plaster of mix :1:4 (1 cement: 4 fine sand)

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:5:10 (1 cement : 5 coarse sand (zone-III): 10 graded stone aggregate 40 mm nominal size).

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering,shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. All works upto plinth level

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer and two or more coats of synthetic enamel all complete.(Basic Rate of structural steel is Rs.46 per kg)

Magnacool Engineers

SNOWMEX ENGINEERS LIMITED