Special Repairs for Replacement of BER AC Plant at Building No. P - 81, MO, Visakhapatnam

Amount

Dismantling and Taking down of old unserviceable AC Plant of capacity 3 x 9 TR [27 TR] including all connected accessories such as Chiller Pumpset / Pipeline, Cooling Tower, AHU, Ducts etc. including necessary T & P, Scaffolding and making good disturbed portions to match with existing and depositing the Plant and Accessories to MES Store Yard complete all as specified and as directed.

Supply, Install, Testing & Commissioning of Outdoor Unit with Refnet Joints of 12 Hp Capacity, Aircooled VRF Modular type Airconditioning system suitable for operating with R-410A Eco-Friendly Refrigerant Gas [Including First Charge of Gas] and suitable for operation on 415±10% Volts, 50 Hz, 3 Phase AC Supply for Outdoor Units and 220±10% Volts, 50 Hz, Single Phase, AC Supply for Indoor Units with Stepless Modulation complete with Indoor & Outdoor units, individual Remote Controller & compatible for Centralised Controller, Microprocessor based Controller, Top discharge type Condensing units, Cooling COP not less than 3.8 at 100% loading as per AHRI Standards and conditions equipped with Full Inverter Scroll Compressor, Special Heat Exchanger, Low Noise Condenser Fan, Auto Check Function for connection error, auto address setting complete with all accessories, suitable foundation, Vibration Isolation Pads complete all as specified and as directed.

Supply, Install, Testing & Commissioning of Outdoor Unit with Refnet Joints of 18 Hp Capacity, Aircooled VRF Modular type Airconditioning system suitable for operating with R-410A Eco-Friendly Refrigerant Gas [Including First Charge of Gas] and suitable for operation on 415±10% Volts, 50 Hz, 3 Phase AC Supply for Outdoor Units and 220±10% Volts, 50 Hz, Single Phase, AC Supply for Indoor Units with Stepless Modulation complete with Indoor & Outdoor units, individual Remote Controller & compatible for Centralised Controller, Microprocessor based Controller, Top discharge type Condensing units, Cooling COP not less than 3.8 at 100% loading as per AHRI Standards and conditions equipped with Full Inverter Scroll Compressors [Two Numbers], Special Heat Exchanger, Low Noise Condenser Fan, Auto Check Function for connection error, auto address setting complete with all accessories, suitable foundation, Vibration Isolation Pads complete all as specified and as directed.

Supply, Install, Testing & Commissioning of 4-Way Cassette type Indoor Unit, Ceiling Mounted type with Refnet Joints of 1.7 TR Cooling Capacity complete with Cord Less Remote Controller of VRF airconditioning system suitable for operation on 220±10% Volts, 50 Hz, Single Phase, AC Supply, equipped with synthetic washable Pre-Filter, Fan Section with Low Noise Fan, Dynamically balanced blower, Multispeed Motor, Coil Section with DX [Direct Expansion] Coil, Electronic Exapansion Valve, Outer Cabinet, Drain Pan, Drain Water Lift-up Mechanism, Insulation, Pipe Connections, Fresh Air Intake, Vibration Isolation etc. complete all as specified and as directed.

All as per Serial Item No. 3 above but of 2.0 TR Cooling Capacity complete all as specified and as directed.

All as per Serial Item No. 3 above but of 2.3 TR Cooling Capacity complete all as specified and as directed.

All as per Serial Item No. 3 above but of 2.8 TR Cooling Capacity complete all as specified and as directed.

All as per Serial Item No. 3 above but of 3.2 TR Cooling Capacity complete all as specified and as directed.

All as per Serial Item No. 3 above but of 4.0 TR Cooling Capacity complete all as specified and as directed.

Supply, Install, Testing & Commissioning of 4-Way Cassette type Indoor Unit, High Wall Mounted type with Refnet Joints of 1.0 TR Cooling Capacity complete with Cord Less Remote Controller of VRF airconditioning system suitable for operation on 220±10% Volts, 50 Hz, Single Phase, AC Supply, equipped with synthetic washable Pre-Filter, Fan Section with Low Noise Fan, Dynamically balanced blower, Multispeed Motor, Coil Section with DX [Direct Expansion] Coil, Electronic Exapansion Valve, Outer Cabinet, Drain Pan, Drain Water Lift-up Mechanism, Insulation, Pipe Connections, Fresh Air Intake, Vibration Isolation etc. complete all as specified and as directed.

All as per Serial Item No. 9 above but of 1.3 TR Cooling Capacity complete all as specified and as directed.

All as per Serial Item No. 9 above but of 1.5 TR Cooling Capacity complete all as specified and as directed.

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 6.4mm outer dia with 0.8mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 13mm thick Tubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex Note: [a] The Copper Piping & Piping Circuit shall have Minimum Number of joints and shall be attained by using One End Expanded Tubes, bending the tubes instead of using elbow joints wherever 90º bending is required. [b] Piping shall be routed at site in such a manner that brazed joints in the refrigeration piping are kept to a minimum. [c] The makes of tube fittings shall be same as that of tubes. The thickness of fittings used shall be same as that of the pipe.

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 9.5mm outer dia with 0.8mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 13mm thick Tubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 12.7mm outer dia with 0.8mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 13mm thick Tubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 15.9mm outer dia with 1.0mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 13mm thick Tubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 19.1mm outer dia with 0.8mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 13mm thick Tubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 22.2mm outer dia with 0.8mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 19mm thickTubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 25.4mm outer dia with 0.8mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 19mm thickTubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 28.6mm outer dia with 1.0mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 19mm thickTubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 31.8mm outer dia with 1.21mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 19mm thickTubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 34.9mm outer dia with 1.21mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 19mm thickTubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 41.3mm outer dia with 1.42mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 19mm thickTubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 44.5mm outer dia with 1.42mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 19mm thickTubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

Supply, installation, testing and commissioning of Hard drawn Refrigerant Grade Seamless Heavy Gauge Copper Piping of size 54.0mm outer dia with 1.42mm wall thickness, suitable for VRF System, in ceiling / wall interconnecting Outdoor and Indoor Units i.e. Evaporating Unit and Air Cooled Condensing Units duly insulated with 19mm thick Tubular Class "O" Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed. Make for Nitrile Rubber: Superlon / Aflex / K Flex

S & F Woven Fibre Glass Cloth protective layer for outer surfaces of both Suction and Discharge Copper Piping of various sizes, wrapped around copper piping tubular insulation and finised with PVAc based high strength glue with anti fungal property of approved colour including testing and commissioning complete all as specified and as directed.

Supply and Installation of PVC Heavy Duty Conduit of 25mm dia as in Drain Pipe complete with necessary elbows, tees, reducers, brass connector between GI and PVC Pipe etc. duly insulated with 9mm thick Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed.

Supply and Installation of PVC Heavy Duty Conduit of 32mm dia as in Drain Pipe complete with necessary elbows, tees, reducers, brass connector between GI and PVC Pipe etc. duly insulated with 9mm thick Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed.

Supply and Installation of PVC Heavy Duty Conduit of 40mm dia as in Drain Pipe complete with necessary elbows, tees, reducers, brass connector between GI and PVC Pipe etc. duly insulated with 9mm thick Closed Cell Eleastomeric Nitrile Rubber Insulation including necessary supports, fittings, joints wherever required complete all as specified and as directed.

Supply, installation, testing and commissioning of Central Controller DCC suitable above VRF System at Operators Room complete all as specified and as directed.

Supply, lay, test and commissioning of 2 Core, 1.5 Sq.mm, PVC Insulated and PVC sheathed, heavy duty cable, with Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade, ISI Marked including crimping type cable lugs, sockets etc. and connecting including drawing through PVC Heavy Duty Conduit of 25mm size complete with necessary elbows, tees, reducers, brass connector between GI and PVC Pipe etc. including fixing with clamps & saddles or concealing in wall / floor etc. all as required complete all as specified and as directed.

M & L for Taking down Ceiling Fan of any description from its position and refixing the same after repairs to buildings, at same place or at new place including connecting up with three core PVC insulated, sheathed flexible copper conductor cable of size 1.5 Sq.mm, replacement of Spares such as Capcitor 2.5 Mfd, Bearings, Shaft Bushes, Capacitor, Cotter Pin, Clamps, Rubber Bushes, Nuts & Bolts etc. as required and also including cleaning, greasing and spray painting with two coats of synthetic enamel paint of approved colour over a coat of zinc chrome primer after filling cavities with filler and complete all as specified and directed.

Taking down Light Fittings of any description and refixing the same after repairs to buildings, at same place or at new place including connecting up with three core PVC insulated, sheathed flexible copper conductor cable of size 1.5 Sq.mm including cleaning and minor repairs, making good any damages caused during the custody to match with the original fitting complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, FRLS, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 3½ Core, 70 Sq.mm cross section suitable for earthed system, laying in trenches / duct / fixed to poles / drawn through pipes / sleeving through pipe in duct, including suitable size Double compression copper stainless steel cable gland, crimping type cable lugs, sockets etc. including taking down old LT Cables of any description complete all as specified and as directed.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep in Soft / Loose soil for laying Pipes / Cables etc. complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick of excavated soil complete all as specified and as directed. Note: A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming.

Removal of excavated material [Soil] to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5 m complete all as specified and as directed.

M & L for Dry River Sand cushioning over and around the cable for cable protection in trenches, levelled and punned down complete all as specified and as directed. Note: The punned down thickness shall be measured for payment.

Supplying and laying un–reinforced Precast Concrete Cable Cover, Class LV, Type 1, Flat, of size 250mm x 150mm x 40mm complete all as specified and as directed.

M & L Boring of holes under road, pavement, hard standing by trenchless technology using ultra sound technique and necessary machinery for inserting GI pipe, 40mm bore, for drawing cable complete all specified and as directed. Note: The horizontal directional drilling machine boring shall be minimum shot length of 100m horizontal length in a single span and depth shall not be less than 1.20m. The unit rate quoted is deemed to be inclusive for earth work as required at site for boring at starting and termination ends complete all as directed. GI Pipe will be measured and paid separately under respective item.

Supplying and laying GI pipe, 40mm dia, Light grade for cable protection at road crossing etc. or fixing on wall / poles of any type, secured with clamps complete all as specified and as directed.

S & F in repairs MCB DB, TPN, 4 Way, 415 Volts, Vertical, with DIN Channel, N3 Frame, Double Door with 250 Amps rated bus bar, IP43 rated suitable for mounting MCBs complete all as specified and as directed.

S & F in repairs MCB DB, SPN, 4 Way, 240 Volts, with DIN Channel, Double Door with 200 Amps rated bus bar suitable for mounting MCBs complete all as specified and as directed.

S & F MCB, TPN, 40 to 63 Amps, 10 KA, "C" Curve, AC, 415 Volts, 50 Hz complete all as specified and as directed.

S & F MCB, SPN, 40 to 63 Amps, 10 KA, "C" Curve, AC, 230 Volts, 50 Hz complete all as specified and as directed.

M & L for Sub main wiring with 2 runs of single core 4 Sq.mm Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade, ISI Marked, drawing through and including heavy duty PVC Conduit, 25 mm dia with all accessories concealed in Walls / Roofs / Floors / Ceiling etc. or surface type / semi concealed type including One run of 4 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade earth continuity conductor including taking down old sub main wiring of any description and making good disturbed surface complete all as specified and as directed. Note: 3 runs of 4 Sq.mm & one run of 25 mm dia PVC Conduit will be measured as one unit.

M & L for Sub main wiring with 2 runs of single core 6 Sq.mm Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade, ISI Marked, drawing through and including heavy duty PVC Conduit, 25 mm dia with all accessories concealed in Walls / Roofs / Floors / Ceiling etc. or surface type / semi concealed type including One run of 6 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade earth continuity conductor including taking down old sub main wiring of any description and making good disturbed surface complete all as specified and as directed. Note: 3 runs of 6 Sq.mm & one run of 25 mm dia PVC Conduit will be measured as one unit.

Earthing complete with Galvanised Steel Earth Plate Electrode 600 X 600 X 6 mm thick burried directly in ground [earth pit not less than 2.25 m deep below ground level] with top edge of Plate not less than 1.50 m below normal ground level connected to 32 X 6mm GI Strip [Earth Lead] and GI pipe 50 mm, Medium Grade for earthing lead protection to the extent of maximum 7.5m, Earth Plate Electrode surrounded by 150mm thick packed layers of Charcoal and Common Salt filled in alternate layers, connected to the Plate by means of GI Bolts & Nuts complete all as per Electrical Plate No. 3 of SSR Part – I, connected to panel / DB including testing on completion including main earthing, Charcoal, Common Salt, PCC [1:2:4, Type B1] Pit with RCC 1:2:4, Type B1 Cover, 50 mm thick with 6 Nos, 8 mm dia TMT bars in both ways, MS frame made with 40 X 40 X 6 mm Angle Iron, MS Funnel with 20 mm bore, medium grade GI Watering pipe, wire mesh, earth work excavation, return filling, removal of surplus soil etc. and disconnecting and taking down existing Earthing of any description complete all as specified and as directed.

HVAC Engineering Co

M/S N.K BUILDERS

B5BUILDING SOLUTIONS