Special Repairs for Replacement of AC Plants at Barak Store at NAD under GE Utility II, Visakhapatnam

Amount

Dismantling and Taking down of old unserviceable Existing AC Plant i.e. Dx Chillers - 3 Nos including all connected accessories such as cooling tower, Pumpset / Pipelines, AHU alongwith connected panels/ cables/ pipes/ valves, Ducts alongwith its insulation/ grills, etc. including necessary T & P, Scaffolding and making good disturbed portions to match with existing and transporting & depositing the Plant and Accessories to MES Store Yard complete all as specified and as directed.

Supplying, Installing, testing and commissioning of Floor Mounted Compact Scroll type Water Cooled Chiller Package Units of Capacity not less than 60 TR, suitable for ambient conditions, with AHRI certification complete with Hermetically sealed Scroll type Compressors with independent Circuits with minimum loading capacity 15%, operating voltage 360 – 440 Volts, 50 Hz, 3 Phase, AC supply working with refrigerant R – 407C/ R-410A, Water Cooled Shell and Tube type Condenser with internally knurled copper tubes, Horizontal Direct Expansion (DX) type Evaporator with Carbon Steel Shell and Seamless Copper Tubes with 19 mm thick Nitrile Rubber Insulation, Common Base Frame, Interconnected Copper Refrigerant Piping and Wiring, Vibration Isolators, gauge panel, Automatic Safety Controls, Flow Switch at evaporator and Condenser, Ozone friendly CFC Free Refrigerant Gas R 407C/ R-410A including Electronic Expansion Valve for Refrigerant Flow Control, properly spaced Baffles for maintaining Optimum Water Velocity and Heat Transfer, adequate supports for tubes complete all as per manufacturer’s instructions, as specified and as directed. Notes: [a] The Chiller shall be designed for a Working Pressure of 150 PSIG and Hydraulically Tested at 225 PSIG. [b] One of the three condensing unit shall be factory AHRI tested at design conditions at 100%, 75%, 50% and 25% load respectively. Test certificates shall be produced for all the condensing units. [c] The quoted price shall be inclusive of a unit mounted Automatic Star/Delta Starter to ensure that the starting current does not exceed twice the full load current, Victaulic Coupling, System Integrator capable of giving industry standard [Modbus / Bacnet] Output to BMS for Critical Parameters. 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. [d] The Chiller shall be suitable for 3 Phase, 415 Volts ± 10%, 50 Hz, AC Supply

[e] The rate quoted shall be deemed to be inclusive of necessary civil works viz. PCC foundation and connected works for installation of chillers and its accessories as required at site. [f] Any other items which are not mentioned in the description of this item or not specified in the tender documents but the same are required for smooth operation of AC Plant shall be provided by the contractor without any extra cost to the Department. [g] The Chiller shall be as approved and shall meet the following design criteria: [i] CHILLER: [a] Chilled Water IN: 12.22°C [b] Chilled Water OUT: 6.67°C [c] Fouling Factor: 0.00002 [in M2°K/W] [d] Water Flow Rate: 27.59 CMH [ii] CONDENSER: [a] Condenser Water IN: 35°C [b] Condenser Water OUT: 29.44°C [c] Fouling Factor: 0.000044 [in M2°K/W] [d] Water Flow Rate: 34.48 CMH [iii] Minimum Coefficient Of Performance at ARI Conditions: 4.2

Supplying, Installing, testing and commissioning of Chilled Water Pumps End Suction & Top Discharge, Non-Self-Priming, Single-Stage, Centrifugal Volute Type Monoblock Pump of capacity 150 USGPM Water Flow at 20 metres Head, having Cast Iron Casing, Enclosed type Dynamically balanced Phosphor Bronze / SS Impeller, High Tensile Steel Shaft, Carbon Steel Stuffing Box [Sealed by Mechanical Seal], Deep Groove Ball Bearings, TEFC Squirrel Cage High Efficiency Induction Motor, Star/Delta Starter Panel, base Plate, Mounting Channel Frame, accessories and fittings, viz. Mechanical Seal, Pressure Gauges, Thermometers, Drains, Coupling, Coupling Guard, Vibration Isolation arrangement by means of Spring / Rubber type mounting suitable for operation on 3 Phase, 415 Volts ± 10%, 50 Hz, AC Supply complete all as per manufacturer’s instructions, as specified and as directed. Note: The rate quoted shall be deemed to be inclusive of necessary civil work viz. PCC foundation and connected works for installation of pumpset and its accessories as required at site.

Supplying, Installing, testing and commissioning of FRP rectangular / Round / Bottle Shaped vertical induced draft counter flow type Cooling Tower of capacity not less than 320 USGPM and not less than 80 TR capacity 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 up to 60 Metres/ Second, 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, TEFC Squirrel Cage High Efficiency Induction Motor with IP 65 Protection suitable for 3 Phase, 415 Volts ± 10%, 50 Hz, AC Supply, Inlet, Outlet, Drain and Over Flow Nozzle connections etc. complete all as per manufacturer’s instructions, as specified and as directed. Note: The rate quoted shall be deemed to be inclusive of necessary civil work viz. PCC foundation and connected works for installation of Cooling Tower and its accessories as required at site.

Supplying, Installing, testing and commissioning of Condenser water Pumps of End Suction & Top Discharge, Non-Self-Priming, Single-Stage, Centrifugal Volute Type Monoblock Pump of capacity suitable for 220 USGPM Water Flow at 20 metres Head, having Cast Iron Casing, Enclosed type Dynamically balanced Phosphor Bronze / SS Impeller, High Tensile Steel Shaft, Carbon Steel Stuffing Box [Sealed by Mechanical Seal], Deep Groove Ball Bearings, TEFC Squirrel Cage High Efficiency Induction Motor, Star/Delta Starter Panel, base Plate, Mounting Channel Frame, accessories and fittings, viz. Mechanical Seal, Pressure Gauges, Thermometers, Drains, Coupling, Coupling Guard, Vibration Isolation arrangement by means of Spring / Rubber type mounting suitable for operation on 3 Phase, 415 Volts ± 10%, 50 Hz, AC Supply complete all as per manufacturer’s instructions, as specified and as directed. Note: The rate quoted shall be deemed to be inclusive of necessary civil work viz. PCC foundation and connected works for installation of Pump Set and its accessories as required at site.

Supplying, Installing, testing and commissioning of Double Skin Air Handling Unit with Air Stream Dinsinfection system, 70 TR Capacity / 50mm Static /28000 CFM, Horizontal, Floor Mounted, Top / Side Discharge having corrosion resistant extruded aluminum hollow profile with Thermal Break, Heavy Gauge Galvanised Steel Channel Base Frame, 43 mm thick Double Skin Panel with pressure injected CFC & HCFC free PUF with 'k' value of 0.02 W/°C m & density 40 KG/Cu.m, Pre-Coated, Pre-Plasticized galvanised outer and inner skin of 0.60mm thick, Air-Tight Casing using Gaskets and Self-Adhesive Tapes, AMCA certified energy efficient fans with double inlet double width forward or backward curved impellers for high static pressure mounted on Aluminum Extruded Slide Rail Base Frame, Chilled water Coils with combination of 6 Rows deep with anti-corrosion Aluminum fins, PVC Nylon Hinges & Handles, View Port and Marine Lamp, Limit Switch, SS-304 Drain Pan, 10 Micron Pre-Filters, Inspection Windows / Doors, Mixing Box and Supply / Return / Fresh Air Dampers complete all as per manufacturer’s instructions, as specified and as directed. The Design Criteria of the AHU shall be as under: [a] Suitable DIDW [Double Inlet Double Width] Fan with AMCA certified Blower having outlet velocity not exceeding 9.2 Metres / Second [b] 4 Pole, TEFC, High Efficiency, Squirrel Cage Induction Motor Drive having BHP rating 20% higher than the peak capacity, suitable for 3 Phase, 415 Volts ± 10%, 50 Hz, AC Supply [c] V-Belt Drive Assembly with Pulleys, Belt, Guard, etc., Double Canvass Connections with Zip to Discharge Duct / Plenum, etc. [d] 50 mm thick, Washable HDPE, 90% down 10 Micron Pre-Filters, Filters, Fixing Framework, Hinge Type Access Doors etc. [e] 6 Row deep Chilled Water Coil section with Copper Fins and Copper Tube tested on 21 KG / Sq.cm with SS Sandwiched Drain Tray, etc. [f] AHU shall be provided with UVC emitters & fixture in sufficient quantity so as to provide equal distribution of UVC energy on the coil and in the drain pan all as recommended by the OEM.

Supplying, Installing, testing and commissioning of Double Skin Air Handling Unit with Air Stream Dinsinfection system, 35 TR Capacity / 75mm Static /14000 CFM, Horizontal, Floor Mounted, Top / Side Discharge having corrosion resistant extruded aluminum hollow profile with Thermal Break, Heavy Gauge Galvanised Steel Channel Base Frame, 43 mm thick Double Skin Panel with pressure injected CFC & HCFC free PUF with 'k' value of 0.02 W/°C m & density 40 KG/Cu.m, Pre-Coated, Pre-Plasticized galvanised outer and inner skin of 0.60mm thick, Air-Tight Casing using Gaskets and Self-Adhesive Tapes, AMCA certified energy efficient fans with double inlet double width forward or backward curved impellers for high static pressure mounted on Aluminum Extruded Slide Rail Base Frame, Chilled water Coils with combination of 6 Rows deep with anti-corrosion Aluminum fins, PVC Nylon Hinges & Handles, View Port and Marine Lamp, Limit Switch, SS-304 Drain Pan, 10 Micron Pre-Filters, Inspection Windows / Doors, Mixing Box and Supply / Return / Fresh Air Dampers complete all as per manufacturer’s instructions, as specified and as directed. The Design Criteria of the AHU shall be as under: [a] Suitable DIDW [Double Inlet Double Width] Fan with AMCA certified Blower having outlet velocity not exceeding 9.2 Metres / Second [b] 4 Pole, TEFC, High Efficiency, Squirrel Cage Induction Motor Drive having BHP rating 20% higher than the peak capacity, suitable for 3 Phase, 415 Volts ± 10%, 50 Hz, AC Supply [c] V-Belt Drive Assembly with Pulleys, Belt, Guard, etc., Double Canvass Connections with Zip to Discharge Duct / Plenum, etc. [d] 50 mm thick, Washable HDPE, 90% down 10 Micron Pre-Filters, Filters, Fixing Framework, Hinge Type Access Doors etc. [e] 6 Row deep Chilled Water Coil section with Copper Fins and Copper Tube tested on 21 KG / Sq.cm with SS Sandwiched Drain Tray, etc. [f] AHU shall be provided with UVC emitters & fixture in sufficient quantity so as to provide equal distribution of UVC energy on the coil and in the drain pan all as recommended by the OEM.

Supplying, Installing, testing and commissioning of Duct Heater Bank of 24 KW capacity with flame proof junction box suitable for installing either in AHU or Outlet plenum of the AHU of the following Capacity with necessary tempearature controls etc,The casing is made of G.I. is available in different sizes. The duct heaters shall be with tubular heating elements with Continuous Fins made up with Stainless Steel suitable for back heat operations with IP64 degree of protection in accordance with EN6059. The elements shall be attached with a alloy casted Terminal Box with powder coating paint upto 500 micron. The junction box shall be as approved and shall meet the following design criteria: (i) Power supply: 230-415V/1-3 PH/ AC/50 Hz (ii) Temperature Class T3 (maximum 200° C) (iii) Suitable for use in areas in which the danger of explosion are due to gases or flames with maximal dielectric strength and heat transfer and minimal heat loss and minimal downtime. (iv) Degree of protection IP 64 (v) Suitable to install horizontally or vertically in Duct /AHU

Supplying, Installing, testing and commissioning of Duct Heater Bank of 18 KW capacity with flame proof junction box suitable for installing either in AHU or Outlet plenum of the AHU of the following Capacity with necessary tempearature controls etc,The casing is made of G.I. is available in different sizes. The duct heaters shall be with tubular heating elements with Continuous Fins made up with Stainless Steel suitable for back heat operations with IP64 degree of protection in accordance with EN6059. The elements shall be attached with a alloy casted Terminal Box with powder coating paint upto 500 micron. The junction box shall be as approved and shall meet the following design criteria: (i) Power supply: 230-415V/1-3 PH/ AC/50 Hz (ii) Temperature Class T3 (maximum 200° C) (iii) Suitable for use in areas in which the danger of explosion are due to gases or flames with maximal dielectric strength and heat transfer and minimal heat loss and minimal downtime. (iv) Degree of protection IP 64 (v) Suitable to install horizontally or vertically in Duct /AHU

Supply, fixing and testing Rotational Moulded Polythene [HDPE] Expansion Tank of 2000 Litres Capacity, ISI Marked, Cylindrical & Vertical Type, as in chilled water makeup expansion tank suitable for Pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, insulated with 50 mm thick insulation covered with sand cement plastering as specified with inter-connection piping, 25mm dia ball float valve, etc. complete conforming to IS - 2825 for "Non-Fired Pressure Vessels" all as specified and as directed.

Supply, fixing and testing Rotational Moulded Polythene [HDPE] Expansion Tank of capacity 5000 Litres ISI Marked, Cylindrical & Vertical Type as in condenser water expansion tank suitable for Pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, with interchangeable EPDM-BUTYL Rubber Membrane as specified with inter-connection piping, 25mm dia ball float valve, etc. complete conforming to IS - 2825 for "Non-Fired Pressure Vessels" all as specified and as directed.

S & F Condenser Water Piping with Mild Steel ERW Pipe of 125mm Nominal Bore, Class 'B' Medium Grade, conforming to IS – 1239 including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.and applying two coats of Synthetic Enamel paint of colour as per IS colour code 2379 over one coat of Red Oxide / Zinc Chrome Primer including preparation of surfaces complete all as specified and as directed.

S & F Condenser Water Piping with Mild Steel ERW Pipe of 100mm Nominal Bore, Class 'B' Medium Grade, conforming to IS – 1239 including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.and applying two coats of Synthetic Enamel paint of colour as per IS colour code 2379 over one coat of Red Oxide / Zinc Chrome Primer including preparation of surfaces complete all as specified and as directed.

S & F Condenser Water Piping with Mild Steel ERW Pipe of 80mm Nominal Bore, Class 'B' Medium Grade, conforming to IS – 1239 including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.and applying two coats of Synthetic Enamel paint of colour as per IS colour code 2379 over one coat of Red Oxide / Zinc Chrome Primer including preparation of surfaces complete all as specified and as directed.

S & F Condenser Water Piping with Mild Steel ERW Pipe of 50mm Nominal Bore, Class 'B' Medium Grade, conforming to IS – 1239 including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.and applying two coats of Synthetic Enamel paint of colour as per IS colour code 2379 over one coat of Red Oxide / Zinc Chrome Primer including preparation of surfaces complete all as specified and as directed.

S & F Chilled Water Piping with Mild Steel ERW Pipe of 100 mm Nominal Bore Class 'B' Medium Grade, conforming to IS – 1239 duly Insulated with 50mm thick Expanded Polystyrene Insulation of density 30 Kg/ Cum and Covered with 26 Gauge Aluminium Cladding or Cement Plastering in Cement Mortar 1:6 including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.complete all as specified and as directed.

S & F Chilled Water Piping with Mild Steel ERW Pipe of 80 mm Nominal Bore Class 'B' Medium Grade, conforming to IS – 1239 duly Insulated with 50mm thick Expanded Polystyrene Insulation of density 30 Kg/ Cum and Covered with 26 Gauge Aluminium Cladding or Cement Plastering in Cement Mortar 1:6 including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.complete all as specified and as directed.

S & F Chilled Water Piping with Mild Steel ERW Pipe of 65 mm Nominal Bore Class 'B' Medium Grade, conforming to IS – 1239 duly Insulated with 50mm thick Expanded Polystyrene Insulation of density 30 Kg/ Cum and Covered with 26 Gauge Aluminium Cladding or Cement Plastering in Cement Mortar 1:6 including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.complete all as specified and as directed.

S & F Chilled Water Piping with Mild Steel ERW Pipe of 50 mm Nominal Bore Class 'B' Medium Grade, conforming to IS – 1239 duly Insulated with 50mm thick Expanded Polystyrene Insulation of density 30 Kg/ Cum and Covered with 26 Gauge Aluminium Cladding or Cement Plastering in Cement Mortar 1:6 including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.complete all as specified and as directed.

S & F Non Chemical type online electrostatic scale preventer 125mm size including control panel, nuts, bolts and gaskets complete all as specified and as directed

S & F Butterfly Valves of 100 mm nominal bore, Class PN – 1.6, rated double Flanged and Drilled, short & long body type, Conforming to IS - 13095, Cast Iron Body, SGI [Nylon Coating] Disc, SS AISI 304 Disc Seal, CS Clamping Ring, SS AISI 410 Shaft with Hand Lever operated for manual operation including all Joints with Rubber Gasket and Jointing Materials, Bolts, Nuts, Washer complete all as specified and as directed.

S & F Butterfly Valves of 100 mm nominal bore, Class PN – 1.6, rated double Flanged and Drilled, short & long body type, Conforming to IS - 13095, Cast Iron Body duly Insulated with 50mm Thick Elastomeric Thermal Insulation, SGI [Nylon Coating] Disc, SS AISI 304 Disc Seal, CS Clamping Ring, SS AISI 410 Shaft with Hand Lever operated for manual operation including all Joints with Rubber Gasket and Jointing Materials, Bolts, Nuts, Washer complete all as specified and as directed.

S & F Butterfly Valves of 80 mm nominal bore Class PN – 1.6, rated double Flanged and Drilled, short & long body type, Conforming to IS - 13095, Cast Iron Body duly Insulated with 50mm Thick Elastomeric Thermal Insulation, SGI [Nylon Coating] Disc, SS AISI 304 Disc Seal, CS Clamping Ring, SS AISI 410 Shaft with Hand Lever operated for manual operation including all Joints with Rubber Gasket and Jointing Materials, Bolts, Nuts, Washer complete all as specified and as directed.

S & F Butterfly Valves of 65 mm nominal bore Class PN – 1.6, rated double Flanged and Drilled, short & long body type, Conforming to IS - 13095, Cast Iron Body duly Insulated with 50mm Thick Elastomeric Thermal Insulation, SGI [Nylon Coating] Disc, SS AISI 304 Disc Seal, CS Clamping Ring, SS AISI 410 Shaft with Hand Lever operated for manual operation including all Joints with Rubber Gasket and Jointing Materials, Bolts, Nuts, Washer complete all as specified and as directed.

S & F Non Return Valves [Swing Check type Multidoor Reflux Valve] with bypass arrangement with suitable flanges, Cast Iron body, 100 mm Nominal bore, conforming to IS – 5312, Class PN –1.6, suitable to handle clear water having turbidity up to 5000 PPM including necessary nuts, bolts, washers, rubber gasket etc. for jointing, complete all as specified and as directed.

S & F Non Return Valves [Swing Check type Multidoor Reflux Valve] with bypass arrangement with suitable flanges, Cast Iron body duly Insulated with 50mm Thick Elastomeric Thermal Insulation, 80 mm Nominal bore, conforming to IS – 5312, Class PN –1.6, suitable to handle clear water having turbidity up to 5000 PPM including necessary nuts, bolts, washers, rubber gasket etc. for jointing, complete all as specified and as directed.

S & F Y-STRAINER 100mm Nominal bore, Mild steel/ Cast iron body, bolted cover, flanged ends, Stainless Steel Bucket having 3 mm Perforation, Flanged Ends, Filtration Area of 1:4, complete with flanges, nuts-bolts, gaskets all as specified and as directed

S & F Y-STRAINER 80mm Nominal bore, Mild steel/ Cast iron body duly Insulated with 50mm Thick Elastomeric Thermal Insulation, bolted cover, flanged ends, Stainless Steel Bucket having 3 mm Perforation, Flanged Ends, Filtration Area of 1:4, complete with flanges, nuts-bolts, gaskets all as specified and as directed

S & F CPVC Pipes, SDR 11, 40 mm bore with Plain CPVC SDR 11 Fittings such as bends, tees, short pieces, connectors, elbows, reducers, union, sockets etc. as in DRAIN PIPES including testing complete all as specified and as directed

S & F 3-Way temperature control modulating mixing Valve of 80 mm nominal bore, cast iron body duly insulted, Class PN-16, suitable for operation up-to 10 Bar, with Electronically operated Actuator for AHUs including all Joints with Jointing Materials, Bolts, Nuts, Washer complete all as specified and as directed. Note: Water flow through the valve shall be regulated by rotation of brass slipper between the main and the bypass ports. It shall be possible to manually rotate the brass slipper through 360° and interchange the main and the common ports to facilitate installation at site. All internals of the valve shall be rust-proof and the 'O' Ring shall be of Elastomeric Insulation. The valve Actuator shall be of Electronic type with DC Motor. The Actuator's angle of rotation shall be 90°. It shall be without any limit switches and shall be overload-proof. It shall have an indicator to indicate the position and push-button to dis-engage the gear train for manual operation.

S & F 3-Way temperature control modulating mixing Valve of 50 mm nominal bore, cast iron body duly insulated, Class PN-16, suitable for operation up-to 10 Bar, with Electronically operated Actuator for AHUs including all Joints with Jointing Materials, Bolts, Nuts, Washer complete all as specified and as directed. Note: Water flow through the valve shall be regulated by rotation of brass slipper between the main and the bypass ports. It shall be possible to manually rotate the brass slipper through 360° and interchange the main and the common ports to facilitate installation at site. All internals of the valve shall be rust-proof and the 'O' Ring shall be of Elastomeric Insulation. The valve Actuator shall be of Electronic type with DC Motor. The Actuator's angle of rotation shall be 90°. It shall be without any limit switches and shall be overload-proof. It shall have an indicator to indicate the position and push-button to dis-engage the gear train for manual operation.

S & F Ball Valve, 25mm Bore, CL 150# rated, Conforming to IS – 9890 and tested as per BS 6755 Part – I, having Floating type Three piece design, Carbon Steel 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 as directed

S & F Automatic Air-Vent Valve having 19 mm End Connections, with Brass OT 58 Body and Cover, Polyacetal Lever, high density expanded polyethylene float, EPDM rubber plug, Stainless Steel Spring, polyamide capm etc. suitable for maximum operating pressure of 16 Bar and maximum operating temperature 115°C respectively, installed on all higher points in the water piping system to automatically remove the trapped air complete all as specified and as directed.

S & F Temperature Gauge of 100 mm Dial size, having Temperature range of 0°C to 100°C, with Glycerin filled Bimetallic Thermometer conforming to EN 13190, having Standard Range of 0°C to 60°C and up to 400°C, IP 67 protection, Bimetal Coil Sensing Element, Accuracy Class 1 as per EN 13190, Stainless Steel Casing, Direct bottom mounted, SS-304 Case and Bayonet type Bezel, SS-316 Stem and Connection, Aluminum Dial [White background with Black marking] and Pointer [Black colour Micrometer with Zero Adjustable], with Toughened Glass Window, Neoprene filling Plug and Gasket including all accessories complete all as specified and as directed.

S & F Pressure Gauge of 100 mm dial size, having Pressure Range of 0 PSI to 200 PSI with Glycerin filled Pressure Gauge conforming to EN837-1, having standard range of 15 to 0 PSI and 16 PSI to 10000 PSI, IP 67 Protection, Accuracy Class ±1.6% of FS, Stainless Steel Casing and TIG Argon welded socket to case, direct bottom mounted, SS-304 Case and Bayonet type Bezel, SS-316 Bourdon, Socket, SS Dial [White background with Black marking] and Pointer [Black colour Micrometer with Zero Adjustable], with Polycarbonate Glass Window, Neoprene Blow Off Disc and filling plug, Silicon Gasket including all accessories complete all as specified and as directed

Supplying, Fabricating, Installing, Testing & Commissioning Galvanised sheet steel ducts of 24 Guage having Zinc coating of 160 Grams / Sq.m and conforming to IS – 655 shall be fabricated in situ for the required size and shape and shall be provided with perfect mouth connection to each Machine as per site requirement complete with gaskets, splitters, vanes including providing angle iron supports, flanges, hangers, nuts & Bolts, etc. duly painted with 2 coats synthetic enamel paint over a coat of red oxide/ Zinc chrome primer with necessary scaffolding complete all as specified and as directed.

Supplying, Fabricating, Installing, Testing & Commissioning Galvanised sheet steel ducts of 22 Guage having Zinc coating of 160 Grams / Sq.m and conforming to IS – 655 shall be fabricated in situ for the required size and shape and shall be provided with perfect mouth connection to each Machine as per site requirement complete with gaskets, splitters, vanes including providing angle iron supports, flanges, hangers, nuts & Bolts, etc. duly painted with 2 coats synthetic enamel paint over a coat of red oxide/ Zinc chrome primer with necessary scaffolding complete all as specified and as directed.

Supplying, Fabricating, Installing, Testing & Commissioning Galvanised sheet steel ducts of 20 Guage having Zinc coating of 160 Grams / Sq.m and conforming to IS – 655 shall be fabricated in situ for the required size and shape and shall be provided with perfect mouth connection to each Machine as per site requirement complete with gaskets, splitters, vanes including providing angle iron supports, flanges, hangers, nuts & Bolts, etc. duly painted with 2 coats synthetic enamel paint over a coat of red oxide/ Zinc chrome primer with necessary scaffolding complete all as specified and as directed.

S & F Mild Steel work conforming to Fe - 290, Grade E-165 as in Framed Brackets of Angles or Tees with web and flanges cut to shape, drilled and counter shank for screw including bending and welding angles as necessary, gusset plates riveting etc, not exceeding 10 Kg each bracket as in supports for ducts/ pipes including two coats of synthetic enamel paint over a coat of red oxide/ zinc chrome primer with necessary preparation of surfaces complete all as specified and as directed.

S & F Spring Activated Fusible Link type Fire Damper complete as per site requirement, having fusible link with melting point of 67.13°C, located in Supply Air / Return Air Ducts at all fire rated crossovers [Shafts, Walls etc.] and tested as per ULL-555 and certified by CBRI complete all as specified and as directed

S & F Acoustic Insulation for Ducts with 25 mm thick, Resin Bonded Fibre Glass Wool of density 48 kg/Cu.m with RP Tissue Paper and covered with 28 Gauge Perforated Aluminium sheet with at least 20% perforation and fastened with sheet using cadmium plated bolts and washers with pitch not less than 300mm and including sealing the ends completely so that no insulation material is exposed and cleaning the internal surface of the duct to make it free from dirt and dust complete all as specified and as directed

S & F Thermal Insulation for Ducts with 25 mm thick, Resin Bonded Fibre Glass Wool of density 32 kg/Cu.m and covered with Aluminium Foil and sealing the joints with 50mm wide adhesive based aluminium tape complete all as specified and as directed

S & F Volume Control Dampers fabricated with 1.2mm thick GI Sheet frames made to shape including wielding/ clinching corners and Blades shall be made up of 1.0mm thick Extruded Anodised Aluminium profile Aero Foil Blades, 75 / 100 mm blade width to suit different sizes, Self Oiling type Plastic Bushings, Stainless Steel Square Control Shaft all as required complete all as specified and as directed

S & F 2 Way Return Air Grills/ Diffusers made of Powder Coated Aluminium extruded section and shall be without Collar Damper/ Volume Control Dampers complete all as specified and as directed

S & F Fresh Air Dampers with GI bowl/ fittings and mosquito proof netting for each AHU of AC Plants complete all as specified and as directed

M & L for Under Deck Insulation for AHU Rooms, conditioned areas & Sun exposed Salbs with 18mm thick Fire Retardant XPE Closed Cell with Metalized Polyester Film and Self Adhesive Backing with Protection Peel off Paper with 50 mm projection for overlap and butting complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 3 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. complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 4 Core, 16 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. complete all as specified and as directed.

Supplying, laying and testing XLPE insulated and PVC sheathed, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 4 Core, 10 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. complete all as specified and as directed.

S & F GI Perforated Cable Tray of Size 100mm wide, 50mm Deep, made with 2mm thick GI Sheet, with Perforation not more than 17.5%, in convenient sections, joined with connectors including all Tees, Right Angle Bends, Suspenders, Bolts, Nuts, Washers etc. complete all as specified and as directed.

S & F GI Perforated Cable Tray of Size 150mm wide, 50mm Deep, made with 2mm thick Sheet, with Perforation not more than 17.5%, in convenient sections, joined with connectors including all Tees, Right Angle Bends, Suspenders, Bolts, Nuts, Washers etc. complete all as specified and as directed.

S & F GI Perforated Cable Tray of Size 300mm wide, 50mm Deep, made with 2mm thick Sheet, with Perforation not more than 17.5%, in convenient sections, joined with connectors including all Tees, Right Angle Bends, Suspenders, Bolts, Nuts, Washers etc. complete all as specified and as directed.

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.

S & F Earth continuity Conductor or main earthing lead made of GI Strip of size 32 X 6mm, fixed to wall on batten or recess or chases or burried in ground or fixed to poles or any other indicated situation including drawing through GI Pipe for earthing etc. complete all as specified and as directed.

S & F Earth continuity Conductor or main earthing lead made of GI Strip of size 25 X 4mm, fixed to wall on batten or recess or chases or burried in ground or fixed to poles or any other indicated situation including drawing through GI Pipe for earthing etc. complete all as specified and as directed.

S & F Earth continuity Conductor or main earthing lead made of GI Wire of 8 SWG, fixed to wall on batten or recess or chases or burried in ground or fixed to poles or any other indicated situation including drawing through GI Pipe for earthing etc. complete all as specified and as directed.

Supply, Installation, testing and commissioning of Commercial Air Curtain Unit of size "70 X 96 inches” for prevention of dust and conditioned air losses, suitable for operation on Single Phase, 240 Volts, 50 Hz, AC, fabricated with 18 Guage CRCA Sheet and shall be given pre-treatment for degreasing, phosphatising etc. in seven tank process and shall be powder coated with RAL7035 coat with matt finish after due preparation of surfaces including Square Perforated Suction Grills made of 2.00mm thick CRCA sheet, Aluminium Alloy Fans and Single Phase Electric Motor, Nozzles etc. complete with fittings and accessories so as to produce 1.00 – 1.50 Metres / Second Air Velocity at Floor Level of Door Opening and including Air Curtain Sensor complete all as specified and as directed.

Notes for Serial Item No. 1 to 59: [a] All civil works such as earth work excavation, PCC/ RCC foundation for equipment, necessary cable ducts with MS covers 10mm thick duly painted, earth work excavation for laying pipe, cable etc. & making good all disturbed/broken surfaces to match existing surface including fixing the ducting, painting / distemper / colour wash etc. shall be deemed to be included in the rate quoted by the contractor. [b] Necessary water supply pipe connections for the Expansion Tank and A/C Plant from existing water supply connection is deemed to be included in the quoted rate. [c] All 3 Phase Motors shall be provided with independent Single Phase Preventor with phase reversal protection. [d] Manufacturers, Technical backup after sales service support shall be provided for chiller package. [e] All loads up to 63 Amps shall be controlled by MCB and for loads above 63 Amps shall be controlled by MCCB. [f] Initial charging of Oil and Refrigerant shall be deemed to be included in the quoted rate. [g] Velocity of air in supply air duct shall not exceed 450m/min [1500FPM] and velocity at diffuser outlet shall not exceed 150m/min [500 FPM] [h] Necessary drain connection at AHU Room and AC Plant room shall be provided by the tenderer and shall be deemed to be included in the quoted rate. [i] Any work not included in the above details, but is an inescapable technical requirement for the efficient performance and smooth functioning of the plant shall be deemed to be included in the rate quoted for this item. [j] Electric and water supply for Phase – I and Phase – II testing will be provided free of cost by the department.

[k] The complete plant shall be installed, tested and commissioned only by the skilled engineer of the original Manufacturer of the Chiller Package. Necessary confirmation shall be submitted by the contractor after completion of the work with test certificates before undertaking by the department for further testing as per tender and cost is deemed to be included in the quoted rate. [l] All Equipment shall be connected with earth strip of size 32 X 6 mm is deemed to be included in the quoted rate. [m] Phase – II Summer, Monsoon & Winter tests shall be carried out as specified in the Particular Specifications and testing officer shall be nominated by Accepting Officer. [n] After completion of Phase – I test, the plant shall be continuously run for 24 hours [Three Shifts of 8 Hours each per day] by the contractor by providing services of one operator in each shift of 08 Hours till completion of all the Phase – II tests and the contractor shall be liable to carry out all the maintenance or repair or replacement of parts [if any] required during this period and quoted rate shall be deemed to be included for this provision. [o] Removal of all electrical fitting/fixtures from ceiling/wall and re-fixing the same including making good of all dismantled surfaces along with provision of new point wiring [wherever damaged] complete as per existing size etc. and shall be deemed to be included in the rate quoted by the contractor. [p] Contractor shall visit the site to make themselves familiar with working conditions, accessibility of site, availability of materials, location of AHU and other cogent condition etc. before quoting the tender. Nothing extra shall be paid consequent to any mistake or misunderstanding or otherwise on this account.

S & F Calcium Silicate False Ceiling at all heights in true horizontal level made out of Calcium Silicate Tiles of size 595 X 595 mm, having Integral dansified reinforced edges of 15mm thickness all around with a collar of width 24mm and 10mm thickness at the centre of siliceous and calcareous material reinforced with cellulose fibre of approved texture, design and patterns, suspended on the Exposed Metal Frame Ceiling Grid of 600mm x 600mm size and applying two coats of Acrylic Washable Distemper over a coat of alkali resistant primer and including suspended Exposed Inter-locking Metal Frame Work using GI Main "T" Runner of size 24x38mm, 0.33mm thick, spaced 1200mm centre to centre, Cross "T" of size 24X32mm, 0.33mm thick, 1200 mm long spaced between Main "T" at 600 mm centre to centre to form a grid of 1200X600 mm and secondary Cross "T" of 600mm long and of size 24X32mm, 0.33mm thick of the 1200x600mm panel to form grid of size 600x600mm, resting on periphery walls / partitions on GI Perimeter Wall Angle of size 24X24X3000 mm, 0.40 mm thick with the help of rawl plugs at 230mm centre to centre with 40mm long dry wall SS Screws including cutting/making opening for services like diffusers, grills, light fittings, smoke detectors etc., wherever required. Main "T" Runners shall be suspended from ceiling using galvanised mild steel [Galvanizing @ 80 Grams per Sq.m] 50 mm long, 8 mm outer diameter M-6 Dash Fasteners, 6 mm dia fully threaded hanger rod up to 1000 mm length and L-Shape level adjuster of size 85x25x25x2 mm, spaced at 1200mm centre to centre along Main "T". Bottom exposed width of 25 mm of all sections shall be pre-painted with polyester baked paint at all heights including Dismantling of Wall & Ceiling Boards [Fibre / Pulp / Insulation etc] of any description or Insulation Boards / Slabs / Blankets including cover fillets complete all as specified and as directed. Make: Aerolite Ceiling Systems / Ramco

Pneumatic Engineers Pvt. Ltd.

SATISH AND CO