Special Repairs for Replacement of BER Central AC Plants at Building No 53 M Under GE Utility I, Visakhapatnam

Amount

Dismantling and Taking down of existing old unserviceable Central AC Plant of capacity 40 TR comprising of Chillers, Compressors, Cooling Towers, Pumpsets/ 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 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 25 TR, suitable for ambient conditions, 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 Thermostatic 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] Test certificates shall be produced for all the condensing units. [c] The quoted price shall be inclusive of a unit mounted Starter to ensure that the starting current does not exceed twice the full load current, 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.

[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: 54°F [b] Chilled Water OUT: 44°F [c] Fouling Factor: 0.0001 Hr.FT2. F/Btu [d] Water Flow Rate: 3 USgpm/TR [ii] CONDENSER: [a] Condenser Water IN: 90°F [b] Condenser Water OUT: 100°F [c] Fouling Factor: 0.00025 Hr.FT2. F/Btu [d] Water Flow Rate: 3.4 USgpm/TR [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 65 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, base Plate, Mounting Channel Frame, accessories and fittings, viz. Mechanical Seal, 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/ forced draft counter flow type Cooling Tower of capacity not less than 105 USGPM and not less than 30 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 91 USGPM Water Flow at 25 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, base Plate, Mounting Channel Frame, accessories and fittings, viz. Mechanical Seal, 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 Disinfection system, 52 TR Capacity / 75mm Static 23400/ 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 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.

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 GI 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. Condenser Water Piping 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 GI 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. Condenser Water Piping 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.

Supplying and laying GI pipe, 50mm dia, light grade for cable protection and sealing both end fixing on wall / poles floor of any type, secured with clamps including taking down of unserviceable existing pipes complete all as specified and as directed.

S & F Non Chemical type online electrostatic scale preventer 100mm size including nuts, bolts and gaskets 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, 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 with bypass arrangement with suitable flanges, Cast Iron body, 80 mm Nominal bore, conforming to IS – 5312, Class PN –1.6, suitable to handle clear water including necessary nuts, bolts, washers, rubber gasket etc. for jointing, complete all as specified and as directed.

S & F Y-STRAINER 80mm 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 UPVC Pipe of 40 mm bore, of pressure rating 10 KGf / Sq.cm including all fittings such as bends, tees, short pieces, connectors, elbows, reducers, sockets etc and fixed to walls, ceiling, and laid on floors including testing complete all as specified and as directed.

S & F Mild Steel ERW Pipe of 80 mm Nominal Bore Class 'C' Heavy Grade, conforming to IS – 1239 as in Chilled Water Piping duly Insulated with 50mm thick Expanded Polystyrene Insulation of density 30 Kg/ Cum and Covered with 28 Gauge Aluminium Cladding including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.complete all as specified and as directed.

S & F Mild Steel ERW Pipe of 65 mm Nominal Bore Class 'C' Heavy Grade, conforming to IS – 1239 as in Chilled Water Piping duly Insulated with 50mm thick Expanded Polystyrene Insulation of density 30 Kg/ Cum and Covered with 28 Gauge Aluminium Cladding including all fittings i.e. Bends, Tees, Teducers, Flanges, Structural Support, Wooden / Puff Blocks, etc.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, 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 Y-STRAINER 65mm 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 3-Way temperature control modulating mixing Valve of 65 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 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

S & F of Water Flow switch suitable for outlet of chiller and condenser units complete all as specified and as directed.

S & F of Strip Heater Bank of capacity not less than 12 Kw to maintain RH factor including necessary wiring, accessories complete all as specified and as directed.

S & F of Humidistats and Thermostats suitable for AHU Room complete all as specified and as directed.

Supplying, Fabricating, Installing, Testing & Commissioning Galvanised sheet steel ducts of 24 Guage having Zinc coating of 120 Grams / Sq.m and conforming to IS – 655 shall be factory fabricated for the required size and shape and shall be provided as per site requirement complete with gaskets, splitters, vanes including providing GI slotted angles/ MS angle frame, flanges, hangers, nuts & Bolts, etc. including painting to MS surfaces 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 120 Grams / Sq.m and conforming to IS – 655 shall be factory fabricated for the required size and shape and shall be provided as per site requirement complete with gaskets, splitters, vanes including providing GI slotted angles/ MS angle frame, flanges, hangers, nuts & Bolts, etc. including painting to MS surfaces 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.

Supply, installation, testing and commissioning of Spring Activated Fusible Link type Fire Damper complete as per site requirement, having 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

Supply, Installation, testing and balancing of Thermal Insulation for Duct with 13mm thick Nitrile Rubber covered with suitable aluminium foil, Class 0, of density 60 kg/Cu.m ± 10% and sealing the joints with 50mm wide adhesive based tape 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.

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 Supply/ Suction Air Grills/ Diffusers made of Powder Coated Aluminium extruded section and shall be with Collar Damper/ Volume Control Dampers complete all as specified and as directed

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

S & F Return Air Boxing with 4mm thick ACP sheet covered with 6mm strip at joints and internally insulation with 13mm thick nitrile rubber inside the boxing 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 3.5 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, 25 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.

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 400mm 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 Copper 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 25 X 5mm Copper 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. complete all as specified and as directed.

S & F Earth continuity Conductor or main earthing lead made of copper Strip of size 25 X 5mm, fixed to wall on batten or recess or chases or burried in ground or fixed to poles or any other indicated situation 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 5mm, fixed to wall on batten or recess or chases or burried in ground or fixed to poles or any other indicated situation for earthing etc. complete all as specified and as directed.

S & F Earth continuity Conductor or main earthing lead made of GI Wire of 6 SWG, fixed to wall on batten or recess or chases or burried in ground or fixed to poles or any other indicated situation for earthing etc. complete all as specified and as directed.

Notes for Serial Item No. 1 to 52: [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 [1800FPM] 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.

Supply, install, testing and commissioning of 5 Star rated Hi-Wall Split Units Indoor / Outdoor with Cordless Remote Control Unit and with in-built advanced Air Filters for better indoor air quality with latest Inverter technology, having Eco friendly Refrigerant Gas, Copper Condenser Coil, EER 4.5 or above of Capacity 2.0 TR, Summer Cool, Inverter Compressor, Automatic 2D Swing Copper Condenser, BLDC Motor, necessary copper pipe connections including cutting, bending, brazing, insulation on pipe etc, PVC Drain Pipe, electric connection between indoor and outdoor unit with suitable size PVC insulated, multi-stranded copper cable including taking down old AC Units and depositing to MES Store Yard complete all as specified and as directed. Make: Blue Star / Hitachi / Daikin / Carrier / Voltas Note : The rate quoted by the contractor is deemed to include for Powder Coated Mild Steel Fixing Brackets for Outdoor and Indoor Units at any height and Copper tube of suitable size, Drain Pipe made of High Density Polyethylene Pipes [HDPE] of pressure rating 6 KGf / Sq.cm of 20mm dia up to 5.00 Metres and 3 Core, 4 Sq.mm, PVC Insulated and PVC sheathed, heavy duty cable, ISI marked with Multistranded Copper Conductor cable, 1100 Volts, FRLS Grade up to 5.00 Metres for connecting indoor and outdoor units.

Excavation in trenches not exceeding 1.5m wide and not exceeding 10 Sq.m on plan area and depth not exceeding 1.5m and getting out in soft / loose soil 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 50 m and depositing where directed at a level not exceeding 1.5m above the starting point 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.

Supply and lay Bricks, common burnt clay building bricks, sub–class "B", Designation 75 in trenches for cable protection complete all as specified and as directed.

Supplying and laying GI pipe, 80mm dia, Light grade for cable protection at road crossing etc. or fixing on wall / poles of any type, secured with clamps including taking down of existing unserviceable GI pipe complete all as specified and as directed.

M & L for Cutting Bituminous Road / Hardstanding etc. as required for Jointing / Laying Cables and Pipeline of width not exceeding 300mm and depth not exceeding 600mm and refilling after laying and making good with PCC 1:2:4, Type B1 using 20mm graded stone aggregate, 100mm thick 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.

Taking down carefully copper / aluminium point wiring [light, fan, socket or power] complete including fittings such as switches, ceiling roses, pendants, regulators, sockets etc. and making good the disturbed surfaces all as per existing complete all as specified and as directed.

Taking down carefully submain wiring of any description and size complete including wooden battens / conduits / casing capping and making good the disturbed surfaces all as per existing complete all as specified and as directed.

Taking down MCCB DBs, MCB DBs, SPN / TPN Enclosures including MCCBs, MCBs etc of any description and any capacity and making good the disturbed surfaces all as per existing complete all as specified and as directed.

M & L for Point Wiring complete with 1100 Volts, FRLS Grade, 1.5 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor Cable, conforming to IS - 694 drawn through and including heavy duty PVC Conduit, 20 mm dia including all accessories concealed in Walls / Roofs / Floors / Ceiling etc. or surface type / semi concealed type and Pressed Metal Flush Box made out of 2mm thick MS Sheet of suitable size and 3 mm thick Hylam Sheet top cover for fixing switches, fittings, regulators etc. concealed in walls, including 1100 Volts, FRLS Grade, 1.5 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor cable as earth continuity conductor with colour coding and connecting to Earth Dolly for One Light / Fan Point / Bell Point controlled by One Switch complete all as specified and as directed.

All as per Serial Item No. 65 above but One 3 Pin Switch Socket Outlet 5 Amps on Independent Board complete all as specified.

All as per Serial Item No. 65 above but one 3 Pin Switch Socket Outlet 15 Amps on independent board, with 1100 Volts, FRLS grade, 4 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor Cable confirming to IS - 694 and including 1100 Volts, FRLS grade, 4 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor Cable as Earth Continuity Conductor.

S & F Switch Piano, Flush Button, Single Pole, One Way, 5 Amps, 230 Volts complete all as specified and as directed.

S & F Switch Socket Outlet, 3 & 2 Pin, Multipurpose, 5 Amps, 230 Volts, Flush Type complete all as specified and as directed.

S & F Switch Socket Outlet, Multipurpose, 3 pin, 15 Amps and 3 pin, 5 Amps, Flush Type, 230 Volts controlled by One Switch complete all as specified and as directed.

S & F Ceiling Rose, PVC Body, 65 X 50 mm, Three Terminals, 230 Volts complete all as specified and as directed.

S & F MCB DB, TPN, 12 Way, 415 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 DB, TPN, 16 Way, 415 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 DB, TPN, 8 Way, 415 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 DB, TPN, 6 Way, 415 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, SPN, 63 Amps, 10 KA, B Curve, AC, 230 Volts, 50 Hz complete all as specified and as directed.

S & F MCB, SPN, 6 to 32 Amps, 10 KA, B Curve, AC, 230 Volts, 50 Hz complete all as specified and as directed.

S & F MCB, SP, 6 to 32 Amps, 10 KA, B Curve, AC, 230 Volts, 50 Hz complete all as specified and as directed.

S & F in repairs Surface & wall mounted Energy efficient LED Tube Light Fitting, of not less than 2000 Lumens output, 5700 K of cool white, with extruded aluminium / CRCA housing and robust construction with necessary acrylic diffuser & integrated electronic driver, all accessories internally prewired and connecting up with twin core PVC insulated, sheathed flexible copper conductor cable of size 1.5 Sq.mm and making good the disturbed surfaces to match with existing complete all as specified and as directed. Note: Light fitting shall be of PF>0.95

S & F in repairs Energy efficient & Long life Building Security Light Luminaire, of not less than 4000 Lumens output, 5700 K with Pressure Die Cast Aluminium Housing, IP66 protection, heat resistant glass cover, high power LEDs as light source, electronic driver including GI Bracket made out of 32 mm bore GI Tube, Medium Grade of size not exceeding 1.50 m in length and bent to shape required and fixed with 2 Nos of Pole fitting Clamps made out of MS Flat of size 50 X 6mm, bolts, nuts, washers and painting with two coats of aluminium paint over a coat of primer red oxide zinc chrome primer and connecting up with three core PVC insulated, sheathed flexible copper conductor cable of size 1.5 Sq.mm complete all as specified and as directed. Note: Light fitting shall be of PF>0.95

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 complete all as specified and as directed. Note: 3 runs of 6 Sq.mm & one run of 20 mm dia PVC Conduit will be measured as one unit.

Pneumatic Engineers Pvt. Ltd.

Shree Ayyappa Engineering

BRITE INDUSTRIES

Flint India