Special Repairs for Replacement of AC Plant of NCD Building No. P - 21 at Naval Dockyard, Visakhapatnam

Amount

Dismantling and Taking down of old unserviceable central AC Plant of capacity 2 x 25 TR including all connected accessories such as Chiller, Condnser, Pumpsets, Pipeline, Cooling Tower, AHU, Ducts, Valves, Cables 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, installation, testing and commissioning of Floor Mounted Compact Scroll type DX Water Cooled Condensing Unit of Capacity not less than 26 TR, suitable for ambient conditions, with AHRI certification complete with Hermetic Scroll type Compressors with independent Circuits, Water Cooled Shell and Tube type Condenser, 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, Automatic Safety Controls, Flow Switch at Condenser, Ozone friendly CFC Free Refrigerant Gas R-134a / 407C and including Electronic Expansion Valve for Refrigerant Flow Control, properly spaced Baffles for maintaining Optimum Water Velocity and Heat Transfer and the tubes shall be adequately supported complete all as per manufacturer’s instructions, as specified and as directed.

Note: [a] The Chiller shall be designed for a Working Pressure of 150 PSIG and Hydraulically Tested at 225 PSIG. [b] One of the two condensing unit shall be factory tested at design conditions. Test certificates shall be produced for both the condensing units. 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. [c] The motor shall be suitable for 3 Phase, 415 Volts ± 10%, 50 Hz, AC Supply [d] Electric panel shall have an IP 54 rating. [e] Necessary civil work viz. PCC foundation for placement of chillers shall be covered in the scope of work. [f] The Chiller shall be as approved and shall meet the following design criteria: [i] Condenser Water IN: 90°F [ii] Condenser Water OUT: 100°F [iii] Fouling Factor: 0.001 [in FPS units] [iv] Water Flow Rate: 4.25 USGPM / TR [v] Minimum COP [at ARI Conditions]: 4.0

Supply, installation, testing and commissioning of FRP Rectangular / Round shaped Vertical induced Draught Counter Flow Cooling Tower of capacity not less than 120 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.

Supply, installation, testing and commissioning of End Suction & Top Discharge, Non-Self-Priming, Single-Stage, Centrifugal Volute Type Pump of capacity 102 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.

Supply, installation, testing and commissioning of Double Skin Type Horizontal, Floor Mounted, Top / Side Discharge Air Handling Units of 24 TR, 9600 CFM Capacity, 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, DX 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.

Notes for Serial Item No. 2, 3, 4 & 5: [a] All civil works required to install, test and commissioning the equipment such as earth work excavation, 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 clearly specified and included in the offer. [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 Rotational Moulded Polythene [HDPE] Expansion Tank, ISI Marked, Cylindrical & Vertical Type 2000 Litres Capacity, of Pressure rating to suit the system pressure and sized adequately to compensate for water expansion due to operating temperature variations, conforming to IS - 2825 for "Non-Fired Pressure Vessels" with interchangeable EPDM-Butyl Rubber Membrane complete all as specified and as directed.

Supply, Installation, testing and commissioning of Condenser Water Piping made out of MS ERW Pipe, 80 mm bore, 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 over one coat of Red Oxide / Zinc Chrome Primer including preparation of surfaces complete all as specified and as directed.

Supply, Installation, testing and commissioning of Condenser Water Piping made out of MS ERW Pipe, 50 mm bore, 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 over one coat of Red Oxide / Zinc Chrome Primer including preparation of surfaces complete all as specified and as directed.

S & F Butterfly Valve, 80mm Bore, Class PN – 1.6, Flanged and Drilled, 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 Cast Iron Non Return Valve [Swing Check type Multidoor Reflux Valve] with bypass arrangement with suitable flanges, suitable for 80 mm bore pipes confirming to IS – 5312, Class PN –1.6, including necessary nuts, bolts, washers, rubber gasket etc. for jointing, suitable to handle clear water having turbidity up to 5000 PPM complete all as specified and as directed.

S & F 80mm Bore M.S. Y-Strainer Complete with Stainless Steel Bucket having 3 mm Perforation, Flanged Ends, Filtration Area of 1:4, including necessary nuts, bolts, washers, rubber gasket etc. complete all as specified and as directed.

S & F 40 mm bore CPVC Pipes SDR 11 & 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.

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 Suction Line duly insulated with 13mm thick 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 Discharge Line duly insulated with 19mm thick 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 Electronic Expansion Valve, capable to operate on wider temperature range with energy efficient improvement at part load conditions suitable for Water Cooled Central Air Conditioning Plant, with Hermetic Compressor comprising of Direct Expansion [DX] type Evaporator, Shell and Tube type condenser of minimum nominal capacity of 24 TR complete all as specified and as directed.

S & F Sight Glass in Liquid Line complete all as specified and as directed.

Supply, installation, testing and commissioning of Humidistats and Thermostats suitable for Water Cooled Central Air Conditioning Plant, with Hermetic Compressor comprising of Direct Expansion [DX] type Evaporator, Shell and Tube type condenser of minimum nominal capacity of 24 TR complete all as specified and as directed.

Supply, installation, testing and commissioning of 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 high points in the water piping system to automatically remove the trapped air complete as specified in particular specifications.

Supply, installation, testing and commissioning of 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.

Supply, installation, testing and commissioning of 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.

Supply, Fabrication, Installation, testing and balancing of Sheet Metal Ducts as per site requirement to suit each machine mouth connection with 24 Gauge Galvanised Sheet Steel Ducting having Zinc coating of 160 Grams / Sq.m and conforming to IS - 655 including providing angle iron supports, flanges, hangers, nuts & Bolts, Gaskets etc. complete all as specified and as directed. Note: The ducts shall be fabricated in situ for perfect mouth connection to each Machine. Make: SAIL, TATA, JINDAL, LLOYD

Supply, Fabrication, Installation, testing and balancing of Sheet Metal Ducts as per site requirement to suit each machine mouth connection with 22 Gauge Galvanised Sheet Steel Ducting having Zinc coating of 160 Grams / Sq.m and conforming to IS - 655 including providing angle iron supports, flanges, hangers, nuts & Bolts, Gaskets etc. complete all as specified and as directed. Note: The ducts shall be fabricated in situ for perfect mouth connection to each Machine. Make: SAIL, TATA, JINDAL, LLOYD

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.

Supply, Installation, testing and balancing Acoustic Insulation for Duct 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 up to 5 m from Outlet of the Air Plenum including 5 Micron Filters in Air Plenum for all AHUs 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 Thermal Insulation for Duct with Aluminium Foil Faced, 25 mm thick, Resin Bonded Fibre Glass Wool of density 32 kg/Cu.m and sealing the joints with 50mm wide adhesive based aluminium tape complete all as specified and as directed.

M & L for Under Deck Insulation for AHU Rooms & 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, FRLS, armoured heavy duty underground cable, ISI marked with aluminium stranded conductor 1100 Volt grade of size 3 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, FRLS, 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, FRLS, 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.

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 4 Core, 6 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.

M & L for Earthing complete with Copper Earth Plate Electrode 600 X 600 X 3.15 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 Copper Strip of size 25 X 5mm [Earth Lead] and GI pipe 40 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 Copper Strip of size 25 X 5mm, drawn through and including GI pipe 40 mm bore, Medium Grade, 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 Copper Strip of size 50 X 5mm, 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 5mm, 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.

S & F GI Perforated Cable Tray of Size 100mm 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 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 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 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. 41 above but One 3 Pin Switch Socket Outlet 5 Amps on Independent Board complete all as specified.

All as per Serial Item No. 41 above but one 3 Pin Switch Socket Outlet 15 Amps on independent board, with 1100 Volts, FRLS grade, 2.5 Sq.mm, Single Core, PVC Insulated, Unsheathed, Multistranded Copper Conductor Cable confirming to IS - 694 and including 1100 Volts, FRLS grade, 2.5 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, Surface Bakelite, 65 X 50 mm, Three Terminals, 230 Volts complete all as specified and as directed.

S & F Surface & wall mounted Energy efficient LED Tube Light Fitting, of not less than 1800 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 including taking down existing Fluorescent tube light fittings of any description 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 Energy efficient & Long life Building Security Light Luminaire, of not less than 2500 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

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 suitable for mounting MCBs and provision for MCCB as incomer complete all as specified and as directed.

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

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

S & F in repairs MCCB, FP, 125 Amps, 36 KA, 415 Volts, 50 Hz, suitable for fixing on N3 Frame 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

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 4 Core, 50 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.

M & L for brick work with Fly Ash bricks, straight or curved on plan exceeding 6 m mean radius built in Cement Mortar 1:6 complete all as specified and as directed.

M & L for rendering to stone masonry surfaces or surfaces other than fair faces of brick surfaces or on one side of lathing, 15mm thick in Cement Mortar 1:6, surfaces finished even and smooth without using extra cement complete all as specified and as directed.

M & L for providing Precast Cement Concrete Louvers and Jallies, Type, B0, 1:2:4, using 12.5mm Graded Aggregate, 45mm thick [measured solid], including all mouldings but excluding frame, set in Cement Mortar 1:4 including demolition of existing Jallies of any description and removing rubbish to a distance not exceeding 1.50 KM complete all as specified and as directed.

Taking down Cement Plaster of any description on brick or stone walls or concrete surfaces etc including raking out joints, hacking for key scrubbing down with water etc and removing rubbish to a distance not exceeding 1.50 KM complete all as specified and as directed.

M & L for rendering to brick / concrete surfaces, 15 mm thick in Cement Mortar 1:6, surfaces finished even and smooth without using extra cement complete all as specified and as directed.

M & L for preparing newly plastered wall surfaces and applying three coats of white washing complete all as specified and as directed.

M & L for preparation of newly plastered wall surfaces and applying Two coats of Weather Proof Exterior Emulsion Paint [100% Acrylic] over a Coat of Weather Proof Exterior Primer of same manufacturer as that of paint complete all as specified and as directed.

Taking down Chowkats or frame with shutters [without taking off shutter from the frame] exceeding 1.5 Sq.m but not exceeding 4.00 Sq.m each and removing to store complete all as specified and as directed.

Taking down Chowkats or frame with shutters [without taking off shutter from the frame] not exceeding 1.5 Sq.m each and removing to store complete all as specified and as directed.

S & F Mild Steel work conforming to Fe - 290, Grade E-165, as in framed work portions framed and hung as gates, including Pintle hinges, stops, hand-made sliding bolts, etc. such as Ornamental and Intricate Design Grills, Gratings, Ladders etc with ends of bars shouldered and/or riveted, or forged into spikes, framed Guard Bars, Barred Iron Doors, Ladders, framed Balusters, Walk Ways, Railings, framework of Water Tanks and similar work complete all as specified and as directed.

M & L for two coats of Synthetic Enamel paint over one coat of Red Oxide / Zinc Chrome Primer on new steel surfaces over 10cm width or girth including preparation of surfaces complete all as specified and as directed.

M & L for PCC 1:4:8, Type D-2, using 40mm graded stone aggregate as in Foundation, Fillings, Mass concrete, Footings etc complete all as specified and as directed.

Demolition of Unreinforced Cement Concrete in ground floors and Pavings not exceeding 15cm thick [below or above ground level] and removing rubbish to a distance not exceeding 1.50 KM complete all as specified and as directed.

M & L for 50 mm thick PCC 1:2:4, Type B-1, using 20mm graded aggregate as in Flooring, surface finished even and smooth without using extra cement complete all as specified and as directed.

M & L for 75mm thick, PCC 1:3:6, Type C-1, using 20mm graded aggregate as in Plinth protection etc. surface finished even and smooth with out using extra cement complete all as specified and as directed.

M & L for Glazed Polish finished coloured Chequered Cement Concrete Tiles of thickness 23 to 25mm, made with M-25 Grade Precast Cement Concrete, Hydraulically pressed of size not less than 300 X 300 mm, of approved shape, colour and pattern, set, jointed and pointed in neat cement slurry to match including screed bed or bedding layer of mortar 20 mm thick in Cement Mortar 1:4 complete all as specified and as directed.

M & L for Non Skid Ceramic Tiles, Joint Free, Coloured, Premium Quality of size exceeding 0.06 Sq.m and not exceeding 0.11 Sq.m, 7 to 8 mm thick [Square or Rectangular] as in Floors etc, set and jointed in neat cement slurry and pointed flush using polymer based cementitious tiling joint filler to match the shade of the tile including screed bed or bedding layer of mortar 15 mm thick in Cement Mortar 1:4 complete all as specified and as directed. Note: The colour / shade / design of tiles shall be as approved by GE.

M & L for Joint Free Glazed Ceramic Tiles, Edge Cut, Concept Type, Coloured, Premium Quality, of size 300 mm X 200 mm, 7 to 8 mm thick as in Vertical Surfaces such as Skirting, Dado etc set and jointed in neat cement slurry and pointed flush using polymer based cementitious tiling joint filler to match the shade of the tile over backing coat of 10mm thick in Cement Mortar 1:3 complete all as specified and as directed. The colour / shade / design of tiles shall be as approved by GE.

M & L PVC Tiles / Sheets, 2mm thick, Laminated Plain Coloured, Marbled Mosaic or Mottled finish, laid with approved rubber based adhesive in floors complete all as specified and directed. Make: Armstrong / Bohr

M & L for preparation of old plastered or unplastered surfaces including brooming down or steel wire brushing and applying one coat of white wash on ceilings complete all as specified and as directed.

M & L for washing, rubbing down and stopping of distempered and painted surfaces of walls and applying one coat of Acrylic Washable Distemper on wall surfaces complete all as specified and as directed.

M & L for Complete removal of existing treatment of any description on walls and applying two or more coats of Cement based Wall Care Putty on walls including rubbing with sand paper to obtain a smooth surface and making good any undulations on the surfaces and applying Two coats of Weather Proof Exterior Emulsion Paint [100% Acrylic] over a Coat of Weather Proof Exterior Primer of same manufacturer as that of paint on walls complete all as specified and as directed.

S & F in repairs Steel rolling shutters, thickness of laths of 1.25 mm, with ball bearing, as specified including top cover, anchoring rod, hasp and staple and one shop coat of primer, erected in position as indicated, Push and Pull Type complete all as specified and as directed.

S & F Aluminium Powder Coated Sliding Window Frame and Shutters with 91 x 42 x 2 mm thick Three Track section for frames and 39.4 x 17.7 x 2 mm thick Sliding Section for Shutter Frame all round including necessary Joining Cleats, Glazing Clips, Neoprene Rubber Packing, Powder Coated Aluminium Snap Beading, Screws, Powder Coated Aluminium Fittings such as Locking Arrangement [1 No], Suitable Handle [1 No] including glazing with 5 mm thick Tinted Glass, Powder Coated Aluminium Deco Grill of Model / Design No. DG 104 including Powder Coated Aluminium Channel / F Channel of size 20 X 12 X 1mm for fixing Deco Grill and Stainless steel wire cloth / mesh with average aperture not exceeding 1.40 mm and dia of wire 0.36 mm complete all as specified and as directed.

S & F Powder Coated Aluminium [Minimum thickness of Powder Coating 50 Micron] Glazed Door with Frame made of size 101.60 X 44.75 X 1.75 mm thick Section, Shutters Top Rail and Styles made of size 85 X 44.45 X 1.56 mm thick Section, Middle and Bottom Rail made of size 114.30 X 44.45 X 1.55 mm thick Section including necessary Joining Cleats, Glazing Clips, Neoprene Rubber Packing, Screws, Powder Coated Aluminium Snap Beading, Powder Coated Aluminium Fittings such as Handles, 150mm Dia on both sides, Tower bolts, 200 mm Long [2 Nos], Double Action Floor Spring Hydraulically Regulated made of minimum 1.25mm thick aluminium alloy sheet foundation box, main body with stainless steel cover, governing pivot made of brass, other parts made of mild steel heavy duty etc. including Panel inserts with 12mm thick, Prelaminated Particle Board, One Side Decorative Choice Lamination and other side Balancing White, Medium Density, Interior Grade and 5 mm thick Tinted Glass Panel, Concealed Locking arrangements complete all as specified and as directed.

Supply only integral Water Proofing Compound [ISI marked] of approved make.

M & L for Roughening surfaces of old concrete floor by picking, sweeping clean and washing down with water to remove dust etc and brushing neat cement slurry with 3.0 KG of cement per Sq.m area, rendering 15mm thick in cement mortar 1:3 on concrete surfaces finished even and smooth without using extra cement including mixing of water proofing compound of approved make as per manufacturers instructions for levelling the surface smooth to receive the water proofing membrane, priming the surface with a coat of cold applied bituminous primer @ 0.50 KG per Sq.m, applying a coat of Blown Bitumen of grade 85/25 @ 1.2 Kg per Sq.m, laying Polymeric water proofing membrane of weight not less than 3.00 Kg per Sq.m reinforced with polyester non-woven fabric of weight not less than 150 Grams per Sq.m, by torch application with side over lap of 100mm & end over lap of 150mm & tucked into the chases on vertical surfaces by thermo fusion including applying a coat of Blown Bitumen of grade 85/25 @ 1.2 Kg per Sq.m and finished with a coat of bituminous aluminium paint @ 100 grams per Sq.m on top for water proofing treatment complete including taking down existing Roof Treatment of any description including PCC padding of any description and removing rubbish to a distance not exceeding 1.50 KM complete all as specified and as directed. Note: Water proofing compound will be measured and paid separately.

S & F Rotational Moulded Polythene [HDPE] Water Tanks, Triple Layered, ISI Marked, Cylindrical & Vertical Type 250 Litres Capacity hoisted and fixed in position including provision of 40mm/25mm dia spouts for connecting inlet, outlet, over flow and washout pipes complete including taking down old tanks and removing to store complete all as specified and as directed.

S & F Factory made solid panel PVC door shutter 30 mm thick [Style] consisting of frame made out of M.S. tubes for top & bottom rails. M.S. frame shall be covered with heat moulded plain colour PVC "C" Channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and plain colour PVC sheets for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail, Panelling of plain colour PVC sheet to be fitted in the M.S. frame welded / sealed to the stiles & rails with suitable PVC sheet beading, and joined together with solvent cement fixing in frame at site as per specification complete all as specified and as directed.

S & F Solid PVC door frame of size 50mmX47mm made out of 5mm plain colour PVC sheet reinforced with MS square tube in opening complete all as specified and as directed.

M & L for Plain / Reinforced cement concrete Type C1 [Nominal Mix] 1:3:6 using 20mm graded stone aggregate cast in situ in lintels up to 1.5m span, Cills, steps, seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings up to 60 cm in height, copings, kneelers, apex stones, bed plates including weathering, slightly rounded or chamfered angles and throating as directed including use and waste of form work, complete all as specified and as directed.

REAL ENGINEERING WORKS