Additional Electrical Provisions for AC units, UPS and Genset arrangements to the Government District Head Quarters Hospital at Kulithalai in Karur District.

Supply erection testing commissioning of 2.00TR (6000 KCal/Hr) ABS Plastic split type Air Conditioner conforming to IS1391[Part 2] 1992 with Rotary compressor operating on refrigerant Non CFL suitable for wall mounting for operating on 230V 50HZ single phase AC supply with Five star rating Model as per BEE Specification and capable of performing the following functions. A) Cooling, B) dehumidifying C) Air circulating D) Filtering the installation work for the above split type AC units includes the following. 1. Mounting /fitting indoor and outdoor units at their respective locations. 2. Laying refrigerant pipe line of 6mtrs distance and connecting both units after drilling hole in the wall if required thickness of the copper tubing shall not be less than 0.80mm 3. Insulating the suction pipe with expanded polythene foam 5mm thick tubing. 4. Laying 15mm dia flexible PVC drain pipe of 6mtrs length to throw out the condensate water being formed in the indoor unit. 5. Leak testing the entire gas unit. 6. Charging refrigerant gas in the unit. 7. suitable electric wiring to be provided with 2.5sq.mm PVC insulated copper wire between indoor and outdoor units up to 4mtrs length and up to switch within 3mtrs of location of indoor unit.(Make -Carrier/voltas /Blue star make only)

Supply and fixing of 5KVA Automatic voltage stabilizer of wall mounting type with Automatic time delay switching arrangements suitable to operate on 230V Single phase supply.

Supply and laying of 5/8'' and 3/8'' copper pipe (Extra beyond 3Mtrs supplied with AC Unit)

Supply and fixing of MS Stand for fixing outdoor unit.

supply and Laying of 3 core 2.5Sq.mm Copper wire for interconnecting Ac indoor unit to outdoor unit wires.

Supply and fixing of water drain line (1'' PVC Pipe) (For Split AC Unit)

Supply and fixing of 1 no.6/16A two module socket , 1 no. 16A one module switch on suitable module surface mounting Box ( Plastic ) with module cover plate (plastic) on wall with connections. Higher End

Supply and fixing of 20Amps DP plug and socket in sheet steel enclosure with 32A DP MCB in flush with wall with earth connection. [For AC unit]

Supply and Run of 2 of 2.5 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100 V grade in suitable PVC rigid pipe on wall and ceiling with continuous earth wire connection of 2.5 sq.mm copper wire with painting of suitable colour.

Supply and run of 2 of 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade insuitable PVC rigid pipe on wall and ceiling with continuous earth wire connection of 4sq.mm copper wire with painting of suitable colour.[For 20A MC Plug]

160KVA Generator Supply,testing, commissioning and handing over of 1No, 160KVA Diesel generator set of 0.8PF, 3phase, 415Volts, 50Hz, 1500 RPM complete in all respects as detailed below. A) ENGINE : Water cooled diesel engine suitable for generator application with a shaft out put of 120 BHP suitable at 1500 RPM under NTP conditions .The engine shall comprise the following standard scope of supply: 1) Dry type Air cleaner. 2) Expansion bellow. 3) Radiator, radiator fan and mounting. 4) Air to air charge cooler. 5) Exhaust gas turbo charger. 6) Lube oil cooler and lube oil filter. 7) Fuel filter (pre and micro). 8) In-line mono-block fuel injection pump with governor and fuel feed pump. 9) Electronic governor. 10) 12V/ 24V battery charging alternator. 11) 12V/ 24V Volt electric starter motor. 12) Engine test certificate. 13) Residential Mufler. 14) Fly wheel with starter ring.

Engine instrument panel/ mounting: Engine control panel consisting of ON/ OFF/ START/ KEY, lube oil pressure gauge, oil temperature gauge, high water temperature gauge and electronic hour meter and RPM indicator. Safety system of Engine: The engines shall trip for the following conditions with Visual alarm device. 1) Low lubricating oil pressure. 2) High water temperature . 3) Vee - belt failure and over speed. 4) Low battery indication. The Engine should be capable of providing 10% over load for one hour for every 11 hours continuous running at full load. B) ALTERNATOR : 160KVA/128KW capacity of Brushless Alternator AC 3phase, 50HZ, 415Volts, 0.8P.F, 4 wire self exited,self regulated designto run at 1500 RPM under NTP conditions conforming to IS 13364 (part-II) 1992 to be coupled directly to the Diesel engine and test certificate

30) Hooter/ Audio alarm for indication set fails to start and for DG O/L.31) 1set timers. 32) Audio and visual indication arrangements for , a) Low lubricating oil pressure, b) High water temperature, c) Over speed. 33) 1No Earth fault relay. 34) Isolator to Isolate the neutral. Note: 1. The control panel should be complete with necessary fuses, cables, labels, other accessories with neutral isolation arrangements. 2. The engine should trip for the following conditions. a) Low lubricating oil pressure, b) High water temperature, c) Over speed. 3.Supply and fitment of Auto mains failure panel to EB service with 400Amps switch and contactors with scuf control relays, timers etc. D) ACOUSTIC ENCLOSURE : Acoustic enclosure shall be powder coated and fabricated of 16SWG CRCA MS sheet. The silent canopy shall be nut bolt type construction. Critical processes of punching are done on CNC machine to maintain dimensional accuracy of hole within 0.1mm, powder coating done after seven-tank surface preparation process of sheet metal. Canopy panel and door shall have inside lining of FIRE-RETARDANT 64kg/m density mineral wool of 100mm thickness as acoustic material. Four hinged doors shall be provided to canopy.

The maximum permissble sound pressure level should be as per the norms prescribed by the Central Pollution Control Board/ State Pollution Control Board/ Competent Authority concerened or shouble be within 75 db(A) at 1 meter from the enclosure surface whichever is advantageous to the department. The emergency stop should be available on the enclosure panel. The enclosure provided shall be duly approved by the Engine Manufacturer of the Engine provided for Diesel Generator Set mounted inside and should be to the satisfaction of inspection/ testing authority concerned. SURFACE TREATMENT – PAINTING : The enclosure shall be suitably treated for degreasing, de-rusting and phosphating. The canopies are passed through seven-tank treatment thoroughly. ADDITIONAL FEATURES OF CANOPIES : Canopy fabricated on CNC machines with dimensional accuracy of 0.1mm so as to increase its durability. Special designed supporting rips/structures are used in canopies so as to give sturdiness and to reduce the vibrations of the DG sets if any.

WORLD CLASS COOLING PACKAGE: Canopies shall have cooling package for which it can perform at 45 deg C ambient temperature. No grounding required on the ground, only a level surface capable of with standing the DG weight. Lifting hooks shall be provided for the acoustic enclosure, which should be unloaded independently of the DG set. The Gen set frame shall also be provided with hooks for unloading. Temperature rise inside the canopy: Canopies shall be designed so as to maintain the temperature difference between ambient and air inlet at cleaner within the enclosure well with in 5-7 deg centigrade. D) Base Frame Base frame should be fabricated in sheet metal. The base frame is rugged in construction and designed for mounting engine and brush less alternator closely coupled, with cross members mounted on AVM. The base frame shall have provision for mounting of acoustic enclosure on it. The supply of Gen set includes loading, unloading and transportation charges.

E) Fuel Tank Fuel tank of atleast 440 Ltrs capacity shall be fabricated out of 14 SWG CRCA MS sheet and is part of base frame. It is duly painted and fitted with inlet and outlet connections and mechanical fuel gauge. Fuel tank can be easily removed for cleaning or any maintenance First charging of fuel oil to full capacity and first charging of battery while handing over to the department. Also supply of fuel oil to run the genset for a minimum of 8 hours on load or by using rheostat. F) Battery 2Nos 12V 180 AH battery Tools: Supply of tools like 15" cutting plier - 1no, screw driver 9" & 6" - 2no, DE spanners (6Nos) - 1set, Adjustable spanner -1no, 1/2 lb Hammer - 1no, spanner for removing engine oil plug - 1no, Line tester - 1no for the maintenance and operation of Generator. (Make : Ashok Leyland/ Kirloskar/ Cummins/ Greaves/ Equivalent)

Erection of Gen set: Providing suitable concrete foundation with cement concrete 1:2:4 with sand cushion all around the foundation for erection of 160 KVA Diesel Generator set over the existing fountation and erection of generator set with proper alignment over the existing fountation to suit Genset fountation size.

Supply, Erection, Testing and Commissioning of uninterrupted Power supply (UPS) (Sine Wave) unit of capacity 2KVA with input Voltage 12V DC Supply, Output Voltage 230V, 50HZ AC Supply with following accessories/ Circuits and with following accessories and with 1Hour of Battery backup at full load respectively. 1.Battery charging Device. 2.Inverter Circuit. 3.Over load as well as short circuit. 4.Indication for operations like Battery charging, overload, Low Battery etc. 5.Reset Switch - 1No. 6.Tall Tubular Battery - 2No of 12V AC IT500 150AH (Reputed make ) 7.Two layer Wooden/ Steel stand.

Design, Supply, Erection, Testing & Commissioning of sheet steel enclosed, Dust & Vermin proof, 1000A Single tier MV ACB Floor mounting cubicle panel made up of 1.6mm CRCA sheet steel with powder coating, segration of incoming & outgoing feeders should be with necessary clearence to terminate the outgoing cables with suitable capacity, necessary SMC. D.G.-2(Lighting) Incoming 1000A FP EDO type ACB with shunt Release & UV Release - 1no. DG-2 Incoming Metering, 96 sq.mm Digital type Multi function meter -1no (VIF&KW, P.F, Demand controller. Earth fault relay - 1no, RYB indication lamps-1no. INTERLOCKING ARRANGEMENT: Both the EB & DG-1 & DG-2 incomers, Bus couplers mechanically interlocked with Four lock Three key systems. The interconnection with the bus bars to the 1000A EB ACB & DG-1 and 800A FP SDF Double Break switch with DIN Type fuse units should be done by using 2"X1/2" of Copper flat.

The interconnection with the bus bars to the Exsiting Switchs 800A FP SDF DB switches should be with 2"X1/2" of Copper flat and that for 630A SDF DB Switches with 2"X1/2" Copper flat and that for 400A SDF DB Switches with 1"x½" Copper flat and that 250A SDF DB Switches with 30mmx6mm Copper flat and that 125A SDF DB Switches with 30mmx3mm Copper flat. And Double earth connection to all the switches should be done using No.8 SWG Copper conductor.The buses should be mounted on the SMC bus insulator at proper & sufficient spacing between the buses as per IE rules. 800A FP SDF Double Break switch with DIN Type fuse units - 1nos. All Bus bar supports by using MS supported SMC insulating materials. Joints: All Bus bars joints tinned and galvanized bolt nuts with plate & spring washers. 1"x½"copper flat should be provided all around the panel for earth connection. The Panel should be mounted on angle iron frame work of size 1½"x1½"x¼" MS channel provided panel. The whole arrangements should be erected on a suitable masonary pedastal. ( Switches and ACBs should be with ISI mark and of Higher End make only)

Supply and Laying of 3 1/2 x 185 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and providing cable end termination of 3-1/2 x 185 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete

Supply and fixing of brass cable gland for 3-1/2 x 185 sq.mm. PVC armoured LTUG cable with earth connection

Supply and Laying of 3 1/2 x 300 sq.mm. PVC armoured LTUG cable in suitable size HDPE pipe in a trench to be excavated at a depth of 0.75 metre and refilling the earth to make good.

Supply and providing cable end termination of 3-1/2 x 300 sq.mm. PVC LTUG aluminium armoured cable with necessary aluminium cable sockets by crimping etc with electrical connection complete

Supply and fixing of brass cable gland for 3-1/2 x 300 sq.mm. PVC armoured LTUG cable with earth connection

Preparation of site plan, physical layout, electrical line schematic diagram in 5 sets getting drawing approval from CEIG preparation of completion report, rectification report and arranging CEIG inspection and obtaining safety certificate preparation of 1 set of approved drawing and acopy of safety certificate in a neat frame work to be fixed in generator room and payment of CEIG inspection fees.

Supply and fixing of 25x3mm copper flat with necessary clamp/supports on wall/ floor/ground for earth connection.

Earthing as per the ISI specification with an earth electrode of 2.1 mtr class 'B' GI Pipe of dia not less than 40 mm with copper earth plate of size 125mmx50mmx6mm with necessary funneling arrangement with necessary masonary work and with 38mm RCC slab for brick masonary. 1). Genset - 4 Nos. 2). Panel -2 No

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