PROVISION OF DEFICIENT STAND BY POWER SUPPLY TO ESSENTIAL SECURITY SERVICES PERIMETER LIGHTS AT NAD AND SPECIAL REPAIRS TO POWER SUPPLY ARRANGEMENT TO HANGAR 10 AT INS KALINGA BHEEMUNIPATNAM

Amount

Supply, installation, testing and commissioning of silent Diesel Engine Generating set with accoustic enclosure as per CPCB norms 415 volts 82.5 KVA 3 phase 0.8 power factor 50 Hz, 1500 RPM self excited self regulated brushless AC generator with AMF panel of suitable rating, including accoustic enclosure suitable for ambient condition at sea area and conforming to Engine as per IS:10002,ISO-3046,BS-5514 and Alternator as per IS:4774, BS EN 60034-1 with the following accessories including necessary suitable size of foundation,etc all as per manufacturers instructions,complete all as specified and directed by Eng-in-charge. Make: Kirloskar/ Cummins/Ashok Leyland/Jyoti

Note : (i) The capacity of Generator set shall be net after all due de-rating factors as per relevent IS design and site condition. (ii) Rate quoted shall be deemed to be inclusive of cable and terminations from Generator to the AMF Panel, with necessary fixing arrangements all as specified and directed. (iii) The quoted rate shall be deemed to be inclusive of first fill of oil and final successful acceptance test. (A) Alternator : Standard design alternator rated at 82.5 KVA net output a site after considering de-rating as pe site conditions at 0.8 (lag) power factor AC, 3 Phase-4 wire 415 volts 50 Hz, 1500 RPM, self excited self regulated screen protected drip proof IP 23 enclosure brushless design with winding in pole faces, insulating class `H' and voltage regulation of +/- 1% at rated voltage from no load to full load. The alternator shall be conforming to BS 2613/5000 and shall be imposition to generate supply with frequency regulation with in +1% tolerance. The alternator will be suitable for tropical climate and shall generally conform to BS 2613/5000/IS 4722. Make :Kirloskar /Crompton Greaves/Stamford

(i) Insulation class & Temparature rise class-H (ii) Excitation : self excited (iii) Regulation performance : The voltage is kept constant with +/- 1% manual voltage adjustment with in +/-5% (B) Diesel Engine : Adequate capacity of Disesel engine as accepted by the accepting officer based on manufacturers technical details liquid cooled to drive independently above alternator and after considering de-rating as per site conditions after generating and reducing power consumed by accessories directly coupled through flexible coupling multi cylinder multi stroke direct injection, cold starting 1500 RPM, as per relevant / ISI/BS 5514 with an overload capacity of 10% for half an hour in 12 hours continous running complete with standard accessories all as specified and required for safe handling and operation salient features of accessories shall be as under :- (i) Fly wheel with housing (ii) cooling system : Moulded radiator with fan & belts. (iii) Cooling water pump : centrifugal type belt driven

(iv) Exhaust system : Exhaust system complete with exhaust piping of suitable dia with MS pipe light grade upto & outside and 1 meter away from the enclosure covered with asbestos rope and aluminium foil of 28 SWG complete with in the enclosure for sale exhaust without transforming vibration to the wall of the enclosure. Exhaust gas turbo charge type Exhaust manifold Silencer : Residual type Make of Diesel Engine : Kirloskar /Cummins/Ashok Leyland (v) Fuel system : Fuel injection system with fuel injectors, fuel injection solenoid switch controlled by electronic governor for 1 % speed / frequency regulations, fuel filters, fuel hoses. (vi) Lub oil system :- (a) Lubricating oil filter, (b) Lubricating oil pump (vii) Air Intake system :- (a) Air cleaner dry type, (viii) Governor : Electronic Governor (ix) Starting system : Electric self starter with maintenance free battery including battery charging alternator.

(x) Batteries : Batteries of maintenance free of capacity as recommended by the manufacturer complete with copper conductor multi stranded leads of suitable length from self starter to the battery terminals complete with initial charge and initial fill of electrolyte all as specified and starter gear ring start and stop push button, Ignition key switch Handing and operation : Sailent features of accessories shall be as under : (aa) Radiator with Blower fan (ab) Corrosion inhibitor coolant (ac) Paper element filters for fuel, lub oil and by pass (ad) Electronic governor controlled direct fuel injection system (ae) Fly wheel housing and fly wheel (xi) Generator Monitoring Panel : Comprising of all standard item as mentioned under this schedule / asper standard practice ignition key switch and start/ stop arrangement, indications for Engine parameters hour run meter, RPM meter, Engine oil pressure indicator, water/coolant temparature indicator, battary volt display. (xii) Safety controls : Engine low lube oil pressure high water temparature and over speeding of engine

(xiii) Coupling arrangement : Flexible coupling, fly wheel to suit flexible coupling (xiv) Accessories : AVM pads built or separtely mounted to manufacturer base frames. (xv) Base frame : Made out of ISMC 250 of sturdy design made of MS channel or as recommended by manufacturer. (xvi) Fuel Tank : Suitable size of 8 Hours Capacity on full load with necessary all fittings and MS pipe line to and from the fuel tank to the DG set (C) AMF panel : Factory made indoor type control cubical made out of 2mm thick CRCA sheet dust and vermin proof totally enclosed with front and rear opening of 415 volts 3 phase 4 wire A C 50 Hz, including powder coated, aluminum bus bar of one and half times the rated load of 82.5 KVA alternator complete with internal wiring with PVC insulated single core copper conductor multi stranded wire of 1100 volts grade of suitable capacity, fuses name plates consisting of 4 pole MCCBs and contactors and relays of capacity as recommended by the manufacturer, detachable cable gland plates all controls, indicators and Micro processor base LED/LCD display for indication voltage, current, frequency,speed,KW,KWH,PF,temperature,battery voltage,etc with the following:-

(iii) The generating set battaries and control panel should be inside the enclosure (iv) Fuel tank should be in side the enclosure (v) construction details/specification are as follows: (vi) Outer Body : CRCA sheet of 1.6mm thick (vii) Doors CRCA sheet of 1.6mm thick (viii) Sound insulation : As per OEM Norms. (ix) The accoustic should be composite in construction and fully assembled integral unit (x) The batteries should be placed inside the enclosure beside the DG set on a suitable insulated plat form (xi) The cost of the fuel pipe lines is deemed to be included in the quoted rate. (xii) The DG Set should be provided with external Emergency stop push button (xiii) The enclosure should be suitably illluminated by CFL/FTL/LED lamp fittings (xiv) The noise level should be 75 dB at 1m under free field conditions

(xv) The acoustic enclosure parts shall be of powder coated after pre treatment process . The powder coating shade should be Gen set green. The base frame should be painted with epoxy based black shade (xvi) Rubber matting of LV grade 19 mm thick of suitable size,chequered type,ISI marked shall be laid in front of control panel. (E) Testing : The DG set shall be tested for a period not less than 12 hours continuously out of which at least one hour each on No Load and 25% load, two hours each on 50% and three hours on 75 % of rated full load, five hours on rated full load and one hour on 10% in exceess of rated full load. Necessary load shall be given on connected load.If the required full load for testing purpose is not available at the site,artificial load has to be arranged by the contractor for the testing. All instruments, consumable stores like engine oil, grease required for carrying out the tests including manpower shall be provided by the contractor. Contractor shall arrange DHPP for testing of DG set . Unit rate quoted shall deemed to include cost of the same.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth, n.exc. 10 sqm on plan for foundations/laying of cable etc and getting out in soft /loose soil complete all as specified.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth, n.exc. 10 sqm on plan for foundations/laying of cable etc and getting out in hard /dense soil complete all as specified.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 25 cm in any type of soil complete all as specified.

Removing excavated material to a distance not exc 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified.

M & L for natural river sand as cushioning of cables, including spreading and punning down complete all as specified. Note : punned thickness (minimum 18 cm) shall be measured for the purpose of payment.

Supply and laying of common burnt clay building bricks sub class B of size 230x115x75mm best locally available as in cable protection laid in trenches complete all as specified and directed.

Supply and lay pre-cast concrete cable covers class HV type -1, flat shaped size 300mm x 180 x 40mm, laid in trenches as cable protection complete all as specified and directed.

M&L GI Pipe 80 mm bore ( light grade) with all fittings laid as in cable protection,including removal of old un serviceable pipe complete all as specified and directed.complete all as specified.

M&L GI Pipe 40 mm bore ( light grade) with all fittings laid as in cable protection,complete all as specified.

Supply, laying and testing HT UG XLPE cable,FRLS Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 11000 Volts grade with stranded aluminium conductor of size 3 core 150 sq mm including removal of old un serviceable cable complete all as specified and directed.

Supply, jointing, testing and commissioning of cable jointing kit for 11 KV (Earthed) grade cable for out door termination (heat shrinkable type) complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 150 sq mm including removal of old un serviceable jointing kit complete all as specified and directed. Make : M - Seal/ 3M /Denson / Raychem/Universal.

Supply, laying and testing LT UG XLPE cable,FRLS Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 3½ core 185 sq mm including removal of old un serviceable cable complete all as specified and directed.

Supply, laying and testing LT UG XLPE cable,FRLS Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 3½ core 95 sq mm complete all as specified and directed.

Supply, laying and testing LT UG XLPE cable,FRLS Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 3½ core 70 sq mm complete all as specified and directed.

Supply, laying and testing LT UG XLPE cable,FRLS Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 3½ core 50 sq mm complete all as specified and directed.

S&F on/off load change over switch of capacity 400 Amps, 4 pole,415 V, 50 Hz in sheet metal enclosure,IP-65 protection including removal of old un serviceable change over switch complete all as specified and directed.

M&L Earthing complete with CI pipe 80 mm dia 7.5 m with flanged ends centrifugally cast,class "A" joints with suitable stainless steel bolts,nuts and sufficient slot up to 7.00 m length buried directly and preferably vertically in ground with top flanged end 0.5 m above GL,welded/connected with 32x6 mm copper conductor by means of bolts, nuts, check nuts and washers of galvanised iron including PCC 1:3:6 type C1 chamber and RCC 1:2:4 type B1 cover 40 mm thick, with 8mm dia steel deformed (TMT bars) reinforcement at 150mm c/c both ways, 20mm dia GI light grade pipe for earth lead protection, 20 mm dia GI light grade pipe for watering, water funnel, testing point etc and connected to earthing test point including drilling of 400 mm dia bore in any strata of soil to lower the CI pipe complete all as specified and directed by Eng-in-charge and testing on completion.

MURALI KRISHNA ASSOCIATES

M/s Chandu Lavanya Engineers Contrctors

R AND A ASSOCIATES ENGINEERS CONTRACTORS

M/s Saptagiri constructions

AYYAPPA CONSTRUCTIONS