SPL REPAIR/ REPLACEMENT OF DG SET AGAINST BER UNDER

Amount

Supply, istallation, testing and commissioning of Diesel engine generating set of capacity 62.5 KVA, 415 volts, (CPCB NORMS Compliance) suitable BHP as per OEM recommendation @ 1500 RPM, Alternator rated at 3 phase 0.8 power factor 50 Hz, 1500 RPM self exicited self regulated brushless AC generator Liquid cooled, both mounted and aligned on a common base frame complete with MS Fuel tank installed including acoustic enclosure suitable for ambient condition at Jammu and confirming to condition under IS 4722, BS 5514/2613/5000 with following :- (i) The capacity of generator set shall be net after all due derating factor as per relevant ISI design (ii) The quoted rate shall be deemed to be inclusive of first fill of oil and final successful acceptance test. (iii) The quoted rate shall de deemed to be inclusive of 12 hours test run at site including of one hour on 10% over load in presence of representative detailed by accepting officer, all arrangements are to be made by the contractor for tests. (iv) The contractor shall arrange for artificial load for testing for final testing of DG set at site and the cost is deemed to be including in above offer. contd to Srl Item No (A)

(A) Alternator : Standard design alternator rated at 62.5 KVA net output at site after considering derating as per site conditions at 0.8 (lag) power factor AC, 3-Phase 4-wire 415 volts 50 Hz, 1500 RPM self exicited 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 confirming to BS2613/5000 and shall be in position to generate supply with frequency regulation with in ± 1% tolerance. The alternator will be suitable for tropical tolerance. The alternator will be suitable for tropical condition:- (i) Insulation class – H (ii) Temperature rise class – ‘H’ (iii) Excitation : Self excited (iv) Regulation performance : The voltage is kept constant with ± 1%, manual voltage adjustment within ± 5% . (v) Frequency regulation ± 1% . contd to Srl Item No (B)

(B) DIESEL ENGINE : Adequate capacity of diesel engine Liquid Cooled to drive independently above alternator and after considering derating as per site conditions after generating and reducing power consumed by accessories, directly coupled through flexible coupling, multi cylinder multi stroke direct injection, 1500 RPM, as per relevant ISI/BS – 5514 with an over load capacity of 10% for one hour in 12 hours continuous running complete with standard (i) Fly wheel with housing (ii) Cooling system : Mounted radiator with fan & belts. (iii) Cooling water pump : Centrifugal type belt driven. contd to Srl Item No (iv)

(iv) Exhaust System : Exhaust system complete with exhaust piping of 150/200 mm dia or as per OEM with MS pipe light grade upto and away (as per CPCB norm) from the enclosure to be erected, covered with asbestos rope and aluminium foil of 28 SWG complete with in the enclosure for safe exhaust without transforming vibration to the wall of the enclosure. Exhaust gas turbo charger type Exhaust manifold Silencer : Residential type bellows (C) FUEL SYSTEM : Fuel injection system with fuel injectors, fuel injection solenoid switch/nozzles/governer capable for 1% speed / frequency regulation. Fuel fileters Fuel hoses (i) Lub oil system :- Lubricating oil filter, Lubricating oil pump (ii) Air Intake system :- Air intake Manifold, Air cleaner dry type (iii) Governer :- A1 (iv) Starting System : Electric self starter with maintenance free batteries including battery charging alternator contd to Srl Item No (D)

(D) BATTERIES :- 1 No Maintenance free Batteries of 12 Volt suitable AH or as recomannended by OEM complete with copper conductor multistranded leads of suitable length from self starter to the battery terminals complete with initials charge and initial fill of electrolyte complete. Starter gear ring Start and stop push button Ignition key / Switch Handling and operation : Salient features of accessories shall be as under :- Radiator with blower fan Corrosion inhibitor coolant Paper elements filters for fuel, lub oil and by pass governer controlled direct fuel injection system Fly wheel housing and fly wheel contd to Srl Item No (E)

(E) GENERATOR MONITORING PANEL : Comprising of following :- (a) Microprocessor based genset controller (Power Command) for metering, monitoring, governing and (b) Engine protection for low lub oil pressure, high coolant temperature (alarm & shutdown) (c) Alternator protection parameters like under voltage, over current, under frequency, over (d) Relay driven for remote annunciations (e) Alternator trim adjustment from the front key pad (f) Operates within a temperature range 0-60 degrees and humidity upto 95% (g) Remote monitoring capability through separate interface modules (h) Genset metering parameters like lube oil pressure, coolant temperature, engine speed (RPM), run hours, DC voltage, intake manifold temperature, 3 phase volts and 3 phase amperes, frequency, KW, KVA power factor etc. contd to Srl Item No (i)

(i) Safety Controls : Engine low lube oil pressure, high water temperature and over speeding of engine (ii) Coupling arrangement : Flexible coupling, fly wheel to suit flexible coupling fly wheel housing. (iii) Accessories : AVM pads built or separately mounted to manufacturer base frame (iv) Base Frame : Made out of ISMC 250 of study design made of MS channel with necessary reinforcement and predetermined holes. (F) FUEL TANK : Daily service fuel tank of suitable capacity as per manufacturers instruction to store 12 hrs running fuel DG Set, made out of 3 mm thick HR sheet top and bottom with calibrated level indicating arrangement, stop cock, drain plug, fuel pump of suitable capacity complete on a common base within the Acoustic Enclosure. contd to Srl Item No (G)

(H) Acoustic enclosure : Enclosure is free standing floor mounted factory built and modular in construction to facilitate easy assembly at work site and will be drop over housing type. It will consist of acoustically treated panel housed in sheet steel. (i) Custom built product for various equipments, with ensure the optimum performance without duration. (ii) Rugged in construction maintenance free and modular designs which facilitate easy at site. (iii) 16 SWG (1.6 mm) Thick CRCA sheets to be used for enclosure panel to ensure longer life against weathering action. High quality acoustic insulation materials to be used as per IS:8183 for maximum sound absorption. (iv) Sheet metal components of the enclosure should undergo various stages of surface treatment prior to painting which leads to be better life of the enclosure against wreathing action. (v) Special paint treatment with pure polyester powder epoxy to be provided for better weather resistance. contd to Srl Item No (vi)

(vi) Well designed ventilation system to be provided to pump up the heat in the chamber efficiently. (vii) For efficient acoustic / weather sealing a special type weather sealing gaskets, new frame rubber gasket to used. (viii) Working space is to be provided around the equipment for easy maintenance / repair (ix) Necessary cut out provision for entry and exist of fuel lines cable to be incorporated in the enclosure as per the requirement. (x) A see through transparent window (glass or acrylic) in front of engine panel to provided for monitoring the operation. (xi) Ducting if required, bellows, mechanical hardware like locks, hinges fasteners etc to be provided. contd to Srl Item No (xii)

(xii) Deliverables, 75 DBA @ 1 mtr at 75% load under free field conditions. The temp inside the enclosure will be within 7 Degree above ambient temp. (xiii) The enclosure should be provided with bulk head light fittings for inside illumination. (xiv) The batteries should be placed inside the enclosure beside the DG set on a suitable insulated plateform. (xv) The DG set should be provided with external emergency stop push button (xvi) The acoustic enclosure parts shall be of powder coated after pre treatment process. The powder coating shade should be Genset Green. The base frame should be painted with epoxy based black shade. (J)The following items are deemed to be included in the rate quoted for all DG sets :- Civil Works :- All civil work including PCC plate form and related to foundations including of panel and equipments including making good and existing structure of disturbed during installation and commissioning of genset. The foundation of DG et plate form designed should be approved by OEM/manufacturere.

Supply & Laying of XLPE insulated, PVC beddad, galvanised steel strip or wire armoured, electric power cable (Heavy duty) with aluminium conductor, 1100 Volt grade, cross-sectional area 50 sq mm, 3.5 core for LT panel to DG set including insertion of cable jointing both side etc.

Supply and fixing of onload changeover switch 415 Volts AC, 4 poles 200 Amps, sheet metal enclosure including fixing arrangement in existing panel/on wall, including nut bolts washer's complete all as specified and directed by engineer-in-charge.

Taking down of existing DG set any capacity and disconnecting the electrical connection and lifting/loading on vehicles, deposit in MES store yard complete as specified and directed by Engineer-in-charge.

Material and Labour for earthing complete with galvanised mild steel earthh plate electrode of size 600mm x 600mm x6mm thick buried dirctly in ground earth (in vertical) earth pit not less than 2.25 mtr below ground level with top edge of plate not less than 1.5 mtr below ground level connected to Galvanised iron earth strip of size 32mm x 6mm by means of nut, bolt,check nuts and washer of galvanised iron including PCC pit in PCC 1:2:4 type B-1, 50mm thick pre-cast RCC 1:2:4 type B-1 cover slab using reinforcement with XPM weighing not less than 1.87 kg/Sqm with suitable handle made of 12mm end bar,including necessary excavation and earth work in any type of soil, 20mm dia medium grade galvanised steel tube for watering with one end fixed with cast iron funnel and wire mesh 40mm bore light grade galvanized steel tubing upto 5m length for earth pre protection incl making earth test point, common salt, charcoal, vegitable material/cow dung etc complete as shown in electrical plate No 3 of SSR Part-l and testing on completion.

M/S INDERPAL SINGH

Ashoka Engineers

G.M. ENGINEERING SERVICES

Harsh Electricals

M/S S K Electricals Regd

CELMAC REGD

BMMJ TRADERS AND ENGINEERS

Jiwan Singh

RATTAN CHAND CHANDAN AND CO

SATISH AND CO

Amit Enterprises

M/S ZTECH