SPECIAL REPAIRS TO BER DG SETS WITH CONTROL PANELS FOR P84 AND P86 AT NAD BHEEMUNIPATNAM UNDER GE P NAVY KALINGA

Dismantling of U/s DG set 100 KVA capacity and disconnecting all coomections, LT panel board and cables and loading and transporting the the DG set and handing over to the MES storeyard and as directed by the Engineer-in-charge.

Supply, installation, testing and commissioning of silent Diesel Engine Generating set of 100 KVA capacity all as per CPCB-IV + norms, 415 Volts 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 all necessary accessories for proper functioning of DG set including PCC Foundation, GI Pipe for laying of cable etc all as per manufacturers instructions complete all as specified in Particular specifications and as directed by Engineer-in-charge.

Supply ,laying & testing, replacement LT UG XLPE cable, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavyduty) earth system with stranded aluminium conductor,1100 volts grade of size 3.5 core 70 sqmm and conforming to IS all as specified and directed

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for laying pipe lines, cables etc and nexc 1.5 m in depth and getting out hard / dense soil complete including taking out cables, cable cover etc all as specified.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for laying pipe lines, cables etc and nexc 1.5 m in depth and getting out soft / loose soil complete including taking out cables, cable cover etc all as specified

Returning, filling-in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm using excavated soil all as directed.

Removing excavated materials to a distance not exceedcing 50 meters and depositing where directed at a level not exceeding 1.5 m above the starting point all as specified

Unreinforced Precast Cement Concrete Cable Covers, Class HV Type - 1, Flat, size 250mm X 150mm X 40mm in trenches for cable protection, embossed with "ELECTRIC" on the top surface complete all as specified and as directed

Supply and spread clean dry river sand as cable cushioning for protection of underground cable to be laid in trenches / transformer yard / two pole structure etccomplete all as specified and directed. (Note: Punned down thickness will only measured for the purpose of payment.)

M&L in repairs 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 32x6mm thick 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. complete allas specified and as directed.