PROVISION OF DIESEL GENERATOR TOWARDS AUGMENTATION OF BACKUP POWER SUPPLY FOR CRITICAL OFFICES AT BLDG 42 AT NAVAL DOCKYARD, VISAKHAPATNAM UNDER GE (I) DM VISAKHAPATNAM.

Amount

Supply, installation, commissioning and testing of diesel engine driven DG set capacity of 400 KVA, 415 V with AVR and AMF system including foundation as per OEM recommadation complete all as specified and directed. Make:- Kirlosker/Greaves cotton or equivalent

Supply and laying in duct XLPE insulated, screened, PVC bedded, galvanised steel strip armoured, overall PVC sheathed electric power cables (heavy duty) with aluminium conductor, 1100 volts grade (Earthed) cross sectional area 400 sq. mm 3.5 core complete all as specified and directed.

M & L for Earthing complete with galvanised steel earth plate electrode 60 x 60cm x 6mm thick, buried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level, connected to galvanised iron strip 32 x 6 mm as earth lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel as shown in electrical Plate No. 2, connected to the earthing test point, concrete pit in PCC 1:3:6 type C-2 with RCC precast pit cover slab 80mm thick with handle for lifting made out of 8mm dia MS rod, Funnel with watering pipe, wiremesh, charcoal and salt in alternate 150mm thick layers around earth plate including necessary returning filling in & removal all as specified or indicated in SSR Part-I, including testing to achieve earth resistance value as per IS specification on completion after dismentling taking out unserviceable one complete all as specified and directed.

M & L for 415V , 630A , 4 Pole Load change over switche hand operated enclosed in panel , fabricated vertically, fixing with nuts & bolts on 50 x 50 mm ISMC as per directions of Engineer-in-Charge and using 3 mm thick CRCA MS sheet all over body front and back cover with hinges and aldrops for locking arrangments, 1 mm thick FRP coating all over the external surfaces and 3 mm thick MS sheet for bus bar cover, partitions and cable entry covers duly painted with one coat of redoxide and two coats of synthetic enamel paint including and provision to accommodate the following:

a) 630A current carring capacity ETP Copper busbars inside Cable box to connect 12 run Cables of panel incoming supply. (b) 630A current carring capacity ETP Copper busbar inside Cable box to connect 12 run Cables of DG supply. (c) 630A current carring capacity ETP Copper busbar inside Cable box to connect 12 run Cables of Output supply. (Make -ABB model no-1SYN022785R6130) Drawing shall be got approved by GE before fabrication of the panel (i) All incoming and outgoing cable connections are deemeded to be included in the quoted rate. (ii) The panel shall be brought to site location and rate shall deemed to be included in quoted rate. (iii) Copper busbars shall have coloured pvc sleeves incoming outgoing panel details marking deemeded to be included in quoted rate.

S&F Galvanised iron earthing strip 32x6mm including connection with existing strip by making necessary drilled hole complete all as specified and directed.

SPAAN Infratech (BID ID -3150964)

MSN ENGINEERING WORKS (BID ID -3150731)

DPS sales and services india (BID ID -3150521)

AARAV POWER CONTROLS (BID ID -3150406)