PROVN OF BACKFEED CONFIGURATION AND LT CABLE FOR MAFI AND ALLIED WORKS AT AF STN BAGDOGRA UNDER GE (AF) BAGDOGRA

Amount

Provision of PLC software for monitoring and control of 7 VCB's, 5 ACB's at PS - I to have emergency power feed up to MAFI PS - 2 automatically by user of control over existing switch gear for normal & CAT II modes of operation for specific direction of power feeds complete all as specified and directed.

Testing, decommissioning and re - commissioning of existing MAFI - 1 PS transformer, VCB's, ACB's of both substation including rearrangement (if required) in terms of position/place to suit updated power flow arrangement complete all as specified and directed.

Development of soneme wirings/scheme diagrams/cable schedule for each station to suit integration program and preparation/ conduit of scheme test protocols complete all as specified and directed.

M&L for Health checks and repair function for 2 transformer, 14 No 11 KV VCB's Inter connection cabling test and termination, 7 No 800A ACB's including addition of remote control facility, U/V facility, Enhancement of aux contract (if required) with extension of control wiring with equipment in control wiring equipment in complete to suit Original MAFI concept complete all as specified and directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for taking out pipe line etc. for repairs / laying cables etc. and getting out in soft / loose soil complete all as specified and as directed by the Engineer - in - Charge.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and as directed by the Engineer - in - Charge.

Removal of excavated material [soil] to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed by the Engineer - in - Charge.

Supply, laying, testing and commissioning of cable XLPE Insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 35 sqmm 2 core complete all as specified and directed.

M&L for 50 mm bore HDPE Pipe PN 10 for cable protection with all fixing accessories such as 40x3mm Clamps of suitable length, Nut bolts and washers and fixed complete to walls and ceilings or laid in floors complete all as specified and directed.

Laying only 2200 RM cable (95 Sqmm 4 core) from user store carefully in trenches without twisting all as specified and as directed by Engr-in -charge.

M/S MANAS MITRA

HALDER ENTERPRISERS

M/s Chakraborty Enterprise

SHRI P P SHARMA

RAMKRISHNA NARAYAN ROY & CO

SUNIL DAS AND CO

BUILDERS ASSOCIATE