erection of metallic pole and providing and installation of spike type lightening arresters along with the installation of earthpits at DDU, pumping stations, newly constructed challan ghar, etc. and earthing the gates and fencing of the magazine

Amount

Erection of steel tubular or rail pole strut in cement concrete 1:3:6 (1 cement: 3 coarses and: 6 graded stone aggregate 40 mm nominal size) foundation Including excavation and refilling and secured with holding clamps, bolts, nuts, etc. as required.

Labour cost for loading, unloading of metallic poles for transportation from store to site and vice-versa.

Providing and fixing of approved 5-spike copper lightning arrestor complete set on pole with supply and fixing of insulation pad, support/post insulator, as required. Dimension of ball 50mm round,Rod dia 1", Length: 2', Base plate size (LxBxT): 150mm X 150mmX6mm.

Providing and fixing of 11KV support insulator with fabrication of angle arm/bracket/clamp/hardware on pole for laying of G.L/Copper strip as per the direction of Engineer Incharge.

Earthing with G.L. earth plate 600mmX600mmX6mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/coke and salt as required.

Earthing with copper earth plate 600mmX600mmX3mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/coke and salt as required.

Earth work in excavation by mechanical means (Hydraulic excavator]/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan), including disposal of excavated earth, lead upto 50 m and lift up to 1.5 m, as per directions of Engineer Incharge. for ordinary rock; (36x0.91mX0.91mX3m)

Providing and fixing 6 SWG dia GL. wire on surface or in recess for loop earthing along with existing surface/recessed conduit/sub-main wiring/cable as required. (6x10mX10m+40mX80m)

. Providing and fixing 25mmX5mm Gl. strip on surface or in recess for connections etc. as required (28X15m+4*4m)

Providing and fixing 25mm x 5mm copper strip on surface or in recess for connections etc. as required.

Laying and fixing of G.1. pipe (medium class) of nominal dia. 150mm in ground complete and re-filling etc as required. (36-3m)

Total impact of GST for the purpose of CTC

Coalfield Construction (BID ID -1151282)