Maintenance of 3.3KV O/H line from main road to magazine campus and reconditioning of earth pits for proper earthing in GVP Ph-II Magazine under sawang colliery

Amount

Providing and making steel pole collar with cement concrete 1:3 6 (1 Cement: 3 Coarse sand : 6 Graded stone agg. 20mm nominal size) of specified size and shape including farm work. Plastering if required curing etc. as required (volume of pole / pipe not to be deducted) (0.75 × 0.75 x 0.95) × 14nos. of poles = 7.481 Cum

One coat red oxide paint and aluminum paint for painting of pole with bracket (one no. 12mtr tubular / rail pole)

Supplying and erection of three piece nonlinear resistor type lightning arrestor suitable for 3 wire, 11 KV overhead lines with rated voltage 9 KV (RMS) with a nominal discharge current rating of 5 KA and complete with galvanized clamping arrangement, G.I. bolts, nuts, washers etc, as required.

04. Maintenance less earth resistance of chemical ratty pit (a) latest technology for sandy region). i) Safe earthing electrode having two custom made G.I tubes (galvanized 80 microns, minimum) one side the other of length 2 Mtrs. (Outer dia 80mm field the conductor rich crystalline mixture 11) Back fill compound bag of 25 Kg each iii) Installation charge 01 No. IV) Brick work with common bumt clay R.P.S (none modules) (bricks of class designation 7.5 in foundation and plinth in cement mortar (1:6) 1 Cement: 6 Coarse Sand

Cost of lightening arrestors make of 19mm copper bar with tripped on top 1meter length.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Supplying and erection of cradle guard wire including binding etc as reguired

. Providing and fixing of 6 SWG dia G.I wire on surface or in recess for loop earthing as required

Pioviding of 3 Wie over head conductor spiral separator.

Labour charge for complete work

Total impact of GST for the purpose of CTC

M/S S K ELECTRICAL

M/S SHYAM ELECTRICALS