Changing of bushing and installation of WTI-OTI meter on 1 MVA, 11KV/550V Transformer installed at intake riverside along with installation of 11KV VCB under Kathara colliery.

Cost of 11KV Primary busing insulator with stud

Cost of 550V secondary busing insulator with stud

Cost of copper Patti for connection (8mm x 2" x 10") of required hole size

Cost of copper Lugs of size 185sqmm

Cost of Aluminum PG clamp of required size(heavy duty), three bolt

Cost of Bimetallic clamp

Cost of Cork Sheet of size 8mm

Supply of Winding Temperature meter for 3MVA,11KV/3.3KV Transformer

Supply of Oil Temperature meter for |3MVA,11KV/3.3KV Transformer

Earthing with copper earth plate 600 mm X 600 mm X 3 mm 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.

Repairing of fins by brazing etc.

Supply of single core Aluminium cable of size 185sqmm

Labour charges

Earthwork by mechinical/manual means in rough excavation, banking excavated earth in layers not exceeding 20cm in depth, breaking clods,watering, rolling each layer with ½ tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks,marginal banks and guide banks or filling up ground depressions, lead upto 50 m and for all lift: All kind of soil 1) For VCB - 0.65 mtr x (2 + 2 mtr = 4 mtr) x (1 mtr+1 mtr=2 mtr) = 5.2 CuM

Brick work with common burnt clay F.P.S (non modular) breaks of class designation 7.5 in foundation andplinth in cement mortar 1:4 (1 cement:4 coarse sand) (1) for VCB-(1Nosx(0.25mtrx2mtrx2 mtr)= 1CuM +1Nosx(0.25 mtrx2mtrx1mtr)=0.5 Cum)=1.5+0.5 Cum (for stairs)= 2 Cum

Providing and laying in position grade of reinforced specified cement exchuding concrete, the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 (1 cement: 2 coarse sand (zone-III) derived from natural sources: stone aggregate 4 graded 20 mm nominal size derived from natural sources) 1) For VCB - 1 Nos. x (0.102 mtr x 2 mtr x 1mtr) =0.204 CuM

Cement plaster skirting up to 30 cm height, with cement mortar 1:3 (1 cement: sand), finished 3 coarse with a floating coat of neat cement.18 mm thick1)1mtr For = VCB 6 Mtr- 1 No. x (2 mtr x 2 mtr +2 x + (2 mtr x 1 mtr) = 8 Sq.M

Supplying under and filling in plinth with sand floors, including watering, consolidating ramming, and dressing complete =1.125 For VCB- (1.5 mtr x 1.5 mtr 0.50 mtr) =1.125 CuM

Total impact of GST for the purpose of CTC

Please Enable Macros to View BoQ information