Maintenance of Overhead lines of feeders No.6(3.3KV), 7(6.6KV), 8(6.6KV), 22(6.6KV), 24N(3.3KV) n LT feeders originating from 2X 12.5MVA, 33KV/6.6KV Main Substation to Mines n Workshop of Rajrappa Project for Monsoon period

Amount

Erection of metallic pole of length Above 11.00 metre and upto 12.00 metre, in cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required.

Labour cost for loading, unloading of metallic poles, conductors etc. for transportation from store to site (vice-versa). (Truck will be provided departmentally).

Supplying and erection of stay set complete (galvanised) with 19/20 mm dia X 1.8 metres long stay rod, anchor plate of size 45 cmX 45 cm X 7.5 mm, thimble, stay clamps, turn buckle (20 mm X 60cm), 7/3.15 mm dia G.I. stay wire and strain insulator etc in cement concrete 1:3:6 (1 cement: 3 coarse sand: 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required.

Erection of double pole 3 wire cross arm for 11KV/22KV/33 KV over head lines as required.

Erection of pole top/ straight two wire/Vshape two wire, angle iron/channel iron, cross arm on steel tubular/rail/PCC pole for 11/22/33 KV as required. [Cradle guard bracket (5*2=10) & Single pole brackets= 8)

Erection of disc/ pin insulator for 11 KV over head lines as required. [Disc-30 & Pin-18]

Erection/Tensioning of all aluminium conductor of 7/3.40 mm to 7/4.00 mm diameter and above including binding etc. as required.

Erection of all aluminium conductor of 7/1.96 mm to 7/3.10 mm diameter including binding etc. as required. [For earth wire.]

Supply of 8 SWG GI wire for Cradling.

Erection of Cradle Guard 3 Wire. (5 nos. of spans).

Maintenance/attending breakdown of overhead lines of different feeders originating from 2X12.5MVA, 33KV/6.6KV Main Substation to Mines & Workshop during second shifts for Monsoon period five months (150 days).

Dismantling of pole/ street light standard/strut embedded in cement concrete foundation etc. as required.

Dismantling of over head lines comprising of copper/aluminium over head conductor, G.I. wire, cross arms,

Cost for Bush cutting (Lumsum).

Cost for checking & repairing of jumpers.

Total impact of GST for the purpose of CTC

indra deep nayak (BID ID -1149324)

Coalfield Construction (BID ID -1148873)