Day to day maintenance work of HT line Overhead line (11KV SWG feeder, 11KV pipradih feeder, 3.3KV filter bed feeder, 3.3KV domestic feeder ,3.3KV old mines feeder and 11KV GVP Ph-II OCP feeder) for the time period of one year or quantities exhaust w

Amount

Erection of metallic pole of following length 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. (Above 8.0 mtr and upto 11 mtr)

Supplying of 50 mm X 8 mm M.S. flat iron pole top bracket/ cross arm for single 11/ 22/33 KV over head line conductor complete with fixing clamps, bolts, nuts and washers drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint as required..

Supplying and erection of galvanised stay set for 11 KV over head lines completewith 19/ 20 mm dia X 1.8 metres long stay rod, anchor plate of size 45 cm X 45 cm X7.5 mm thick, thimble, stay clamps, turn buckle ( 20 mm X 600 mm ), 7/ 4.00 mm diaG.I. stay wire and 11 KV 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 pole top/ straight two wire/ V shape two wire, angle iron/ channel iron,cross arm on steel tubular/ rail/ PCC pole for 11/22/33 KV as required.

Supplying of two lengths of channel iron 75mm x 40mm x 6mm (7.14kg per metre) double pole cross arm for three wire 11KV overhead line conductors complete with through bolts and nuts for clamping of the poles, 50mm x 6mm N.S. flats welded on one side to the channel iron and with bolts and nuts on the other side for tying the cross arms together, including drilling holes for insulator pins/fittings, bolts, nuts and washers etc. (as per drawing) and painting with primer and finish paint as required.

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

Supplying and erection of 11 KV pin insulator complete with large steel head G.I. pin, nuts washers etc. as required(Polymer type)

Supplying and erection of 11KV disc insulator for 11KV overhead lines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc. as required (Polymer type)

Erection of disc/ pin insulator for 11 KV over head lines as required.

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 mm diameter and above including binding etc. as required (20span x 3 wire x 50 mtr X 0.394 kg

cradling: Supply & Erection of G.I 8 SWG including binding etc. as required( For cradling 50 m span)

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

Making of chemical earthpit of resistance less than 1 OHM at different locations as pert direction of Engineer Incharge or his representative (1).Safe earthing electrode having two custom made G.I. tubes (Galvanized 80 micros, minimum one inside the other of length 3 mtr ( outer dia 80mm) filled with conductor rich crystalline mixture (CCM). ( 2.) Back fill compound (bag of 25 kg each). (3) Installation Charge of item no 01 and 02

Providing brick work (in width 225 mm or more) with F.P.S. bricks of class designation 7.5 in cement mortar 1:4 (1 cement : 4 coarse sand) at all levels 0.08 Cu/each x 30 nos.= 2.4 cu

Providing of insulated 4.00 mm dia copper cable, PVC insulated, single core on surface or in recess for loop earthing as required.

Fixing 4.00 mm dia copper wire on surface or in recess for loop earthing as required.Details of cost for 50 Metres

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

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

Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) V shape cross arm for two 11 KV over head line conductors complete with 50 mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required.

MS Nut and Bolt

Excavation for cable trenches in softsoil, depth upto 1.2 m including dressing of sides lift upto 1.5 m, including getting out the excavated soil, refilling with sand and or goog soil after laying of cable/ pipe etc. in layers of 20 cm, ramming, watering and disposal of surplus excavated soil as directed, within a lead of 50 metre (1m x 1m x 3m x 30 nos. = 90 cum.

Total impact of GST for the purpose of CTC

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