Day to day maintenance of 11KV overhead line from Regional sub-Station to River side pump house with 50 volt and 440 Volt overhead line of Kathara Colliery for the period of one (01) Year

Amount

Erection ofmetallic 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 andrefilling etc. as required) Above 10 mtrs and upto 12 mtrs)

Supplying & erection of stay set complete (galvanized) with 19/20 mm dia x 1.8 meters long stay rod, anchor plate of size 45 cm x 45 cm x 7.5 mm, thimble, stay clamps, turn buckle (20 mm x 60cm), 7/4.00 mm dia G.I stay wire and strain insulator etc in cement concrete 1:3:6 (1 Cement:3Coarse sand:6 graded stone aggregate 40 mm nominal size) foundation including excavation andrefilling asrequired.

Supplying & erection of 11KV disc insulator for 11Kv over head lines with galavanized insulator fitting, ball socket type andcomplete with galvanized strain clamps, bolts, nuts washer etc as required.

Supply and erection of 11KV pin insulator complete with large steel head G.I pin, nuts, washer etc as required.

Erection ofDisc/pin insulator for 11KV overhead lines asrequired

Supplying of channel iron 75mmx40mmx6mm (7.14 ke per meter) pole top bracket/cross arm for single 11KV over head line conductor complete with 50mmx6mm flat iron clamp, bolts, nuts and washer including drilling holes for insulator pins, bolts and nuts etc and painting with primer andfinish paint as required.

Supplying ofchannel iron 75mmx40mmx6mm (7.14Kg per Meter) cross arm for two 11KV over head line conductor complete with 50mmx50mmx6mm (angle iron bracket welded tothechannel iron andcomplete with 50mm x6mm M.S flat iron clamps, bolts for insulator pins, bolts, nuts andwasher etc (as per drawing) and painting with primer and finish paint required

Supplying of 50mmx8mm M.S Flat iron pole top bracket/cross arm for single 11/22/33KV over head line conductor complete with fixing clamps, bolts, nuts andwasher drilling holes for insulator pins, bolts and nuts etc and painting with primer and finish paint 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 11/22/33KV asrequired

Supplying oftwo length ofchannel iron 75mmx40mmx6mm (7.14Kg per meter ) Double pole cross arm for three wire 11KV over head line conductors complete with through bolts and nuts for clamping to the poles 50MMx6MM M.S Flats welded on one side to the channel iron andwith bolts and nuts in he other side for tying the cross arms together, including drilling holes for insulator pins/ fitting bolts nuts and washers etc (as per drawing ) and painting with primer and finish paints as required.

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

Supplying anderection of aset of cross bracing FRLS same work for 11KV over head line double pole structure having four members fabricated out of 50mmx50mmx6mm angle iron to form a rectangle of minimum size 1400MM width x2500 mm height, Complete with 50mmx6mm M.S Flat iron clamps bolts and nuts including drilling holes for insulator pins, bolts and nuts etc (as perdrawing) and painting with primer and finish paint as required.

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 galvanised clamping arrangement, G.I. bolts, nuts, washers etc. as required.

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 diameter and above including binding etc. as required.

Safe earthing electrode having two custom made G.I Tubes (Galvanized 80 Micros, Mininmum one inside the other of length 3 mtr (outer dia 80mm) filledwith conductor rich crystalline mixture (CCM)

Back Fill compound

Excavation for foundation in soft soil including dressing of sides and ramming of bottoms, lift upto 1.5 m including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 metres.

Cradling with 8 SWG G.I Wire with all Accessories

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, Cl. wire, cross arms, insulators etc. as required.

Painting of pole with one coat primer & one coat aluminium paint

Supplying and erection of galvanised 'D iron clamps complete with shackle insulator (100 mm X 110 mm), GI bolts, nuts and washers, coach screws etc. as required.

Supplying and erection of 100 mm X 80 mm pin insulator complete with G. I. Spindle and nuts etc. as required .

Supplying of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) cross arm for 2 wire over head line complete with clamps, bolts, nuts and washer etc including drilling of holes for insulator pins etc (as per drawing) and painting with primer and finished paint as reauired

Erection of ACSR conductor of 7/2.11 mm to 7/3.00 mm diameter including binding etc. as required.

Erection of angle iron/ channel iron cross arm on wood/ RCC/ PCC/ steel tubular/ rail pole etc. as required.

Erection of metallic pole offollowing length jin cement concrete 1:3:6 (1Cement:3Corse sand:6 grade stone aggregate 40 mm Nominal size ) foundation including excavation and refilling etc. as required (Above 8.0 Meter and upto 10.0 meter)

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 cm X 45 cm X 7.5 mm, thimble, stay clamps, turn buckle ( 20 mm X 60 cm), 7/ 4.00 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.

Total impact of GST for the purpose of CTC