Re-Installation of 500 KVA, 3.3 KV/440 Volt, Transformer with New Base of Thakur Transformer of Staff Colony under Kathara Colliery,

Amount

(11 KV O/H Line) 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 mtr upto 11 mtr

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 : 3 oarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling as required.

G.O.A.B Switch - 11 KV grade, 800 Amps

Commissioning of 11 KV G.O.A.B

Erection of ACSR conductor of 7/3.35 mm to 7/4.00 mm diameter including binding etc. as required (1 Span x 60 Mtrs x 3 wire = 180 Mtrs x 0.394 Kgs = 70.92 Kgs) ( For Jumpering -1.5 Mtrs x 3 wire x 1 Nos = 4.5 Mtrs x .394 Kgs) = 1.77 + 70.92Kg = Total - 72.69 Kgs

Supplying and erection of a set of cross bracing FRLSame work for 11 KV over head line double pole structure having four members fabricated out of 50 mm X 50 mm X 6 mm angle iron to form a rectangle of minimum size 1400 mm width X 2500 mm height, complete with 50 mm X 6mm M.S. flat iron clamps, bolts and nuts including drilling holes for insulator pins, bolts and nuts etc (as per drawing) and painting with primer and finish paint as required.

Supplying of two lengths of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) double pole cross arm for three wire 11KV over head line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm M.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 & erection of 11 KV disc insulator for 11 KV over head lines with galvanized insulator fittings, ball socket type and complete with galvanized strain clamps, bolts, nuts washers etc as required.

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

Earthing with Copper earth plate 600 mm X 600 mm X 6 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.

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

Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m inwidth as well as 10 sqm on plan) including disposal of excavatedearth, lead upto 50 m and lift upto 1.5 m, disposed earth to be levelledand neatly dressed. Ordinary rock For Transformer Foundation - 1.5 mtr X 1.5 mtr X 1 mtr= 2.25 CuM

Supplying and filling in plinth sand under floors, including watering, ramming, consolidating and dressing complete Total yard 1.5 For Transformer 1 Mtr x 1 Mtr x 1.25 Mtr= 1.25CuM

Brick work with common burnt clay modular bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:4 (1 cement : 4 coarse sand) For Transformer 0.24 Mtr x 1.25 Mtr x 1.25 Mtr x 4 Side= 1.5 CuM

Providing and laying in position cement concrete of specified grade excludingthe cost of centering and shuttering - All work up to plinth level :1:3:6 (1 Cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) For Transformer 0.24 Mtr X 1.25 Mtr X 1.25 Mtr = 0.375 CuM

Cement plaster skirting up to 30 cm height, with cement mortar 1:3 (1cement : 3 coarse sand), finished with a floating coat of neat cement.18 mm thick.

Cradling with 8 SWG G.I Wire

(440 Volt O/H Line) 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 mtr upto 11 mtr

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

Supplying and erection of 100 mm X 110 mm shackle insulator with G. I. Bolt, nuts and straps etc. as required .

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

Erection of all aluminum conductor of 7/1.96 mm to 7/3.10 mm diameter including binding etc as required. (10 span x 4 wire x 50 mtrs =2000 mtrs x 0.149/Mtr = 298 Kgs)

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

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

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

Cradling with 8 SWG G.I Wire

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

Total impact of GST for the purpose of CTC

M.k. Traders

RAHIM CONTRACTOR