Repairing and maintenance of Sub-station for smooth power supply to 4, 5, 6 and 7, 8 incline of Dhori (K) colliery

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 re-filling etc. as required : Above 10.00 Mtrs. & upto 12.00 mtrs.

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 re-filling etc. as required : Above 8.00 Mtrs. & upto 10.00 mtrs.

Dismantling of cable & stacking at a place as per instruction of EIC. 120,90, 70 sqm cable.

Supply and fixing of horizontal type heavy duty GOS, 11KV, 800A double break.

Dismantling of old GOS.

Laying of cable on surface of earth.

Supplying and laying 25 mm x 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50 mm)

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete. : Cold twisted bars

12mm cement plaster of mix 1:4 (1 cement : 4 fine sand).

Surface dressing of the ground including removing vegetation and in-equalities not exceeding 15 cm deep and disposal of rubbish, lead upto 50 m and lift upto 1.5 m : All kinds of soil.

Galvanized wire mesh of average width of aperture 1.4mm and nominal dia of wire 0.63mm.

Providing and fixing M.S. angle 50x50x5 mm to act as nosing with lugs of M.S. flat 10x5 mm, 10 cm long, forked at end 60cm apart (minimum three lugs to be provided), including necessary welding and applying a priming coat of approved primer on exposed surface etc. complete.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineerin-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost ofpurlins, rafters and trusses and including cutting to size and shape wherever required.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 5.0 in foundation and plinth in : Cement mortar 1:6 (1 cement : 6 coarse sand).

Brick work with common burnt clay F.P.S.(non modular) bricks of class designation 5.0 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:6 (1 cement : 6 coarse sand).

Providing, hoisting and fixing up to floor five level precast reinforced cement concrete work in string courses, bands, copings, bed plates, anchor blocks, plain window sills and the like including the cost of required centering, shuttering, but excluding cost of reinforcement with 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20mm nominal size).

Applying priming coat : With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanized iron/steel works (+) With ready mixed red oxide zinc chromate primer of approved branch and manufacture on steel work (second coat).

Painting with aluminium paint of approved brand and manufacture to give an even shade : Two or more coats on new work.

Providing of nut-bolt of different size as per requirement.

Providing of chemical earthpit.

Dismantling roofing including ridges, hips valleys and gutters etc., and stacking the material within 50 meters lead of : G.S. Sheet.

Total impact of GST for the purpose of CTC

M/S KUMAR ENTERPRISES (BID ID -1104992)

Sagar Enterprises (BID ID -1105002)