Industrial water supply arrangement for Continuous Miner at Tawa-I UG mine of Pathakhera Area

Amount

Item code 2.7.3 Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-in-charge. Hard rock (blasting prohibited).

Item code 2.9.3 Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. Hard rock (blasting prohibited).

Item code 4.1.8 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:4:8 (1 Cement : 4 coarse sand (zone-III) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources).

Item code 5.1.2 Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, ifnishing and reinforcement- All work up to plinth level : 1:1.5:3 (1 cement: 1.5 coarse sand (zone-III) derived from natural sources: 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Item code 5.2.2 Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement. 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Item code 5.3 Reinforced cement concrete work in beams, suspended floors, roofs having slope up to 15° landings, balconies, shelves, chajjas, lintels, bands, plain window sills, staircases and spiral stair cases above plinth level up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:1.5:3 (1 cement: 1.5 coarse sand (zone-III)derived from natural sources: 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Item code 5.22.6 & 5.22A.6 Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete. Thermo-Mechanically Treated bars of grade Fe-500D or More.

Item code 5.9.1 Centering and shuttering including strutting, propping etc. and removal of form for: Foundations, footings, bases of columns, etc. for mass concrete.

Item code 5.9.2 Centering and shuttering including strutting, propping etc. and removal of form for: Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Item code 5.9.5 Centering and shuttering including strutting, propping etc. and removal of form for: Lintels, beams, plinth beams, girders, bressumers and cantilevers.

Item code 5.9.3 Centering and shuttering including strutting, propping etc. and removal of form for Suspended floors, roofs, landings, balconies and access platform.

Item code 5.9.6 Centering and shuttering including strutting, propping etc. and removal of form for: Columns, Pillars, Piers, Abutments, Posts and Struts.

Item code 4.12 Extra for providing and mixing water proofing material in cement concrete work in doses by weight of cement as per manufacturer's specification.

Item code 5.30 Add for plaster drip course/ groove in plastered surface or moulding to R.C.C. projections.

Item code 10.31 Providing and fixing angle iron frames for doors, windows and ventilators of mild steel Angle sections of size 35x35x5 mm, joints mitred and welded by angle iron 35x35x5 mm or 35x 5 mm flat pieces to the existing T-iron frame or to the wall with dash fastener, including fixing of necessary butt hinges and screws and applying a priming coat of approved steel primer, all complete as per the direction of Engineer-In-charge.

Item code 10.1 Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Item code 10.5.2 Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. Using flats 30x6mm for diagonal braces and central cross piece.

Item code 9.48.1 Providing and fixing M.S. grills of required pattern in frames of windows etc. with M.S. flats, square or round bars etc. including priming coat with approved steel primer all complete. Fixed to steel windows by welding.

Item code 6.34.2 - (6.4.2 - 6.1.2) Brick work with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive strength in foundation and plinth in : Cement mortar 1:6 (1 cement : 6 Coarse sand).

Based on item code 6.34.2 Brickwork with non modular fly ash bricks conforming to IS:12894, class designation 10 average compressive strength in super structure above plinth level up to floor two level in: Cement mortar 1:6 (1 cement : 6 coarse sand).

Item code 11.3.1 Cement concrete flooring 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. 40 mm thick with 20 mm nominal size stone aggregate.

Item code 13.16.1 6 mm cement plaster of mix : 1:3 (1 cement : 3 fine sand).

Item code 13.1.2 12 mm cement plaster of mix : 1:6 (1 cement: 6 fine sand).

Item code 13.18 Neat cement punning.

Item code 22.14.1 Grading roof for water proofing treatment with Cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size).

Item code 13.37.1 White washing with lime to give an even shade : New work (three or more coats).

Item code 13.61.1 Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work.

Item code 18.12.8 Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. External work: 80 mm dia nominal bore.

Item code 4.17 Making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement : 3 coarse sand derived from natural sources : 6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75mm thick bed of dry brick ballast 40 mm nominal size, well rammed and consolidated and grouted with fine sand, including necessary excavation, levelling & dressing & finishing the top smooth.

Item code 2.25 Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Item code 5.12 Providing, hoisting and fixing above plinth level 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 1:1.5:3 (1 cement 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Item code 16.53 Providing and fixing concertina coil fencing with punched tape concertina coil 600 mm dia 10 metre openable length ( total length 90 m), having 50 nos rounds per 6 metre length, upto 3 m height of wall with existing angle iron ‘Y’ shaped placed 2.4m or 3.00 m apart and with 9 horizontal R.B.T. reinforced barbed wire, stud tied with G.I. staples and G.I. clips to retain horizontal, including necessary bolts or G.I. barbed wire tied to angle iron, all complete as per direction of Engineer-in-charge, with reinforced barbed tape(R.B.T.) / Spring core (2.5mm thick) wire of high tensile strength of 165 kg/ sq.mm with tape (0.52 mm thick) and weight 43.478 gm/ metre (cost of M.S. angle, C.C. blocks shall be paid separately).

Item code 18.19.6.1 Providing and fixing gun metal non- return valve of approved quality (screwed end) : 80 mm nominal bore. Horizontal.

Item code 18.31.1.2 Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately) : 100 mm diameter. Class II.

Providing and fixing ISI marked heavy duty double-flanged C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately): 80 mm diameter Class II.

Providing and fixing ISI marked medium class G.I. pipes complete with G.I. fittings, including trenching in soil/ ordinary rock/ hard rock and refilling etc. External work. 100 mm dia nominal bore.

Providing and fixing ISI marked double-flanged heavy duty C.I. non-return valves complete with bolts, nuts, rubber insertions etc.: 100 mm nominal bore Class II. Horizontal.

Providing & fixing ISI marked 3-phase 7.5 HP mono-block pump (with motor) of approved make, including cost of panel board, switch, starter, wires/cables, fittings/fixtures, & testing, etc. all complete.

Supply, installation, commissioning, and testing of pressure sand filter of 5000 gallons per hour (GPH) output capacity to treat raw water and convert it into potable water (with output parameters as per the standards/ norms of drinking water) including the cost of all its components, inlet & outlet connections with 100 mm nominal dia G.I. pipes, backwash arrangement, etc. all complete. The contractor shall also be required to suitably label all the valves etc. with silver paint and fix a board in the pump house diagramatically showing the various flow charts and operations of the pressure filter (with paint). Payment shall be made only after satisfactory testing of quality and output rate of purified water. Detailed specifications are given in the NIT.

Total impact of GST for the purpose of CTC

M/S SINGH CONSTRUCTION & COMPANY ENGG & CONTRACTOR

BALAJI CONSTRUCTION COMPANY