Western Coalfields Limited Tender

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-III) derived from natural sources: 4 graded stone aggregate 20 mm nominal size derived from natural sources).

Providing and laying in position specified grade of reinforced cement concrete excluding the cost of centering, shuttering, finishing 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).

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).

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete up to plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more

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

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

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

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

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

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 up to 1.5 m.

12 mm cement plaster of mix : 1:6 (1 cement: 6 coarse sand)

Neat cement punning

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. 40Mm thick with 20mm nominal size stone aggregate.

Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain windowsills, fillets, sunken floor, etc., up to floor five level, excluding the cost of centering, shuttering and finishing : 1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete:

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

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.

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 gsm 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 while transportation and should be supplied in single length upto 12metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6mm angle iron and 3mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. Using M.S. angels 40x40x6 mm for diagonal braces.

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

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.

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.

Fencing with angle iron post placed at required distance and provided with three horizontal lines and two diagonals interwoven with horizontal wires, on both side of 'Y' shape on top of Chain link fencing with barbed wire weighing 9.38 kg per 100 m (minimum), between the two posts fitted and fixed with G.I. staples, turn buckles etc. complete. (Cost of posts, struts to be paid for separately) :-Payment to be made per metre cost of total length of barbed wire used. With G.I. barbed wire

Brick work with clay flyash F.P.S. (non modular) brick of class designation 7.5 in foundation and plinth in cement morter 1:6 ( 1 cement : 6 coarse sand)

Brick work with clay flyash F.P.S. (non modular) brick of class designation 7.5 in superstructure above plinth level up to floor five level in : Cement mortar 1:6 (1 cement : 6 coarse sand

Providing and laying 60mm thick factory made cement concrete paver block of approved shape and colour of M - 30 grade made of C&D waste by block making machine with vibratory compaction laid in required pattern and including over 50mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineer-in-charge.

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50mm including strengthening with 2mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. Made of G.I. wire of dia 4mm.

Supplying, erecting and commissioning of following pump and motor including all mechanical parts etc all complete as per instruction of Engineer in charge. (a). Raw water pump & Motor: Pump of Kirloskar or equivalent with ISI mark and Type SP-1H, IMD dia 134 mm, size 40x40mm, RPM -2800, Head-39.50 mtr, Discharge-4.50 lps, with required concrete base, steel frame base, suction and delivery pipes of required diameter, length and brass valves. Motor of 1.50 kw, RPM-2800, V-415, 3 phase. (b). Sludge handling pump & Motor: Pump of Kirloskar or equivalent with ISI mark and Type SP-1 & 2 H, M2, with required concrete base, steel frame base, suction and delivery pipes of required diameter, length and brass valves. Motor of 1.50 HP, RPM-2800, V-415, 3 phase induction motor. Effluent pump & Motor: Pump of Kirloskar or equivalent with ISI mark and Type KD-5-116, IMP dia 122 mm, size 50x40mm, RPM -2700, Head-15.00 mtr, Discharge- 3.50 lps, with required concrete base, steel frame base, suction and delivery pipes of required diameter, length and brass valves. Motor of 0.75 kw, Duty-SI, V-230, single phase. ( All electrical motor/ pump shall bear minimum one year manufactirers warranty/ gauranty)

Supplying, erecting and commissioning of following mixer/ gear box and motors including all mechanical parts, Flush Mixer with all required inlet / outlet pipes and valves and Revolving Bridge. Revolving bridge made of 150 mm ISMC frame, ISMC 100 bracings, 6 mm thick chequered plate for platform, frame for motor and gear box installation, support rail at outer periphery for revolving bridge and 32 mm dia GI pipe railing etc including priming and painting as per drawing all complete as per instruction of Engineer in charge. (a). Flush mixer Motor & its installation: Motor of 0.75 kw, RPM-1400, V-415, Type 1 J/GEH0340, 3 phase, with required mixing arm. Clariflucolator Gear Box & Motor: Gear box No.1. Elecon or equivalent with ISI mark and Type 4 NOF 4 D, Specification ratio-70/1, Motor of 2 HP, RPM-1350, V-415. Gear box No.2. Elecon or equivalent of ISI mark of type 3NU F 28 C- 1.25 reduction. Motor of 1 HP V-415, RPM- 1350, with required concrete base, steel platform base required for 4.50 mtr dia span with railing etc including mixing arms for both the gear boxes. ( All electrical motor/ pump shall bear minimum one year manufactirers warranty/ gauranty)

Supplying and erecting all electrical parts including complete wiring & panel boards, starters, switches etc & commissioning of the ETP with panelling work etc for Raw water pump & Motor, Sludge handling pump & Motor, Effluent pump & Motor, Flush mixer Motor and 02 nos Clariflucolator Motor all complete as per instruction of Engineer in charge. ( All electrical parts shall bear minimum one year manufactirers warranty/ gauranty)

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