Metropolitan Transport Corporation Chennai Limited Tender

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Supplying and erecting centering for sides and soffits including necessary supports and strutting up to 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at about 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specification. (Payment for centering shall be given after the concrete is laid

For plane surfaces such as RCC floor slab, roof slab, beams, lintels, bed blocks, landing slab, waist slab, portico slabs and beams, etc.

For column footing plinth beam bed blocks templates staircase, steps piers raft beam raft slab etc.,

Providing and laying in position, Standardised Concrete Mix M-25 Grade in accordance with IS:456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350 kg/mᶾ and maximum water cement ratio of 0.50, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials).

foundation and basement

ground floor up to 4.50 m height

Providing two legged scaffolding using 15 cm dia casuarinas post of 4 M over all length (3 M Height + 0.5 M Projection + 0.5 M into the Ground) the distance between the two rows being 1.25 M and the spacing of posts being 2.0 M in both the rows with two horizontal posts with 0.5 M. Overlap on either side and braces at 2.0 M Center to center including longitudinal and transverse middle braces to step up and providing a platform with country wood planks of 40 mm thick and 1 M width, etc. in a complete from using coil and nails.

for initial height of 3m and length of 1M

for additional height of 2.5m and length of 1M

Brick Masonry in cement mortar 1:5 (One cement and five sand) in foundations, basement and superstructure walls using second class ground moulded chamber burnt bricks of size 9”x 43/8”x2 3/4” etc., complete complying with standard specifications and drawings and as directed by departmental Engineers. (Derived from S.I. 163) TNBP No. 31.

basement

ground floor up to 4.50 m height

Construction of Granular Sub Base by providing close graded material, mixing in a mechanical mix plant at OMC, carriage of mixed material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401

RCC Jolly with 50 mm thick in Cement Concrete 1:2:4 (One of cement two of sand and four of aggregate) using 20mm thick hard broken stone jelly and river sand including the cost of reinforcements grills and fabrication charges but including moulding, curing finishing charges and fixing in position neatly etc., complete complying with standard specification and as directed by the Departmental officers.

Plastering the walls with Cement Mortar 1:3 (one of cement and three of sand) - 20 mm thick using the m sand including curing and finishing neatly complying with standard specification and as directed by the departmental officers etc. complete. S.I. 311--TNBP No. 55& 56

Painting the walls with Two coats with first class quality Plastic Emulsion paint of approved colour over a priming coat including thorough scraping, clean removal of dirt. The rate includes cost of brushes, sand paper, plaster of parries, putty wherever required and neat finishing etc., complete complying with standard specification and as directed by the Departmental Officer (the colour and quality should be got approved by the Executive Engineer before use) S I No 358

paving the floor and wall with plain ceramic tiles of approved quality,colour and design joint free of size 305*305*6mm thick of approved make.quality and colour in all floors over a base layer of cement mortar 1:3(one cement three sand)20mm thick and laid straight alignment and pointing neatly with colour cement at the rate of 0.40kg/m2 laid without any air gap in the tiles neatly and fixing in position as per standard specification and as directed by the departmental officers.The colour &quality of tiles should be got approved by the Executive Engineer before use on Work.

dadooing quality the wall with First Quality White Glazed Tiles size of approved quality,colour and design joint free of size 300*200*6mm thick of approved make.quality and colour in all floors over a base layer of cement mortar 1:2(one cement two sand)10mm thick and laid straight alignment and pointing neatly with colour cement at the rate of 0.40kg/m2 laid without any air gap in the tiles neatly and fixing in position as per standard specification and as directed by the departmental officers.The colour &quality of tiles should be got approved by the Executive Engineer before use on Work.

Supplying and fixing in position White / Colour Glazed Model Floor Mounted European Water Closet of best quality and approved make with 100mm “P” or “S” trap connecting with CI pipe of 100mm dia / PVC pipe of 110mm dia, double flapped rigid PVC black seat and seat cover with CP brass hinges including cost of white cement, cement for packing, spun yarn, teak wood plugs, brass screws, etc., including supplying and fixing 10 litres capacity PVC / 12.5 litres capacity porcelin low level flushing tank with a pair of CI brackets, etc., complete with all fittings, such as, 15mm brass ball valve with polythene float with brass handle, union coupling connected by means of 40mm white PVC flush hand using indian adopter joint including all internal fittings, such as, 15mm bras connections, 15mm GM wheel valve, 15mm brass nipple (2 Nos.), 15mm nylon connection, TW plugs, screws and also giving necessary connection to the PVC pipe and painting the CI brackets with 2 coats of approved paint over one coat of red oxide primer, dismantling the masonry and re-doing the dismantled masonry to original condition, etc., complete complying with standard specifications. (The EWC and flushing tank with all accessories should be got approved by the Executive Engineer before use on works)

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors including cost of priming coat etc., complete complying with standard specification. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no sand to be used) to the proportion of brick jelly to lime being 32:12.5 by volume and laid over the RCC roof slab in a single layer of required slope and finished by beating the concrete with wooden beaters of approved pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the deparmental officers.

Finishing the top of roof with one course of machine pressed tiles of size 230mm x 230mm x 20mm of approved quality set in Cement Mortar 1:3 (One Cement and Three Sand) 12mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete complying with standard specification and as directed by the departmental officers

Supplying and fixing Galvalume Colour Sheet of size 0.47mm roofing sheet Alu-zinc is a aluminium-zinc coated steel sheet that can be used up to corrosive class C3.The coating alloy consists of 1,6% silica, 43,4% zinc,55% aluminium,The name AZ150 indicates the coat weight of 150 g/m2 per double side The surface has been treated with SPT (Surface Protection Treatment) to prevent stains during handling and to ease shaping. quality requested AZ150/550MPA. and 0.47mm Thickness using corrugated or traffold with arch are semi arch types and bolt, nut, screws, including charges Conveyance ,loading & unloading bending, cutting to the required size and shape etc., complete.

Dismantling the Concrete surface by using diplomatic machines complying with standard specification and as directed by the departmental officers.

Labour charges for cutting the rod and cleaning the debrise complying with standard specification and as directed by the departmental officers.

Providing and laying in position, Standardised Concrete Mix M-40 Grade in accordance with IS:456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 440 kg/mᶾ and maximum water cement ratio of 0.40, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5136 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of materials).( At the time of laying the concret Bay must be provided by using form work Bay size 9meter length and 3.6 meter breath)

Removal of damaged AC sheet with 6mm thick asbestos cement sheets of fully corrugated or traffod including the cost of all safety arrangements .complete complying with standard specification and as directed by the departmental officers.

Labour charges for after removing damaged AC sheet arrange the one place to another place complete complying with standard specification and as directed by the departmental officers.

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CGST

SGST