Upgradation of Kundrathur Depot with the required infrastructure for transferring the Diesel Buses Operation.

Earth work open excavation by manual means in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and leveling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation and basement with M sand/ Filling sand in layers of not more than 15cm thick well watered, rammed and consolidated etc., complete as per standard specification.

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers.

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener , side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specification. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor Slab, Roof Slab,

FOUNDATION

GROUND FLOOR

FIRST FLOOR

foundation and Basement

ground floor up to 4.50 m height

Basement

ground floor up to 4.50 m height

first floor up to 4.50 m height

Supply and filling in foundation and basement with Gravel in layers of not more than 15cm.thick well rammed watered and compacted with surface vibrator, watered and consolidated etc. complete complying with standard specification and as directed by the departmental officer.

Paving the floor with best quality Vitrified Tiles Double Charged (Matt & Glossy) Tiles of following size 600mm x 1200mm x 8.5mm and variety conforming IS 15622 with water absorption less than 0.08% of approved colour and shade laid over cement mortar bed of 20mm thick in cement mortar 1:3 (one cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer in all floors and the top pointed with Water Resistant Tile Epoxy Grout etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by departmental officer before use on works)

Loft, Landing Slabs, etc with necessary supports and strutting up to 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick) , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental officers. (Payment for centering shall be given after the concrete is laid).

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used , hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers.

Manufacturing, supplying and fixing in position of RCC Jally of 5cm thick in cement concrete 1:2:4 using 20mm machine crushed stone jelly (excluding cost of reinforcement steel) including cost of mould, finishing, curing, lifting, fixing in position etc., complete complying with standard specification and as directed by the departmental officers.

Flooring with ceramic tiles of following size and variety conforming to IS 15622 laid over cement mortar bed of 20 mm thick in cement mortar 1:3 (One Cement and Three crushed stone Sand) with required Cement Slurry and Mortar Plasticizer including cutting the tiles to the required size of 305 x 305 x 6mm with special cutter wherever necessary, laying in position and pointing with Water Resistant Tile Epoxy Grout at the rate of 0.27 Kg. / sq.m. etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by departmental officer before use on works)

Dadooing walls with following best approved quality, white / colour glazed tiles conforming to IS 15622 of following sizes in Cement Mortar 1:2 (One Cement and Two crushed stone sand),10 thick with Mortar Plasticizer and pointing the joints with Water Resistant Tile Epoxy Grout at the rate of 0.27 Kg. / sq.m. neatly in all floors, curing, etc., complete complying with standard specification and as directed by the departmental officers.(The make and brand of the tiles should be got approved by departmental officer 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 crushed stone 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 departmental officers.

Finishing the top of roof with one course of machine pressed tiles of following size of approved quality set in Cement Mortar 1:3 (One Cement and Three Crushed stone 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

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC,carriage of mixed Material to worksite, spreading in uniform layers with motor grade ronprepared surface and compacting with vibratory power roller.

Painting new iron works such as steel doors, windows, ventilators, window bars,shed,truss,cantilever, sections, angles, 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 excluding cost of priming coat etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the departmental officer before use on works.)

Supplying and fixing UPVC (Un-Plasticized Polyvinyl Chloride) Windows of casement type The window should be fixed to the wall with 100% packing with screws and silicon packing all round the frames. The window should be got approved from the departmental officer before use on work.

Supplying and fixing solid core flush shutter of following type with thickness with necessary T.W. internal lipping alround conforming to IS 2202-1(1999) including cost of wind appliances and furniture fittings such as 6 Nos of SS 304 Grade Parliament Hinges of Size (125mm x 150mm) , 3 Nos. 300x12mm aluminium tower bolt 1 No. 200x12mm aluminium tower bolts 1no. 250x16mm aluminium aldrops, 3 nos. 200mm ‘D’ type aluminium door handle and door stopper with bush etc., complete complying with standard specification and as directed by the departmental officers

Painting the wall two coats with approved weather proof Exterior Emulsion paint over one primer coat on cement plastered wall surface etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing in position Indian Water Closet (Oriya type) of size 580 x 440mm white glazed earthen ware of approved quality and brand with "P" or "S" trap conforming to BIS with crushed stone sand cushion and forming flooring all-round the closet using 40mm broken brick jelly in lime concrete 1:2:5 (One lime, Two crushed stone sand and Five brick jelly) 100mm thick and finishing the top to the required slope and including giving necessary connection to CI soil pipes (including the cost of 100mm dia CI pipe for a length of 600mm) by dismantling brick masonry wall / reinforced cement concrete roof / floor slab and making good the dismantled portion to the original condition with leakages etc., complete complying with standard specifications and as directed by the departmental officers. (The water closet should be got approved by the departmental officer before use on works).

Painting Old Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over the existing wall in all floors etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the departmental officer before use on works.)

Fabricating Supplying and fixing in position of Aluminium anodised natural colour matt finish of single leaf door with half panelled with 12mm thick both side laminated particle board at bottom and half glazed using 5.50mm thick Plain glass at top.The outer frame shall be with aluminium box section 101.60x44.45x3.18m at 2.319kg/m and Shutter frame made of section Vertical & Top rail: 50x44.45x2.50mm @ 1.292 kg/m ,Bottom rail: 100 x44.45 x 2.50mm@ 1.974 kg/m, Lock rail : 50x44.45x2.5mm @ 1.292 kg/m, Alu Clips: 17.15x17.27x1.50mm @ 0.176 kg/m,Alu. Handle: 100x30mm @ 0.988 Kg/m and necessary accessories such as aluminium clips, rubber beading, PVC felt, handle for a length of shutter (both sides), locking arrangements, furniture fittings such as aluminium tower bolts-250x12mm - Each., aluminium tower bolt 200x12mm - 1No., aluminium Hydraulic door closer - 1No ., lock-1No., Door stopper with rubber bush including cost of materials labour charges and power consumption charges required for fabrication including chipping, dismantling and making hole to the required extent in RCC column, beams, masonry with power drill wherever necessary and redoing the damaged portion to the original condition after fixing etc., complete complying with standard specification and as directed by the departmental officers. All the Alu. Section are to be anodised with matt finish under electrically controlled conditions in accordance with IS 1868/1962 for an average anatic film thickness of 15 microns etc., complete.Aluminium sections,and furniture fittings shall be got approved by the departmental officer in charge.

Providing and laying in position, Standardised Concrete Mix M-40 Grade by insitu machine mix concrete adopting weighing batch method 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/m3 and maximum water cement ratio of 0.40, including admixture (plasticiser / superplasticiser) 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 crushed stone 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).

Supplying and fixing the Bitumen felt pad 12 mm thick pad etc., complete complying with standard specification and as directed by the departmental officers.

Basic total