Tender For Special Repairs To Flooring And Windows In Classsroom And Lab Building In Government Higher Secondary School At Singadivakkam In Kancheepuram District, Kanchipuram-Tamil Nadu
TDR : 54326986
Tender Notice
BOQ
Expired
Kanchipuram
Tamil Nadu
Tender For Special Repairs To Flooring And Windows In Classsroom And Lab Building In Government Higher Secondary School At Singadivakkam In Kancheepuram District
Name of Work:- Special Repairs to Flooring and Windows in Classsroom and Lab Building in Government Higher Secondary School at Singadivakkam in Kancheepuram District
Sl. No.
Item Description
1
Dismantling and clearing away Floor finish in cement mortar with Tiles as directed by the departmental officers
2
Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, 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 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).
3
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)
4
Paving the floor with best approved quality fine polished Kota stone slabs below 600 x 600 of 20mm thickness with machine cut edges laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (One cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer fixing the slabs in true right angles with minimum possible width of joints and pointing the joints with white cement mixed with mathcing colouring pigments and polishing with floor polisher to a high degree of finish etc., complete complying with standard speicification and as directed by the departmental officers.(The kota stone slabs and other materials to be used shall be got approved by the Executive Engineer concerned before use on work)
5
Manufacturing, supplying and fixing in position of MS steel windows (Three Leaves)with 4mm FRP transparent sheets instead of glass panes with the following specifications. Outer frames of windows made of 'Z' section F7D of size 33 x 25 x 3 mm at 1.419 Kg/m and mullion ' O ' section (F4B) of size 46 x 25 x 3 mm at 2.28 Kg/m and shutter section made of F7D of 33 x 25 x 3 mm at 1.419 Kg/m as specified in IS 7452/1990. Each openeble shutter should not exceed a width of 600 mm to enable separate operations and easy maintenance. The panel of the shutter to be covered with 18 Gauge cold rolled sheet of superior quality and welded intact with shutter frames. horizontal stiffeners using 18 x 5 mm MS Flat at all four corners of each shutters to the suitable length welded to the shutters for holding the CR sheets in position firmly. Two numbers of Steel Offset Pivot hinges of size 3\\" and one number of handle-cum-latch of special type made with 18 x 5mm MS Flats are rivetted to the shutters at an appropriate height in window. Suitable opening in left for its easy operation. A stopper square rod for handle is provided in the mullionsection at suitable place to catch the window handle. Each window shutter having an adjustable position. a matching peg is provided in the outer frame of the window at suitable place Four nos of holdfast of 200mm length spliced at the the ends are welded to the outer frame of the window by using MS Flat of 18 x 5 mm at 0.70 Kg/m, welded to the shutter at two place equivalent from each other from top and bottom of the shutter. An MS square bar of 12mm size is welded to the inner face of the window at an equal intervaal not exceeding 100mm edge to edge between them. All members are painted with one coat of anti corrossive red oxide primer as directed by the department officers. All sections should be in confirmed with IS 7452/1990. The cost includes cost of all materials, labour charges and other incidental charges, etc., complete complying with standard specification and as directed by the departmental officers.
6
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 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 Executive Engineer before use on works.)
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SUB TOTAL
8
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