tender for civil work - special repairs to weathering course, repainting and other works in gghss at r.k.pet in thiruvallur district.; 1 renewing the damaged m.s.grill of approved design for grill gate, grill work to doors and windows openings ramp etc., using necessary mild steel flats for inner and outer members which should be fixed on edges including priming coat of best approved quality red oxide primer etc., complete complying with standard specification. 2 renewing the damaged steel windows with the following specifications.outer frames of windows made of z section f7d of size 33 x 25 x 3mm at 1.419 kg/m and mullion j section (f4b) of size 46x25 x 3mm at 2.28 kg/m and shutter section of made of f7d of 33 x 25 x 3mm at 1.419 kg/m as specified in is 7452/1990. each openable shutter should not exceed a width of 600mm to enable separate operations and easy maintenance. the panel of the shutters to be covered with 18 gauge cold rolled sheet of superior quality and welded intact with shutter frames. horizontal stiffeners using 18x5mm ms flat at 0.70 kg/m at 3 nos.for each shutter and additional diagonal stiffeners of the same ms flats at all the four corners of each shutters to the suitable length welded to the shutters, for holding the cr sheets in position firmly.4 numbers of sturdy hinges and two number of handle-cum-latch of special type made with 18x5mm ms flats are revetted to the shutters at an appropriate height in window.suitable opening is left for its easy operation. a stopper square rod for handle is provided in the mullion section at suitable place to catch the window handle.each window shutter having an adjustable stay made out of 18x5mm at 0.70 kg/m ms flat of length 320mm with three adjustable position.a matching peg is provided in the outer frame of the window at suitable place.4 nos. of hold fasts of 120mm length spliced at the nds are welded to the out frame of the window by using ms flat of 18x5 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 interval not exceeding 100mm edge to edge between them.all members are painted with one cat of anti-corrosive red oxide primer as directed by the departmental officers.all sections should be in confirmed with is7452/1990. the cost includes cost of all materials, labour charges and other incidental charges, etc., complete. 3 three leaves 4 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. (the make, quality and colour of paint should be got approved by the executive engineer before use on works.) 5 repainting the water proofing coating for terraces with ready mixed water proofing paint two coats over one coat of crack paste over one coat cement paint including through scrapping clean removal of dirt, etc., complying with standard specifications and as directed by the departmental officers. (the colour and shade of the ready mixed water proofing paint shall be got approved by the executive engineer before use of work) 6 relaying the granolithic floor finish of the following thickness with plain cement concrete 1:2:4 (one cement, two sand and four aggregate) using 10 to 12mm gauge hard broken stone jelly including laying, finishing and the top rubbed smooth with power trawl, thread lining, curing etc. complete complying with standard specification and as directed by the departmental officers. (the rate is inclusive of necessary planking for panellingwherever necessary and as directed by the departmental officers).40mm thick