tender for civil work - special repairs to doors, windows and other repair works in class room building of r.m. jain govt. girls hr. sec. school at thiruvallur. ; 1 dismantling, clearing away and carefully stacking materials useful for re-usefor any thickness of pressed tiles & weathering course. 2 dismantling, clearing away and carefully stacking materials useful for re-usefor any thickness of floor finish and dadooing walls in cement mortar with mosaic tiles / glazed tiles / cuddapah slabs. 3 relaying the cement concrete 1:5:10 (one cement, five sand and ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundationincluding dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and curing etc. complete complying with standard specification. 4 renewing the damaged floor with best approved quality fine polished kota stone slabs of size 600 x 600 of 18 / 20mm with machine cut edges and matching marble slab not less than 100mm width other than adanga marbles as border laid over a cement mortar bed of 20mm thick using cement mortar 1:3 (one cement and three sand) 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., the kota stone slabs and other materials to be used shall be got approved by the executive engineer concerned before use on work, etc., complete as per standard speicification. 5 relaying the 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. 6 renewing the damaged 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. 7 repointing the damaged 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. 8 repainting two coats of old plastered wall surface with ready mixed plastic interior emulsion paint of first class quality and of approved colour without primer including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification. 9 repainting two coats of old plastered wall surface with ready mixed plastic exterior emulsion paint of first class quality and of approved colour without primer including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification. 10 repainting old iron works such as steel doors, windows, ventilators, window bars, balustrades etc. with two coats of best approved first quality and colour in all floors etc., including cost of scrapping charges complete complying with standard specification. (the make, quality and colour of paint should be got approved by the executive engineer before use on works). 11 renewing and refixing in position best approved of bis quality pvc rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of necessry pvc shoe, pvc bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the rcc roof slab including finishing neatly etc., complete. the rate shall be inclusive of cast of removable cast iron grating. the pvc pipe shall be fixed in wall with special type of u clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification. 12 110mm dia pvc pipe 13 sub total amount for above all items (excluding gst) 14 gst 18% for above subtotal amount