tender for renovation of fire station roof in naravarikuppam town panchayat.; 1 dismantelling the existing damages weathering coarse and dummy column including the cost and conveyanve as per the specification 2 weathering course with concrete broken brick (s.i.no.278) & ( p & d) data 54.jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab,the proportion of brick jelly to lime being 32 to 12.5 well beated with wooden beaters for giving required slope and thickness as directed by the departmental officers etc., complete.-10 cum 3 finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in cement mortar 1:3 (one part of cement and three part of plastering sand (p- sand)), 12 mm 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 4 supplying and erecting centering for vertical plain/ rcc concrete walls of supply channel, retaining wall etc upto 90cm height with necessary supports,all cross bracing with mild steel size of 90cm x60 cm and gauge bg 10 stiffened with welded mild steel sheet angles of size 25 mm x25 mm x3mm for bearing laid silver oak/ country wood joist of size 7.50 cm x5.0 cm spaced @ about 90 cm c/c and supported by casurina props of 10 cm to 13 cm spaced @ 75 cm c/c etc,, complete complaying withstandered specfications and as directed by the departmental officers. - plinth beam 5 plain cement concrete 1:2:4 (one cement two sand four aggregates) mix using 20mm gauge hard granite broken stone jelly for bed blocks including cost and conveyance of materials to site and all labour charges etc complete with standard specification. 6 painting two coats for exterior surface with approved exterior plastic emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.