Details: 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 and thickness as directed by the departmental officers etc., complete.-10 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 cement add three 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 add gst 18%
Sector: Municipality