Details: removing/dismantling existing waterproofing layer of geotextile cloth by heat torch method or by scrapping layer including stacking the spoils as directed with all leads, lifts etc, complete. providing 100 mm thick screeding layer of cement sand mortar confirming to is:4031(part-4) 1988 and is 383-1970 in a single coat using cement sand mortar of proportion 1:4 containing special type of polymer additives about 0.4%, to terrace surfaces wherever required, providing proper of 1:200 wherever as necessary, including scaffolding and curing complete. providing and fixing p.v.c. rain water pipes of 160mm outer diameter and having wall thickness of 2.2 to 2.7 mm confirmting to i.s. 13592-1992 including proper rainwater receiving recess with p.v.c. plug, bend, necessary fittings, such as, offsets, shoes, inluding fixing the pipe on wall using approved wooden cleats projecting 25mm to 40mm from face of wall a fixing with clips of approved quality and no ,filing the
Sector: University