Details: schedule ‘a’ part - i (repair of existing bldg) demolising cement concrete manually/ by mechanical means including disposal of materials within 50 meters lead as per direction of engineer - in- charge nominal concrete1:3:6 or richer mix (i/c equivalent design mix) providing and laying water proofing treatment to vertical and horizontal surfaces of depressed portions of w.c., kitchen and the like consisting of:(i) ist course of applying cement slurry @ 4.4 kg/sqm mixed with water proofing compound conforming to is 2645 in recommended proportions including rounding off junction ofvertical and horizontal surface.(ii) iind course of 20 mm cement plaster 1:3 (1 cement : 3 coarse sand) mixed with water proofing compound in recommended proportion including rounding off junction of vertical andhorizontal surface.(iii) iiird course of applying blown or residual bitumen applied hot at 1.7 kg. per sqm of area.(iv) ivth course of 400 micron thick pvc sheet. (overlaps at joints of pvc sheet should
Sector: Police and Internal Security