Details: maintenence work 15.2.2:demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in-charge.nominal concrete 1:4:8 leaner mix ( including equivalent design mix) 22.5:providing and laying water proofing treatment in sunken portion of wcs, bathroom etc., by applying cement slurry mixed with water proofing cement compound consisting of applying : a) first layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm. this layer will be allowed to air cure for 4 hours. b) second layer of slurry of cement @ 0.242 kg /sqm mixed with water proofing cement compound @ 0.126 kg/ sqm. this layer will be allowed to air cure for 4 hours followed with water curing for 48 hours. the rate includes preparation of surface, treatment and sealing of all joints, corners, junctions of pipes and masonry with polymer mixed slurry. 16.3.3:supplying and stacking at site.53 mm to 22.4 mm size
Sector: PWD