Assam Rifles Tender

SCHEDULE 'A' PART-I (ROOF TREATMENT WKS) Demolishing cement concrete manually/ by mechanical means incl disposal of material within 50 mtrs lead as per direction of Engr-in-charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Grading roof for water proofing treatment with Cement concrete 1:2:4 (1cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal

Providing and laying water proofing treatment on roofs of slabs by applying cement slurry mixed with water proofing cement compound consisting of applying:- (a) After surface preparation, first layer of slurry of cement @ 0.488 Kg/sqm mixed with water proofing cement compound @ 0.253 Kg/sqm (b) Laying second layer of fiber glass cloth when the frist layer is still green. Over laps of joint of fiber cloth should not be less than 10 cm. (c) Third layer of 1.5 mm thickness consisting of slurry of cement @ 1.289 kg/sqm mixed with water proofing cement compound @ 0.670 kg/sqm and coarse sand @1.289 kg/sqm. This will be allowed to air cure for 4 hours followed by water curing for 48 hours. The entire treatment will be taken up to 30 cm on parapet wall and tucked into groove in parapet all around. (d) Fourth and final layer of brick tilling with cement mortar which will be paid for separately.