Details: grading roof for water proofing treatment withcement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size) painting top of roofs with bitumen of approved quality @ 17kg per 10 sqm impregnated with a coat of coarse sand at 60 cudm per 10 sqm, including cleaning the slab surface with brushes and finally with a piece of cloth lightly soaked in kerosene oil complete :with residual type petroleum bitumen of grade vg -10 providing wood work in frames of doors,windows, clerestory windows and other frames,wrought framed and fixed in position with hold fast lugs or with dash fasteners of required dia & length (hold fast lugs or dash fastener shall be paid for separately).sal wood providing and fixing panelled or panelled and glazed shutters for doors, windows and clerestory windows, including isi marked m.s. pressed hinges bright finished of required size with necessary screws, excluding panelling which will be paid for separately,all complete as per direction
Sector: Mining