Description: Roof Tarfelting of 3 unit Company type 1 unit NHS type Qtr under CV Area Name of Work Roof Tarfelting of 3 unit Company type 1 unit NHS type Qtr under C V Area
Details: Item Description/ Heading Dismentaling old tarfelt Grading roof for water proofing treatment with Cement mortar 1:4 (1cement : 4 coarse sand) Providing and laying four courses water proofing treatment with bitumen felt over roofs consisting of first and third courses of blown bitumen 85/25 or 90/15 conforming to IS : 702 applied hot @ 1.45 Kg per square metre of area for each course, second course of roofing felt type 3 grade-I (hessian based self finished bitumen felt) and fourth and final course of stone grit 6 mm and down size or pea sized gravel spread at 6 cubic decimeter per square metre, including preparation of surface but excluding grading complete with :Bitumen felt (hessian base) type 3 grade I conforming to IS : 1322 Total impact of GST for the purpose of CTC
Sector: Mining