Pitched or flat covered with - Corrugated sheets of galvanized steel, aluminium, composite steel and asbestos, or asbestos/cement, or sheets of aluminium, copper or zinc, or metal sheeting covered on both inner and outer surface with bitumious or plastic material. Flat roofs covered with - Mastic asphalt at least 3/4 in. (18 mm) thick and fully supported, or two layers of asbestos based bitumen felt fully supported, or organic based bitumen felt fully supported on a base of non-combustible material not less than Â½ in. (13 mm) thick, or organic based roofing felt fully supported and covered with non-combustible material not less than Â½ in. (13 mm) thick or with bituminous macadam composed of fine gravel or stone chippings. TABLE 11 (Regulations 48 and 49) PART 1 - MIN. REQUIREMENTS FOR EMPLOYEE SANITARY FACILITIES No. of W.C.s Urinals Lavatory Showers No. of W.C.s Lavatory male basins Female basins employees employees 1 10 1 1 1 10 1 1 – – 11 30 1 1 2 11 30 2 2 – – 31 45 2 1 3 1 31 45 3 3 – – 46 60 2 2 4 1 46 60 4 4 – – 61 90 3 2 1 61 - 90 5 – 91 120 3 3 6 1 91 120 6 6 – – 121 - 150 4 3 7 2 121 - 150 7 7 151 180 4 4 8 2 151 180 8 8 – – 181 - 210 5 4 8 2 181 - 210 9 8 211 - 240 9 2 211 - 240 10 9 241 270 6 9 3 241 270 11 9 – – 271 - 300 6 6 10 3 271 - 300 12 10
Pitched or flat covered with - Corrugated sheets of galvanized steel, aluminium, composite steel and asbestos, or asbestos/cement, or sheets of aluminium, copper or zinc, or metal sheeting covered on both inner and outer surface with bitumious or plastic material. Flat roofs covered with - Mastic asphalt at least 3/4 in. (18 mm) thick and fully supported, or two layers of asbestos based bitumen felt fully supported, or organic based bitumen felt fully supported on a base of non-combustible material not less than Â½ in. (13 mm) thick, or organic based roofing felt fully supported and covered with non-combustible material not less than Â½ in. (13 mm) thick or with bituminous macadam composed of fine gravel or stone chippings. TABLE 11 (Regulations 48 and 49) PART 1 - MIN. REQUIREMENTS FOR EMPLOYEE SANITARY FACILITIES No. of male employees W.C.s Urinals Lavatory basins Showers No. of Female employees W.C.s Lavatory basins 1 – 10 11 – 30 31 – 45 46 – 60 61 – 90 91 – 120 121 - 150 151 – 180 181 - 210 211 - 240 241 – 270 271 - 300 1 1 2 2 3 3 4 4 5 6 6 1 1 2 2 3 3 4 4 6 1 2 3 4 6 7 8 8 9 9 10 1 1 1 1 2 2 2 2 3 3 1 – 10 11 – 30 31 – 45 46 – 60 61 - 90 91 – 120 121 - 150 151 – 180 181 - 210 211 - 240 241 – 270 271 - 300 1 2 3 4 6 7 8 9 10 11 12 1 2 3 4 5 6 7 8 8 9 9 10