The employer shall ensure on a construction site of a building or other construction work that -
(a) a mixture elevator is within a wooden or sheet metal enclosure with a window for observation, lubrication and maintenance ;
(b) bitumen scoops have adequate covers ;
(c) when asphalt plants are working on a public-road, adequate traffic control is established on such road and the building workers working with such plant are provided with reflecting jackets;
(d) a sufficient number of fire extinguishers are kept in readiness on such workplace where fire hazards may exist ;
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(e) the materials are loaded on the elevator after the drying drain has warmed up of such elevator;
(f) no open light is used for ascertaining the level of asphalt ;
(g) inspection opening is not opened till there is a pressure in the boiler which may cause injury to a building worker.