(b)Plans in triplicate drawn to scale showing :(i)the site of the factory and immediate surroundings including adjacent buildings and other structures, roads, drains, etc.(ii)the plan, elevation and necessary cross-sections of the various buildings, indicating all relevant details relating to natural lighting, ventilation and means of escape in case of fire.(iii)The plans of layout machinery clearly indicating the position of the plant and machinery, aisles and passageways. These shall be a minimum clearance of 50cm. between machines and fixed structures.