The employer ensures temporary storage structures carry their loads, that materials or equipment never exceed the safe loading of any structure, that building material is not stored within 1,800 mm of floor or roof openings and the other edges section 43.3 lists, that piles do not interfere with light, machines, passageways, exits, fire protection or the other matters in section 43.4, that masonry units are stacked on level bases in tiers and stepped back as prescribed, that reinforcing steel and pipe are racked against sideways movement, that other materials are stored in an orderly and safe way, and that mechanical appliances are used for lifting and carrying where practicable with the other handling rules of section 43.8. Tanks for non-flammable hazardous liquids are labelled with contents and hazard, protected from low temperature, kept away from above passageways, installed in concrete or masonry pits with walking space and ventilation where below ground, fitted with control valves operable and lockable from outside the pit, set on resistant foundations with overflow to a safe place, and corrosive or caustic tanks vented with a permanently open 50 mm pipe and drained from the lowest point with top filling and a raised discharge; flammable liquid drum storerooms are fire resistant with sloping waterproof floors and drains and drums on platforms or racks; acid drums are stored cool, bung up and pressure-relieved; empty drums are stored plugged, cleaned before reuse and steamed before crushing; carboys are protected, handled with special trucks and emptying equipment, stored apart when empty and inspected before filling; and emergency deluge showers and eyewash fountains are provided where caustics or acids may spill.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.