This document outlines specific safety precautions that contractors and regular visitors must follow when working on site. It states that contractors must provide first aid facilities and a qualified attendant if they have more than 20 workers. It also requires that lifting gear, scaffolding, electrical appliances, hazardous substance storage, and other equipment comply with regulations. Approval must be obtained before excavation and working areas should be fenced off with warnings. Safety checks must occur daily and fire precautions, welding screens, grinding guards, breathing equipment, and confined space permits are all mandated. Operators must have valid licenses for licensed equipment.