DO

• Gather up and remove debris to keep the work site orderly.
• Plan for the adequate disposal of scrap, waste and surplus materials.
• Keep the work area and all equipment tidy. Designate areas for waste materials and provide containers.
• Keep stairways, passageways and gangways free of material, supplies and obstructions.
• Secure loose or light material that is stored on roofs or on open floors.
• Remove or bend over nails protruding from lumber.

DO NOT

• Do not permit rubbish to fall freely from any level of the project. Use chutes or other approved devices to materials.
• Do not throw tools or other materials.
• Do not raise or lower any tool or equipment by its own cable or supply hose.

Flammable/Explosive Materials

• Store flammable or explosive materials such as gasoline, oil and cleaning agents apart from other materials.
• Keep flammable and explosive materials in proper containers with contents clearly marked.
• Store full barrels in an upright position.
• Keep gasoline and oil barrels on a barrel rack.
• Store empty barrels separately.
• Post signs prohibiting smoking, open flames and other ignition sources in areas where flammable and explosive materials are stored.
• Store and chain all compressed gas cylinders in an upright position.
• Mark empty cylinders with the letters "mt," and store them separately from full or partially full cylinders.
• Ventilate all storage areas properly.
• Ensure that all electric fixtures and switches are explosion-proof where flammable materials are stored.
• Use grounding straps equipped with clamps on containers to prevent static electricity buildup.