Construction Safety Question:

☛ 1. Wooden board not be painted
☛ 2. Wooden board should not to any cracks
☛ 3. Check for rust in pipes / clamps
☛ 4. Clamps should fixed and good quality
☛ 5. Boards thickness should be 3.4 cms and no bending
☛ 6. The construction must be rigid, properly based
☛ 7. Use of good and sound materials
☛ 8. The wooden bellies has not joints
☛ 9. Vertical poles should not be more than 6 feet
☛ 10. Chains, ropes used for the suspension of scaffoldings
☛ 11. Never throw any materials from height
☛ 12. Use safety harness while working at above 6 feet
☛ 13. Properly ties to be arrangement