Wooden board not be painted
Wooden board should not to any cracks
Check for rust in pipes / clamps
Clamps should fixed and good quality
Boards thickness should be 3.4 cms and no bending
The construction must be rigid, properly based
Use of good and sound materials
The wooden bellies has not joints
Vertical poles should not be more than 6 feet
Chains, ropes used for the suspension of scaffoldings
Never throw any materials from height
Use safety harness while working at above 6 feet
Properly ties to be arrangement   _{Your Comment}