LS : What is Scaffolding & Safe Usage ?

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Topic : Scaffold Safety  

Scaffolding   

Scaffoldong is a temporary working platform to provide supports both men and materials for place. It is used in maintenance, construction and demolition work etc.

 Types of scaffoldings:-

• Permanent scaffolding
• Hanging scatfolding
• Suspended scaffolding
• Mobil scalfolding.
• Guard ralls
• Mid rall
• Qut riggers
• Ladders

Potential hazards of scaffolding:-

• Collapse of Scaffolding.
• Falling from height.
• Falling object.
• Slip & Trip hazards.
• Pinch point hazards / Sharp edges
• Opening without guardrail.
• Scaliold erection during storm or high winds, raining and poor visibility.
• Blocking emergency access and walkways

Precaution during scaffolding erection:- 

• Scaffolding erection, dismantiing should be done under the supervision ol a COMPETENT PERSON (Scaflolding Supervisor).
• Red Tag means Danger “do not use” and Green Tag means “scaffold complete- ready for use” when completed,
• Gap between boards/planks should be 1 inch (25mm).
• Top guardrail, midrail and toe board should be provided.
• Guard ralls and Toa boards shall be fitted to the inside of standards.
• Guard rall should have a height between 915 mm (0.9 mor 90 cm or 3' feet) lo1143 mm (1.15mor 3 8°)
• Toe board should be 6” (15 em) high and secured with toe board clips.
• If scaffold to be erected on soft ground should be used sole plate.
• Worker shall be not work on scaffolds during storms or high winds or poor visibility,
• Sole plate shall extend under at leas! two standards.
• Base plates with screw jacks should be proper scafiold leveling adjustment,
• All standard shall be vertical.
• Ledgers shall be securely fixed to standards couplers.
• Scalfolds should be properly braced by cross bracing or diagonal braces or both for securing venical members together.
• Access ladder must be provided far any platform & clamped with scaffold structure.
• Ladder should be 4:1 ratio and angle 75°,
• Ladder should be rise 1 meter (42 inch) above Irom the landing place/platform,
• Scaffold should be not obstruct access to/from any fire fighting equipment / emergency equipmenl, operating area equipment, instrument and conlrol panels, ladders, stairways elc.
• Scaffold platform opening should be secured with guardrail and sign board,
• All scaffolding couplers should be tightened.

 Major causes of scaffolding failure:- 

• Slipping of unsecured ladder.
• Use of unsuitable scaffold or faully materials.
• Inadequate or irregular platform width,
• Omission of guard rails or toe boards.
• Failure to proper secure the scaffold 10 the building or 10 brace it adequately.
• Overoading on the scaffold platforms,