Scaffold Safety :- Scaffolds and Working Platforms

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Chapter : Scaffold Safety

 

SCAFFOLDS AND WORKING PLATFORMS

 
I. SCAFFOLDS

Scaffolds should be erected as per required standard.


 INSTRUCTIONS FOR SCAFFOLDS

1. Scaffolding should be strong, sturdy and sway free.
2. Scaffolds should preferably be of metal tubes with bolted joints or made of wooden (casurina) poles and tied with wet coir. Bamboos shall not be used for scaffolding.
3. Erection of scaffolding should be from lift pit bottom to the bottom of machine room.
4. Wooden poles used shall be of sound material and free from any defects like cracks, termites etc.,
5. The diameter of vertical casurina poles should be 4” (100 mm) and that of horizontal 3” (75 mm) minimum.
6. The horizontal members must be tied at a vertical spacing of 750 mm. (2 ½feet)
7. For rigid scaffolding, horizontals should be stuck against side walls.
8. The coir ropes used for tying wooden poles should not be worn. The coir ropes should be wetted periodically.

DAILY CHECKS

1. Check the tying of scaffolds before entering the scaffold.
2. Check whether Scaffold shakes before entering the scaffold.
3. Check whether the wooden poles are firmly rested and are not shaking before stepping on them.

II. WORKING PLATFORMS
 
SPECIFICATION

1. The working platform should be more than 650 mm wide.
2. For 1 m support span, Board thickness should be more than 32 mm.
3. For 1.5 m support span, Board thickness should be more than 38 mm.
4. 50 mm thickness board can be used for support span of 2.6 m.

DAILY CHECKS

1. Check whether wooden planks are as per standard Specification.
2. Check whether wooden planks are free from cracks and any other defects.
3. Check whether wooden planks are tied firmly to wooden poles before stepping on it.