****IS 3696-1 1987: Safety code of scaffolds and ladders****
Part 1: Scaffolds
This Indian Standard was first published in 1966.
Second Reprint October 1996
This Indian Standard Part 1 First Revision was Adopted by the Bureau of Indian Standards on 18 May 1987, After the draft was finalized by the Safety in Construction Sectional Committee
Had been approved by the Civil Engineering Division Council.
1. SCOPE
This standard (Part 1) lays down the safety requirements for the Erection, use and dismantling of scaffolds for providing access and for supporting workmen, equipment and materials for any construction Work including maintenance, repairs and demolition.
The requirements of the various components of the scaffold, the care in their use and storage are also covered.
2. TERMINOLOGY
Scaffold - A temporary structure consisting of standards, putlogs,Ledgers, generally of bamboo, ballies, timber or metal to provide a working
Platforms for workmen and materials in the course of construction,Maintenance, repairs and demolition, and also to support or allow hoisting
And lowering of workmen, their tools and materials.
3. MATERIAL
Timber -IS: 3629
Metal scaffold - IS: 2750
4. TIMBER BALLIES OR BAMBOO SCAFFOLDS
Single Pole Scaffold - Single pole scaffold is a structure consisting of putlogs or bearers, the cut or ends of which are supported on standards or ledgers secured to a single row of standard and the inner ends resting on a wall. This is also known as a putlog scaffold
Double Pole Scaffold - Double pole scaffold shall mean a scaffold Supported by two rows of standards connected together longitudinally by ledgers and transversally by transoms or bearers and suitably braced
These are recommended to be used for heights up to 18 m.
Light Duty Scaffold Timber -swl-150kg /m2
Heavy Duty Scaffold -swl-300kg/m2
*Bracing
Longitudinal bracing
Distance between braced bays - The maximum distance between braced bays in any lift of scaffold shall not exceed 10 m
Transverse bracing -
Braces shall also be provided at each end of the scaffold and if the length of the scaffold exceeds 15 metres, it shall Be provided in addition at ‘intervals not exceeding 15 metres
*Ties
VERTICAL SPACING 4.0 MTR
HORIZONTAL SPACING OF THE TIES
*Fibre Ropes
Inspection of rope- 30 days
*Knots and Hitches,
Thumb or Overhand Knot
Figure 8 Knot
Reef Knot
C love Hitch Knot
Suspended scaffolds shall be tested as frequently as may be Necessary to ensure that minimum safety factors are maintained. The test will be made by raising the working surface 300 mm above the ground and loading it with at least three times the maximum weight that
will be imposed upon it. Testing shall be done by a competent person at least once a fortnight and record of such tests shall be maintained.
5. RAILINGS AND TOE BOARDS
6. MEANS OF ACCESS
a) Ladder
b) Ramp
c) Stairway.
7. PROTECTION FROM FALLING BODIES
8. PLATFORM WIDTH
Where the platform is not more than 2 m above the ground or floor:
a) Painters, decorators to similar workmen 300 mm
b) Other types of men and tools only 500 mm
Where the platform is more than 2’0 m above the ground or floor:
a) Men, tools and material 900 mm
b) Men, tools, material and wheel barrows 12OO mm
9. GENERAL SAFETY REQUIREMENTS
1O. PRECAUTIONS AGAINST PARTICULAR HAZARDS
Electrical Hazards
Fire Hazards
Mechanical and Traffic Hazards
#scaffold #indian #standard
INDIAN SCAFFOLD STANDARD
IS 3696 SAFETY CODE OF SCAFFOLD & LADDER
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