17891 as varied by no.
Sa building regulations roofing.
The national building regulations and building standards act.
The removal or alteration to any roof elements could affect how the roof works and cause movement to occur.
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When the south african national building regulations were updated by the department of trade and industry in may 2008 the general requirement relating to roofs was changed to incorporate certain safety elements.
Design planning and supervision of all construction work must follow a legal process.
There must be a slope of 1 80.
Regulations under the building act 1971 building regulations 1991 being no.
A qualified roofing contractor will be able to advise on this but here are some of the main guidelines.
28955 1 came into operation 17 june 1991.
The materials used to cover the roof should be durable and capable of resisting the elements of the weather.
Each section of sans 10400 the code of practice for the application of the national building regulations nbr is presented with the relevant extract from the building regulations which is law and is then followed by a general commentary explaining how the law should be interpreted to satisfy the law.
19 december 1991 p.
4 june 1992 p.
17 june 1993 p.
This is the original legislation published in 1977 that governs all building and construction work in south africa.
Various updates have been made since this time and these are also available for download.
9 december 1993 p.
Movement could cause cracks to occur in the walls and possibly the eventual collapse of the roof.
6 june 1991 p.
If the existing roof covering is to be replaced with a different material to its original for example slate to tiles then approval under the building regulations is likely to be needed to ensure the roof will be adequate in terms of structural stability applicable where the replacement tile will be significantly heavier or lighter than the.
2 came into operation 2 january 1992.
Guide for architects concerning drainage water and storm water drainage.
To enable compliance with the requirements of the building regulations to be demonstrated full details of the new roof will be needed including materials and their dimensions and performance properties.
Home documents notices.
When performing work on any roof care should be taken to ensure the roof will continue to perform effectively and without any movement.
