Structural use of timber. Recommendations for the calculation basis for span tables - Domestic raftersBS 5268 7. 5: 1990 recommends a calculation basis for the permissible clear span for rafters for roofs with a slope from15 to 45. The recommendations apply to rafters at a maximum spacing of 610 mm centre to centre, this being the maximum spacing for which the load sharing assumption may be adopted as described in BS 5268 2. The method of calculation makes no allowance for any contribution of other parts of the roof to the load resistance of the

Why should you use ISO 14644-3 - Cleanroom testing

the usage of premises and fire protection measures

BS EN ISO 22313 Security and resilience

Inlet line

users will find guidance on selection of the correct biological indicator for their particular sterilization process and critical parameters as well as guidance on its appropriate use

and intended to be connected to public low-voltage distribution systems

BS EN 10025‑2 and part 1 are used together

BS EN ISO 12706:2009 is an international standard which defines technical terms relating to penetrant testing

It gives guidelines for the construction and related testing of drains and sewers that are buried in the ground and/or operating under pressure

ISO 3127 guidelines help you to run the test for evaluating the resistance of thermoplastics pipes to determine their longevity so that end customers get a superior quality product

The systems covered in BS 5839-6 range from those comprising a single self-contained smoke alarm to systems of the type described in BS 5839-1

Annex A specifies sequential sampling plans and procedures indexed in terms of the acceptable quality level (AQL) to supplement the system of sampling plans in ISO 3951