Technical Bulletins

Technical Bulletins provide guidance on the certification of certain types of structure.

Please note that:

Technical Bulletin 1 'Certification of Contractor Designed Details' has been withdrawn and replaced with information in Guidance Note 12 'Building Risk Group Matrix' and in Certification Performance Criteria Guidance B1.4
Technical Bulletin 2 'Guidelines for Checking the Structural Design of Buildings' has been withdrawn and replaced by Guidance Note 11 with the same title