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The 2022 edition of the General Specification for Building was reviewed by the Technical Information Committee of the Architectural Services Department (ArchSD). Major amendments and additions in this 2022 edition include the following aspects:
1. Adopted a new numbering system for the whole General Specification
2. Added a new Section 27 on Modular Integrated Construction (MiC)
3. Enhanced the supervisory checks on materials submissions
4. Tightened the thermal performance on building envelopes and energy efficiency requirements under climate change concerns
5. Incorporated more mandatory requirements in green specifications based on the Environment Bureau Circular Memorandum no. 1/2021
6. Reviewed the technical requirements of various Sections
7. Updated international standards and statutory requirements
8. Deleted Index 3 and 4 (Index 1 and 2 had been deleted in 2012 edition and 2017 edition incorporating Corrigendum No. GS 2017-02 respectively)
Updating of specification is a continuous process. The electronic version of this 2022 edition of the General Specification for Building will be kept up-to-date and may be viewed on the ArchSD Homepage.