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Singapore legislation

Regulation 9

of Building Control Regulations 2003

Regulation 9

Particulars to be shown on detailed structural plans and design calculations

Amended byS 54/2008 wef 15/02/2008S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 54/2008 wef 15/02/2008S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 54/2008 wef 15/02/2008S 854/2023 wef 18/12/2023S 665/2013 wef 01/04/2014S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 598/2004 wef 01/10/2004S 54/2008 wef 15/02/2008S 54/2008 wef 15/02/2008S 54/2008 wef 15/02/2008

Subregulation 1

Amended byS 54/2008 wef 15/02/2008S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 54/2008 wef 15/02/2008S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 54/2008 wef 15/02/2008S 854/2023 wef 18/12/2023

Without prejudice to regulations 6 and 7, all detailed structural plans shall —

(a)

be in accordance with the provisions of the Act and these Regulations and any other requirement of the Commissioner of Building Control;

(b)

be signed, or be accompanied by an endorsement signed, by the qualified person who prepared the detailed structural plans and design calculations, and by an accredited checker unless the building works are of a type in respect of which the certificate of an accredited checker referred to in section 5(2)(d)(i) of the Act is not required under regulation 12;

(c)

bear a certificate from the qualified person who prepared and signed the structural plans on the first and last sheets of the plans stating that he has taken into consideration the loads imposed by all the building works as shown in the building plans or any amendment thereto, or be accompanied by such a certificate;

(d)

bear a certificate by an accredited checker referred to in section 5(2)(d)(i) of the Act on the first and last sheets of the plans, or be accompanied by such a certificate, unless the building works are of a type in respect of which such a certificate is not required under regulation 12;

(e)

contain information on the respective area of every floor plan, the imposed load for which the floor system or part thereof has been designed;

(f)

contain information on the type or types of foundation to be used;

(g)

contain the specifications of the materials to be used; and

(h)

contain information on the fixing and framing details of any external cladding and safety barriers against falling from a height (if applicable).

Subregulation 2

Amended byS 665/2013 wef 01/04/2014S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 854/2023 wef 18/12/2023S 598/2004 wef 01/10/2004S 54/2008 wef 15/02/2008S 54/2008 wef 15/02/2008S 54/2008 wef 15/02/2008

The design calculations shall be prepared in such format and manner as the Commissioner of Building Control may require and shall —

(a)

contain a contents page;

(b)

be signed and endorsed, or be accompanied by an endorsement signed, by the qualified person who prepared the detailed structural plans and design calculations;

(c)

bear a certificate by the qualified person who prepared the detailed structural plans and design calculations on the first and last sheets of the calculations stating that, to the best of his knowledge and belief, the design calculations have been prepared in accordance with these Regulations and that he is the person who prepared the design calculations, or be accompanied by such a certificate; (d)state in the certificate of the qualified person referred to in sub-paragraph (c) the number of pages per book and a numbering of every page in the book;

(e)

contain a Design Information Sheet giving a summary of the design information including, where applicable, the design loads, codes of practice, assumptions, soil investigation report, foundation system, wind loads and other information relevant to the design in question;

(f)

contain a Structural Summary Sheet showing the structural system, the form of the structure, the key structural elements, the provision for overall stability and structural analysis;

(g)

contain a Grouping of Structural Elements Sheet containing a list of designed structural elements that are similar; and

(h)

contain an Analysis and Design of Structural Elements Sheet showing the detailed design and calculations of —

(i)

the foundation;

(ii)

the shearwall, corewall and all structural elements resisting horizontal forces;

(iii)

the column and all vertical load bearing structural elements;

(iv)

the transfer beams or plates, cantilevers, pre-stressed beams and flat slabs;

(v)

the space truss and portal frame;

(vi)

any shaft, tunnel or connections, or cavern structure;

(vii)

the retaining walls and supporting structures; and

(viii)

the overall structural system under wind loads, if applicable.

Subregulation 3

Where a computer programme is used in the design calculations —

(a)

the details of the programme including assumptions, limitations and the like shall be explained by the qualified person in his submission; and

(b)

the inputs and outputs from the programme shall be endorsed and submitted by the qualified person and shall form part of the design calculations submitted by him.

Subregulation 4

The certificates referred to in paragraphs (1)(c) and (d) and (2)(c) shall be in such form as the Commissioner of Building Control may specify.