No. S 199
Building Control Act
(CHAPTER 29)
Building Control (Buildability)
Regulations 2011
In exercise of the powers conferred by section 49 of the Building Control Act, the Minister for National Development hereby makes the following Regulations:
Citation and commencement
1.  These Regulations may be cited as the Building Control (Buildability) Regulations 2011 and shall come into operation 15th July 2011.
Definitions
2.  In these Regulations —
“buildable design score” means the score relating to the extent to which a design of building works affects the ease of implementation of the building works, computed in accordance with the Buildable Design Appraisal System as set out in the Code of Practice;
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“buildability detailed design and implementation plan”, in relation to the building works of a building, means a document which describes and defines the type, extent of use and details of building systems, building components and buildable features to be implemented for the building works of the building for the purpose of computing the buildable design score or structural buildable design score, as the case may be, with respect to the design of the building works;
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“building plans” means the building plans referred to in regulation 4(1)(a)(i) of the Building Control Regulations 2003 (G. N. No. S 666/2003);
“Code of Practice” means the Code of Practice on Buildability issued by the Building and Construction Authority;
“constructability implementation plan”, in relation to the building works of a building, means a document which describes and defines the type, extent of use and details of construction techniques and processes, plant, equipment and innovative methods and systems to be implemented for the building works of the building for the purpose of computing the constructability score with respect to the building works;
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“constructability score” means the score relating to the extent to which an adoption of construction techniques and processes affects the productivity level of any building works, computed in accordance with the Constructability Appraisal System as set out in the Code of Practice;
“Construction Productivity Data” means data required for the purpose of assessing the productivity level of any building works, which includes the following:
(a)manpower utilisation;
(b)construction output; and
(c)documentation relating to the construction of the building works;
“detailed structural plans” means the detailed structural plans referred to in regulation 4(1)(a)(ii) of the Building Control Regulations 2003;
“Government Land Sales Programme” means a programme under which State land is sold for development through a public selection process by a statutory board referred to in the Schedule or the Government;
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“gross floor area” has the same meaning as “floor area” in rule 2(1) of the Planning (Development Charges) Rules (Cap. 232, R 5);
“immaterial changes” has the same meaning as in regulation 2 of the Building Control Regulations 2003 (G.N. No. S 666/2003);
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“relevant building works” means the building works referred to in regulation 3(1), (2), (3) or (4), as the case may be;
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“State land” has the same meaning as in section 2 of the Singapore Land Authority Act (Cap. 301);
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“structural buildable design score” has the same meaning as in regulation 7(1);
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“submission requirements” means the requirements specified in the Requirements on Submission of Construction Productivity Data issued by the Building and Construction Authority.
Application
3.—(1)  Subject to paragraphs (2) and (5), regulations 4, 6, 7, 11 and 13 shall apply to any building works in respect of which an application for planning permission is submitted to the competent authority under the Planning Act (Cap. 232) on or after 1st July 2011 and which involve a gross floor area of 2,000 square metres or more.
(1A)  Regulation 4, except for regulation 4(3)(b), shall not apply to building works consisting of repairs, alterations or additions to an existing building.
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(2)  Regulations 4(3)(b), 6, 7, 11 and 13 shall not apply to building works consisting of repairs, alterations or additions to an existing building (whether carried out within or outside the existing building) in respect of which an application for planning permission is submitted on or after 1st July 2011 unless —
(a)the gross floor area of the existing floor to be reconstructed;
(b)the increase in the gross floor area of the existing building that will result from the building works; or
(c)the sum of sub-paragraphs (a) and (b),
is 2,000 square metres or more.
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(3)  Subject to paragraphs (4) and (5), regulations 5, 8, 9, 10, 12 and 14 shall apply to any building works in respect of which an application for planning permission is submitted on or after 1st July 2011 and which involve a gross floor area of 5,000 square metres or more.
(4)  Regulations 5, 8, 9, 10, 12 and 14 shall not apply to building works consisting of repairs, alterations or additions to an existing building (whether carried out within or outside the existing building) in respect of which an application for planning permission is submitted on or after 1st July 2011 unless —
(a)the gross floor area of the existing floor to be reconstructed;
(b)the increase in the gross floor area of the existing building that will result from the building works; or
(c)the sum of sub-paragraphs (a) and (b),
is 5,000 square metres or more.
(5)  These Regulations shall also not apply to any building works relating to —
(a)any culvert, bridge, underpass, tunnel, earth retaining or stabilising structure, slipway, dock, wharf or jetty;
(b)any theme park;
(c)any place of worship;
(d)any power station; or
(e)any waste processing or treatment plant.
Minimum buildable design score
4.—(1)  Every qualified person appointed under section 8(1)(a) or 11(1)(d)(i) of the Act and every developer, in respect of any relevant building works, shall ensure that the building works are designed and carried out such that the buildable design score of the building works is not less than the minimum buildable design score referred to in paragraph (2) or (3), as the case may be.
(2)  The minimum buildable design score for any relevant building works which relate to any building to be built on any State land which is sold under the Government Land Sales Programme on or after 15th October 2013 shall be —
(a)in the case where the building works relate to any building to be built for one category of building use, the minimum buildable design score for that category of building use specified for any building on such State land as set out according to the category of building use in the Code of Practice; or
(b)in the case where the building works relate to any building to be built for mixed categories of building use, the sum of the minimum buildable design scores for each of the categories of building use specified for any building on such State land as set out according to the category of building use in the Code of Practice pro-rated in proportion to the percentage of gross floor area of the building works relating to the building to be built for building use for that category.
(3)  The minimum buildable design score for any relevant building works which relate to any building on any land, other than State land sold under the Government Land Sales Programme on or after 15th October 2013, shall be —
(a)in the case where the building works relate to any building to be built —
(i)where the building is to be built for one category of building use, the minimum buildable design score for that category of building use specified for any building on such land as set out according to the category of building use in the Code of Practice; or
(ii)where the building is to be built for mixed categories of building use, the sum of the minimum buildable design scores for each of the categories of building use specified for any building on such land as set out according to the category of building use in the Code of Practice pro-rated in proportion to the percentage of gross floor area of the building works relating to the building to be built for building use for that category; or
(b)in the case where the building works consists of repairs, alterations or additions to an existing building —
(i)where the repairs, alterations or additions involve one type of building works and are implemented for one category of building use, the minimum buildable design score for that type of building works corresponding to that category of building use specified for any building on such land as set out according to the type of building works against the category of building use in the Code of Practice; or
(ii)where the repairs, alterations or additions involve mixed types of building works and are implemented for mixed categories of building use, the sum of the minimum buildable design scores for each of the types of building works which is implemented for the corresponding category of building use specified for any building on such land as set out according to the type of building works against the category of building use in the Code of Practice pro-rated in proportion to the percentage of gross floor area of the building works relating to the building which consist of repairs, alterations or additions involving that type of building works.
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Minimum constructability score
5.  Every builder appointed under section 8(1)(c) of the Act, in respect of any relevant building works, shall ensure that construction of the building works, including those carried out on any land which is sold on or after 15th October 2013 under the Government Land Sales Programme, is not less than the applicable minimum constructability score for the relevant gross floor area of the building works relating to any building as set out in the Code of Practice.
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Submission of buildable design score
6.—(1)  Every developer shall, at the time of application for approval of building plans under section 5(1) of the Act, submit the buildable design score to the Commissioner of Building Control.
(2)  The submission of the buildable design score referred to in paragraph (1) shall —
(a)bear an endorsement by all qualified persons appointed under section 8(1)(a) or 11(1)(d)(i) of the Act in respect of the building works that the building works are designed such that the buildable design score of the building works is not less than the minimum buildable design score;
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(b)be accompanied by a buildability detailed design and implementation plan of the building works, which shall include the following:
(i)the floor plan of each storey of the building with respect to the building works (including the basement storeys) which clearly marks out the structural floor area and wall length for every structural system and wall system of that storey and any buildable feature;
(ii)the roof plan of the building which clearly marks out the structural floor area and wall length for every structural system and wall system of the roof and any buildable feature;
(iii)the elevation plans and sectional plans of the building which clearly mark out the types of structural system, wall system and buildable features to be constructed for the building works;
(iv)where applicable, the dimensions of the building components, the type and extent of repetition of precast components, the connection and details of precast components, details on the prefabricated reinforcement and the locations of all buildable features to be constructed for the building works; and
(v)such other details as may be required by the Commissioner of Building Control; and
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(c)be accompanied by such document and information as the Commissioner of Building Control may determine.
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Submission of structural buildable design score
7.—(1)  In addition to the requirements in regulation 6, if an application for approval of detailed structural plans of any proposed building works under section 5(1) of the Act is made before an application for approval of the building plans, then the person making the application shall, at the time of application for approval of detailed structural plans of the building works, submit the buildable design score relating to the structural elements of the building works (referred to in this regulation as the structural buildable design score) to the Commissioner of Building Control.
(2)  The submission of the structural buildable design score referred to in paragraph (1) shall —
(a)bear an endorsement by all qualified persons appointed under section 8(1)(a) or 11(1)(d)(i) of the Act in respect of the building works as to the structural buildable design score of the building works;
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(b)be accompanied by a buildability detailed design and implementation plan of the building works, which shall include the following:
(i)the floor plan of each storey of the building with respect to the building works (including the basement storeys) which clearly marks out the structural floor area for every structural system of that storey and any buildable feature;
(ii)the roof plan of the building which clearly marks out the structural floor area for every structural system of the roof of the building and any buildable feature;
(iii)the elevation plans and sectional plans of the building which clearly mark out the types of structural system and buildable features to be constructed for the building works;
(iv)where applicable, the dimensions of the building components, the type and extent of repetition of precast components, the connection and details of precast components, details on the prefabricated reinforcement and the locations of all buildable features to be constructed for the building works; and
(v)such other details as may be required by the Commissioner of Building Control; and
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(c)be accompanied by such document and information as the Commissioner of Building Control may determine.
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Submission of constructability score
8.—(1)  Every builder referred to in regulation 5 shall submit the constructability score to the Commissioner of Building Control at the time of application for permit to carry out structural works under section 6(1) of the Act or within such time after the grant of the permit as the Commissioner of Building Control may, in his discretion, allow.
(2)  The submission of the constructability score referred to in paragraph (1) shall be accompanied by —
(a)a constructability implementation plan of the building works which shall include the floor plan of each storey of the building with respect to the building works, including the basement storeys, the roof plan of the building and the elevation plans and sectional plans of the building which clearly mark out —
(i)the types of construction techniques and processes, plant, equipment, innovative methods and systems and materials which will be used for that storey, roof or building, as the case may be; and
(ii)details on the extent of adoption of each construction technique and process, plant, equipment, innovative method and system or material; and
(b)such document or information as the Commissioner of Building Control may determine.
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Site records of construction techniques and processes
9.—(1)  Every builder referred to in regulation 5 shall keep and maintain the following at the premises on which the building works are carried out:
(a)a progress report on the types of construction techniques and processes adopted for the purpose of ensuring that the building works are constructed in accordance with the minimum constructability score referred to in regulation 5, which shall include photographs evidencing the adoption of such construction techniques and processes;
(b)records of the construction processes put in place for the building works; and
(c)such other document, report and record as the Commissioner of Building Control may determine.
(2)  The builder shall, at every 3-monthly interval after the date of the grant of the permit to carry out structural works under section 6(1) of the Act until completion of the building works, submit the following items to the Commissioner of Building Control:
(a)the progress report referred to in paragraph (1)(a); and
(b)records of the construction processes put in place for the building works, referred to in paragraph (1)(b).
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(3)  The builder shall make available, at the request of the Commissioner of Building Control, any document, report or record referred to in paragraph (1) for his inspection.
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Submission of Construction Productivity Data
10.  Every builder referred to in regulation 5 shall submit the Construction Productivity Data of the building works to the Commissioner of Building Control in accordance with the submission requirements on a monthly basis and at such times as may be required by the Commissioner of Building Control.
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Departure and deviation from approved plans
11.—(1)  Any person who wishes to make any change to the buildability detailed design and implementation plan of any building works shall procure the preparation and submission of the altered buildability detailed design and implementation plan by all qualified persons appointed under section 8(1)(a) or 11(1)(d)(i) of the Act with respect to the building works.
(2)  Notwithstanding regulation 18 of the Building Control Regulations 2003 and subject to paragraph (3), any person who wishes to depart or deviate from any plan of building works approved by the Commissioner of Building Control under section 5(3)(a) or 5A(1) of the Act, whether such departure or deviation involves immaterial changes, shall procure the preparation and submission of the buildable design score and the buildability detailed design and implementation plan of the altered plan of building works by all qualified persons appointed under section 8(1)(a) or 11(1)(d)(i) of the Act with respect to the altered plan of building works to the Commissioner of Building Control.
(3)  Where a person referred to in paragraph (2) submits the detailed structural plans of the altered plan of building works, before the submission of any building plans of the altered plan of building works, to the Commissioner of Building Control, the person shall be deemed to have satisfied the requirement under paragraph (2) by procuring the preparation and submission of the structural buildable design score and the buildability detailed design and implementation plan of the altered plan of building works to the Commissioner of Building Control.
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Departure and deviation from adopted construction techniques and processes
12.  Every builder referred to in regulation 5 who wishes to depart or deviate from any construction technique or process adopted for the purpose of computing the constructability score referred to in regulation 8 shall —
(a)at least 3 working days prior to carrying into effect such departure or deviation —
(i)notify the Commissioner of Building Control of his intention and the departure or deviation; and
(ii)submit the recomputed constructability score resulting from the departure or deviation and the constructability implementation plan in respect of the recomputed constructability score to the Commissioner of Building Control; and
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(b)ensure that, notwithstanding the departure or deviation, the construction of the building works is carried out such that the constructability score of the building works is not less than the minimum constructability score referred to in regulation 5.
Submission of as-built buildable design score
13.—(1)  On completion of the building works, the developer shall submit the buildable design score of the building works as completed (referred to in this regulation as the as-built buildable design score) to the Commissioner of Building Control at the following time:
(a)at the time of application for a temporary occupation permit in respect of the building works; or
(b)in a case where no application is made for a temporary occupation permit, at the time of application for a certificate of statutory completion in respect of the building works.
(2)  The submission of the as-built buildable design score referred to in paragraph (1) shall —
(a)bear an endorsement by all qualified persons appointed under section 8(1)(a) or 11(1)(d)(i) of the Act in respect of the building works that the as-built buildable design score of the building works is not less than the minimum buildable design score;
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(aa)be accompanied by the buildability detailed design and implementation plan of the building works as completed; and
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(b)be accompanied by such documents as the Commissioner of Building Control may determine.
Submission of certificate of compliance of constructability score
14.—(1)  On completion of the building works, the developer shall submit a certificate in such form as may be required by the Commissioner of Building Control (referred to in this regulation as the certificate of compliance of constructability score) to the Commissioner of Building Control at the following time:
(a)at the time of application for a temporary occupation permit in respect of the building works; or
(b)in a case where no application is made for a temporary occupation permit, at the time of application for a certificate of statutory completion in respect of the building works.
(2)  The submission of the certificate of compliance of constructability score referred to in paragraph (1) shall bear an endorsement by the builder referred to in regulation 5 that the construction of the building works has been carried out such that the constructability score of the building works is not less than the minimum constructability score.
Penalty
15.  Any person who contravenes regulation 4, 5, 8, 9, 10, 11, 12, 13 or 14 shall be guilty of an offence and shall be liable on conviction to a fine not exceeding $10,000.
Revocation
16.  The Building Control (Buildable Design) Regulations (Cap. 29, Rg 8) are revoked.
Savings and transitional provision
17.  Notwithstanding regulation 16, the revoked Building Control (Buildable Design) Regulations in force immediately before 1st July 2011 shall continue to apply to building works, in respect of which an application for planning permission under the Planning Act (Cap. 232) has been submitted to the competent authority before 15th July 2011.
Made this 13th day of April 2011.
TAN TEE HOW
Permanent Secretary,
Ministry of National Development,
Singapore.
[ND202/1-7 Vol. 18; AG/LLRD/SL/29/2011/1 Vol. 1]
(To be presented to Parliament under section 52 of the Building Control Act).
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