No. S 95
Building Control Act
(Chapter 29)
Building Control (Amendment) Regulations 1998
In exercise of the powers conferred by section 50 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 (Amendment) Regulations 1998 and shall come into operation on 13th March 1998.
Amendment of regulation 5
2.  Regulation 5 of the Building Control Regulations (Rg 5) (referred to in these Regulations as the principal Regulations) is amended —
(a)by deleting paragraph (1) and substituting the following paragraphs:
(1)  Where any building works consist of repairs, alterations or additions to an existing building and the qualified person who prepared the building plans reasonably suspects that the building works may affect the structural stability or integrity of the building, the building plans referred to in regulation 4 shall bear a certification from an appropriate professional engineer that —
(a)he has inspected the building and investigated its overall structure; and
(b)in his opinion, the building is capable or incapable of resisting the forces and movements which may be increased or altered by reason of the repairs, alterations or additions.
(1A)  Where the qualified person who prepared the building plans referred to in paragraph (1) is a professional engineer in the appropriate discipline, he may provide the certification himself.”; and
(b)by deleting paragraph (3).
Deletion of regulation 11
3.  Regulation 11 of the principal Regulations is deleted.
Deletion and substitution of regulation 60
4.  Regulation 60 of the principal Regulations is deleted and the following regulation substituted therefor:
Waiver of natural ventilation and natural lighting
60.  .  Where air-conditioning and artificial lighting, or mechanical ventilation and artificial lighting, are installed or intended to be installed —
(a)in the bathroom, toilet or lavatory of a residential building; or
(b)in any other building,
the provisions of these Regulations relating to natural ventilation and natural lighting shall not apply.”.
Amendment of regulation 61
5.  Regulation 61 of the principal Regulations is amended by deleting paragraph (1) and substituting the following paragraph:
(1)  The design and installation of —
(a)any air-conditioning or mechanical ventilation system; or
(b)the alteration or extension of any existing air-conditioning or mechanical ventilation system,
shall be in accordance with the provisions of this Division and with the Code of Practice for Mechanical Ventilation and Air-Conditioning in Buildings — SS.CP 13:1980.”.
Amendment of regulation 63
6.  Regulation 63 of the principal Regulations is amended —
(a)by deleting paragraph (3) and substituting the following paragraph:
(3)  The exhaust point of the extract ventilation system shall be arranged —
(a)to discharge sufficiently far away from any doorways, apertures or other openings to prevent the re-entry of objectionable odours or flammable vapour into the premises; and
(b)not to face or discharge anything in the direction of any adjacent residential building.”; and
(b)by inserting, immediately after paragraph (5), the following paragraph:
(6)  The basement car park ventilation system shall be connected to an emergency power supply.”.
New regulation 63A
7.  The principal Regulations are amended by inserting, immediately after regulation 63, the following regulation:
Fume extract system for basement car park with natural ventilation
63.  A.—(1)  Where a basement car park is naturally ventilated in accordance with regulations 57 and 58(3), a supplementary mechanical exhaust system for the removal of vehicle fumes shall be installed.
(2)  The supplementary mechanical exhaust system shall have a volume flow rate of 20% of the rate of air change required for mechanical ventilation of car parks or 1.2 air change per hour.
(3)  The exhaust point of the supplementary mechanical exhaust system shall be located at a position not exceeding 650 mm above the finished floor level.
(4)  The discharge point shall —
(a)be located sufficiently far away from doorways, windows or other openings to prevent the re-entry of objectionable vapour or fumes into the premises; and
(b)not face or discharge anything in the direction of any adjacent residential building.”.
Deletion of regulation 64
8.  Regulation 64 of the principal Regulations is deleted.
Deletion of regulations 84 to 88
9.  Regulations 84 to 88 of the principal Regulations are deleted.
Amendment of regulation 110
10.  Regulation 110(2) of the principal Regulations is amended by deleting the words "or an application for approval of plans of any installation, alteration or extension to any air-conditioning and mechanical ventilation system or fire protection system," in the third, fourth and fifth lines.
Amendment of Third Schedule
11.  .  Part II of the Third Schedule to the principal Regulations is amended by deleting paragraphs 2 and 3.
Amendment of Seventh Schedule
12.  .  The Seventh Schedule to the principal Regulations is amended by inserting, immediately after sub-paragraph (d) of paragraph 1, the following sub-paragraph:
(e)Barbed wire, corrugated or sheet metal:
Barbed wire, corrugated zinc sheet, or sheet metal, for boundary fence.”.
[G.N. Nos. S491/92; S528/95; S116/96; S320/96; S206/97; S309/97; S413/97]

Made this 7th day of March 1998.

LAM CHUAN LEONG
Permanent Secretary,
Ministry of National Development,
Singapore.
[PWD BCD 43.7.5 Vol 8; AG/LEG/SL/29/97/1 Vol 1]
(To be presented to Parliament under section 53 of the Building Control Act).