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National Building Regulations and Building Standards Act, 1977 (Act No. 103 of 1977)

Regulations

Part A : Administration

A4. Local authority may require additional documents and information

 

(1) Where the local authority requires the applicant in terms of regulation A2(1)(f)(i) or (ii) to submit structural details or artificial ventilation details such applicant shall, to the extent required by the local authority—
(a) furnish the local authority with a structural arrangement drawing which shall show the position, level and size of every structural member;
(b) furnish the local authority with such structural drawings and artificial ventilation details as required in terms of subregulations (2), (3), (4), (5), (6), (7) and (8): Provided that where the structural system or artificial ventilation system, as the case may be, is designed by an approved competent person—

[Words preceding regulation A4(1)(b)(i) amended by regulation 43 of Notice No. R. 574 of 2008]

(i) the local authority shall permit the applicant to omit from his application any or all of the details required in subregulations (2), (3), (4), (5), (6), (7) and (8) on condition that the required details shall be submitted to the local authority at least three days, exclusive of a Saturday, Sunday or public holiday, prior to the commencement of the erection of the structural system of the building or the artificial ventilation system, as the case may be; and
(ii) such details shall thereafter form part of the relevant application for approval;
(c) show on structural drawings the imposed floor loads which such building has been designed to withstand;
(d) furnish for inspection the calculations employed in the design of the building proposed to be erected;
(e) furnish adequate information regarding the subsoil of the site on which the building is proposed to be erected;
(f) show the fire resistance ratings of the various structural members of the building and, where special protection for such members is necessary, details relating to such protection;
(g) furnish information regarding structural materials to be used in the construction of the proposed building, including the grade, strength, classification, temper or treatment;
(h) if the design or part thereof has been carried out in accordance with any standard contemplated in these regulations, furnish the name and number of such standard;

[Regulation A4(1)(h) amended by regulation 44 of Notice No. R. 574 of 2008]

(i) if the design or part thereof has been carried out in accordance with a document other than a standard contemplated in these regulations, furnish identification of such document together with the reasons for utilizing such document in preference to such standard;

[Regulation A4(1)(i) amended by regulation 44 of Notice No. R. 574 of 2008]

(j) if the design or part thereof has not been carried out in accordance with any standard or document contemplated in paragraph (h) or (i), furnish the basis and method on which such design was prepared and any further evidence of the adequacy of such basis and method; and

[Regulation A4(1)(j) amended by regulation 44 of Notice No. R. 574 of 2008]

(k) if the structural design or part thereof has been carried out in accordance with any standard, document or other method contemplated in paragraph (h), (i) or (j), furnish, in addition to the loads contemplated in paragraph (c), details of other loads which such building has been designed to withstand.

[Regulation A4(1)(k) amended by regulation 44 of Notice No. R. 574 of 2008]

 

(2) The documentation for the structural concrete used in a building shall, to the extent required by the local authority, show—
(a) the reinforcement in each member;
(b) the various grades of concrete to be used;
(c) the type of reinforcement or prestressing tendon;
(d) the amount of concrete cover to be provided to the reinforcement;
(e) the details of all joints between members; and
(f) the details of anchorage of prestressing steel.

 

(3) The documentation for structural steelwork shall, to the extent required by the local authority, show—
(a) the grades of steel of all members;
(b) details of connections between members; and
(c) details of the corrosion protection to be provided to the steel structure.

 

(4) The documentation for structural timber shall, to the extent required by the local authority, show—
(a) the grade and type of timber to be used in such construction;
(b) whether the sizes of timber members are nominal or finished sizes;
(c) the method of connection of all timber members and the connection of any timber members to a foundation or other parts of the building not constructed of timber;
(d) in the case of any roof construction, the details of the method of bracing to resist wind actions and other lateral actions, member spacing and sizes and details of connections;

[Regulation A4(4)(d) amended by regulation 45 of Notice No. R. 574 of 2008]

(e) details of treatment applied or to be applied in terms of these regulations, to the structural timber members; and
(f) details of drainage for condensation or wind driven water from any cavity and the details of any ventilation openings provided to such cavity.

 

(5) The documentation for structural masonry shall, to the extent required by the local authority, show—
(a) the class of mortar to be used, together with the strength of the masonry units;

[Regulation A4(5)(a) amended by regulation 46 of Notice No. R. 574 of 2008]

(b) the details of all joints in masonry and between masonry and other members, including dimensions and materials from which bearing pads and load spreading devices are made; and
(c) details of all reinforcement, wall ties and anchors.

 

(6) The documentation for foundations shall, to the extent required by the local authority, show—
(a) the type and condition of the soil; and
(b) the design loads to be applied to the foundations, except where such foundation is constructed in accordance with any relevant empirical rule and such construction is deemed to satisfy these regulations.

 

(7) The documentation for other structural materials shall, to the extent required by the local authority, show—
(a) the overall size of every structural member together with its location;
(b) the grade of material of all members;
(c) the details of all connections between members;
(d) the details of the corrosion protection to be provided; and
(e) the details of reinforcement provided, including its strength and composition.

 

(8)
(a) Where the local authority requires any particulars with regard to the artificial ventilation of any building by a mechanical apparatus not being a room air conditioner contemplated in SANS 1125, or any portable electric fan, the following information shall, to the extent required by the local authority and subject to the requirement of paragraph (b), be submitted:

[Words preceding regulation A4(8)(a)(i) amended by regulation 47 of Notice No. R. 574 of 2008]

(i) The location and size of any plant room;
(ii) the location and size of principal air ducts, plenums, inlets and outlets;
(iii) the proposed rates of air supply or extraction; and
(iv) details of any water recirculation system, cooling tower and storage tank.
(b) Any documentation contemplated in paragraph (a) shall be accompanied by a certificate signed by an approved competent person in which he shall certify that any apparatus to be installed has been designed to provide a standard of ventilation which complies with these regulations.

[Words preceding regulation A4(8)(b) amended by regulation 48 of Notice No. R. 574 of 2008]

 

(9)
(a) Where a local authority is not satisfied as to the adequacy or safety in use of any construction system, method, material, article or product which is proposed to be used in the erection of any building the local authority may require a test report or evaluation certificate in respect thereof.
(b) On submission to such local authority of—
(i) an applicable report issued by the council or the CSIR; or
(ii) any current Agrément certificate,

[Regulation A4(9)(b)(ii) amended by regulation 49 of Notice No. R. 574 of 2008]

the adequacy or safety of such system, method, material, article or product covered by such report or certificate shall be deemed to satisfy any relevant requirement for adequacy or safety prescribed in these regulations, to the extent and under the conditions set out in such report or certificate.

(c) A report or certificate contemplated in paragraph (a), issued on or after the date of coming into operation of these regulations, shall contain the number of the regulation which prescribes such requirement.