R.E.D. Consulting

The following definitions are drawn from the South African National Standard SANS 10400-XA — the National Building Regulations relating to energy usage in buildings.

3.3 — Certified Thermal Calculation Software

Software that is certified by the Board of Agrément South Africa, in terms of Agrément South Africa's Energy Software Protocols, as being fit for thermal modelling or calculation purposes in terms of the National Building Regulations.
NOTE: Board of Agrément South Africa is the body that operates under the delegation of authority of the Minister of Public Works.

3.4 — Competent Person

Person who is qualified by their education, training, experience, and contextual knowledge to make a determination regarding the performance of a building or part thereof in relation to a functional regulation or to undertake such duties as may be assigned to them in terms of the National Building Regulations.

3.11 — Fenestration

Glazed opening in a building envelope, including windows, doors, and roof lights.

3.12 — Fenestration Area

Area that includes glazing and framing elements that are fixed or movable, opaque, translucent, or transparent.

3.13 — Functional Regulation

Regulation that sets out in qualitative terms what is required of a building or building element or building component in respect of a characteristic, without specifying the method of construction, dimensions, or materials to be used.

3.14 — Nett Floor Area

Floor area within the building envelope, including the area occupied by vertical elements such as internal walls as well as lift wells, enclosed stairs, and storage areas and rooms.

3.15 — Orientation

Direction that a building envelope element faces, i.e. the direction of a vector perpendicular to and pointing away from the surface outside of the element.

3.16 — Reference Building

Hypothetical building that has the same building envelope dimensions, internal layout, functionality, external arrangements and orientation as the proposed building with the deemed-to-satisfy provisions applied and is used to determine the maximum allowable energy usage per annum and average demand for the proposed building.