Fenestration and Glazing Guidelines, Procedures and Calculations.
The guidelines featured in the pdf below give an idea to anyone wanting to calculate the Fenestration Compliance Procedures in terms of Sans 10400-XA:2011 and SANS 204:2011, what is required and what is involved.
There is a step-by-step guide to area (nett floor) calculation with reference to the parts of the regulations that apply. A SGHC (solar heat gain calculator) is also supplied, to calculate the heat conducted in and out of a building. There are a couple of “real life” calculations at the end of the document that illustrate how this was achieved.
You will see that the calculations that need to be done to comply with the Regulations are not at all straightforward. But you do, in any case require a “competent person” to draw up your building plans, submit them to the local authority, and take responsibility for the project (including ensuring that construction is in accordance with the plans). A competent person should be well equipped to interpret fenestration and glazing guidelines as well as procedures and the calculations. If not, it is the responsibility of that person to include someone who is in the project.
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