Company Name:  Alec Johannsen Consulting Engineers 

Address:  45 Idol Road, LYNNWOOD GLEN, Pretoria, 0081 

Telephone:   +27 (0) 12 348 3514 

Fax   +27 (0) 865 116 963 

Email:   alecj@lantic.net 

Approved Extract

 The certificate covers BSIMAC (Version 9) Building Energy Analysis Software, when used for the assessment of the energy requirement of buildings as required in Regulation XA3 of Part XA: Energy usage in buildings of the National Building Regulations. 

 BSIMAC (Version 9) Building Energy Analysis Software is based on procedures recommended by the American Society of Heating Refrigeration and Air-Conditioning Engineers (ASHRAE) with calculations carried out on an hour-by-hour basis using the “Radiant Time Series” method. 

BSIMAC (Version 9) Building Energy Analysis Software may be used for the rational design of air-conditioned buildings or naturally ventilated buildings of all occupancies in terms of the requirements of Regulation XA3 b) and c) of Part XA: Energy usage in buildings of the National Building Regulations 

This certificate and Agrément South Africa’s assessment apply only to the BSIMAC (Version 9) Building Energy Analysis Software as described in this certificate, and where the terms and conditions of certification are complied with.