22 Feb 2019
Guidance Note: Wooden Piling Or Foundation Poles Used For Permanent Buildings
By Staff Writer
1. Background and purpose H4 treated wooden poles are used in most normal ground contact applications in South Africa. According to the SANS 457-2 (Softwood species) and SANS 457-3 (Hardwood species) standards, the expected service life of timber used in ground contact should be at least 20 years or longer if treated and used correctly....