General

This Standard covers the manufacture of septic tanks and their associated fittings for the treatment of domestic wastewater only. This range of tanks typically is designed to cater for:

(a) All-waste (Blackwater and Greywater);

(b) Blackwater only;

(c) Greywater (with or without kitchen waste included) only; and

(d) Holding tanks (collection wells) and pump wells. Septic tanks covered by this Standard are suitable for a flow of domestic wastewater of up to 14,000 litres per week.