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SANS Specification
SANS Specifications

SANS 676-
Reinforced Concrete Pressure Pipes

SANS 677
Concrete Non Pressure Pipes

SANS 986
Rectangular Portal Culverts

Concrete Units commits itself to a policy of total quality assurance and are accredited with ISO 9001:2000 certification.


The aim of the CMA is to promote the increased and most effective use of precast concrete products, used in the construction industry, by architects, engineers, specifiers, contractors and end users in a professional manner for the benefit of all.

In order to increase the lifespan of concrete pipes for sewer applications an additional dolomitic sacrificial layer of 13mm or 19mm is added to the host pipe. Alternatively, a CAC or HDPE lined pipe is also available. Purpose designed high durability concrete in the coastal areas.