มอก. 1012-2533

Scope (English)

Classifies precast reinforced concrete water pipe by end into 2 types, i.e. bevelled and bell types. Sub-classifies into 20 grades according to internal pressure resistance and reinforcement. Specifies nominal sizes, internal diameter, wall thickness, length, compositions and manufacture (e.g. concrete, reinforcement). Prescribes requirements for appearance, hydraulic test resistance, compressive strength of concrete bar. Includes marking, labelling, sampling and criteria for conformity, testing.