Section 7 1 B. Pipe Joints And Gaskets
SECTION 7 SANITARY SEWER GRAVITY COLLECTION SYSTEM
B. Pipe Joints and gaskets:
Elastomeric gasket joints providing a watertight seal shall conform to ASTM D3212 and F477, latest revisions. The gaskets shall be fabricated from a high-grade elastomer compound in accordance with ASTM Standard F477, “Specification for Elastomeric Seals (Gaskets) for Joining Plastic Pipe, except as otherwise modified herein. The basic polymer for the gaskets shall be synthetic rubber. Natural rubber gaskets or gaskets with both natural and synthetic rubbers wilt not are permitted. Gaskets shall be continuous, elastomeric, rubber ring type.