Pre-cast bituminous joints for clay or concrete sewer pipe shall be able to withstand a temperature of 160° F without softening so as to destroy the effectiveness of the joint, and shall not be soluble in any of the wastes carried by the drainage system. Pre-cast bituminous joint material shall:
- Bond firmly to the surface to which it is applied;
- Be accurately cast within the hub and on the spigot;
- Bond securely in the assembled joint; and
- Completely and evenly fill the annular space between the hub and spigot.