Despite efforts at utility meetings and conferences such as the American Water Works Association, many water system managers remain unfamiliar with pigging," Cubage says.
Cubage says that pigging is most appropriate for water lines and force sewer mains.
For utility pigging, Cubage says "poly pigs" constructed of open cell polyurethane foam with several types of external wrappings are used.
Cubage describes the basic steps for pigging a section of utility pipe:
Objective is to create a property with low running costs, durable materials, ecological / environmentally friendly orientation and high functionality, ie taking into account the functional requirements to the building envelope and to be heated cubage
and the resulting follow-up costs be minimized.