This account shall include the cost of labor, material and supplies consumed, and other expenses incident to repairing transmission and distribution mains. This includes such items as seeking and repairing leaks, removing and repairing worn sections and fittings, calking, digging and repaving in connection with such work, repairing manholes, thawing pipes, and scraping to remove incrustations.
220 CMR, 52.609-2