220 CMR, § 113.02
Except as otherwise specified in 220 CMR 113.00, all words are as defined in 49 CFR Part 192 - Transportation of Natural and Other Gas By Pipeline: Minimum Federal Safety Standards.
Angle of Influence. A 45° angle above the horizontal starting from the bottom edge of the trench nearest to the main.
Deep Trench. An excavation that is more than five feet in depth.
Department. Department of Public Utilities, Commonwealth of Massachusetts.
Determine. To make appropriate investigation using scientific or other definitive methods, reach a decision based on sound engineering judgment, and be able to demonstrate, substantiate, and document the basis of the decision.
Division. Pipeline Safety Division of the Department.
High-pressure Cast-iron Pipe. A distribution line in which the gas pressure in the pipe is higher than the pressure provided to the customer.
Immediately. Except in the case of a gas-related emergency, the first regular workday that the operator can gain access to its facilities after the necessary State, City, or Town permits are expeditiously obtained and the statutory notification requirements have been met.
Low-pressure Cast-iron Pipe. A distribution line in which the gas pressure in the pipe is substantially the same as the pressure provided to the customer.
Person. Any individual, firm, joint venture, partnership, corporation, association, state agency, municipality, municipal department, cooperative association, or joint stock association, and includes any trustee, receiver, assignee, or personal representative thereof
Shallow Trench. An excavation that is five feet or less in depth.
Sheeting. A bracing or shoring used to support the sides of an excavation to prevent its collapse during an excavation project.
Soft Clay. Earth that is easily molded by hand, or that has an unconfined compressive strength of 0.5 to 1.0 kips per square foot.
Strain. The physical deformation of a body caused by the application of an external force. It is usually expressed as a percentage.
220 CMR, § 113.02