Section 407-640-1 - DEFINITIONSA. Private fire protection - Water service to support the operation of a private fire protection system, including private hydrants, automatic sprinkler systems, standpipes, and other appurtenances installed by the customer to assist in extinguishing fires. Private fire protection includes all fire protection installations which are not provided by the utility as part of its public fire protection services.B. Back-up capacity or back-up facilities - The capacity and facilities (such as transmission and distribution mains, storage facilities, pumps, etc.) that must be present in order for the private fire protection system to perform as designed. This capacity and/or facilities may be provided by the utility or by the customer.C. Private fire service line - A water line installed at the customer's expense extending from a main to provide private fire protection to a single customer, a single multi-unit building or complex, or a single commercial or industrial development.D. Service Drop - That portion of a water line that extends from the main to the edge of the utilities' easement or the public right-of-way.E. Direct Costs - Those costs that are directly associated with the provision of public fire protection or private fire protection. For example, service line costs, hydrant maintenance, cost of utility participation in sprinkler system tests. These costs should be assigned directly to public or private fire protection service.F. Indirect Costs - Those costs that are shared or joint costs of providing private and public fire protection service. These costs are allocated between public and private fire charges.65- 407 C.M.R. ch. 640, § 1