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20.55.09.00.htm 20.55.09.00. Title 20 PUBLIC SERVICE COMMISSION Subtitle 55 SERVICE SUPPLIED BY GAS COMPANIES Chapter 09 Safety Authority: State Government Article, §7-207(a) Public Utilities Article, §2-113, 2-121, and 5-101; Annotated Code of Maryland
20.55.09.01.htm 20.55.09.01. 01 Protective Measures.. A. Exercise Reasonable Care. Each utility or gas master meter operator shall exercise reasonable care to reduce the hazards to which its employees, its customers, its contractors, and the general public may be subjected.B. Investigation by Commission. The utility or gas master meter operator shall give reasonable assistance to the Commission in the investigation of the cause of accidents and in the determination of suitable means of preventing accidents.
20.55.09.02.htm 20.55.09.02. 02 Safety Program.. A. Adopt Safety Program. Each utility, including its contractors, shall adopt and execute a safety program, fitted to the size and type of its operations.B. Use Suitable Tools and Equipment. Each utility or gas master meter operator may require its employees and contractors to use suitable tools and equipment in order that they may perform their work in a safe manner.C. Promote Safe Work Methods. Each utility or gas master meter operator may
20.55.09.03.htm 20.55.09.03. 03 Customer Piping.. A. Before permitting the use of gas at any location, the piping shall be tested for tightness and leaks in accordance with Part 4 of the American National Standard "National Fuel Gas Code" ANSI Z223.1 (1988) which is incorporated by reference under COMAR 20.55.02.02.B. Pressure Test. Before any system of gas piping is finally put in service, it shall be tested for tightness and certified by the proper inspection authority that the test has been made.
20.55.09.04.htm 20.55.09.04. 04 Gas Leaks.. Each utility or gas master meter operator shall respond promptly to all reports of gas leaks. The response shall include investigating the reports of gas leaks in accordance with COMAR 20.55.02.02B(1)
20.55.09.05.htm 20.55.09.05. 05 Gas Leakage Surveys.. A. Procedures and Methods. Each utility or gas master meter operator shall establish procedures for making periodic gas leakage surveys as specified in these regulations. For residential customers with meters located outdoors, leakage surveys shall be performed up to the building entry. The leakage surveys shall be conducted by one or more of the following methods:1) Flame ionization;. 2) Combustible gas indicator and bar hole;.
20.55.09.06.htm 20.55.09.06. 06 Odorization.. A. Distinctive Odor Required. The odorant level throughout the entire company distribution system shall be sufficient so that gas is detectable at 1/10 of the lower explosive limit.B. Tests. A system to monitor the odorant level within the distribution system shall be installed and maintained to insure the requirements of §A of this regulation.C. Odorant Injection. On-site odorant injection or other recognized protection means shall be provid
20.55.09.07.htm 20.55.09.07. 07 Pipeline Location.. A. Burial. All pipelines shall be buried a minimum of 24 inches, or 18 inches in solid rock, where the term solid rock indicates the necessity for blasting or the use of pneumatic equipment.B. Exceptions. Burial depths less than that specified but not less than 12 inches will be allowed if underground obstructions preclude those depths, if special line protection as accepted by the Commission is provided. The above requirements shall be
20.55.09.08.htm 20.55.09.08. 08 Increasing Maximum Allowable Operating Pressure.. A utility or gas master meter operator may not increase the maximum allowable operating pressure of a pipeline until it has submitted to the Engineering Division a copy of the written procedure required by 49 CFR §192.553(c) as amended, which is incorporated by reference.
20.55.09.9999.htm 20.55.09.9999. Administrative History Effective date: July 1, 1964 (Order No. 55567). Chapter revised effective October 21, 1974 (Order No. 60922). Regulation .01 amended effective January 15, 1996 (23:1 Md. R. 35). Regulation .02 amended effective February 7, 2000 (27:2 Md. R. 146). Regulation .02E adopted effective December 25, 1989 (16:25 Md. R. 2715). Regulation .03A amended effective December 25, 1989 (16:25 Md. R. 2715). Regulation .04 amended effective February 7, 2000 (27:2 Md. R. 146).
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