N.M. Admin. Code § 17.10.650.12 - ENGINEERING
A.
Requirements for good engineering practices:
(1) The gas plant of the utility shall be
constructed, installed, maintained, and operated in accordance with accepted
good engineering practice in the gas industry to assure, as far as reasonably
possible, continuity of service, uniformity in the quality of service
furnished, and the safety of persons and property.
(2) In certain instances the commission may
authorize the use of pipe other than steel for low pressure transmission and
distribution systems. In no case shall a utility deviate from the use of steel
pipe without first obtaining authorization from the commission.
B.
Acceptable
standards: Unless otherwise specified by the commission the utility
shall use the applicable provisions in the publications listed below as
standards of accepted good practice for construction initiated and operations
and testing procedures conducted after the effective date of Second Revised
General Order No. 6, codified by 17.10.650 NMAC.
(1) American standard code for "gas
transmission and distribution piping system," ASA B31.8-1968.
(2) National board of fire underwriters
standard no. 59, July 1962, "the storage and handling of liquefied petroleum
gases at utility gas plants".
(3)
"Standard methods of gas testing," circular no. 48, national bureau of
standards, 1916 (the applicable portions of the circular have been
substantially reproduced in the American meter co. handbook E-4 covering the
testing of positive displacement gas meters).
(4) "Testing large capacity rotary gas
meters, " research paper no. 1741, national bureau of standards journal of
research, September 1946.
(5)
"Standard method of test for caloric value of gaseous fuels by the waterflow
calorimeter," American society for testing materials, standard D 900-55,
1955.
C.
Acceptable
references: The following publications have not been designated as
standards but may be used as guides to acceptable practice.
(1) "Accuracy of the recording gas
calorimeter when used with gases of high BTU content," by John H. Eiseman,
national bureau of standards, and Elwin A. Potter, gas inspection bureau of the
District of Columbia, AGA publication no. CEP-55-13.
(2) "Orifice metering of natural gas," report
No. 3 of the AGA gas measurement committee.
D.
Adequacy of supply: The
production and storage capacity of the utility's plant supplemented by the gas
supply regularly available from other sources must be sufficiently large to
meet all reasonably expectable demands for firm service.
E.
Inspection of gas plant: Each
utility shall adopt a program of inspection of its gas plant in order to
determine the necessity for replacement and repair. The frequency of various
inspections shall be based on the utility's experience and accepted good
practice. Each utility shall maintain sufficient records to give evidence of
compliance with its inspection program.
Notes
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