PDFWAC 480-93-160
Reporting requirements of proposed construction.
(1) Each gas pipeline company must file a proposed construction report with the commission at least forty-five days prior to construction or replacement of any segment of a gas transmission pipeline equal to or greater than one hundred feet in length. Emergency repairs are exempt from this section.
(2) The report must describe the proposed route and the specifications for the pipeline and must include, but is not limited to, the following items:
(a) Description and purpose of the proposed pipeline;
(b) Route map showing the type of construction to be used throughout the length of the line, and delineation of class location as defined in 49 C.F.R. Part 192.5, and incorporated boundaries along the route. Aerial photographs must be submitted upon request;
(c) Location and specification of principal valves, regulators, and other auxiliary equipment to be installed as a part of the pipeline system to be constructed;
(d) MAOP for the gas pipeline being constructed;
(e) Location and construction details of all river crossings or other unusual construction requirements encountered en route, e.g., places where pipe will be exposed or it is impractical to provide required cover, bridge crossings, lines to be laid parallel to railroads or state highways, including encroachments, and any other areas requiring special or unusual design and construction considerations;
(f) Proposed corrosion control program to be followed including specifications for coating and wrapping, and the method to ensure the integrity of the coating using holiday detection equipment;
(g) Welding specifications; and
(h) Bending procedures to be followed if needed.
[Statutory Authority: RCW 80.01.040, 80.04.060 and 81.88.040. WSR 08-12-046 (Docket PG-070975, General Order R-549), § 480-93-160, filed 5/30/08, effective 6/30/08. Statutory Authority: RCW 80.04.160, 80.28.210, and 80.01.040. WSR 05-10-055 (Docket No. UG-011073, General Order No. R-520), § 480-93-160, filed 5/2/05, effective 6/2/05; Order R-28, § 480-93-160, filed 7/15/71; Order R-5, § 480-93-160, filed 6/6/69, effective 10/9/69.]