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Washington Administrative Code (Last Updated: November 23, 2016) |
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Title 468. Transportation, Department of (See Title 88) |
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Chapter 468-34. Utility lines—Franchises and permits. |
Section 468-34-230. Pipelines—Uncased carriers.
Latest version.
- (1) The carrier pipe shall conform to the material and design requirements of the utility industry and government codes and specifications.(2) The carrier pipe shall be designed to support the load of the highway plus superimposed loads thereon when the pipe is operated under all ranges of pressure from maximum internal to zero pressures.(3) Suitable bridging, concrete slabs, or other appropriate measures as approved by the department shall be used to protect existing carrier pipes which by reason of shallow bury or location makes them vulnerable to damage from highway construction or maintenance operations.(4) Existing carrier pipelines may remain in place without further protective measures if they are of adequate depth and do not conflict with highway construction or maintenance and provided the department (and the pipeline officials) agree that the lines are, and will remain, structurally sound and operationally safe.[Statutory Authority: 1977 ex.s. c 151. WSR 79-01-033 (DOT Order 10 and Comm. Order 1, Resolution No. 13), § 468-34-230, filed 12/20/78. Formerly WAC 252-04-195.]
1977 ex.s. c 151. WSR 79-01-033 (DOT Order 10 and Comm. Order 1, Resolution No. 13), § 468-34-230, filed 12/20/78. Formerly WAC 252-04-195.