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PDFWAC 468-34-190

Pipelines—Location and alignment.

(1) For all crossings, the angle of crossing should be based on economic considerations of practical alternates. The crossings should be as near normal to the highway centerlines as practical.
(2) Pipeline crossings should avoid deep cuts, footings of bridges and retaining walls, wet or rocky terrain or locations where highway drainage would be affected.
(3) Longitudinal installations shall parallel the highway and lie as near as practicable to the highway right of way line. Any longitudinal installation in the roadway or median, as defined in WAC 468-34-110 (7) and (8), shall be considered a variance from this policy. Any request for such a variance must demonstrate that:
(a) The installation will not adversely affect the design, construction, stability, structural integrity, traffic safety or operation of the highway.
(b) The installation, other than in the roadway or median, will create an undue hardship or financial burden by reason of terrain, geology, or environmental damage along the roadside.
(4) Trenched crossing in the roadway as defined in WAC 468-34-110(7) shall be considered a variance from this policy. Any request for such a variance shall comply with subsection (3)(a) and (b) of this section.
[Statutory Authority: Chapter 47.44 RCW. WSR 89-05-022 (Order 119), § 468-34-190, filed 2/10/89. Statutory Authority: 1977 ex.s. c 151. WSR 79-01-033 (DOT Order 10 and Comm. Order 1, Resolution No. 13), § 468-34-190, filed 12/20/78. Formerly WAC 252-04-155.]
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