Design specifications for new pipeline.

Current as of 2008-06-30 Government source

Washington Utilities and Transportation CommissionOfficial agency material

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Pipeline companies must design new pipelines in accordance with ASME B31.4 "Pipeline Transportation Systems for Liquid Hydrocarbon and Other Liquids." Information about the ASME edition adopted and where to obtain it are set out in WAC 480-75-999, Adoption by reference.#