Last Update: 7/13/17

Chapter 480-75 WAC

HAZARDOUS LIQUID PIPELINESSAFETY

WAC Sections

GENERAL RULES
Definitions.
Application of rulesResponsibility for contractors.
Additional requirements.
Severability.
Annual pipeline safety fee methodology.
Civil penalty for violation of chapter 81.88 RCW.
Exemption for rules in chapter 480-75 WAC.
Damage prevention.
DESIGN
Leak detection.
Geological considerations.
Overpressure protection.
Overfill protection.
Cathodic protection test station location.
Design specifications for new pipeline.
Class locations.
Design factor (F) for steel pipe.
Location of pump stations and breakout tanks for pipelines.
Valve spacing and rapid shutdown.
CONSTRUCTION AND REPAIRS
Backfill and bed requirements.
Coatings.
Hydrostatic test requirements.
Welding procedures.
Pipeline repairs.
Construction specifications.
Welding inspection requirements.
OPERATION AND MAINTENANCE
Moving and lowering hazardous liquid pipelines.
Remedial action for corrosion deficiencies.
Inspections during excavation.
Right of way inspections.
Pipeline markers and above ground facilities.
Change in class location.
REPORTING
Maps, drawings, and records of hazardous liquid facilities.
Reporting requirements for proposed construction.
Pressure testing reporting requirements.
Incident reporting.
Depth-of-cover survey.
Annual reports.
Procedural manual for operations, maintenance, and emergencies.
Adoption by reference.
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