12.20A.050 Definition of terms.

Unless otherwise stated, words and phrases used in this chapter shall have the following meanings:

“Backfill” means replacement of excavated material with suitable material compacted as specified around and over a pipe, conduit, casing or gallery.

“Bedding” means placement of suitable material to provide structural support and protect a pipe, conduit, casing or gallery.

“Carrier” means pipe directly enclosing a transmitted fluid or gas.

“Casing” means a larger pipe enclosing a carrier for the purpose of providing structural or other protection to the carrier and/or to allow for carrier replacement without re-excavation, jacking or boring.

“Coating” means protective material applied to the exterior of a pipe or conduit to prevent or reduce abrasion and/or corrosion damage.

“Conduit (or duct)” means an enclosed tubular runway for protecting wires or cables.

“Controlled density fill” means any mixture of cement, aggregate and pozzolanic materials that meet the requirements of the specification in Appendix B of the ordinance codified in this chapter, a copy of which is available in the office of the department of public works.

“County engineer” means the person designated as the county engineer as prescribed in Chapter 36.80 RCW.

“Cover” means depth of top of pipe, conduit, casing or gallery below the grade of a road or ditch.

“Direct burial” means installation of a utility underground without a protective conduit.

“Drain” means appurtenances to discharge accumulated liquids from casings or other enclosures.

“Emergency” means any condition constituting a clear and present danger to life and property of the general public or a customer; subscriber service interruption; or pollution of the environment.

“Encasement” means structural element surrounding a pipe or conduit for the purpose of preventing future physical damage to the pipe or conduit.

“Encroachment” means any use of county road right-of-way or easements for other than road purposes.

“Environmentally objectionable material” means any material, such as oil, toxic wastewater or sewage which could kill plants, animals, fish or would in any way degrade water quality in a stream.

“Franchise” means occupancy and use document granted by the county for occupancy of road rights-of-way in accordance with Chapters 36.55 and 80.32 RCW.

“Gallery” means underpass for two or more utility lines.

“Hazardous material” means any liquid or gas which could create a life threatening situation if the pipeline were ruptured.

“Jetting” means the use of an uncontrolled water stream to remove material prior to the insertion of a pipe, conduit or casing.

“Manhole” means an opening in an underground utility system into which workers or others may enter for the purpose of making installations, inspections, repairs, connections, cleaning and testing.

“Pavement (or pavement structure)” means the combination of sub-base, base course and surfacing placed on a subgrade to support the traffic load and distribute it to the subgrade.

“Permit” means a document issued under the authority of the county engineer that provides specific requirements and conditions for specific utility work at specific locations within the right-of-way.

“Pipe” means a structural tubular product designed, tested and produced for the transmittance of specific liquids and gases under specific conditions.

“Plowing” means direct burial of utility lines by means of a “plow” type mechanism that breaks the ground, places the utility line at a predetermined depth.

“Pothole” means an excavation to locate existing utilities.

“Pressure” means internal gage pressure in a pipe in pounds per square inch, gage (psig).

“Private lines” means privately owned, operated and maintained utility facilities devoted exclusively to the use of the owner.

“Public lines” means utility facilities owned, operated and maintained by the county and devoted exclusively to the use of the county.

“Restoration” means all work necessary to replace, repair or otherwise restore the right-of-way and all features contained within to the same or equal condition as before any change or construction thereto.

“Resurfaced” means covering the existing roadway surface with asphalt concrete pavement Class B or Portland Cement Concrete (PCC).

“Right-of-Way” means a general term denoting public land, property or interest therein, usually in a strip, acquired for or devoted to transportation purposes.

“Road (or roadways)” means a general term denoting a street, road or other public way including shoulders designated for the purpose of vehicular traffic.

“Roadway prism” means that portion of the right-of-way between the back of ditch (at the elevation of the adjoining roadway shoulder) or the back of sidewalk and including the roadway ditches, traveled way, shoulders and auxiliary lanes.

“Sleeve” means short casing through a pier, wall or abutment of a highway structure.

“Standard specification” means the most current version of the Standard Specifications for Road, Bridge and Municipal Construction issued by the Washington State Department of Transportation (WSDOT) and the Washington State Chapter of the American Public Works Association (APWA).

“Traffic control” means those provisions necessary to safeguard the general public as well as all workers during the construction and maintenance activities performed on utility facilities within the right-of-way.

“Traveled way” means the portion of the road designated for the movement of through traffic exclusive of shoulders and auxiliary lanes.

“Trenched” means installation of a utility in an open excavation.

“True line and grade” means a line reasonably free from deviation from a straight line between specific points.

“Untrenched” means installation of a utility without breaking the ground or pavement surface such as by jacking or boring.

Utility. For the purposes of this chapter, a “utility” shall mean any person or private or municipal corporation, with or without a franchise from the county, which from time to time may utilize the county road right-of-way for the construction or maintenance of waterworks, gas pipes, telephone, telegraph, cable television and electric light lines, sewers and any other such facilities.

“Vent” means appurtenance to discharge gaseous contaminants from casings or other enclosures.

“Window” means a rectangular opening cut in the pavement to allow potholing. (Sec. 1 of Ord. 1999-11-15)