For the purpose of these rules, certain forms, phrases and words and their derivatives shall be construed as specified in this section. Words used in the plural shall include the singular, and words used in the singular shall include the plural. The contiguous area owned by the developer, including any and all street improvements required by County code. Director means the Director of the Multnomah County Department of Environmental Services or his designated representative. A private pipe connection transporting surface water runoff from an individual residence or commercial enterprise to a storm drain lateral or trunk.
Person includes corporation, unless the context wherein the word is used indicates otherwise.
Storm Drain Lateral. A pipe line designed to collect surface water runoff from only the property immediately adjacent to it, including any street in which it might be built. Immediately adjacent property will include any connecting streets to an accumulative total of 300 feet in length and draining to the lateral by pipe or overland flow into inlets. Storm Drain Trunk. A trunk line designation could begin at the point where two or more laterals connect together, or where intersecting streets draining to a lateral by any combination of pipe and overland flow exceeds 300 feet in length, or at the extremity of a development, if future extension would indicate it would be considered a trunk.