Section 37.03.07.063 - PIPE CROSSINGS01.Standards for Pipe Crossings. The following standards apply to pipe crossings to be installed below the bed of a stream or river such as utility crossings of a gas line, sewer line, electrical line, communication line, water line or similar line.02.Depth of Line. The line shall be installed below the streambed to a depth which will prevent erosion and exposure of the line to free flowing water. In areas of high stream velocity where scouring may occur, the pipe shall be encased in concrete or covered with rock riprap to prevent the pipeline from becoming exposed.03.Pipe Joints. The joints shall be welded, glued, cemented or fastened together in a manner to provide a water tight connection.04.Construction Methods. Construction methods shall provide for eliminating or minimizing discharges of turbidity, sediment, organic matter or toxic chemicals. A settling basin or cofferdam may be required for this purpose.05.Cofferdam. If a cofferdam is used, it shall be completely removed from the stream channel upon completion of the project.06.Revegetation of Disturbed Areas. Areas disturbed as a result of the alteration shall be revegetated with plants and grasses native to these areas.Idaho Admin. Code r. 37.03.07.063