Rules for building and connecting sewer laterals

(a) Lateral construction. All laterals shall not have less than 6-inch inside diameter and shall be installed, when practicable, at a right angle with the sewer. Each shall end at the property line with a 6 x 4 inch or the required size reducer properly capped unless excepted in special cases by the director. (b) Connection to a lateral. (1) A 4-inch or appropriate size cast iron long radius 90-degree bend shall be connected to the lateral from which shall extend the cast or schedule 40 polyvinyl chloride riser and cleanout vertically to at least 1 inch above ground except in a sidewalk and driveway area. In sidewalk and driveway areas, the cleanout shall be flush with the surface and shall be made of brass. The director may require the installation of a concrete block below the 90-degree bend in sandy or soft soil areas. No construction shall be backfilled or covered until inspected and approved by the department. The lateral connection described in this subsection may be varied at the approval of the department to accommodate special topographic conditions. In all cases, the pipe connection to the lateral and the riser extension shall be of cast iron material. The entire cleanout shall be installed within the property and at the expense of the property owner. In improvement district projects, the city may install all or a portion of the riser extension at city expense when directed by the director. A sewer manhole in lieu of the above cleanout shall be installed when directed by the director. (2) If an existing lateral connection does not include a cleanout as described above, the property owner shall have one installed within 60 calendar days after written notice has been given the owner by the director. (3) Special control structures and other appurtenances shall be constructed by the applicant when required by the director. (c) Lateral installation charges. An applicant for lateral sewer installation shall pay for installation charges in accordance with the schedule of charges in § 43-3.2 . ; Sec. 14-1.5, R.O. 1990)