All water and sewer tie-ins and construction of all water and sewer connections and extensions shall be inspected by the Public Works Director or his designated representative prior to backfilling. It shall be the responsibility of the contractor to insure that such inspections are done. The contractor shall notify the City at least twenty-four hours prior to the time requested for inspection. As it concerns urgent work or emergency action as described in KMC 18.25.100(k) and (l), the City shall be responsible for inspecting said work and the above-described notification requirement shall not apply. (Ords. 343, 479)