(A) The contractor shall keep the trenches free from water during the progress of the work, and shall, at his or her own expense, provide and operate all machinery and other appliance necessary to keep down the flow of water. No pipe shall be laid in and no concrete shall be poured on excessively wet soil. The city and/or engineer shall determine when dewatering shall be required. Payment for dewatering shall be incidental to the utility installation unless set forth as a separate bid item. The engineer shall approve the proposed method of dewatering.
(B) Water shall not be pumped onto adjacent property without approval of the adjacent property owner. The use of sanitary sewers for disposal of trench water shall not be permitted.