3-1-21: DEPTH OF WATER MAINS AND APPURTENANCES:
Public water mains and appurtenances shall be installed in rights of way at a depth to prevent freezing during the winter months. The minimum depth of bury for public water mains and appurtenances shall be seven and one-half feet (71/2'), as measured from the right of way surface, perpendicularly, to the top of the water main. The public works director may permit installation of the public water mains and appurtenances at a lesser depth provided special construction methods are utilized to prevent freezing. (Ord. 354, 2-21-1984)