Utility easements will be permitted in lieu of alleys for property not adjacent to arterials in residential areas. Fire hydrants and water mains must be located in easements (such as an alley) which cross a street between easements, shall provide a manhole or cleanout at each right-of-way crossing. The termination or end of the sewer main shall be located in the right-of-way crossing, the termination or end of the sewer main shall be located in the right-of-way and a manhole shall be provided at the terminus point. An access easement ten feet (10') wide shall be located from right-of-way to utility easement at each manhole location within the block. The width of utility easements shall be determined by the Public Works Director.