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in writing by the Utility Permit and Inspections Supervisor. Structures and facilities shall not <br />be located in the planting strip between the curb and sidewalk where they could conflict with <br />existing or future street trees. Facilities such as transformers, junction boxes, water meters, <br />and fire hydrants may be placed in the planting strip when necessary so long as their location <br />allows for street tree planting requirements as detailed in R-7.280. Utilities are required to <br />avoid conflicts with stormwater-related conveyance and treatment facilities. <br />4. No portion of a utility trench within a street may be located closer than one foot parallel to <br />the face of the gutter. Utility trenches shall not be located closer than one foot parallel to the <br />back of the curb. <br />5. Whenever pavement removal within public streets would cause the pavement to be cut <br />within three feet of an existing edge, curb, score, joint, or crack, the existing pavement shall <br />be removed to that edge, curb, score, joint, or crack. Undermined street sections shall be <br />removed. <br />6. Minimum width of pavement cuts shall be three (3) feet in portland cement concrete streets, <br />alleys, and driveways; and a "T" trench in asphalt concrete streets which shall be computed <br />as follows: Surface Width of Trench (including sloughing) + One Foot (six inches each <br />side). An acceptable alternative to using the "T" trench is through the performance of <br />compaction testing by an independent testing lab. If this alternative is selected, frequency <br />of the compaction testing shall be as is currently specified by the City on City contract <br />projects. Alternate trenching and backfill methods resulting in pavement cuts which differ <br />from these standards may be submitted for consideration on a case-by-case basis. <br />Pavement cuts for vacuum type excavation shall be no greater than 24" «~ide for square cuts <br />and no greater than 12" in diameter for round core cuts. Pavement restoration for core cuts <br />shall be 24" square. Backfill for vacuum type excavation within or adjacent to paved <br />surfaces shall be controlled density fill (CDF). Surface restoration for vacuum excavation <br />shall conform to requirements of section 3.B.1 for concrete surfaces and 3.B.2 for asphalt <br />surfaces. Monitoring wells within or adjacent to paved surfaces shall be backfilled with <br />CDF. <br />7. Cutting of existing pavements shall be performed with a rotary saw. The alignment of the <br />cutting shall be straight and the cutting depth shall be to a minimum of 60% of the existing <br />pavements depth. <br />Minor maintenance of existing facilities requiring small amounts of asphalt concrete <br />pavement cutting (less than 15 linear feet around the perimeter of the excavation) may be <br />performed using a clay spade. <br />8. Unless otherwise approved, pavement cuts shall be made parallel or perpendicular to the <br />centerline of the public way. <br />Utility & R/W Permit Policy <br />EXhiblt A - 24 r:\adminord\rules'~.OOrowrlexa.wpd(09/13/00).. <br />