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134 <br />Attachment PLANNING AND ZONING <br />To Minutes August 14, 1985 <br />On Wednesday, July 31, 1985, I attended a meeting at the Dakota County <br />Courthouse, Highway Department, regarding underground work. The <br />following policy has been adopted in Dakota County: <br />UNDERGROUND <br />1. All crossings of the roadbeds of the county highways <br />shall be made by boring inside a casing or carrier pipe, <br />or by jacking. All pushing with pneumatic compaction tools <br />must be at a depth of 41' or more. No pushing of four -lane <br />roads with pneumatic compaction tools unless this procedure <br />is modified in the Special Provisions of the Permit. The <br />auger shall not lead the casing or carrier pipe by more <br />than one inch. Open trenching shall be restricted to the <br />area from 5 feet beyond the shoulder to the right of way <br />line except as modified in the Special Provisions of the <br />Permit. <br />II. When pipes with bells or flanges are installed, the <br />crossings of the roadbeds of the county highway shall be <br />made by boring inside a conduit as provided in paragraph 1 <br />of this section or jacking a conduit of sufficient diameter <br />to permit threading the carrier pipe through it. <br />We support this policy, and feel it is very workable. To create a more <br />uniform working policy, we would encourage that you adopt a similar policy. <br />If you do, please forward a copy to our office. <br />