05/14/1990 Council Minutes - Laserfiche WebLink

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ORDINANCE NO. 03 - 90 (10) Private Streets. Private streets shall not be permitted, nor shall public improvements be approved for any private streets. Subd. 2 Detailed Design Standards (1) Pavements. The minimum standard for pavement design shall be as follows: (a) Soil moorings for each new street or improved street shall be required to facilitate design and provide bidding information to the construction contractor. The location and minimum number of such borings shall be as required by the City Engineer on each project. (b) A Stabilometer R -Value shall be determined from the soils samples by a qualified soils engineer and his calculations presented to the City Engineer. Because of the generally- high and variable water table in Lino Lakes, the R -Value shall consider the worst possible soil moisture conditions. (c) The R -Value shall be used to determine the necessary thicknesses of the gravel base, bituminous binder course, and bituminous wearing course. (d) Streets shall be kept three (3) feet _ above the water table and design flood level of adjacent ponds, as measured from finished grad -e -, where soil borings or other data indicates that the street subgrade may become saturated within three (3) feet of the finish street grade. Special construction methods such as use of select granular borrow subbase and /or properly designed drain tile ray be employed as an alternative with the approval of the City Engineer. (e) All residential strccit, b..ing acted or improved - ai_ be designed for min-mum of seven (7) ton design 1 jag and shall_.be capable of carrying minimum of 400 motor vehicles per If more than 400 vehicles per day anticipated, base and pavement de shall consider the projected traf Collector, commercial and /or indu: al PAGE 5