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June 16, 2022 <br />69 <br /> <br />Specifications for Construction of Public Utilities, as it presently exists or may hereafter be <br />amended and shall conform to the following: <br />a. The base shall be built with six (6) inches of compacted gravel meeting the most <br />recent version of the NDDOT Standard Specifications for Road and Bridge <br />Construction manual for Class 5 gravel. <br />b. The road shall be built with six (6) inches of asphalt or six (6) inches of concrete. <br />c. Asphalt roads shall initially be built with four (4) inches of asphalt with a two (2) inch <br />asphalt wear course constructed following the completion of eighty (80) percent of <br />the development’s primary structures. All low spots and areas experiencing settling <br />shall be filled to grade with asphalt prior to the final two (2) inch wear course. <br />d. The road shall have a two (2) percent crown. <br />e. Street grade shall be built to specifications in Table 7. Street Grade and Intersection <br />Standards below. <br /> <br />f. Road elevation shall be built to a minimum of six (6) inches above the base flood <br />elevation (BFE). If the BFE has not been established the applicant may use the best <br />available information to determine this elevation. <br />g. Built to the width set forth in Table 5. Right-of-Way and Roadway Widths. <br />5. Major subdivisions with thirteen (13) or more buildable lots shall have a minimum of one (1) <br />paved county or township road providing access to a minimum of one (1) entrance of the <br />subdivision or a private paved road meeting the requirements set forth in Table 5. Right-of- <br />Way and Roadway Widths. <br />(p) Cul-de-Sac Streets. <br />1. A cul-de-sac will not be permitted when a through street is feasible. The feasibility of a <br />through street will be based on the physical features of the tract proposed for development, <br />the potential for extension of the street to adjoining lands, restrictions imposed by other <br />government regulations and the ability of the design to meet all other requirements of this <br />Ordinance. When cul-de-sac streets, are proposed, the application shall be accompanied by <br />a written analysis of the merits of the design and the reasons that a through street would