A. All minor streets shall have a minimum of a twenty-four (24) foot driving surface. No on-street parking shall be allowed.
B. For any major street identified on the major street plan, the road surfacing width shall be in accordance with Section 1502 of the city comprehensive plan.
C. A minimum of four inches of gravel surface shall be required.
D. A drainage ditch section shall be provided on both sides of the street. A minimum of three-to-one cross slope shall be provided.
E. Driveways shall not inhibit or restrict the flow of surface water and shall have the approval of the appropriate highway authority. A minimum eighteen (18) inch corrugated metal pipe shall be installed for the drainage ditch driveway crossing unless smaller size approved by the director of streets.
F. Individual wells or other approved water system shall be allowed, if they meet all state and local regulations.
G. Proposed on-site wastewater system(s) shall meet all state and local regulations. The applicant shall provide a plan and report that identifies the following information:
1. The location of percolation test holes and results of percolation tests. The minimum number of percolation tests to be conducted for the proposed subdivision shall be determined by the city engineer or director of water and wastewater or designee;
2. A profile of the soil to a depth to bedrock, impervious material and/or groundwater or to a depth of eight feet, whichever is less, shall be provided for each lot.
H. The location of all existing wells within the proposed subdivision and/or the location of any wells not within the proposed subdivision but located within two hundred (200) feet of any part of the proposed subdivision shall be provided.
I. A topographic map with contours at intervals not greater than five feet shall be provided, unless waived by the city engineer or the director of streets or designee.
J. Grading and drainage plans will not ordinarily be required unless, in the judgment of the city engineer or the director of streets or designee, potential drainage problems exist.
K. Sidewalks may be required if the city council determines there is an overriding public safety concern such as the necessity to provide a safe and direct route to a public school.
L. The gradient for any street shall not exceed twelve (12) percent.
M. The intersection and approach area where vehicles wait to enter the intersection shall not exceed five percent gradient for a minimum of fifty (50) feet from the intersection. (Ord. 554 (part), 2002)