§ 22-01-040. Procedure for approval of street, utility, grading plans and the final plat (SUG and FP).

Plans and data for SUG and FP approval:

(1)

Topographic data required as a basis for the SUG plans shall include existing conditions as follows:

a.

Boundary lines: bearings and distances;

b.

Easements: location, width and purpose;

c.

Streets on and adjacent to the tract: name and right-of-way width and location, type, width and elevation of surfacing, any legally established center line elevations, walks, curbs, gutters, culverts;

d.

Utilities on and adjacent to the tract: location, size and invert elevation of sanitary, storm and combined sewers, location and size of water mains, location of gas lines, fire hydrants, electric and telephone poles, and street lights. If water mains and sewers are not on or adjacent to the tract, indicate the direction and distance to, and size of nearest ones, showing invert elevation of sewers;

e.

Ground elevations on the tract based on a U.S. Coast and Geodetic Survey datum plane, also all drainage channels or swales, and at selected points not more than one hundred (100) feet apart in all directions. For land that slopes less than three (3) percent contours shall be at one-foot intervals, three (3) percent to eleven (11) percent contour interval of two-foot, more than eleven (11) percent the contour interval shall be five-foot.

f.

Soil percolation tests if individual sewage disposal systems are proposed;

g.

Other conditions on the tract: watercourse, rock out-crop, and other significant features;

h.

Other conditions on adjacent land within fifty (50) feet: approximate direction and gradient of ground slope, including any embankments or retaining walls, character and location of buildings, railroads, power lines, towers and other nearby nonresidential land uses or adverse influences, owners of adjacent un-platted land; for adjacent platted land refer to the subdivision plat by name, recordation date and number, and show approximate percent built-up and typical lot size.

i.

Zoning on and adjacent to the tract.

j.

Proposed public improvements per the comprehensive plan.

k.

Location map showing location of the tract.

l.

Title and certificate: present tract designation according to official records in office of appropriate recorder, title under which proposed subdivision is to be recorded, with names and addresses of owners, notation stating acreage, scale, north arrow, datum, benchmarks, the appropriate certification of either a professional engineer or land surveyor and date of survey.

(2)

Street, utility and grading plans shall be at a scale of one hundred (100) feet to one (1) inch or larger. It shall show:

a.

Streets: names, right-of-way and roadway widths, approximate grades and gradients, similar data for alleys, if any;

b.

Other rights-of-way or easements: location, width and purpose;

c.

Location of utilities, if not shown on other exhibits;

d.

Lot lines, lot numbers, and block numbers;

e.

Sites, if any, to be dedicated for parks, playgrounds or other public uses;

f.

Sites, if any, for multi-family dwellings, shopping centers, churches, industry or other nonpublic uses exclusive of single-family dwellings;

g.

Front building setback lines and site data, including number of residential lots, typical lot size and acres in parks;

h.

Scale, north arrow and date;

i.

Proposed subdivision name.

1.

The name of the subdivision shall not conflict with that of any other subdivision in the county.

2.

If several plats of a subdivision are to be filed as the development of a large area progresses, the first plat shall bear the name of the subdivision and the words "Unit One." The second and following plats shall bear the name of the subdivision and shall be numbered in consecutive order as "Unit Two" and so forth.

3.

If the subdivision is to be identified as a re-plat of a subdivision and the same subdivision name is to be maintained, the re-plats shall be labeled consecutively, "A," "B," "C," and so forth.

4.

Once a subdivision name and unit number have been submitted and accepted for processing, the name or number shall not be changed without the concurrence of the city.

(3)

The SUG plans shall be accompanied by profiles showing existing ground surface and proposed street grades, including extensions for a reasonable distance beyond the limits of the proposed subdivision, typical cross sections of the proposed grading, roadway and sidewalk, and the proposed sanitary and storm water sewers, sewers with grades and sizes indicated. Profiles of streets and utilities shall be drawn to a scale no smaller than one (1) inch to fifty (50) feet horizontally, and a vertical scale of one (1) inch equals five (5) feet for slopes up to three (3) percent and one (1) inch equals ten (10) feet for slopes greater than three (3) percent. Cross sections of streets and utilities shall be drawn to a scale no larger than one (1) inch to five (5) feet horizontally one (1) inch to five (5) feet vertically.

(4)

Drainage requirements for existing properties:

a.

Existing properties less than three (3) acres:

1.

Provide plot plan with existing ground elevations, and/or contours. Proposed finish grade elevations and finish floor elevations, flow line and top of curb elevations on adjacent streets.

2.

Show proposed improvements and disposition of surface runoff.

3.

Provide drainage report based on the ten-year storm, showing pre-developed and developed runoff conditions.

b.

Existing properties larger than three (3) acres:

1.

Provide plot plan with existing ground elevations, and/or contours. Proposed finish grade elevations and finish floor elevations, flow line and top of curb elevations on adjacent streets.

2.

Show proposed improvements and the disposition of surface runoff.

3.

Provide drainage report based on the ten-year storm, showing pre-developed and developed runoff conditions.

4.

On-site storm water detention or retention required if impervious surfaces will exceed sixty (60) percent of developed lot area. Developed runoff rate (cfs) not to exceed pre-development runoff rate.

(5)

Drainage requirements for new subdivisions and street construction or street re-construction:

a.

Provide grading and drainage plan with:

1.

Existing ground elevations, and/or contours.

2.

Proposed finish grade elevations, including house pads, street grades, top of curb and flow line elevations.

b.

Provide drainage report for the subdivision based on the ten-year and fifty-year storm.

c.

Street design capacity, within the subdivision, shall accommodate ten-year storm runoff within the curbs at full subdivision development.

d.

Street design capacity, within the subdivision, shall accommodate fifty-year storm runoff within curbs overtopped not more than six (6) inches at full subdivision development.

e.

Building pads shall be elevated no less than six (6) inches above the fifty-year storm runoff elevation, or not less than one (1) foot above the curb line, whichever is greater.

f.

Inverted-crown street sections may be used to accommodate these requirements, when approved by the city engineer.

(6)

Seven (7) copies of the SUG plans and supplementary material, as specified, shall be submitted to the city with the application and the required fee.

a.

City staff has ten (10) working days to review the SUG plans and other material submitted for conformity thereof to these regulations. On or before the tenth day, a meeting will be held with the subdivider, the subdivider's engineer, and city staff authorized as decision making staff to address staff comments. The subdivider and the subdivider's engineer will have five (5) working days to address staff comments and make changes to the SUG plans and turn the corrected information into the planning authority. Application and plans shall then be reviewed by the planning and zoning commission within five (5) working days. After review by the planning and zoning commission, the application and plans will be submitted to the city commission for consideration at the next available regular commission meeting.

b.

Upon approval by the city commission of the SUG and FP, the subdivider shall file and record the original final plat with the county clerk and recorder of the county, within ninety (90) days after approval. The subdivider shall further return one (1) electronic file and one (1) mylar reproducible, which clearly shows the recording data, to the city within thirty (30) days of filing the plat. If the final subdivision plat is not filed and recorded with the clerk of the county, and the required copies are not returned to the city, within ninety (90) days after receiving final approval, the subdivision shall revert to preliminary plat status without further notice or action by the city. After reversion to preliminary plat status, any subdivider who wishes to obtain final plat approval shall comply with the procedures set forth in chapter 22 for final plat approval and shall pay all applicable fees for final plat approval.

c.

No land shall be offered for sale by reference to such final plat until such has been approved by the city commission and recorded with the county clerk and recorder.

d.

The final plat shall be submitted for approval concurrently or within six (6) months after approval of the SUG, otherwise such approval shall become null and void unless an extension of time is applied for and granted by the city.

e.

Within thirty (30) days of completion of the construction of required subdivision improvements, one (1) set of stable base reproducibles and one (1) set of prints of the record documents for all utility improvements, within the subject subdivision, shall be filed with the public works department.

(Ord. No. 1197, § 6, 3-23-04)