Chapter 17.30


17.30.010    Number of copies.

17.30.020    Referral of final plat.

17.30.030    Contents of final plat.

17.30.040    Accompanying material.

17.30.050    Review by the Planning and Zoning Commission.

17.30.060    Action by the Board.

17.30.070    Improvements.

17.30.010 Number of copies.

Within one year of approval of the preliminary plat, or extension thereto, by the Board of Supervisors, the subdivider shall submit eight copies of the final plat for review by the Zoning Administrator. [Ord. 39 § 6(A), 1996. Code 2009 App. B, § 6(A).]

17.30.020 Referral of final plat.

The Zoning Administrator shall refer one copy each to the County Auditor, County Recorder, County Assessor, County Engineer, County Board of Health, the Natural Resources Conservation Service, and to any city within two miles of the subdivision for their comments and recommendations. Each of the aforementioned offices shall examine the plat as to its compliance with the laws and regulations of Black Hawk County and submit their findings to the Zoning Administrator as soon as possible, but within 30 days. [Ord. 39 § 6(B), 1996. Code 2009 App. B, § 6(B).]

17.30.030 Contents of final plat.

Final plats shall contain, include, or show the following requirements:

A. Name of subdivision and developer.

B. Plats shall be drawn on sheets not larger than 24 inches by 36 inches. The scale of the plat, preferably one inch equals 100 feet, shall be clearly stated and graphically illustrated by a bar scale on every plat sheet. Larger subdivisions that require more than one sheet shall show match lines and references.

C. An arrow indicating the northern direction.

D. Curve data including delta angle, length of arc, degree of curve, and the length and direction of the chord.

E. Boundary lines of subdivided area with accurate distances, bearings, and boundary angles. The unadjusted error of closure shall not be greater than one in 10,000 for subdivision boundaries and shall not be greater than one in 5,000 for an individual lot. The areas of irregular lots within the plat shall be shown and may be expressed in either acres to the nearest one-hundredth acre, or square feet to the nearest 10 square feet.

F. Exact name, location, width, and designation of all streets within the subdivision. Additionally, alleys, private streets, parks, open areas, school property, other areas of public use, or areas within the plat that are set aside for future development or any other use shall be assigned a progressive letter and have the proposed use clearly designated.

G. The purpose of any easement shown on the plat shall be clearly stated and shall be confined to only those easements pertaining to public utilities including gas, power, telephone, water, sewer, and such drainage or access easements as are deemed necessary for the orderly development of the land encompassed within the plan. All such easements relative to their usage and maintenance shall be approved by the Planning and Zoning Commission prior to the recording of the plat.

H. Building setback lines with dimensions.

I. Legal description of the property being subdivided.

J. Lot numbers.

K. Certificate of survey.

L. Description and location of all permanent monuments set in the subdivision, including ties to original government corners.

M. A table listing coordinate values for all property corners (based on the Iowa State Plane System, Northern Zone). [Amended during 2014 recodification; Ord. 75, 2002; Ord. 39 § 6(C), 1996. Code 2009 App. B, § 6(C).]

17.30.040 Accompanying material.

A. Any restrictive covenants shall be submitted for review and recommendation by the County Attorney.

B. A dedication or easement to the County for any property intended for public use.

C. A proposed schedule of improvements to be made.

D. Detailed schematics of the sanitary sewer system. The Black Hawk County Health Department shall review and make a recommendation if the system is in accordance and meets the requirements of the Black Hawk County Board of Health prior to submission of the final plat. [Ord. 75, 2002; Ord. 39 § 6(D), 1996. Code 2009 App. B, § 6(D).]

17.30.050 Review by the Planning and Zoning Commission.

The Planning and Zoning Commission shall review the final plat in the same manner that they addressed preliminary plats, Chapter 17.25 BHCC, and forward its recommendation to the Board of Supervisors. [Ord. 39 § 6(E), 1996. Code 2009 App. B, § 6(E).]

17.30.060 Action by the Board.

A. Upon receipt of the final plat and the required documents from the Commission, the Board will consider the recommendations of the reviewing offices. The Board shall approve or disapprove the final plat by resolution.

B. The Board may refuse to approve any plats for proposed subdivisions which include improvements or facilities that are subject to regulations and ordinances of the County Board of Health unless such improvements or facilities have been approved by that Department. The Board may disapprove a final plat for lots to be served by residential on-site sewage treatment systems which includes any lot having an area less than the minimum area required by such applicable regulations and ordinances. In case of disapproval, it shall give written reasons therefor.

C. The passage of a resolution by the Board accepting the plat shall constitute final platting approval of the area shown on the final plat. The subdivider or owner shall cause such plat to be recorded as required by Iowa Code Chapter 354, before the County shall recognize the plat as being in full force and effect. In addition six copies of the approved final plat and adopting resolution as well as one copy of the completed plat proceedings with restrictive covenants shall be submitted to the Zoning Administrator. [Ord. 39 § 6(F), 1996. Code 2009 App. B, § 6(F).]

17.30.070 Improvements.

A. All standards and improvements described in Chapter 17.15 BHCC shall be installed in accordance with the approved plans and specifications after acceptance of the final plat by the Board of Supervisors and recording with the County Recorder. All improvements shall be inspected by the developer’s engineer and certified to the Board of Supervisors without cost to the County.

B. Subdivisions may be developed in phases.

C. After acceptance of the final plat by the Board of Supervisors and recording with the Recorder, the developer shall enter into an agreement with the Board of Supervisors to ensure the completion of the improvements within a specific time period. The agreement shall specify the improvements to be constructed, the schedule for completion of construction (each phase not to exceed three years) and shall be accompanied with a performance bond, corporate surety bond, cash, or other surety approved by the County Attorney in an amount equal to 100 percent of the estimated cost of said improvements.

D. The owner and subdivider of the land being platted shall be required to provide to the County property maintenance bonds, or other means satisfactory to the County Engineer and County Attorney, so as to insure that for a period of two years from the date of acceptance and completion of any improvement, the owner and subdivider shall be responsible to maintain the improvements in good repair. [Ord. 39 § 6(G), 1996. Code 2009 App. B, § 6(G).]