(A) Monuments and markers.
(1) Monuments and markers shall be placed so that the center of the pipe or marked point shall coincide exactly with the intersection of lines to be marked, and shall be set so that the top of the monument or marker is level with the finished grade; and
(2) Monuments shall be set:
(a) At the intersection of lines forming angles in the boundary of the subdivision; provided, that not more than eight such monuments shall be required;
(b) At the intersection of the centerlines of all streets and also at the center points of all cul-de-sac turnarounds;
(3) Markers shall be set:
(a) At the beginning and ending of all curves along street property lines;
(b) At all points where lot lines intersect curves, either front or rear;
(c) At all angles in property lines of lots; and
(d) At all lot corners not established by monuments.
(4) Monuments shall be of stone, precast concrete, or concrete poured in place with minimum dimensions of four inches by 30 inches set vertically in place. They shall be marked on top with iron or copper dowel set flush with the top of the monument, or deeply scored on top with a cross. Markers shall consist of iron pipes or steel bars at least 30 inches long, and not less than five-eighths inches in diameter.
(1995 Code, § 15-166)
(B) Street improvements.
(1) Streets (and alleys where provided) shall be completed to grades shown on plans, profiles, and cross-sections, provided by the subdivider, and prepared by a registered professional engineer and approved by the Council.
(2) The streets shall be graded, surfaced, and improved to the dimensions required by such plans, profiles and cross-sections and the work shall be performed in the manner prescribed in Standard Specifications for Road and Bridge Construction and Maintenance, current issue, of the State Department of Transportation. References in the following provisions refer to the S.H.C. of I. Standard Specifications.
(3) (a) The street pavement shall be of a portland cement concrete or a flexible pavement of a width as shown by the illustration “Boone County Thoroughfare Cross-Sections”, dated 1976, and shall be constructed in accordance with design characteristics at least equal to those given below; except as modified by division (B)(4) below.
Design Characteristics of Street and Alley Pavements | |||
Kind of Pavement and Thickness | Primary | Secondary | Feeder and Residential |
Design Characteristics of Street and Alley Pavements | |||
Kind of Pavement and Thickness | Primary | Secondary | Feeder and Residential |
Base-compacted aggregate or water bound macadam | 10 inches | 6 inches | 4 inches |
Binder-asphaltic concrete or bituminous coated blended aggregate | 2 inches | 2 inches | 2 inches |
Portland cement concrete uniform thickness flexible | 8 inches | 7 inches | 6 inches |
Subbase type | 6 inches | 6 inches | 4 inches |
Surface-asphaltic concrete type “B” | 1-1/2 inches | 1-1/2 inches | 1 inch |
Total thickness | 19-1/2 inches | 15-1/2 inches | 11 inches |
(b) Material types as set out in State Department of Transportation’s Specifications, secondarily street design to be used on feeder streets serving industrial or commercial development.
(4) Where primary and secondary streets are located within the subdivision as specified in the official thoroughfare plan as established by this chapter, the subdivider will construct such street pavement in accordance with the requirements for feeder streets set forth in division (B)(3) above. For the purpose of constructing primary and secondary street pavements according to the design characteristics set forth in division (B)(3) above, the Council may use funds available for such purposes to participate with the subdivider in the cost of such construction; provided, however, that such participation shall be limited to that cost which is additional to the cost of constructing the required feeder street improvements.
(5) Prior to placing the street and alley surfaces, adequate drainage for the street shall be provided by the subdivider. Culvert drainage pipe, when required, shall be coated corrugated metal pipe or a similar type not less than 12 inches in diameter approved by the Council. Upon the completion of the street and alley improvements, plans and profiles as built shall be filed with the Council. Longitudinal subgrade drainage shall be provided below the depth of the subgrade.
(1995 Code, § 15-167)
(C) Sewers.
(1) The subdivider shall provide the subdivision with a complete sanitary sewer system which shall connect with an existing approved sanitary sewer outlet.
(2) The plans for the installation of a sanitary sewer system shall be provided by the subdivider and shall be certified by a registered professional engineer. The plans shall be approved by the Council. Upon completion of the sanitary sewer installation, the plans for such system as built shall be filed with the Utility Board.
(3) In this section and division (D) below, the phrase THE SUBDIVIDER SHALL PROVIDE shall be interpreted to mean that the subdivider shall install the facility referred to, or whenever a private sewage disposal system or an individual water supply is to be provided, that such facilities referred to in these sections shall be installed by the developer of the lots in accordance with these regulations.
(1995 Code, § 15-168)
(D) Water.
(1) The subdivider shall provide the subdivision with a complete water supply system which shall connect with an existing approved water supply system outlet.
(2) The plans for the installation of a water supply system shall be provided by the subdivider and shall be certified by a registered professional engineer. The plans shall be approved by the Council. Upon completion of the water supply system, the plans for such system as built shall be filed with the Utility Board.
(1995 Code, § 15-169)
(E) Storm drainage.
(1) (a) The subdivider shall provide the subdivision with an adequate stormwater sewer system whenever curb and gutter is installed and whenever the evidence available to the Council indicated that natural surface drainage is inadequate. When the surface drainage is adequate, easements for such surface drainage shall be provided. Curbs and gutters along streets are required, however, if the Council finds it necessary to waive this requirement, a shallow swale with its low point at least three inches below the elevation of the subgrade of the pavement shall be installed.
(b) In this case, one of the following types of improvements shall be furnished at driveway crossings:
1. A corrugated metal pipe, at least 12 inches in diameter and 14 feet in length to be placed where required for each driveway; or
2. A properly dipped or swaled concrete pavement, 24 feet in length, six feet in width and six inches thick, designed so as not to create hazard to the under parts of automobiles, at the entrance of each driveway.
(2) The plans for the installation of a storm drainage system shall be provided by the subdivider and shall be certified by a registered professional engineer. The plans shall be approved by the Council. Upon completion of the storm drainage system, the plans for such system as built shall be filed with the Utility Board.
(1995 Code, § 15-170)
(F) Curb and gutter.
(1) The Council shall require curb and gutter to be installed on each side of the street surface.
(2) The curb and gutter shall be constructed according to the following specifications.
(a) The base for the curb and gutter shall be well-compacted on the existing base or grade.
(b) All gutters and curbs shall be constructed in accordance with the Standard Specifications of the State Department of Transportation.
(1995 Code, § 15-171)
(G) Sidewalks.
(1) The Council shall require sidewalks to be installed on each side of the street.
(2) When sidewalks are required, they shall be constructed of Portland cement concrete, at least four inches thick, and four feet wide and placed as shown by the illustration in division (B)(3)(a) above.
(1995 Code, § 15-172)
(H) Street signs. The subdivider shall provide the subdivision with standard county, city, or town street signs at the intersection of all streets.
(1995 Code, § 15-173) Penalty, see § 152.99