The final plan of the subdivision shall conform to the following standards of improvements.
(A) Monuments and markers. Monuments and markers shall be placed so that the scored 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 is level with the surface of the surrounding ground.
(1) Monuments shall be set in the following locations:
(a) At the intersection of all lines forming angles in the boundary of the subdivision;
(b) At the intersection of street property lines;
(c) At the beginning and ending of all curves along street property lines;
(d) At all points where lot lines intersect curves, either front or rear;
(e) At all angles in property lines of lots; and
(f) At all other lot corners.
(2) Monuments shall be of concrete or stone with a minimum size of four inches by four inches by three feet, and shall be marked on top either with an iron or copper dowel set flush with the top of the monument or a cross scored deeply on top. Markers shall consist of iron pipes or steel bars at least three feet long, and not less than one inch in diameter.
(B) Streets. Streets and alleys shall be completed to grades shown on plans, profiles and cross-sections prepared by the subdivider and approved by the town’s Plan Commission.
(1) The streets shall be graded, surfaced and improved to the dimensions required by the cross-sections and the work shall be performed in the manner prescribed in Standard Specifications for Road and Bridge Construction and Maintenance - 1952 of the state’s Highway Commission. References in divisions (B)(2) through (B)(4) below refer to the state’s Highway Commission standards specifications.
(2) As a minimum, the streets shall be surfaced to a width of 24 feet; however, marginal access streets or cul-de-sacs may have a surfaced width of not less than 20 feet.
(3) The streets are to be constructed with plain portland cement concrete having a seven and one-half-inch by five-inch by seven and one-half-inch thickened-edge balanced design; a six-inch uniform thickness in accordance with division (D)(1) below; a flexible-type pavement with a two-inch subgrade fine aggregate and six-inch water-bound macadam base in accordance with division (C)(2) below; and three inches of bituminous-coated aggregate surface in accordance with division (D)(4) below.
(4) Prior to placing the street surface, adequate sub-surface drainage for the street shall be provided by the subdivider. Sub- surface drainage structures, when required, shall be not less than 12 inches in diameter. Upon the completion of the street and alley improvements, plans and profiles as built shall be filed with the Commission.
(C) Sewers.
(1) The subdivider shall provide the subdivision with a complete sanitary sewer system, which shall connect with a sanitary sewer outlet approved by the state’s Board of Health.
(2) When an approved outlet is not available, one of the following methods of sewage disposal shall be used.
(3) A complete sanitary sewer system to convey the sewage to a treatment plant shall be provided by the subdivider in accordance with minimum requirements of the state’s Board of Health.
(4) In the alternative, a private sewage disposal system on individual lots, consisting of a septic tank and tile absorption field or other approved sewage disposal system, when laid out in accordance with minimum standards of the state’s Board of Health, shall be provided.
(a) The plans for the installation of a sanitary sewer system shall be prepared by the subdivider and approved by the state’s Board of Health. Upon the completion of the sanitary sewer installation, the plans for the system as built shall be filed with the Commission.
(b) In this division (C), 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 the subdivider shall require, as a condition of the sale of each lot or parcel in the subdivision, that the facilities referred to in this division (C) shall be installed by the developer of the lots in accordance with these regulations.
(D) Water.
(1) The subdivider shall provide the subdivision with a complete water main supply system, which shall be connected to a municipal or community water supply approved by the state’s Board of Health.
(2) However, when the municipal or community water supply is not available, the subdivider shall provide an individual water supply on each lot in the subdivision in accordance with minimum requirements of the state’s Board of Health.
(a) The plans for the installation of a water main supply system shall be prepared by the subdivider and approved by the state’s Board of Health. Upon the completion of the water supply installation, the plans for the system as built shall be filed with the Commission.
(b) In this division (D), 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 the subdivider shall require, as a condition of the sale of each lot or parcel in the subdivision, that the facilities referred to in this division (D) shall be installed by the developer of the lots in accordance with these regulations.
(E) Storm drainage.
(1) The subdivider shall provide the subdivision with an adequate storm water sewer system whenever the evidence available to the Commission indicates that the natural surface drainage is inadequate.
(2) When the surface drainage is adequate, easements for surface drainage shall be provided.
(F) Curb and gutter.
(1) The Commission shall require curb and gutter to be installed on each side of the street surface.
(2) The curb and gutter shall be of one of the construction types shown in App. A of this chapter and shall be constructed according to the following specifications.
(a) The curb shall be built separately from the street.
(b) The base for the curb shall be well-compacted on the existing base or grade.
(c) Minimum specifications shall be as the three types of cross- sections shown in App. A of this chapter.
(d) Minimum five and one-half bar concrete, 4200# test compressive stretch, shall be used; however, state specifications shall rule.
(G) Sidewalks.
(1) The Commission shall require the installation of sidewalks on each side of the street.
(2) Sidewalks shall be constructed of portland cement concrete, at least four inches thick and four feet wide, and placed one foot from the street property line, also six inches thick at curb cuts under private driveways.
(H) Street signs. The subdivider shall provide the subdivision with standard town street signs at the intersection of all streets.
(I) Street trees.
(1) The subdivider shall provide the subdivision with street trees planted at intervals of 40 to 60 feet between street intersections and on both sides of each street.
(2) The position of the trees in the street shall be determined by the Commission.
(Prior Code, § 153.15) (Ord. 2-1957, passed - -)