(A) General. The subdivider shall install the following improvements and such improvements shall be at no cost to Surry County. No improvements shall be installed until construction plans have been approved by such agency as may be appropriate or as required by law. The subdivider shall furnish to the Subdivision Administrator a written statement certifying that all required improvements have been installed and have been inspected and approved by the appropriate agency prior to final plat approval. The Subdivision Administrator shall not approve any final plat for recording without receiving the written certificate from the subdivider. Written statements from the appropriate regulatory agency, or a certification from the subdivider's engineer or professional land surveyor, as appropriate, may serve as the written certification of required improvements.
(B) Street improvements.
(1) All subdivision streets to be developed under this chapter shall meet NCDOT standards for subdivision streets so that they may be accepted into the state's street system when all conditions of acceptance have been met. Until such time that the state accepts a subdivision street, the maintenance of the street shall be the responsibility of the property owners or the developers and shall not be the responsibility of Surry County. Streets shall be maintained as provided herein or be subject to penalties set forth in this chapter.
(2) All proposed streets shall be cleared and developed to the full width of the right-of-way and improved with a pavement width and side ditch section as required for the classification of street in accordance with NCDOT standards. All grading and pavement (curb and gutter, if provided) shall be designed and installed in accordance with NCDOT standards, and the approved construction plan referenced in the North Carolina Department of Transportation Division of Highways Subdivision Roads: Minimum Construction Standards, as amended.
(3) In addition, street paving, in accordance with the above conditions, shall be installed in the following situations:
(a) Any existing street segment that has not been accepted for maintenance by NCDOT, and that is to serve as the required frontage for one or more lots created pursuant to this chapter shall be improved and dedicated to the public, as provided for above, in such a way that the street segment meets the standards of this chapter for the classification of street, including right-of-way width. Such street segment shall be directly connected to the existing public street system by way of at least one public street maintained by the NCDOT. No subdivision shall be permitted on any street that is isolated by not being connected directly to the public street system.
(b) NCDOT or the county may require pavement and widening for turning lanes along any existing or proposed street that forms a significant entrance to a proposed subdivision, where in the opinion of the Board such improvements are necessary for safe vehicular movement into and out of the proposed subdivision.
(c) In cases where a street is stubbed into adjoining property for future extension and such street serves as the frontage for one or more lots which are not corner lots, the Planning Board may require the pavement of a temporary turn-around in a form similar to a cul-de-sac or L, Y and T intersection turn-around on such street where in their opinion such turn-around is necessary for the public convenience, safety and service. Temporary easements for such purposes may be required.
(4) The subdivision developer and the NCDOT shall submit a joint notarized statement to the Planning Board through the Subdivision Administrator stating the road meets required construction compliance as stated in this subchapter, in compliance with Subdivision Roads: Minimum Construction Standards, as amended.
(C) Storm drainage improvements.
(1) A comprehensive storm drainage system shall be planned and implemented for each subdivision. The general storm drainage plan shall be shown on the preliminary plan. Detailed plans where required shall be submitted as part of the construction plan requirement. Where easements are required, they shall be noted on the final plat. The Subdivision Administrator shall be responsible for reviewing the storm drainage plans and referring them to other county staff members and agencies as required.
(2) Storm drainage plans shall be considered on an individual basis depending upon the situation within a given subdivision. The requirements of §§ 154.017 shall apply to storm drainage design where applicable. Generally, the following standards shall apply:
(a) Types of drainage ways requiring treatment;
(b) Those draining one acre of land or more;
(c) Those carrying stormwater runoff from public streets whether existing or proposed; and
(d) Those carrying stormwater runoff from large impervious surfaces other than streets.
(3) Design storms.
(a) Open drainage channel: 25-year storm.
(b) Enclosed systems: ten-year storm for collectors and 25-year storm for street crossing conduits and immediate downstream areas; and
(c) One-hundred-year storm where required by §§ 154.017.
(4) Types of treatment:
(a) Enclosed subsurface drains;
(b) Open, unimproved channel; and
(c) Open, improved channel.
(5) Easements. Maintenance easements may be required depending upon the size of the drainage way and the maintenance responsibility.
(D) Drinking water improvements. In any case where a public drinking water system and/or supply system is proposed to be installed in a subdivision as part of the plan approval process, such system shall be a "required improvement" within the context of this subchapter, and such system shall be required to be installed by the subdivider. This requirement includes both facilities within the subdivision and off-site facilities, which are essential to providing the service to the property.
(E) Sanitary sewerage improvements. In any case where a public sanitary sewerage system and/or treatment system is proposed to be installed in a subdivision as part of the plan approval process, such system shall be a "required improvement" within the context of this subchapter, and such system shall be installed by the subdivider. This requirement includes both facilities within the subdivision and off-site facilities, which are essential to providing the service to the property.
(F) Septic tanks. In any case where septic tanks are proposed to be installed in a subdivision as part of the plan approval process, such system shall be a "required improvement" within the context of this subchapter. Permits must be submitted as a portion of the construction improvement plan before final plat approval can occur.
(G) Utilities. Electric power, telephone, cable television, natural gas lines and other utilities which are proposed to be installed in the subdivision, and which are required to be shown on construction plans are not "required improvements" within the context of this subchapter. Since the installation of such improvements are by agreement between the subdivider and the appropriate utility company, the execution of such agreements between the subdivider and the utility companies are deemed to satisfy the construction and installation requirements of this subchapter if they are installed in the public right-of-way or easement in accordance with NCDOT standards for such installations.
(H) Street signs. The subdivider shall purchase street name signs from the Surry County Public Works Department. The county will install the signs at appropriate locations in accordance with the standards and specifications of Surry County and the NCDOT. The subdivider may, however, with the approval of the Subdivision Administrator of design and material, install a different street name sign type at no cost to the county. In such case, the subdivider or his or her successors or assignees shall be responsible for replacing such signs in instances of loss, damage, or deterioration; otherwise, the county will replace such signs with its standard sign.
(I) Traffic control signs and signals. The subdivider shall install traffic-control signs and pavement markings in accordance with the standards and specifications of the North Carolina Department of Transportation.
(J) Monuments. The subdivider shall install such monuments and other property markers as are required by G.S. Ch. 39, Art. 5A, and as are specified by the "Standards of Practice for Land Surveying" in North Carolina.
(Ord. passed 4-17-2023)