Disposition Summary

Approve the concept plan subject to 6 conditions.

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Staff Recommendation

Approve the concept plan subject to 6 conditions.

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1. Connection to sanitary sewer and meeting any other relevant utility provider requirements.
2. Obtaining approval from the Knox County Engineering and Public Works department during the design plan phase to increase the maximum intersection grade from 1 percent to 2 percent on the unnamed private ROW at its intersection with Black Rd.
3. Certifying that the required sight distance is available along Black Rd in both directions for all new driveways, with documentation provided to the Knox County Engineering and Public Works department for review and approval during the design plan phase. The sight distance shall be certified using design grades at the driveway entrances before grading permits are issued for the site.
4. Providing turnarounds for all new driveways on lots 1 to 6.
5. Meeting all applicable requirements of the Knox County Engineering and Public Works department, including, but not limited to, ensuring that the stormwater retention pond(s) meets the standards.
6. Before certification of the final plat for the subdivision, establishing a property owners association or other legal entity responsible for maintaining common facilities, such as common areas, amenities, and/or stormwater drainage systems.

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BACKGROUND: This proposal is for a 7-lot subdivision for single-family houses and a common lot for stormwater retention. The existing structures will remain along the rear portion of the property (lot 7, not labeled on the site plan).

The property consists of two existing parcels - 130 05805 and 130 05810. Both parcels received approval from the Planning Commission for a rezoning (A to PR up to 2.99 du/ac) and sector plan amendment (AG, HP to LDR, HP) in February 2024 (2-D-24-RZ / 2-A-24-SP). The County Commission approval is still pending, and the final approval of this rezoning request is anticipated on 3/25/2024. Since the lots are designed with the dimensional standards of the PR zone (peripheral boundary, setbacks, minimum lot size of 3000 sf), the concept plan and development plan will be valid only if the rezoning is approved.

PERIPHERAL BOUNDARY: The applicant is requesting a reduction of the peripheral boundary from 35' to 15' along the west side of lot 1 and the east side of lot 6, and to 20' along the front of lots 1-6, as shown on the site plan. Knox County Engineering and Public Works has confirmed that no road widening is anticipated on Black Road. However, Planning staff recommends approving the reduction of the peripheral setback to 25' along Black Road. This will be consistent with the Black Forest subdivision across the street, for which the Planning Commission approved a 25' peripheral boundary along Black Road in 2015 (1-SD-15-C / 1-G-15-UR). Furthermore, the Black Forest subdivision has a greater right-of-way dedication (more than 30' from the center line of Black Road while the subject property is less than 20' away from the center line). Therefore, the recommended 25' peripheral setback will be more appropriate than the requested reduction to 20'.

DRIVEWAYS: The proposed concept plan does not show any driveways for lots 1 to 6. All new driveways need to ensure required sight distance and suitable turnarounds are provided, and this is a condition of the concept plan approval.

STORMWATER RETENTION: A preliminary stormwater retention pond is shown on the site plan without a grading/drainage plan. This can be handled during the final plan phase.