Staff Recommendation

APPROVE variances 1-9 because the site's existing access and topography restricts compliance with the Subdivision Regulations, and the proposed variances will not create a traffic hazard.

APPROVE the Concept Plan subject to 14 conditions

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1. Connection to sanitary sewer and meeting any other relevant requirements of the Knox County Health Department.
2. Provision of street names which are consistent with the Uniform Street Naming and Addressing System within Knox County (Ord 91-1-102).
3. Implementation of any recommended improvements identified in the Transportation Impact Study prepared by Ajax Engineering, dated February 25, 2019 and as approved by the Knox County Department of Engineering and Public Works and Planning staff.
4. Placing a note on the final plat that all structures will have to be located at least 50' from the top of the sinkholes (closed contour areas) identified on the plat. Building construction within the 50' setback may be permitted if a geotechnical study prepared by a registered engineer states that building within the 50' sinkhole buffer is acceptable and the study is approved by the Knox County Department of Engineering and Public Works. The geotechnical study must be completed prior to final plat approval for any lots that do not have a building area outside of the 50' setback area. A 5' drainage easement extending outside of the uppermost closed contour is required. Construction is not permitted within the hatchered contour area of the sinkhole or the drainage easement. Engineered footings may be required for any structures within the 50' sinkhole buffer.
5. Meeting all applicable requirements and obtaining all required permits from the Tennessee Department of Environment and Conservation for any alteration to the sinkholes.
6. Revising the concept plan to provide a cul-de-sac turnaround at the western end of Road B (stub-out street to adjoining property) subject to approval of the Knox County Department of Engineering and Public Works.
7. The final plat shall include a notation that the western end of Road B is designed as a stub-out street that will extend into the adjoining property if it is developed as a subdivision. At a minimum the notation must be identified on the plat at the street ending.
8. Revising the concept plan to provide sidewalks on both sides of Road A for the entire length of the street, including street crossings; providing the sidewalk on Road B east of Road A on the south and east side (instead of the north and west side of the street east of Road C); and moving the sidewalk on Road C to the west side of the street.
9. Installation of sidewalks as identified on the revised concept plan. Sidewalks shall meet all applicable requirements of the Americans with Disabilities Act (ADA) and the Knox County Department of Engineering and Public Works. A bond shall be provided to the Knox County Department of Engineering and Public Works by the developer in an amount sufficient to guarantee the installation of the sidewalks.
10. Revising the street profiles so that no street grades will be less than a 1% slope.
11. Revising the intersection grade for Road C at Road B to a maximum grade of 4%.
12, Meeting all applicable requirements of the Knox County Department of Engineering and Public Works.
13. Prior to certification of the final plat for the subdivision, establishing a property owners association that will be responsible for maintenance of the private street at the northern end of Road A, common area, recreational amenities and drainage system.
14. Submitting to Planning staff prior to final plat review by the Planning Commission, the certification of design plan approval form as required by the Knoxville-Knox County Subdivision Regulations.

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Disposition Summary

APPROVE variances 1-9 because the site's existing access and topography restricts compliance with the Subdivision Regulations, and the proposed variances will not create a traffic hazard.

APPROVE the Concept Plan subject to 14 conditions