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. Installation of sidewalks as identified on the 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.
4. All closed contours/sinkholes and the 50' setback around the feature shall be shown on the final 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 and submitted to Knox County Department of Engineering and Public Works prior to submission of the final plat 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. Building 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 of the Knox County Department of Engineering and Public Works.
6. Installation of the street improvements as requested by the Tennessee Department of Transportation (TDOT) Traffic Office on September 25, 2017 to include a left turn lane on SR-170 (E Raccoon Valley Rd) into the subdivision. The TIS mentions sight distance as a minimum of 400', but TDOT has requested the intersection sight distance of 445' as required by AASHTO.
7. The boundary for the "550' Hillside Buffer" shall be clearly marked in the field prior to any site clearing or grading in order to identify the limits of disturbance and protect that area.
8. On the final plat, the "550' Hillside Buffer" shall be clearly identified and the deed for Lot 34 shall prohibit clearing and grading within that area.
9. Placing a note on the final plat that all lots will have access only to the internal street system.
10. A final plat application based on this concept plan will not be accepted for review by the MPC until certification of design plan approval has been submitted to the MPC staff.

Staff Recommendation

APPROVE the Concept Plan subject to 10 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. Installation of sidewalks as identified on the 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.
4. All closed contours/sinkholes and the 50' setback around the feature shall be shown on the final 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 and submitted to Knox County Department of Engineering and Public Works prior to submission of the final plat 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. Building 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 of the Knox County Department of Engineering and Public Works.
6. Installation of the street improvements as requested by the Tennessee Department of Transportation (TDOT) Traffic Office on September 25, 2017 to include a left turn lane on SR-170 (E Raccoon Valley Rd) into the subdivision. The TIS mentions sight distance as a minimum of 400', but TDOT has requested the intersection sight distance of 445' as required by AASHTO.
7. The boundary for the "550' Hillside Buffer" shall be clearly marked in the field prior to any site clearing or grading in order to identify the limits of disturbance and protect that area.
8. On the final plat, the "550' Hillside Buffer" shall be clearly identified and the deed for Lot 34 shall prohibit clearing and grading within that area.
9. Placing a note on the final plat that all lots will have access only to the internal street system.
10. A final plat application based on this concept plan will not be accepted for review by the MPC until certification of design plan approval has been submitted to the MPC staff.

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Disposition Summary

APPROVE the Concept Plan subject to 10 conditions

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Details of Action

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. Installation of sidewalks as identified on the 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.
4. All closed contours/sinkholes and the 50' setback around the feature shall be shown on the final 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 and submitted to Knox County Department of Engineering and Public Works prior to submission of the final plat 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. Building 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 of the Knox County Department of Engineering and Public Works.
6. Installation of the street improvements as requested by the Tennessee Department of Transportation (TDOT) Traffic Office on September 25, 2017 to include a left turn lane on SR-170 (E Raccoon Valley Rd) into the subdivision. The TIS mentions sight distance as a minimum of 400', but TDOT has requested the intersection sight distance of 445' as required by AASHTO.
7. The boundary for the "550' Hillside Buffer" shall be clearly marked in the field prior to any site clearing or grading in order to identify the limits of disturbance and protect that area.
8. On the final plat, the "550' Hillside Buffer" shall be clearly identified and the deed for Lot 34 shall prohibit clearing and grading within that area.
9. Placing a note on the final plat that all lots will have access only to the internal street system.
10. A final plat application based on this concept plan will not be accepted for review by the MPC until certification of design plan approval has been submitted to the MPC staff.