Staff Recommendation

Approve the requested variance to reduce the minimum broken back curve tangent from 150-ft to 62.06-ft for Road 'B' from STA 3+66.43 to 4+28.49 based on the following evidence of hardship.
a. The reduction in tangent length for the broken-back curve is

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1. Connection to sanitary sewer and meeting any other relevant utility provider requirements.
2. Provision of a street name consistent with the Uniform Street Naming and Addressing System within the City of Knoxville (City Ord. 0-280-90).
3. Certifying that the required sight distance is available along Helmbolt Road and Francis Road, in both directions, with documentation provided to the Knoxville Department of Engineering during the design plan phase.
4. Confirm that the road design complies with AASHTO standards for the proposed design speed during the design plan phase, with review and approval by the Knoxville Department of Engineering.
5. Road 'A' must meet the design requirements of the Knoxville Department of Engineering and Fire Department, including but not limited to the travel lane and median widths of the boulevard and the design of the traffic circle.
6. The permissible location of all driveways within sight distance easements or lots with frontage on the traffic circle must be approved by the Knoxville Department of Engineering during the design plan phase and shown on the final plat.
7. Obtaining approval from the Knoxville Department of Engineering during the design plan phase to increase the maximum intersection grade from 1 percent to 3 percent for the Road 'B' intersection with Road 'A'.
8. Meeting all applicable requirements of the City of Knoxville Zoning Ordinance, including but not limited to the dimensional standards of the RN-2 (Single-Family Residential Neighborhood) zoning district and the rules of measurement for lots in Article 2.4.
9. Revising the shared permanent access easement (SPAE) that crosses and/or provides access to lots 29-34 to comply with the SPAE standards in Section 3.03.D. of the Subdivision Regulations so that no more than 5 lots are served by the SPAE, including any lot that the SPAE crosses that has frontage on a road (lot 29). This SPAE currently serves 6 lots.
10. If the City of Knoxville Board of Zoning Appeals approves the setback variance requests proposed on the "BZA Concept Plan" (sheet C1A), Planning and Knoxville Department of Engineering staff may approve the lot layout and shared permanent access easement (SPAE) design, consistent with the approved variances and the standards of the City of Knoxville Zoning Ordinance and the Subdivision Regulations. The subdivision shall not exceed 67 lots for single-family dwellings.
11. Identifying the location of the WOW! fiber optic line during the design plan phase and show all applicable easements on the final plat.
12. Meeting all applicable requirements of the Knoxville Department of Engineering.
13. Before certification of the final plat for the subdivision, establish 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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Disposition Summary

Approve the requested variance to reduce the minimum broken back curve tangent from 150-ft to 62.06-ft for Road 'B' from STA 3+66.43 to 4+28.49 based on the following evidence of hardship.
a. The reduction in tangent length for the broken-back curve is