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Applicant and consultants defend Darcy development traffic counts; board reviews sewer capacity and Kroger facades
Summary
At the work session the board heard a detailed traffic-study explanation from Barge Design’s Theresa Neal, who said the firm adjusted counts to reflect growth and modeled to 2029; staff confirmed Metro Water’s Oct. 2024 letter indicating sewer service compliance; commissioners also requested confirmation that revised Kroger facades and fuel center elevations are in the final pattern book.
Commissioners examined traffic and sewer capacity questions related to the Darcy development during the Dec. 16 work session.
Commissioner (Speaker 4) asked staff and the applicant about a citizen concern over sewer capacity. Staff (Speaker 2) confirmed that a Metro Water & Sewer letter dated Oct. 14, 2024, stated the property was in compliance with Metro service standards and that Metro reiterated that finding at a recent meeting.
Theresa Neal, traffic planner with Barge Design (Speaker 11), explained the traffic-volume methodology used for the development’s traffic study. She said staff and consultants updated older counts by applying growth factors: because some counts were collected during the COVID period, the consultant reviewed TDOT annual average daily traffic (ADT) and applied conservative growth assumptions. Neal said the study grew historical counts to represent "existing" volumes (describing an initial 12% aggregate adjustment in one phase) and then applied 4% annual growth out to the project build year of 2029. "So we actually grew at 12% to get to the existing volumes...Then our build year is out to 2029. So we grew at 4% per year out to 2029," she said, and described mitigation measures the applicant proposes, including additional turn lanes at key accesses.
Commissioners asked whether TDOT had reviewed and accepted the lane additions proposed for Nolensville Road; Neal and staff said TDOT had reviewed the study, was comfortable with the proposed changes to the signal and lane geometry, and requested only minor realignment at an access. Neal said some capacity requests on Williams Road fall under the city’s jurisdiction and not the state, and that the city-requested eastbound left-turn lane was added even where the study did not strictly require it.
Separately, commissioners sought assurance that revised facade elevations for the Kroger building and the fuel station (required by the PD) were included in the revised pattern book. Staff and the applicant agreed to confirm the final, revised elevations and remove that facades item from the consent agenda so commissioner review could be certain that the latest materials were presented.
No vote was taken on the development items at the work session; the second reading and paired resolution will appear on the voting meeting agenda.
