Commissioners discuss Phase 4 preliminary plat for Station-area subdivision; traffic and drainage concerns prompt motion to defer

Sumner County planning staff presented a Phase 4 preliminary plat for a multi-phase residential development (presented in the packet as part of a previously approved master development plan) and described the submission as complying with the approved master plan and as vested under the Tennessee Invested Property Rights Act of 2014.

The proposal covers roughly 29.6 acres and would create 58 residential lots (staff described 54 larger “station” lots and 4 smaller “village” lots). The development connects to Jenkins Lane and to the Creekside development to the north; staff said the proposal provides a second ingress/egress route for Creekside. Utilities and fire protection were described as provided by White House Utilities, and staff noted hydrants and on-site stormwater detention are shown on the plans.

Staff presentation and conditions: Staff told the commission the preliminary plat appears to meet county requirements and outlined recommended conditions if the commission approves: (a) county engineer approval of construction plans; (b) completion of drainage and roadway infrastructure to substantial completion before final plat approval; (c) submission of gas bills for the final plat (as required by staff packet); (d) executing a stormwater inspection and maintenance agreement; (e) submission and county approval of a site plan for the amenity/clubhouse with completion of that facility prior to recording the Phase 4 final plat; and (f) collection of the developer’s previously committed per-lot payment ($855 per lot) to be used for transportation improvements (staff calculated $49,590 for the phase).

Public and commissioner concerns: Commissioners and members of the public questioned whether the traffic analysis supporting the master plan had been updated to reflect recent growth, whether the traffic impact study excluded atypical periods such as COVID, and whether Jenkins Lane, Lower Station Camp Road and Long Hollow Road can safely absorb additional trips. Commissioners also expressed concern about drainage: reviewers noted elevation differences across the site and stressed that critical-lot drainage plans and erosion-control measures must be closely reviewed and enforced to avoid downstream impacts. One commissioner said the master plan was approved years earlier and cautioned the county’s ability to impose new conditions now is limited by prior vesting and approval timelines.

Engineer and developer input: Michael Dewey of Dewey Engineering answered several technical questions, including confirming that Phase 1 is built and sold out, phases 2 and 3 are under construction, and final plats for earlier phases have been recorded. Staff and the developer noted construction plans and the county engineer review remain outstanding items before grading and infrastructure work can begin.

Motion to defer: During discussion a commissioner moved to defer the item so the commission could obtain clearer information about what the updated traffic studies covered and whether a new traffic study is warranted. The motion to defer was recorded in the meeting but the transcript excerpt does not include a second or final vote in the portion provided.

Ending: Staff confirmed next steps if the commission ultimately approves the preliminary plat: construction plans must be approved by the county engineer, TDEC permits (if required) must be in hand, a pre-construction meeting scheduled, and infrastructure inspected and accepted before a final plat is recorded and before county assumption of roads and maintenance. The commission’s decision on the defer motion was not recorded in the provided transcript excerpt.