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Lot 2 retaining wall finished; Collier Engineering reports progress on drainage and Windgrove intersection

5723882 · August 13, 2025
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Summary

Collier Engineering updated the fair board on Lot 2 improvements — retaining wall complete, underground electrical inspection passed and stormwater materials staged — and reported progress on Windgrove Street utilities relocation and Colosseum Way realignment drainage design.

Collier Engineering told the Nashville Board of Fair Commissioners that the Lot 2 retaining wall is complete, underground electrical inspection has passed and materials for the stormwater system are staged on site; the firm also reported progress on the Windgrove Street intersection and the Colosseum Way realignment.

Why it matters: Lot 2 improvements provide additional event and parking infrastructure for the fairgrounds. The update described near-term construction sequencing and temporary measures to protect stored materials during the fair.

John Chaney of Collier Engineering reported three main project updates. On Windgrove Street intersection improvements, overhead utilities are being relocated and potholing to verify gas-line locations is planned; lane-closure permits will be required from both Metro Nashville and TDOT for upcoming mobilization. On the Lower Colosseum Way realignment, updated flood-study revisions have been completed and approved by Metro Water Services' contract reviewer; Collier said the proposed off-site stormwater design was revised to a sand-filter system to reduce both upfront capital cost and long-term maintenance costs.

On the multipurpose Lot 2 improvements, Chaney said the retaining wall is now at full height and underground-electrical inspection was approved last week. Contractors will proceed with wiring, pole-base installation and backfilling, with a plan to complete lighting and power work prior to the fair. Underground stormwater materials are on site and will be barricaded and stored in the northwest corner during the fair; temporary fencing will protect the wall and materials during events. After the fair, contractors will install the underground storm drainage, water services, bioretention pond, final pavement and the Permitract boardwalk.

Board members asked for renderings and a future-project list to help visualize completed work and the multi-year program; the board requested staff circulate available renderings and a consolidated list of upcoming projects across the fairgrounds footprint.

No formal action was taken; the board received the update and asked for follow-up materials.