Description
The City of Yakima is seeking qualified firms to provide engineering design, construction, and performance‑monitoring services for a Soil‑Vapor‑Extraction (SVE) system, including a Sub‑Slab Depressurization System (SSDS), at the Tiger Oil 24th Avenue & West Nob Hill site. The scope covers finalizing the SVE design, installing the SSDS, conducting groundwater and indoor‑air monitoring, and delivering comprehensive as‑built and performance reports in compliance with Washington’s MTCA regulations.
• Design and complete engineering documentation for a full‑scale SVE/SSDS system based on prior pilot‑test results.
• Construct the SSDS at a neighboring restaurant, start up the SVE, and perform four quarters of groundwater monitoring under Ecology oversight.
• Produce draft and final reports (as‑built, performance monitoring, groundwater) and submit all data to Washington State Ecology’s EIM database.
• Must demonstrate experience with vapor‑intrusion mitigation, environmental monitoring, and compliance with MTCA cleanup rules.
• Submissions limited to a 15‑page Statement of Qualifications, due 17 Nov 2026.