Upriver Spillway Rehab Phase III and STID Update

The City of Spokane Water Department issued RFQu 5240‑20 to obtain qualified engineering firms for the Phase III rehabilitation of the Upriver Dam spillway and an update to the Supporting Technical Information Document (STID) required by FERC. After a competitive qualification process, Hatch Associates Consultants, Inc. was awarded the contract. The work includes a comprehensive condition assessment, structural analysis of tainter‑gate bearings, concrete repair specifications, redesign of spillway drains, installation of piezometers and stilling wells, preparation of detailed construction drawings, and delivery of a revised STID for regulatory filing. • Scope: Engineering design, specifications, and regulatory documentation for spillway rehabilitation (structural, mechanical, and civil components). • Deliverables: Updated STID (FERC filing by Oct 2020) and full design package for construction slated for FY 2021. • Award: Lump‑sum award to Hatch Associates Consultants, Inc.; contract value estimated in the low‑to‑mid‑millions.