Stormwater Management and Drainage Design

The contract seeks specialized design services for stormwater collection, detention, and treatment systems at park sites within the City of Issaquah, Washington, with a focus on hydrologic modeling to ensure effective water management and full compliance with state regulatory standards. The work requires technical expertise in stormwater infrastructure planning, including the analysis of runoff patterns, system sizing, and environmental controls aligned with Washington’s environmental and drainage regulations. The solicitation is issued as a subcontract under NAICS code 541410, which classifies it under architectural and engineering services, and responses are due by August 14, 2026. The project is being managed by the City of Issaquah through its public procurement platform, with no specific set-aside requirements indicated. All deliverables must meet local and state compliance benchmarks, and the successful bidder will be responsible for delivering designs that integrate seamlessly with existing park infrastructure while addressing long-term stormwater sustainability and regulatory obligations.