King County Integrated Planning

SEATTLE, WA

< PROJECTS

King County Wastewater Treatment Division (WTD) is updating their long-term capital plan to address water quality requirements in their combined sewer system. Approximately $1B of green and gray improvement projects are needed to provide long-term solutions to the challenges facing this region, which include aging infrastructure, stringent water quality regulations, and climate change. Lotus is part of a team of consultants, including HDR and Carollo Engineers, providing long term solutions to the challenges facing this region, including aging infrastructure, stringent water quality regulations, and climate change. Notable components of Lotus’ scope include:

  • Green Street and GI Parcel Scorecard: Lotus developed a GI evaluation tool that consolidates the information needed to evaluate, rank, and assess viability of street segments and parcels into a onepage scorecard. Hydraulic performance, cost, multi-benefits, and constructability are visually displayed and scored.

  • Triple-Bottom Line Decision-Making Tool: Leveraging experience from past capital plans, Lotus is helping integrate multi-benefit criteria into the GI evaluation and decision-making process.

  • Alternatives Analysis Workshops: Lotus is supporting alternatives analysis workshops to refine the framework for prioritization, while providing a venue to compare capital plan alternatives.

  • Stakeholder and Community Engagement: Lotus is providing input on successful GI stakeholder, inter-agency, and community outreach programs.

  • Benchmarking Study of Municipal Programs: Lotus conducted a benchmarking survey of major cities to summarize the variety of water quality requirements nationwide, and the status of capital plans being implemented to meet them.