Cobi Stormwater System Plan

The work to be performed by the consultant consists of four distinct, but related efforts: Complete stormwater asset inventory and GIS mapping. Stormwater System Plan approach / scope development support including but not limited to: Summarize status of recommended actions contained in the City of Bainbridge Island Surface Water Management Plan 2001. Complete a gap analysis to identify changes required for compliance with Ecology’s Stormwater Management Manual for Western Washington (SWMMWW ,2012, amended in 2014) as well as looking ahead to the 2019 version which is anticipated to be adopted before July 2022 and the City of Bainbridge Island Municipal Code Title 15 Chapter 15.20 Surface and Stormwater Management. Stormwater System Plan preparation support including but not limited to: Summarize the interface with NPDES Phase II Permit requirements, Ecology’s SWMMWW, City of Bainbridge Island Climate Action Plan, the City’s forthcoming Groundwater Management Plan, and other applicable City plans, codes and policies. Recommend improvements to current stormwater monitoring program / asset management program. Recommend actions to improve stormwater water quality. Recommend actions to address climate change impacts including sea level rise and increased storm intensities. Develop a Stormwater Management Action Plan (SMAP) consistent with the City’s NPDES permit requirements. Provide a prioritized project list from the City’s current Capital Facilities Plan. Recommend additional projects, as needed including ballpark budget estimates, resource requirements, rationale and general timing, differentiate ‘have to’ vs ‘nice to have’ projects, and general cost benefit considerations. Prepare an Implementation Plan and Plan Effectiveness Monitoring Plan. Community engagement support and coordination with City Advisory Committees, which will be led by the City.

Division 03 -	Concrete, Precast Concrete.
Division 33 -	Utilities, Storm Drainage Utilities, Storm Utility Drainage Piping, Storm Utility Water Drains, Storm Drainage Structures.