Watershed Planning Charrettes

SAN FRANCISCO, CA

charrettes brought together community members + technical professionals

photo: SFPUC

lake merced charrette game board

photo: SFPUC

westside charrette

photo: SFPUC

Watershed Planning Charrettes

green infrastructure concept alternatives for make merced basin

Watershed Planning Charrettes

group discussing different GI project types

photo: SFPUC

groups presented their preferred project types

photo: SFPUC

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Lotus Water led the engineering analysis for implementation of citywide watershed planning charrettes in San Francisco. For the charrettes, Lotus performed the hydrologic and hydraulic analysis to establish the watershed management objectives in each of the City’s major drainage basins. Lotus also developed the tools used to evaluate the costs and benefits of LID projects proposed at the charrettes.

Charrettes invited participation from community members by playing an innovative Watershed Planning Game. Played by more than 300 people, the “game” brought together technical and non-technical participants to understand system challenges and to grapple with tradeoffs in budgets and the performance goals. Teams developed project ideas consisting of multi-purpose green and grey infrastructure concepts to be further evaluated for technical feasibility and cost effectiveness.

The game won the award for 2013 Outstanding Public Involvement/Education Program from the Association of Environmental Professionals.

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The Baker Beach project implements bioretention, infiltration galleries, and permeable pavement along a half mile of El Camino del Mar, Sea Cliff Avenue, and 25th Avenue North in the Sea Cliff neighborhood. The El Camino Del Mar project area consists of multi-functional green infrastructure nodes at three existing golf course path crossings and adds a new crossing and node in front of the Lands End Trailhead.