SAN JOSE, CALIF.—A team of engineers, modellers and scientists has been engaged by the City of San Jose, Calif. to provide professional consultancy services on projects to implement its 2019 Green Stormwater Infrastructure (GSI) Plan.
The plan focuses on implementing GSI and sustainable drainage practices, transitioning from traditional “grey” infrastructure where stormwater runoff enters storm drains and receiving waters from impervious rooftops, sidewalks, driveways and streets, to an integrated approach incorporating resilient “green” infrastructure systems, states a release.
Potential projects in the plan include treating about 2,400 acres of land, representing an estimated combined cost of $126 million, including design, construction and operations and maintenance.
“The approach of GSI uses soil, plants, and pervious surfaces to capture, treat, infiltrate, and/or reuse stormwater runoff,” states the release. “It provides multiple benefits, including improved water quality, reduced localized flooding, potable water conservation, increased groundwater recharge, reduced urban heat island effect and public space beautification. GSI can integrate with building and roadway design, complete streets, drainage infrastructure, urban forestry, soil conservation, and landscaping.”
Under a Master Serves Agreement, a local team of Brown and Caldwell, Lotus Water and Paradigm Environmental is implementing the GSI Plan with the first service order executed in late August. Tasks include program management, regulatory support, cost and budget analysis, stakeholder outreach and multidisciplinary engineering and construction administration on numerous projects.
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