The proposed Warriors arena is located at Third and 16th streets in Mission Bay. (Image courtesy of Manica Architecture, Images rendered by Steelblue)

The proposed Warriors arena is located at Third and 16th streets in Mission Bay. (Image courtesy of Manica Architecture, Images rendered by Steelblue)

Opponents of basketball arena in Mission Bay sue San Francisco, Warriors

A second lawsuit has been filed seeking to block the proposed Warriors arena in Mission Bay, this time against the basketball team and San Francisco for allegedly violating environmental regulations when it approved the plan for the arena last year.

The Mission Bay Alliance, led by a group of former UC San Francisco officials, filed the lawsuit Thursday in Sacramento Superior Court, asserting city officials violated the California Environmental Quality Act by not addressing potential traffic, air and noise impacts, and failing to properly consider alternative locations for the arena.

The Board of Supervisors last month unanimously rejected an appeal of the environmental impact report for the arena at Third and 16th streets, across the street from UCSF’s three new hospitals. The board also approved the project in its entirety.

The team hopes to move to the 18,000­-seat arena from its current home at Oracle Arena in Oakland in time for the 2018­-19 NBA basketball season.

Thursday’s lawsuit follows another filed by the alliance in Alameda County Superior Court, seeking to invalidate a memorandum of understanding between UCSF and the Warriors that was executed in the fall just before the Warriors finalized their purchase of the 11-acre property, claiming the agreement eliminates many of UCSF’s rights related to the arena.

The lawsuit filed Thursday, however, takes aim at the purported impact of building an arena 1,000 feet from UCSF’s hospitals, specifically that the set-up could lead to a “potentially fatal outcome” that the EIR “shockingly fails to adequately address,” according to a statement from the alliance.

The lawsuit was also filed on behalf of San Francisco resident Jennifer Wade, the mother of a “critically ill” 6-year-old boy who receives medical care from UCSF Children’s Hospital. Wade said she is worried that the arena could jeopardize access to her son’s care.

UCSF officially endorsed the arena after city officials agreed to millions of dollars in transportation improvements, including the establishment of a Mission Bay Transportation Improvement Fund to pay for more Muni light rail vehicles and traffic officers, among other efforts to mitigate traffic, with revenue from the arena.

Christine Falvey, a spokeswoman for Mayor Ed Lee, reaffirmed The City’s support for the arena in Mission Bay on Thursday.

“The mayor is 100 percent focused on making sure the Warriors come home to San Francisco in a new, state-of-the-art arena that will enhance Mission Bay for residents and visitors, create year-round jobs and boost city revenue for all types of city services,” Falvey wrote in a text message to the San Francisco Examiner.
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