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Report approving a license agreement and fee for tiebacks within Dubuque Avenue for the construction of 580 Dubuque Avenue and approving budget amendment number 23.040. (Jason Hallare, Senior Civil Engineer)
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RECOMMENDATION
Recommendation
Staff recommends that the City Council adopt resolutions approving a license agreement and fee for tiebacks within Dubuque Avenue for the construction of 580 Dubuque Avenue.
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BACKGROUND/DISCUSSION
580 Dubuque, the empty lot north of and adjacent to the City of South San Francisco ("City") Caltrain Station parking lot, is being developed by IQHQ ("Developer") to construct an eight-story office/R&D building of approximately 263,000 square feet above grade, a four-story subterranean garage, and supporting site improvements ("Project"). The Project was approved by the City Council on May 11, 2022 and July 27, 2022.
The construction of the four-story subterranean garage requires a temporary shoring wall to support the adjacent earth until the permanent basement walls are constructed. On June 2, 2022, the Developer submitted an encroachment permit application to install tiebacks in the Public Right-of-Way ("ROW") in Dubuque Avenue. The Developer and City staff have met and discussed multiple alternatives to the temporary shoring and have ruled out other shoring options due to physical constraints and practical infeasibility. After reviewing tieback policies of other local agencies and a case study on tiebacks, City staff determined that tiebacks will be allowed in the ROW with certain considerations, and an approval would consist of an Encroachment Permit and a License Agreement defining a License Area as shown in Attachment 1.
City staff had developed a tieback policy to be applied to this and future projects. The tieback policy is as follows:
* Allow tiebacks in the ROW that serve as temporary supports for permanent shoring construction.
* Alternative temporary shoring methods shall be demonstrated to be in...
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