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B Street Culvert Replacement

B St Culvert Repair Project Location

About

Project goals

  • Remove the existing concrete box culvert and replace with a new, partially cast-in-place and partially precast, concrete box culvert

Budget

Planning/Design $75,000
Construction $320,000

Overview

The project is located near the intersection of B Street and Woodland Avenue, 50 feet upstream of the San Rafael Creek.  Feeding into the upper reaches of San Rafael Creek is a reinforced concrete box culvert conveying water away from the Gerstle Park neighborhood. A small portion of the ceiling of the culvert requires rehabilitation to provide better structural stability of the system. In addition to the replacement of a section of the culvert, the City will coordinate with utility companies and regulatory environmental agencies. On August 31, 2020, the City hired the design consultant, Mark Thomas & Company, Inc., to prepare design plans for the project. Although City council awarded the construction contract to Maggiora & Ghilotti, Inc. on October 18, 2021, the project faced delays due to heavy storms that year. Subsequently, negotiations with the City concerning protection methods for the nearby PG&E pole led to further postponement. Eventually, increased material costs and scheduling conflicts prompted Maggiora & Ghilotti to request contract termination. On April 17, 2023, City Council authorized the termination. Currently, City staff is planning to rebid the project and to return to Council in Spring 2024 for consideration of a new construction contract. Construction is anticipated to begin in May 2024 and is expected to last for 3 months.

B St Intersection - traffic impacts

Timeline

Design August 31, 2020 - Februay 2024
Construction May 2024 - August 2024

Project contact

Adeel Shaikh | Junior Engineer
adeels@cityofsanrafael.org
415.725.9264

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