ENGINEERING AND CONSTRUCTION DEPARTMENT
The mission of the Engineering and Construction Department is to plan, promote, design, fund, and construct transportation and flood control facilities for unincorporated Alameda County.
There are three divisions within the Engineering and Construction Department:
Road Planning and Design, Flood Control, and Construction.

ROAD PLANNING AND DESIGN DIVISION
The Road Planning and Design Division is responsible for transportation planning and engineering of capital improvement projects in the unincorporated areas of Alameda County.
These roadway and bridge projects include improvements to existing roadways—like pavement slurry seal, major pavement overlay or reconstruction, undergrounding utilities, and bridge rehabilitation and retrofit—and design and construction of new roadways.
The Road Planning and Design Division also plans, designs and constructs new systems of traffic signals and continuously upgrades the current system. This section is also responsible for implementing the Traffic Calming and Pedestrian Safety Program, including the Sidewalk Repair Program in the unincorporated areas, and it maintains a traffic projection model to aid congestion management for the unincorporated road system.
The County Surveyor, a section within the Road Planning and Design Division, examines all record documents such as tract maps, parcel maps, records of survey, and corner records.
This section reviews and approves annexation maps for the Alameda County Local Agency Formation Commission and manages the Survey Monument Preservation Trust Fund. This section also provides pre-design and construction surveys to both road and flood programs.
The Road Planning and Design Division solicits and coordinates funding from federal, state, and other outside sources such as ACTIA - Alameda County Transportation Improvement Authority (Measure B Funding), ACCMA - Alameda County Congestion Management Agency, BAAQMD - Bay Area Air Quality Management District, MTC - Metropolitan Transportation Commission, Caltrans - California Department of Transportation, and FHWA - Federal Highway Administration.
Click
here for more information on Transportation Projects.
FLOOD CONTROL DIVISION
Acting in its capacity as the Alameda County Flood Control and Water Conservation District, the Flood Planning and Design Division is responsible for watershed planning, major maintenance, and new construction of the western Alameda County Flood Control System.
It maps flood plains for the cities and unincorporated area and coordinates this activity with the Federal Government and local jurisdictions. It also uses rainfall and stream flow data to update and calibrate stream flow models and rainfall intensity statistics.
The Maps and Files section of the Flood Planning and Design Division is responsible for managing all stored documents for the Road, Flood and County Surveyor programs. This section also provides historical and current information for roads in the unincorporated areas of Alameda County and the recorded maps and flood control information for most of the County. Staff assists Agency employees and the public in daily research and retrieval of stored documents and publications.
This Flood Planning and Design Division also assists in obtaining environmental clearance and permits for construction and maintenance projects. It also carries out mitigation monitoring projects that are permitted or environmental conditions for projects.
Click
here for Flood Control Annual Report
Click here
for more information on Flood Projects.
CONSTRUCTION DIVISION
The Construction Division is responsible for construction management of the road and flood control program construction projects. The section advertises and awards construction contracts, inspects and tests materials, processes payments, and submits requests for payment to appropriate State and Federal agencies.
It also provides materials testing services to other Alameda County cities and participants with Chabot College in materials testing training.
Consultant Services
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