To: Board of Supervisors
From: Warren Lai, Public Works Director/Chief Engineer
Report Title: Engineering Manuals used by the Public Works Department and Flood Control District
☒Recommendation of the County Administrator ☐ Recommendation of Board Committee
RECOMMENDATIONS:
APPROVE the Public Works Department and Flood Control and Water Conservation District to use the current versions of the appropriate engineering manuals and specifications in the course of their work, as those manuals and specifications are superseded by County ordinance.
APPROVE that further exceptions in the application of the provision within manuals will be made from time to time by the Public Works Director or the Director’s designee. Where a choice of standards exists, the Director, or designee, will determine the applicable standard under the circumstances.
FISCAL IMPACT:
No fiscal Impact
BACKGROUND:
The manuals and specifications listed herein are generally accepted in California as standards in the field of civil engineering. By recognizing their use, the Board will reduce public misunderstanding and further the achievement of consistency in improvements plan and construction submittal.
Recognized Manuals:
AASHTO LRFD Bridge Design Specifications
AASHTO Policy on Geometric Design of Highways and Streets
AASHTO Roadside Design Guide
California Department of Water Resources, Division of Dams, Statutes and Regulations
California Manual on Uniform Traffic Control Devices
California Streets and Highways Code
California Vehicle Code
CalTrans Bridge Design Aids
CalTrans Bridge Design Details
CalTrans Bridge Design Specifications
CalTrans CADD User’s Manual
CalTrans Construction Manual
CalTrans Highway Design Manual
CalTrans Local Assistance Procedure Manual
CalTrans Plans Preparation Manual
CalTrans Site Best Management Practices Manual
CalTrans Standard Plans
CalTrans Standard Specifications
CalTrans Surveys Manual
CalTrans Traffic Manual
County Landscape Design, Construction, and Maintenance Standards and Guidelines
County Ordinance Code
County Standard Plans
County Standard Specifications
FHWA Manual on Uniform Traffic Control Devices
Stormwater C.3 Guidebook
Subdivision Map Act
U.S. Access Board ADA Standards
U.S. Army Corps of Engineers Engineer Manuals
CONSEQUENCE OF NEGATIVE ACTION:
Not recognizing the standards currently used by the Public Works Department and Flood Control and Water Conservation District may lead to inconsistent staff interpretations and confusion on the part of the professional and general public.