Specifications include, but are not limited to: In 2022, the City of Costa Mesa completed a Local Road Safety Plan (LRSP) which identified a framework to identify, analyze and develop traffic safety enhancements on the City’s roadway network. The LRSP was developed in response to local issues and needs. The LRSP identified systemic infrastructure improvements that can be implemented throughout the City to enhance safety for all modes of travel. In late 2022, using data and recommendations from the LRSP, the City applied for grant funds for the 11th cycle of the Highway Safety Improvement Program (HSIP). In 2023, the City was awarded federal grant funds to design and implement systemic safety improvements to 129 of the City’s 131 signalized intersections, shown in Exhibit A. The Signal Modernization for Systemic Safety Improvements project (Project) will design and implement proven safety countermeasures for all users including implementing Leading Pedestrian Intervals at 49 intersections, installing countdown pedestrian signal heads at 43 intersections, installing new retroreflective border signal backplates at 129 signalized intersections to enhance visibility and compliance, upgrading all remaining 8” signal heads in the City to 12” signal heads, installing battery backup systems at major intersections to keep signals and pedestrian crossings active during unexpected power outages, and installing emergency vehicle preemption devices at 30 intersections to complete the preemption network for the City’s emergency services. Maps and a location list showing the various improvements at each intersection can be found in Exhibit B. The following description of work defines the general project requirements. Associated tasks and provisions necessary for a complete project, but not specifically defined herein are requested to be addressed in the proposal and undertaken within the proposed “Not to Exceed” contract fee. The scope of services generally consists of the following: Phase 1: Detailed Citywide Traffic Signal Inventory Phase 2: Preliminary Design Phase 3: Environmental Approval Phase 4: Final design plans, specifications, and estimates (PS&E) Final PS&E shall be developed as a turnkey project for advertisement and construction. The project shall not be advanced until preliminary requirements are addressed and clear direction is established. The consultant shall have total responsibility for the accuracy and completeness of all work and services.
