25B - SANTA ANA BLVD GRADE SEPARATION_Exhibit A-1_Color

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Auto Center Drive Grade Separation Corona, California Clien °4. City of Corona Dept. of Public Works, 400 S. Vicentia Ave. Corona, CA 92882 Co t act Linda Bazmi 951.739.4960 Year ComplelLe a Ongoing Construction Cost $25 million Design Cost $2 million Team Members James Faber, PE Mohan Char, PhD, PE Ed Ng, PE Bob Fish, PE The City of Corona awarded AECOM the Auto Center grade separation project over the BNSF railway line in Corona. The City of Corona is the lead agency. Auto Center Drive runs north /south. Immediately north of the railroad, Auto Center is intersected by Railroad Street, which runs east /west, parallel to the railroad. The West Corona Metrolink Station is located on the southeast quadrant of the railroad crossing. AECOM is responsible for all aspects of the project, from start to bid, including obtaining a PUC order to construct; developing and participating in the negotiations with BNSF for the construction and maintenance agreement; environmental clearance; right -of -way; surveying; utility coordination; roadway; bridge; traffic; and geotechnical. The selected alternative consists of spanning the roadway over the rai [road and then con necti ng to Railroad Street northerly of the railroad crossing.This alternative was selected because it minimizes right of way and environmental impacts. Monte Vista Avenue Grade Separation Montclair, California AECOM provided preliminary and final engineering design and construction management for the Monte Vista grade separation. AECOM was responsible for City of Montclair all aspects of the project, from start to construction completion. The project 5111 Benito Street, P.O. Box 2308 included an investigation of the most cost - effective alternative for separating Montclair, CA 91763 the grades, as well as environmental studies and clearance; right -of -way appraisals and acquisition; final design; plans, specifications, and cost estimates Contact for the construction of bridge, roadway, drainage, and grade separation related Michael Hudson improvements; relocation of utilities and coordination; surveying; obtaining a PUC 909.625.9441 order to construct, develop, and participate in negotiations with various agencies; Year Completed landscaping; traffic; geotechnical; construction engineering; and construction Ongoing management services. Construction Cost $13.2 million Design Cost $1.75 million Team Members James Faber, PE Mohan Char, PhD, PE Ed Ng, PE Albert Pan, PE The selected alternative spanned the roadway over the railroad and the existing State Street Channel, over State Street itself, and provided a connector back to State Street to replace the existing Monte Vista /State Street intersection. This alternative was selected over an undercrossing because of a variety of factors, including high cost X due to the necessity of providing a flume bridge and a four -track railroad bridge over a depressed roadway. The alignment is offset i f, 10 feet to the east of the existin g alignment, due to the existing utilities, and the need to maintain F- ...,, private railroad crossing under the _ bridge for the UPRR to access its right -of -way. 000 ®® Proposal for Project Study Report Equivalent and Conceptual Engineering Plans for Santa Ana Boulevard Grade Separation Project