2017-046 - Approving Addendum Nos. 1 and 2

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0� OCTA I Santa Ana/Garden Grove Fixed Guideway Project Noise and Vibration Technical Analysis Re-evaluation in Support of Minor Design Modifications Table 1. Comparison of 2015 Approved Project and Proposed 2016 Minor Design Modifications LPA in Certified EA/EIR — January 2015 30% Design — May 2016 Single-track bridge across the Santa Ana Double -track bridge across the Santa Ana River south of the existing historic bridge. River; north of the existing historic bridge. The double -track bridge is the same distance away from the historic bridge as the single- track bridge. Track positioned in the center of the PE ROW Track shifted to the northern side of the PE ROW, no private property is required. At -grade Santa Ana River Trail crossing on Provision of a Santa Ana River Trail the West Bank. undercrossing at the West Bank by including an extra span on the Santa Ana River bridge Streetcar Maximum Speed of 35 mph in PE Streetcar Maximum Speed of 45 mph in PE ROW. ROW Willowick Station Stop within PE ROW. No Willowick Station Stop within PE ROW. Side platforms at Harbor Blvd., Fairview St. Center platforms at Harbor Blvd., Fairview St., (staggered, farside), and Raitt St., farside and Raitt St., nearside Bristol St. westbound, Bristol St. eastbound, farside Ross St. nearside Ross St. westbound, stops at westbound, stops at Broadway and Main. Sycamore (farside westbound, farside eastbound), No private property is required for the platforms. Double crossover west of maintenance and Single crossovers on both sides of the MSF, storage facility (MSF), turnout and tail track revised MSF track layout, single crossovers beyond Santa Ana Regional Transportation on both ends of downtown couplet, double - Center (SARTC) platform. crossover prior to SARTC platform. No consideration for traffic signal priority for Traffic signal priority at all traffic signals along the streetcar. the route except for Main St., Broadway, and Bristol St. The TSP extends a green phase or shortens an opposing green phase by as much as 20 seconds, Tied -Arch Bridge at Westminster Avenue Concrete Box Girder Bridge at Westminster Avenue Santa Ana Blvd. from Flower St. to Raitt St. Santa Ana Blvd from Flower St. to Raitt maintained as a four -lane street (two lanes in St. with a raised 4 -ft median and re -striped as each direction with streetcar in the outside a two-lane street (one lane in each direction) lanes). with left and U-turns allowed only at signalized intersections and striped bike lanes. No private property is required. Santa Ana Blvd. from French St. to Flower St. Santa Ana Blvd. from French St. to Flower St. with three -lanes westbound. with two -lanes westbound and a protected bike lane on the north side of the street. No private property is required. Six traction power substations (TPSS) located Elimination of two TPSS to result in a total of at the following locations: four TPSS for the Project, with the following (1) At Harbor Blvd.; revised locations. No private property is (2) At Susan St. (outside PE ROW), required: (3) On east side of Santa Ana River (1) On south side of Westminster Ave in (outside of PE ROW), the PE ROW, (4) At Pacific Ave.; 1 (2) At the Maintenance and Storage 18