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FIRST STREET PEDESTRIAN IMPROVEMENTS PS&E iIFPN0410.110 MISSION ROADMUNTINGTON DRIVE (SOTo BRIDGE REPLACEMENT), Los Angeles, California Soto Street bridge over Mission Raad and Huntingt^- Drive was demolished and the roadways were realigned as part of the Street improvements. Two new signalized intersections were installed along with Type II bike lanes throughout the project, ADR compliant sidewalks and ramps, and a landscaped median area alongthe newly built cul-de-sacs. Tetra Tech provided engineering support services during construction including RFis, review of shop drawings, geotechnical support, responding to request for design changes, and preparing as -built! The project team helped the City by investigating soil contamination levels and developing reports fY handling and disposal of contaminated materials; redeveloping' traffic control plans for increased wo areas; and using Civil 3D software to understand'ai eliminate design issues. The design services included multiple phases of worksite traffic control, and temporary traffic signs permanent signing and striping with continental crosswalks at all intersections and new bike lane facility, permanent traffic signal with interconnect video fiber, street lighting, and several utilities sucl power, gas,stormdrain, and communications utilit fSIXTH STREET PARK, ARTS, RIVER AND j The City of Los Angeles held an international desig j contest for the replacement of the Sixth Street I Viaduct. Demolition of the existing bridge began i in early 2016 and the new bridge, known as the € "Ribbon of Light," is expected to be constructed by 2020. The City of LA selected Tetra Tech, along witl subconsultants Hargreaves Associates, and Michae Maltzan Architecture, to develop a unique landsca design and river improvements as part of the projE The team is providing schematic and final design environmental documentation and permitting, pui ' presentations, construction support services, and post -construction services for nearly 12 acres of recreational and open spaces beneath and around the new bridge. The project includes approximates Y2 mile of improvements within the Los Angeles Rit along with roadway improvements to South Santa Fe Ave., Mission Rd., Anderson St., and Clarence 51 The City's goal is to make the landscape componet under the new bridge a world class public space tk will include an Arts Plaza, several performance stai synthetic sports fields, river terracing, and bicycle pedestrian pathways. 25K 30