Design & CM

San Bernardino County Transportation Authority (SBCTA) – Mount Vernon Avenue Viaduct Replacement Project

ZUI’s involvement in this high-profile project will be critical in achieving full consensus among railroad stakeholders such as BNSF Railway and Metrolink. The overpass will be replaced without affecting railroad operations! The Mount Vernon Avenue Viaduct is a 1,016 foot bridge that spans the BNSF Intermodal Yard as well as BNSF and Metrolink main tracks …

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California High Speed Rail – Construction Package 1 – Madera to Fresno County

The ambitious CHSR is the first of its kind in the US. Zephyr Rail tripled utility conflict resolution on CP1 in the first nine months of Zephyr Rail’s participation. Construction Package 1 (CP1) is the first significant construction contract on the California High Speed Rail, executed on the Initial Operating Section and valued at $4 …

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Los Angeles – San Diego – San Luis Obispo (LOSSAN) – Central Coast Layover Facility

 The LOSSAN Central Coast Layover Facility project will provide for maintenance of equipment at the northern terminus of the corridor, allow for additional passenger trains to hold overnight, and allow a second morning departure from San Luis Obispo. The proposed project features the construction of a new rail yard, storage and servicing tracks, operations and …

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LA Metro Regional Rail Planning & Environmental Services On-Call – Antelope Valley Line Improvements Environmental Assessment and Technical Studies

As a Subconsultant to Mott MacDonald, Zephyr UAS, Inc. (ZUI) is currently providing Engineering Design, Design Review, Railroad/CPUC Coordination, and Aerial Mapping Services in support of the implementation of four rail infrastructure improvement projects (Balboa Double Track Extension, Brighton to McGinley Double track, Canyon to Santa Clarita Double track and Lancaster terminal improvements) in the …

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Fillmore & Western Railway – Haun Creek Bridge Rehabilitation

Zephyr Rail (ZUI) provided aerial mapping and structural engineering services to support Fillmore & Western Railway’s bridge rehabilitation effort. The existing bridge at milepost (MP) 416.32 is an old ballast-deck timber trestle structure, which will be replaced with an open-deck structure with steel stringers. To survey the site’s existing conditions, ZUI utilized its state-of-the-art unmanned …

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