Siu Mak is a Senior Project Manager – Bridge Design at STV with 15 years of design experience in buildings, bridges, and civil structures in California. A trusted expert in seismic and concrete design, Mak has been lead structural designer in several Caltrans and design-build projects.

SKILLS

SEISMIC DESIGN:
An expert in seismic design based on AASHTO, Caltrans SDC, and ASCE-7; soil-structure interaction of retaining walls, CIDH piles and pile groups.

DESIGN-BUILD EXPERIENCE:
Worked extensively in three design-build projects and experienced in handling challenges with contractors and clients.

UNIQUE STRUCTURAL TYPE EXPERIENCE:
One- and two-cell prestressed concrete box girder, Transverse PT system, Segmental bridge construction based on movable scaffolding system (MSS), 170-ft tall hollow concrete column, Hinge design without Caltrans-type closure pour, Precast prestressed concrete girders.

TRAIN-STRUCTURE INTERACTION:
Expert knowledge in High-Speed Rail requirements in Japan, Taiwan, Europe, and California.

MULTI-DISCIPLINARY AWARENESS:
Can collaboratively solve issues with rail, civil, roadway, geotechnical engineers, architects, cost estimators, and contractors.

ANALYSIS SOFTWARES:
Proficient in CSiBridge, SAP2000, MIDAS, CTBridge, CTAbut, XTRACT.

KEY PROJECTS

BART ELEVATOR RENOVATION CONCEPTUAL ENGINEERING REPORT, SAN FRANCISCO, CA:
Structural investigation of BART station elevator upgrades

TRANSBAY PROGRAM DOWNTOWN EXTENSION, SAN FRANCISCO, CA:
Structural design of cut-and-cover structures and Salesforce Transit Center train box extension

GOLD LINE FOOTHILL EXTENSION, POMONA, CA:
Structural design engineer of retaining walls and one flyover light-rail bridge

SOUTHWEST CALGARY RING ROAD, CALGARY, CANADA:
Prepared load rating reports for concrete and steel bridges

GERALD DESMOND BRIDGE REPLACEMENT, LONG BEACH, CA:
Lead Structural Design Engineer of approach structures built by MSS

I-405 IMPROVEMENT PROJECT, ORANGE COUNTY, CA:
Lead Structural Design Engineer of two prestressed concrete bridges

UC MERCED 2020, MERCED, CA:
Engineer of Record of two precast prestressed concrete bridges

BAY BRIDGE WEST SPAN BPM PATH STUDY, SAN FRANCISCO, CA:
Orthotropic steel deck and railing designer on existing structure

TEXAS CENTRAL RAILWAY LONE STAR HIGH-SPEED RAIL, DALLAS TO HOUSTON, TX:
Developed Design Criteria based on Japanese HSR system

CALIFORNIA HIGH-SPEED RAIL (FRESNO TO BAKERSFIELD), CA:
Developed 30% Design with concrete and steel structures

EXPERIENCE

STV (2023 – present)
PARSONS (2019 – 2023)
ARUP (2007 – 2019)

EDUCATION

University of California, Berkeley
MASTER OF SCIENCE Structural Engineering
BACHELOR OF SCIENCE Civil Engineering

LICENSE

Professional Engineer (California) C74884