Transportation, Drainage and Flood Control

Hydrologic and Hydraulics Analysis and Design – Bay Area Rapid Transit (BART) Silicon Valley Extension, BART, San Jose, California

A comprehensive hydrologic and hydraulic analysis was performed for 13 flood control channels intersecting approximately 16 miles of BART railroad tracks, including associated facilities and stations. This analysis determined the 100-year flow capacity, identified upgrade needs, and recommended necessary enhancements for bridge or culvert crossings to ensure optimal flood management and infrastructure resilience.

High Speed Train - Merced to Fresno Segment Drainage Design, California High-Speed Rail Authority, Fresno, California

Provided hydrologic and hydraulic analysis for the 30 percent drainage design of the 5-mile segment, as well as preliminary drainage design for the right of way for an additional 12 miles of the Merced to Fresno high speed train segment.

Altamont Corridor Express (ACE) Expansion, San Joaquin Regional Rail Commission, Stockton, California

Managed the preliminary engineering and design report for drainage, hydrology, hydraulic, and floodplain analysis for the 72 miles ACE project expansion. The project involved early phase improvements on the existing Union Pacific Railroad (UPRR) alignment and new tracks between Lathrop and Merced.

Orange Memorial Park Stormwater Capture, City of South San Francisco, California

Regional stormwater capture facility diverting flows from Colma Creek for infiltration, non-potable reuse, and biofiltration. Project objectives included reducing pollutants to San Francisco Bay, alleviating downstream flooding, recharging the Westside Ground Water Basin, offsetting potable water use for park irrigation, and supporting park improvements per the City’s Master Plan.

Caltrans D7 Stormwater Management Design, Los Angeles, California

Provided design and permitting services for three stormwater management projects along SR-60 in Los Angeles County, including South El Monte, City of Industry, Rowland Heights, Hacienda Heights, and Diamond Bar. Work included surveys, environmental and geotechnical investigations, project reports, environmental documents, and final design. Improvements involved installation of BMP devices such as Design Pollution Prevention Infiltration Areas, detention basin, and infiltration trench to achieve NPDES compliance credits and meet TMDL requirements.

Caltrans Trash Capture Pilot and Capture Housing Design, Caltrans Headquarters and District 4, California

Led the design-build effort for six full trash capture devices along I-880 in Alameda County and developed standard details for the Caltrans patented full trash capture housing device. Work included environmental clearance, hydraulic analysis, design plans, shop drawings, and construction support. The pilot evaluated device performance, capacity, maintenance, and suitability for highway use. The housing device was later certified by the SWRCB for full trash capture and received U.S. Patent No. 11,535,528 B1.

REM, Tunnel Drainage Pumping, Force Mains, and Gravity Drains Design, Montreal, Canada

Served as the lead civil engineer for the preliminary design of the pumping system, force mains, and gravity drains for three rail tunnels spanning approximately four miles in Montreal, Canada. Also performed preliminary design calculations for pump wet well sizing, pump sizing, and load assessments, ensuring efficient and reliable system performance.

California Department of Transportation, Caldecott Tunnel Water Main Relocation, Contra Costa County, California

Designed a welded steel water main, which was relocated as a part of the project. Designed and specified Reinforced Concrete Pipe (RCP) and steel casings, anchor blocks to prevent sliding, and a deep utility box for pipe maintenance in the future. Developed plans, specifications, and quantity estimates.

Hydrology and Hydraulics Design Review – Sonoma–Marin Area Rail Transit (SMART), California

A detailed hydrology and hydraulics design review was conducted for approximately 70 miles of the SMART commuter rail alignment. The scope included evaluation of stormwater systems, drainage criteria, and floodplain impacts along the corridor. Recommendations were developed for hydraulic design standards, drainage improvements, and mitigation measures to ensure system reliability and regulatory compliance.