Exposition Light Rail Transit, Phase I

The Exposition Light Rail Project is an 8.6 mile extension of the Metro Blue Line from Downtown Los Angeles to Culver City. The extension allows for a dual track configuration in the center of selected streets and will provide for high center platform stations along the alignment. The goal of the project is to improve transportation mobility and connectivity for residents and commuters in the project study area; provide faster, more reliable transportation services; increase capacity of the system and provide more travel choices.

As a sub-consultant, BA Inc.’s responsibilities included drainage design, preparing drainage plans and profiles, and performing hydrology and hydraulic calculations. Drawings were advanced from 30 percent to Approved for Construction (AFC). Additionally, the firm was tasked with coordination for traffic control designs and advancing drawings from 60 percent to AFC, and obtaining LADOT, LABSS, and Expo Authority approvals. Role required significant interaction with LADOT, LABOE, LADWP, LACFCD and CALTRANS.

Project Highlights
• Major drainage design to divert flow around open strut section at Figueroa Street. and Flower Street.
• Drainage design which included draining ballasted track section to collector pipes with significantly varying track gradey
• Extensive collaboration on a weekly basis with LABOE and LADOT.