Purple Line Extension, Sections 2 & 3, Los Angeles County, CA

The Purple Line Extension is a new heavy rail subway corridor in Los Angeles County, extending the Metro Purple Line from Wilshire/Western station to the Westside region.

PARIKH assisted the management team on Section 2 of the project, which will extend trackage 2.6 miles to Century City with two new stations (Century City Station and Rodeo Station), and Section 3 of the project, which will extend the trackage to VA Hospital with two new stations (UCLA Station and VA Hospital Station). Our services include:

  • Field exploration coordination and sample review,
  • Development of geotechnical design parameters,
  • Assistance to the preparation of geotechnical data reports and geotechnical design memoranda,
  • Preliminary design for support of excavation system, geotechnical instrumentation program, and other components associated with underground construction including ground improvement, tunnels, cross passages, and caverns,
  • Preparation of contract specifications for excavation support systems, geotechnical instrumentation, construction monitoring program, protection of existing structures, dewatering, tunneling, and other components of underground construction,
  • Constructability studies,
  • Preparation of drawings, specifications, and calculations for change notices and review of submittals to meet contract requirements as part of the engineering services during construction,
  • Development of structure protection program, including estimation of building and utility settlements and their impacts. It required coordination of technical professional including geotechnical, structural, and civil engineers, and
  • CAD Support.

Project Details




LA Metro


WSP/AMEC Foster Wheeler


Gary Parikh
Frank Wang

Project Gallery

Purple Line Extension, Sections 2 & 3 1
Purple Line Extension, Sections 2 & 3 2
Purple Line Extension, Sections 2 & 3 3