Meeting_Body
CONSTRUCTION COMMITTEE
APRIL 15, 2026
Subject
SUBJECT: TUNNEL ADVISORY PANEL SERVICES
Action
ACTION: APPROVE RECOMMENDATION
Heading
RECOMMENDATION
Title
AUTHORIZE the Chief Executive Officer or their designee to:
A. EXECUTE Modification No. 01 to Contract No. PS1334-5600 with Dr. Youssef Hashash to continue to provide Tunnel Advisory Panel Services, in an amount Not-To-Exceed (NTE) $781,459 increasing the total contract value from $329,562 to $1,111,021 and extend the contract from June 30, 2026, to June 30, 2029;
B. EXECUTE Modification No. 09 to Contract No. PS-8510-2493 with Dr. Edward J. Cording, to continue to provide Tunnel Advisory Panel Services, in an amount NTE $781,610, increasing the total contract value from $3,671,235 to $4,452,845 and extend the contract from June 30, 2026 to June 30, 2029; and
C. EXECUTE Modification No. 03 to Contract No. PS1620-80000, with Dr. Thomas O'Rourke, to continue to provide Tunnel Advisory Panel Services, in an amount NTE $642,469, increasing the total contract value from $1,586,457 to $2,228,926 and extend the contract from June 30, 2026, to June 30, 2029.
Issue
ISSUE
Metro is currently planning, designing, and constructing rail transit projects with extensive underground engineering and construction that involve complex geotechnical and tunneling conditions. Current projects with tunnel segments include the Westside Purple Line Extension Section 2 and Section 3 Projects, Southeast Gateway Line Project, Sepulveda Transit Project, Eastside Transit Corridor Phase 2 Project, and K Line Northern Extension. Los Angeles County has challenging geologic, seismic and tunneling conditions and deep underground station construction, with some through fault rupture zones, tar impregnated soil, toxic gases, high concentration of methane, squeezing ground and high groundwater pressures. While Metro has extensive experience from both staff and engineering consultants, there is the need for an ind...
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