File #: 2021-0776   
Type: Contract Status: Passed
File created: 11/30/2021 In control: Board of Directors - Regular Board Meeting
On agenda: 1/27/2022 Final action: 1/27/2022
Title: AUTHORIZE Contract Modification No. 17 (CCO 17) for payment to the California Department of Transportation (Caltrans) for the construction contract of South Segment of the SR-71 Improvements Project between Mission Blvd and Los Angeles/San Bernardino County Line (The Project) in an amount not to exceed $4.5 million within the overall corridor Life of Project (LOP) budget.
Sponsors: Construction Committee
Indexes: Budget, Budgeting, Construction, Contractors, Contracts, High occupancy vehicle lanes, Measure M, Metrolink San Bernardino Line, Payment, Project, Safety, Start of first construction, Subsidies, Testing
Attachments: 1. Attachment A - SR-71 CCO Log
Related files: 2022-0109
Meeting_Body
CONSTRUCTION COMMITTEE
JANUARY 20, 2022

Subject
SUBJECT: STATE ROUTE 71 (SR-71) IMPROVEMENTS (SOUTH SEGMENT): UPGRADE 1.8 MILES OF THE EXISTING EXPRESSWAY TO A 6-LANE FWY BETWEEN MISSION BLVD AND LOS ANGELES/SAN BERNARDINO COUNTY LINE

Action
ACTION: APPROVE RECOMMENDATIONS

Heading
RECOMMENDATION

Title
AUTHORIZE Contract Modification No. 17 (CCO 17) for payment to the California Department of Transportation (Caltrans) for the construction contract of South Segment of the SR-71 Improvements Project between Mission Blvd and Los Angeles/San Bernardino County Line (The Project) in an amount not to exceed $4.5 million within the overall corridor Life of Project (LOP) budget.

Issue
ISSUE

The construction contract for SR-71 improvements between Mission Blvd and Los Angeles/San Bernardino County Line encountered several problems including special requirements for excavation near the SCE power poles, utilities conflicts not identified during design, contaminated soil, and third-party delays. When the contractor started excavating for the construction of drainage culverts in August 2021, contaminated soil was encountered. Further investigations confirmed the presence of arsenic. The excavation work was immediately halted. Caltrans determined that the contaminated soil had to be appropriately disposed under the EPA regulations.

After consulting with disposal sites that are permitted to accept arsenic-contaminated soil, Caltrans estimated an approximated cost of $4.5 million to properly dispose the excavated soil.

Contract modifications exceeding $500,000 require Board authorization. ...

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