Metro contractors are preparing to conduct a series of geotechnical field tests in the Beverly Hills area as a part of the Final Environmental Impact Statement/Environmental Impact Report (Final EIS/EIR) for the Westside Subway Extension. This work will build on the data gathered during the Draft EIS/EIR for the project and provide further soil and seismic information along the route of the Locally Preferred Alternative (LPA). In certain areas, noise and vibration tests will also be conducted. Following the tests, the data will be analyzed and used to make further informed decisions about subway construction.
Monday, April 4, 2011 through Friday, April 8, 2011 from 9:30am-4:00pm Metro contractors will conduct work at the following locations:
Note: Should any work need to be cancelled and rescheduled, Metro will inform you of new work date(s)/time(s).
The equipment to be used during the field testing is described below:
Sonic Core Drilling
Sonic core borings will be drilled at two locations along Santa Monica Boulevard to obtain soil/rock samples for characterization and testing, and will consist of a truck-mounted rig with a trailer and a crew of up to 4 personnel. As for all investigations, the work areas will be scanned for utilities prior to drilling, and the upper soils will be hand augered. Continuous samples of soil/rock will be retrieved using a variable-frequency drill bit; no drilling mud will be used. At the conclusion of drilling, the hole will be filled with grout and its top patched with asphalt to match the surrounding grade. Parking lanes and traffic lanes will need to be coned off during work.
What to Expect During Sonic Core Drilling:
Other Important Information:
For emergencies or issues needing immediate attention, please call 323.236.2117.
Comments may be submitted by:
Online: Complete our electronic Comment/Question Form
By U.S. Mail:
David Mieger, Project Director
DEO, Countywide Planning & Development
Los Angeles Metropolitan Transportation Authority
1 Gateway Plaza, M/S 99-22-5
Los Angeles, CA 90012
Phone messages are retrieved at least once every business day.
Please be sure to include all of your contact information in the body of your e-mail.
Join our growing Facebook page. Find us at: https://www.facebook.com/purplelineext
Follow us on Twitter: https://twitter.com/purplelineext
For viewing MS Word, Powerpoint, and Excel documents - Download Adobe Acrobat Reader (free) or use Google Docs Reader (online)