HomeMy WebLinkAboutMINUTES - 05222012 - C.12RECOMMENDATION(S):
APPROVE the Los Altos Drive Repair Project, and
AUTHORIZE the Public Works Director, or Designee, to advertise the project [DCD-CP#12-18] Project No.:
0672-6U2519, and
FIND the project is a California Environmental Quality Act (CEQA), Class 1c Categorical Exemption, pursuant to
Article 19, Section 15301(c) of the CEQA Guidelines, and
DIRECT the Director of Conservation and Development to file a Notice of Exemption with the County Clerk, and
AUTHORIZE the Public Works Director to arrange for payment of $25 fee to Conservation and Development for
processing, and a $50 fee to the County Clerk for filing the Notice of Exemption.
APPROVE OTHER
RECOMMENDATION OF CNTY ADMINISTRATOR RECOMMENDATION OF BOARD COMMITTEE
Action of Board On: 05/22/2012 APPROVED AS RECOMMENDED OTHER
Clerks Notes:
VOTE OF SUPERVISORS
AYE:John Gioia, District I
Supervisor
Mary N. Piepho, District III
Supervisor
Karen Mitchoff, District IV
Supervisor
Federal D. Glover, District V
Supervisor
ABSENT:Gayle B. Uilkema, District II
Supervisor
Contact: K. Birden 925-313-2311
I hereby certify that this is a true and correct copy of an action taken and entered on the minutes of the
Board of Supervisors on the date shown.
ATTESTED: May 22, 2012
David Twa, County Administrator and Clerk of the Board of Supervisors
By: STACEY M. BOYD, Deputy
cc:
C.12
To:Board of Supervisors
From:Julia R. Bueren, Public Works Director/Chief Engineer
Date:May 22, 2012
Contra
Costa
County
Subject:APPROVE and AUTHORIZE the Public Works Director, or Designee, to advertise the Los Altos Drive Repair
Project and make related findings under CEQA
FISCAL IMPACT:
This project is funded with 100% Local Road Funds.
BACKGROUND:
The purpose of this project is to repair a landslide that occurred during the rainy season of 2011. The landslide
occurred on the north side of Los Altos Drive in an area of naturally vegetated hillside with an approximate
existing slope of between 4:1 and 2:1 (horizontal: vertical). The landslide is approximately 150 feet-wide, 330 feet
long and 10 feet high.
The Contra Costa County Public Works Department is proposing to stabilize the roadway and slope by
constructing a soldier-pile and lagging-wall below Los Altos Drive in the area of the landslide. A drainage system
and compacted fill will be placed directly behind the lagging wall, and approximately 150 to 200 feet of guardrail
will be constructed along the north side of Los Altos Drive just above the landslide area.
Although the project is located in a residential neighborhood, there is a potential for Alameda whipsnake to move
through the area; therefore, the Department is coordinating with U.S. Fish and Wildlife Service and the California
Department of Fish and Game to ensure no take of listed species occurs during the landslide repair. In addition,
the Department will have a biologist conduct a preconstruction survey and daily sweeps of the project area (repair
area and staging area).
The Department will also construct temporary wildlife exclusion fencing around the project areas to ensure no
listed species are allowed to enter the work area. One multi-trunk California live oak (approximately 12” dbh)
will be removed. Full road closure for 20 to 30 consecutive days may be required to facilitate construction of the
project. Because Los Altos Drive has two access points, access to all parcels surrounding the project areas will be
maintained at all times. Emergency vehicles will have access at all times. Utility relocations or adjustments may
be necessary in support of the project. Real property transactions may be necessary in support of this project.
Trees and shrubbery may need trimming throughout the project area.
CONSEQUENCE OF NEGATIVE ACTION:
Delay in approving the project will result in a delay of design and construction to repair the landslide and repair
Los Altos Drive.
CHILDREN'S IMPACT STATEMENT:
Not applicable.
ATTACHMENTS
Signed NOE- Figures