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TO: BOARD OF SUPERVISORS
Contra
FROM: Tom Powers, First District Supervisor Costa
DATE: March 24, 1987 County
SUBJECT: Public Information Campaign On Landslides in the E1 Sobrante Valley
SPECIFIC REQUEST(S) OR RECOMMENDATION(S) & BACKGROUND AND JUSTIFICATION
Recommendation:
1. that the Contra Costa Board of Supervisors instruct county staff
from the Office on Emergency Services, Community Development Department,
and Public Works Department to review current and potential landslide
areas in the E1 Sobrante Valley. Once these areas are identified,
county staff should meet with representatives from the East Bay Regional
Park District, East Bay Municipal Utility District, the City of Pinole,
the City of Richmond, and E1 Sobrante.
2. that county staff should endeavor to create maps for public review
and for use by all public agencies identifying current and potential
landslide areas.
3. that building departments prepare procedures to insure that
building does not occur in identified slide areas or where landslides
may be potentially hazardous to structures. These procedures should
include guidelines for grading to make certain that grading does not
cause potential slides.
4. that county staff adopt procedures to ensure that proper soil
studies are conducted on lands in the E1 Sobrante Valley.
5. that other public jurisdictions in the El Sobrante Valley should be
encouraged to adopt similar protective procedures.
Background:
The E1 Sobrante Valley has many areas that are not suitable for
development because of the serious risks of landslides. A lawsuit by 28
El Sobrante homeowners from the La Cima area over a massive landslide in
1983 alleged that the County was negligent. In settling this lawsuit,
the County spent $50,000. In another slide-related development, 14
townhouses in the Quail Hill subdivision have been declared unsafe
because of slide problems.
Many times people who own homes or businesses lack the necessary
information about current and potential landslide dangers. A public
information campaign would help potential buyers locate property in
areas suitable for development. In addition, the County would help
people avert the type of tragedy that occurred in 1983.
CONTINUED ON ATTACHMENT: YES SIGNATURE:
RECOMMENDATION OF COUNTY ADMINISTRATOR RECOMMENDATION OF BOARD COMMITTEE
APPROVE OTHER
SIGNATURE(S)
ACTION OF BOARD ON March 24, 1987 APPROVED AS RECOMMENDED X OTHER
VOTE OF SUPERVISORS
X UNANIMOUS (ABSENT IV ) I HEREBY CERTIFY THAT THIS IS A TRUE
AYES: NOES: AND CORRECT COPY OF AN ACTION TAKEN
ABSENT: ABSTAIN: AND ENTERED ON THE MINUTES OF THE BOARD
OF SUPERVISORS ON THE DATE SHOWN,
CC: OES Director ATTESTED ��
a!K /91f"y
Community Development Director Phil Batchelor, Clerk of the Board
Public works Director of Supervisors and County Administrator
County Administrator
M382/7.83 BY (OGS '� DEPUTY