HomeMy WebLinkAboutMINUTES - 10221996 - C54 TO: BOARD OF SUPERVISORS
FROM: J. MICHAEL WALFORD, PUBLIC WORKS DIRECTOR
DATE: October 22, 1996
SUBJECT: Determine the Need to Continue the Emergency Action Regarding the Repair of"Hill 310"
Land Creep, Bay Point
Project No.: 4500-6G5094
SPECIFIC REQUEST(S)OR RECOMMENDATION(S)&BACKGROUND AND JUSTIFICATION
I. Recommended Action:
DETERMINE that there is a need to continue the emergency action taken by the Board of
Supervisors on June 4, 1996 pursuant to Public Contract Code Sections 22035 and 22050, to
repair the "Hill 310" Land Creep, Bay Point.
II. Financial Impact:
Total cost of repairs cannot be fully determined at this time, but staff is developing an estimate
for completion of the repair.
III. Reasons for Recommendations and Background:
A. On February 26, 1996, Public Works and Building Inspection were notified that cracks
were occurring in Beaulieu Court. The County hired a geotechnical firm to identify the
cause of the slide, and recommend and direct remedial actions to mitigate land movement.
B. On March 19, 1996 the Board of Supervisors concurred in the County Administrator's
proclamation of a local emergency.
C. On June 4, 1996 the Board of Supervisors declared an emergency and authorized the
Public Works Director to proceed in the most expeditious manner to repair the area subject
to creep.
Continued on Attachment: X SIGNATURE:
RECOMMENDATION OF COUNTY ADMINISTRATOR
_RECOMMENDATION OF BOARD COMMITTEE
APPROVE —OTHER
SIGNATURE(S):
ACTION OF BOARD ON OCT 2 2 19% APPROVED AS RECOMMENDED_OTHER
VOTE OF SUPERVISORS
�/' UNANIMOUS (ABSENT )
AYES: NOES:
ABSENT: ABSTAIN:
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Contact: Pattie McNamee(313-2303) lip
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Auditor/Controller
County Counsel a
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Design Div. �/
Construction Div.
Maintenance Div.
Determine the Need to Continue the Emergency Action Regarding the Repair of "Hill 310" Land Creep
October 22, 1996
Page Two
III. Reasons for Recommendations and Background (cont'd):
D. Repair.status:
1. Ford Construction Company, Inc. is under contract to complete the first phase of the repair
consisting of an earth buttress. Work began on September 3, 1996 and is expected to be
completed by mid-November.
2. Judd Drilling is under contract to complete the second phase of the repair consisting of a
drainage gallery. This work began September 25, 1996 and is expected to be completed
by late November.
3. Real Property staff has completed acquisition of the last three properties at the end of
Sandy Cove Lane. These properties are required to complete the construction of the earth
buttress.
4. Geotechnical and civil engineering consultants are preparing a summary report of the
investigation, analysis, and repair. The consultants have installed subsurface monitoring
devices in the project site and will monitor the instrumentation during the construction
period of this project.
5. Environmental staff members are preparing a report detailing proposed mitigation for the
wetland impacts resulting from the project. This report will be submitted to the appropriate
regulatory agencies for review and approval.
IV. Consequences of Negative Action:
Repair work would not be completed before next winter.