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AS THE BOARD OF *,_ .'_.
TO. BOARD OF SUPERVISORS �
Contra
DIRECTORS, CANYON LAKES GEOLOGIC
HAZARD ABATEMENT DISTRICTCosta
FROM: MAL�ICE I. SH1J, PUBLIC WORKS DIRECTOR -•�4~
County�,�. �
Q
DATE: March 8, 2005 Coe
SUBJECT: APPROVE and AUTHORIZE the General Manager of Canyon Lakes Geologic Hazard Abatement
District(GHAD)to execute a contract amendment with ENGEO,Inc.effective March 8,2005 to increase
the payment limit by$24,500 to a new payment limit of$50,000 for Geotechnical Engineering Services
for the GRAD, San Ramon area. (District III)Project No. 7761-6X5148
SPECIFIC REQUEST(S)OR RECOMMENDATION(S)&BACKGROUND AND JUSTIFICATION
RECOMMENDED ACTION:
APPROVE and AUTHORIZE the General Manager of Canyon Lakes Geologic Hazard Abatement District(CHAD)
to execute a contract amendment with ENGEO, Inc. effective March 8, 2005 to increase the payment limit by
$24,500 to a new payment limit of$50,000 for Geotechnical Engineering Services for the GRAD,
FISCAL IMPACT:
There is no impact to the County General Fund.The Canyon Lakes CHAD is funded through revenues generated by
special assessments on properties within the boundaries of the Canyon Lakes CHAD. Canyon Lakes GHAD will
fund 100%of the contract cost.
CONTINUED ON ATTACHMENT: 0 SIGNATURE:
RECOMMENDATION OF COUNTY ADMINISTRATOR RECOMMENDATION OF BOARD COMMITTEE
APPROVE OTHER
SIGNATURE(S):..
ACTION OF BO ON MARCH 08, 2005 APPROVED AS RECOMMENDED XX OTHER
VOTE OF SUPERVISORS: I HEREBY CERTIFY THAT THIS IS A TRUE AND CORRECT
COPY OF AN ACTION TAKEN AND ENTERED ON
XX UNANIMOUS(ABSENT NONE ) MINUTES OF THE BOARD OF SUPERVISORS ON THE
AYES: NOES: DATE SHOWN.
ABSENT: ABSTAIN:
Orig.Div: Public Works(Special Districts)
Contact: Eileen Doten(313-2253)
KG:ED:sr ATTESTED MARCH 08, 2005
G:\GrpData\SpDist\Board Orders\2005-Board Orders\Canyon Lakes GHAD\03-
08-05 BO(CL) Engeo Amend.doc
cc: County Administrator JOHN SWEETEN,CLERK OF THE BOARD OF
County Counsel
Gray-Bowen and Company SUPERVISORS
M.Fong,Sp.Dist.
BY: ,DEPUTY
SUBJECT: APPROVE and AUTHORIZE the General Manager of Canyon Lakes Geologic Hazard Abatement
District (GHAD) to execute a contract amendment with ENGEO, Inc. effective March 8, 2005 to
increase the payment limit by $24,500 to a new payment limit of $50,000 for Geotechnical
Engineering Services for the GHAD, San Ramon area. (District III) Project No. 7761-6X5148
DATE: March 8, 2005
PAGE: 2 of 2
REASONS FOR RECOMMENDATIONS AND BACKGROUND:
In the summer of 2004,the GHAD entered into an agreement with ENGEO,Inc. to retain the geotechnical firm to
provide services within the Canyon Lakes GHAD area. At the time of the contract initiation, ENGEO was not
providing services for any large-scale projects identified within the Canyon Lakes GHAD. It was expected that the
on-call services would be limited to reading monitoring instruments throughout the GHAD and occasional
consultation. Since that time,an investigation has been undertaken by the Canyon Lakes GHAD to evaluate elevated
water levels identified at the San Ramon Regional Medical Center and at the Lakes on Canyon Lakes Home Owners
Association property.
The GHAD discovered that water levels at the Medical Center were higher than expected based on original design
conditions and need to be lowered. Therefore,the GHAD retained ENGEO to install additional piezometers at the
site to better evaluate water levels to aid in design and post installation evaluation of the proposed water-lowering
horizontal drains. The GHAD will also use ENGEO to provide design consultation and construction observation
services for installation of the horizontal drains.
The GHAD also discovered that water levels at the Lakes on Canyon Lakes Homeowners Association property also
warrant further attention.The GHAD has retained ENGEO to conduct engineering analyses to evaluate the potential
impact. It is likely that water levels will have to be lowered,again using horizontal drains.If this work is necessary,
the GHAD will use ENGEO to provide design consultation and construction observation services for installation of
the horizontal drains.
ENGEO is conducting this work and providing this data to the Canyon Lakes GHAD through regular
communications. They are also participating in meetings, alongside GHAD staff, with the San Ramon Regional
Medical Center, the City of San Ramon and the Homeowners Associations for Canyon Lakes. Without the
augmentation of their budget, work would have to cease immediately on these projects.
CONSEQUENCES OF NEGATIVE ACTION:
Without Board approval,work on these important projects would have to cease immediately and the water levels
would not be lowered, resulting in slopes with compromised stability.
4y
9
SECOND AMENDMENT TO CONTRACT
This Contract amendment is effective March 8, 2005, between the Canyon Lakes
Geologic Hazard Abatement District (Public Agency), an agency formed under Section
26500 of the Public Resource Code and ENGEO, Inc. (Contractor), a company doing
business at 2010 Crow Canyon Place, Suite 250, San Ramon, CA 94583-4634.
WHEREAS,Public Agency and Contractor previously entered into a contract dated July 1,
2004,which Contract was authorized by the General Manager;
WHEREAS, said contract was amended on October 19, 2004 increasing the contract
payment limit from$15.,000 to $24,500;
THEREFORE, Public Agency and Contractor mutually agree to amend said contract to
increase the contract payment limit from$24,500 to $50,000.
In all other respects,the contract dated July 1, 2004 shall remain in full force and effect.
In WITNESS WHEREOF,Public Agency and Contractor have executed this Contract as of
date written on the first paragraph of this Contract.
PUBLIC AGENCY
By:
Gray-Bowen and Company, Inc
General Manager
CONTRACTO
By:
Al
Uri Eliahu, President
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