HomeMy WebLinkAboutMINUTES - 08252015 - C.01 (2)RECOMMENDATION(S):
APPROVE the Las Trampas Creek Repair at Boulevard Way Bridge Project (Project), as recommended by the
Public Works Director, Walnut Creek area, [County Project No. 0672-6U2507, DCD-CP#12-35] (District II), and
DETERMINE the Project is a California Environmental Quality Act (CEQA), Class 1(c) Categorical Exemption,
pursuant to Article 19, Section 15301 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 a $25 fee to Conservation and Development for
processing, and a $50 fee to the County Clerk for filing the Notice of Exemption.
FISCAL IMPACT:
100% Local Road Funds.
BACKGROUND:
A scour hole approximately 3 feet deep, 45 feet long and 20 feet wide has developed on the upstream side of
Boulevard Way Bridge around the column footings. The streambed has scoured down to sandstone bedrock and may
eventually impact the mid-span bridge column footings. There is also scouring at the toe of the slope of
APPROVE OTHER
RECOMMENDATION OF CNTY ADMINISTRATOR RECOMMENDATION OF BOARD COMMITTEE
Action of Board On: 09/15/2015 APPROVED AS RECOMMENDED OTHER
Clerks Notes:
VOTE OF SUPERVISORS
AYE:John Gioia, District I Supervisor
Candace Andersen, District II
Supervisor
Karen Mitchoff, District IV Supervisor
ABSENT:Mary N. Piepho, District III Supervisor
Federal D. Glover, District V
Supervisor
Contact: A. Nattkemper, Environmental
(925) 313-2364
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: September 15, 2015
David Twa, County Administrator and Clerk of the Board of Supervisors
By: June McHuen, Deputy
cc: A. Nattkemper, Environmental Services, L. Mangabay, Finance, H. Finch, Maintenance Division
C. 1
To:Board of Supervisors
From:Julia R. Bueren, Public Works Director/Chief Engineer
Date:September 15, 2015
Contra
Costa
County
Subject:APPROVE the Las Trampas Creek Repair at Boulevard Way Bridge Project and related actions under the California
Environmental Quality Act.
BACKGROUND: (CONT'D)
the south bridge abutment, which is armored with grouted riprap. The scour is approximately 50 feet long, 2 feet
deep and extends approximately 3 feet horizontally under the riprap. The Project consists of filling the scour hole
upstream of the bridge’s mid-span column and at the toe of the slope along the south abutment with riprap.
CONSEQUENCE OF NEGATIVE ACTION:
Delay in approving the Project may result in a delay of construction.
CHILDREN'S IMPACT STATEMENT:
ATTACHMENTS
CEQA Documents