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C. 9
To: Board of Supervisors
From: Julia R. Bueren, Public Works
Date: December  4, 2012
The Seal of Contra Costa County, CA
Contra
Costa
County
Subject: APPROVE the Byron Boys Ranch Sewer Pipeline Replacement and make related findings under the California Environmental Quality Act (CEQA), Byron area.

APPROVE OTHER
RECOMMENDATION OF CNTY ADMINISTRATOR RECOMMENDATION OF BOARD COMMITTEE

Action of Board On:   12/04/2012
APPROVED AS RECOMMENDED OTHER
Clerks Notes:

VOTE OF SUPERVISORS

AYE:
John Gioia, District I Supervisor
Candace Andersen, District II Supervisor
Mary N. Piepho, District III Supervisor
Karen Mitchoff, District IV Supervisor
Federal D. Glover, District V Supervisor
Contact: K. Birden 925-313-2190
cc: B. Perry, GSD    
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:     December  4, 2012
David Twa,
 
BY: , Deputy

 

RECOMMENDATION(S):

APPROVE the Byron Boys Ranch Sewer Pipeline Replacement [DCD-CP#12-42] Project No.: WZ0173, and  
  

FIND the project is a California Environmental Quality Act (CEQA), Class 2c Categorical Exemption, pursuant to Article 19, Section 15302(c) of the CEQA Guidelines, and  

  





RECOMMENDATION(S): (CONT'D)
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 Department of Conservation and Development for processing, and a $50 fee to the County Clerk for filing the Notice of Exemption.  

FISCAL IMPACT:

100% General Funds.

BACKGROUND:

The purpose of this project is to remove and replace an above-ground section of sewer pipe servicing the Orin Allen Youth Rehabilitation Facility (Byron Boys Ranch). The pipe removal and replacement will occur between Camino Diablo Road and Byer Road. The pipeline section that will be replaced is above-ground and is supported by concrete pillars. Recently, adjacent sections of the sewage pipe have been struck by automobiles and farm vehicles. The age of the pipe, combined with the potential for accidental strikes by vehicles, could cause a breach of the pipe and potentially release raw sewage; therefore, the Public Works Department is proposing to remove and replace this section of the sewage pipe. An approximately 1,260-foot-long section will be flushed prior to removal, and a new steel pipe will be placed on the existing concrete pillars. Operations to remove the existing sewage pipe will adhere to using Best Management Practices (BMPs). The pipe removal and replacement will include conducting work over a filled in portion of a drainage ditch. Impacts to the drainage ditch will be avoided by placing barriers between the project construction area and ditch. Spill prevention and control materials will be present at the project site at all times. While the existing sewage pipe is being removed and replaced, Byron Boys Ranch will have its sewage removed by sewage truck. Utility relocations or adjustments may be necessary in support of the project.

CONSEQUENCE OF NEGATIVE ACTION:

Delay in approving the project will allow aged pipe to continue to be exposed to the elements, with potential breach by pipe deterioration caused by weather or by accidental vehicle or farm implement contact, causing a potential environmental and public health hazard.

CHILDREN'S IMPACT STATEMENT:

Not applicable.

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