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Home My WebLink AboutMINUTES - 04281998 - C80 TO: BOARD OF SUPERVISORS FROM: J. MICHAEL WALFORD, PUBLIC WORKS DIRECTOR DATE: April 28, 1998 SUBJECT: Approve the 1998 Storm Damage Repair Project, Countywide Project No. 4500-TX9PO9 CDD-CP #98-40 Specific Request(s) or Recommendations) & Background & Justification I. RECOMMENDED ACTION: APPROVEProject, and DETERMINE that the project is a California Environmental Quality Act (CEQA) Class 1d Categorical Exemption, and DIRECT the Public Works Director to prepare contract plans and specifications for construction. DIRECT the Director of Community Development to file a Notice of Exemption with the County Clerk. DIRECT the Public Works Director to arrange for payment of the $25.00 handling fee to the County Clerk for filing of the Notice of Exemption. Continued on Attachment: SIGNATURE: Ac_ RECOMMENDATION OF COUNTY ADMINISTRATOR _RECOMMENDATION OF BOARD COMMITTEE —APPROVE —OTHER SIGNATURE(S): ACTION OF BOARD ON April 29, 1998 APPROVED AS RECOMMENDED x _ VOTE OF SUPERVISORS X _ UNANIMOUS(ABSENT } AYES: NOES: ABSENT: ABSTAIN: I hereby certify that this is a true and correct copy of an action taken and entered on the g:ldisignlboltw98stormdamage4-26.wpd minutes of the Board of SUpBrVISOrS on the Contact: PublcWorSellgren(31ks -2296ision) date shown. Contact: Coca County Ad in{trator 96) Aril 28, 1998 cc: Attm Administrator ATTESTED: Attn E.Kuivor - Auditor-Controtiar PHIL BATCHELOR I Clerk of the Board PW Accounting Construction of Supervisors and C my Administrator Community Development-A.Woods Bydd.d isfi '� Deputy .........................................................................................................................................................111111'', ......................................................................................................................................... Approve the 1998 Storm Damage Repair Project, Countywide Project No. 4500-TX9PO9 CDD-CP #98-40 April 28, 1998 Page 2 DIRECT the Public Works Director to begin right of way acquisition. III. FINANCIAL IMPACT: The project cost is funded by either Federal Highway Administration (100%) or Federal Emergency Management funds (75%) and State (25%) funds. Ill. REASONS FOR RECOMMENDATION/BACKGROUND: The project includes repairing bank erosion and slip-outs by excavating and removing loose slope material and replacing it with rock slope protection (RSP) or gabion walls. One location requires a headwall to be replaced and two locations require silt removal from stream channels. Some small diameter non-native trees may be removed to complete the project however, they do not represent a scenic resource. Repairs will occur at the following sites: Site Location Type of Repair Grayson Creek upstream of Chilpancingo(Fig. 2) Repair 90'x15' bank erosion with RSP San Ramon Creek u/s&d/s Diablo Road (Fig. 3) Repair four sites w/RSP ranging from 10'50' in length Green Valley Creek(East branch) u/s of Diablo Replace gabion wall 6'x180' Road(Fig. 4) Wildcat Creek siltation basin, d/s Giaramita Street Desilt 10,000 cy silt from basin (Fig. 5) Withers Avenue(btwn. Pleasant Hill Road and Repair headwall at box culvert Taylor Blvd. (Fig.6) Alhambra Valley Road 2.5 mi. East of Bear Creek Repair bank erosion w/RSP or gabions =50' Road (Fig. 6) in length Alhambra Valley Road @ Pinole Creek(Fig. 7) Repair washout w/RSP or gabions z 200' in length The project is needed to repair existing County infrastructure. The project has been determined to be in compliance with the General Plan and is exempt from CEQA because the project will not have a significant affect on the:environment. IV. CONSEQUENCESOFNEGATIVE ACTION: Delay in approving the project will result in a delay of design and construction and may jeopardize funding. ............. -----_----- CONTRA PUBLIC WORKS DEPARTMENT COSTA INITIAL STUDY COUNTY OF ENVIRONMENTAL SIGNIFICANCE PROJECT #4500-TX9P09 Tok-1) r-o6.' CP# 98-40 -ro C)CV0:j PROJECT NAME: 1998 Storm Damage Repair Project PREPARED BY: Janet Frattini DATE: April 20, 1998 APPROVED BY: DATE: RECOMMENDATIONS: (V) Categorical Exemption (Class 1d) Negative Declaration ( ) Environment Impact Report Required Conditional Negative Declaration The project will not have a significant effect on the environment. The recommendation is based on the following: The proposed project consists of restoring and/or rehabilitating deteriorating or damaged structures or facilities. Repairs may include minor alterations to,existing facilities that may require installation of rock slope protection, replacing a gabion wall, repairing a headwall, and desilting stream channels. The repairs will not involve an expansion of use beyond that previously existing nor result in the removal of any scenic resources. What changes to the project would mitigate the identified impacts . N/A USGS Quad Sheet Base Map Sheet # Parcel # N/A GENERAL CONSIDERATIONS: 1. Location: Creek bank repairs are located on several creeks within the county (Figures 1-7). 2. Project Description: The project consists of repairing bank erosion and slip-outs by excavating and removing loose slope material and replacing it with rock slope protection (RSP) or gabion walls. One location requires a headwall to be replaced and two locations require silt removal from stream channels. Some small diameter non-native trees may be removed to complete the project however, they do not represent a scenic resource. Repairs will occur at the following sites: Site Location Type of Repair Grayson Creek upstream of Chilpancingo (Fig. 2) Repair 90'x15'bank erosion with RSP San Ramon Creek uls & d1s Diablo Road (Fig. 3) Repair four sites w/RSP ranging from 10'-50' in length. Green Valley Creek (East branch) uls of Diablo Road (Fig. 4) Replace gabion wall 6'x180'. Wildcat Creek siltation basin, d/s Giaramita Street (Fig, 5) Desilt 10,000 cy silt from basin Withers Avenue (btwn. Pleasant Hill Rd. and Taylor Blvd. (Fig. 6)Repair headwall at box culvert Alhambra Valley Road 2.5 mi. east of Bear Creek Road (Fig.6) Repair bank erosion w/RSP or gabionsz50' in length Alhambra Valley Road @ Pinole Creek (Fig. 7) Repair washout w/RSP or gabionsw 200' in length 3. Does it appear that any feature of the project will generate significant public concern? yes [.4] no maybe (Nature of concern): 4. Will the project require approval or permits by other than a County-agency? V] yes no Agency Name(s) Yes, Department of Fish & Game, Regional Water Quality Control Board, Army Corps of Engineers 6. Is the project within the Sphere of Influence of any city? Yes, Pleasant Hill, Danville, and Richmond. hAcatempt\98stormdamageini (Rev 2197)