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HomeMy WebLinkAboutRES NO 039-01aESOLVTION N-o 0 3 9 ' 0 I WATER BOARD Na 01-03 W.B. A RESOLUTION OF THE COUNCIL OF THE CITY OF BAKERSFIELD ADOPTING A MAINTENANCE AND OPERATION PLAN FOR THE KERN RIVER SOUTH LEVEE (PHASE 2). WHEREAS, as a continuation of the Kern River South Levee, the City of Bakersfield agreed to operate and maintain an earthen levee along the future alignment of Allen Road south of the Kern River to a point approximately one-half mile south; and WHEREAS, the Federal Emergency Management Agency (FEMA) requires an adopted maintenance and operation plan for the Kern River South Levee (Phase 2) from the community Chief Executive Officer (Mayor); NOW, THEREFORE, BE IT RESOLVED by the Council of the City of Bakersfield as follows: Pursuant to Section 12 of the City Charter, the "South Levee Upgrade (Phase 2) for the Kern River Operations and Maintenance Plan" is hereby established and attached hereto and marked "Exhibit A." .......... 000 .......... O~IIGINAL I HEREBY CERTIFY that the foregoing Resolution was passed and adopted by the Council of the City of Bakersfield at a regular meeting thereof held on MAR 2 8 2[li11 . by the following vote: AYES: NOES: ABSTAIN: ABSENT: Councilmcmber Councilmcmber Councilmember CITY CLERK AND EX OFFICIO ~the Council of the City of Bakersfield APPROVED By HARVEY L. HALL Mayor APPROVED AS TO FORM: BART J. THILTGEN City Attorney Deputy City Attorney CITY OF BAKERSFIELD EXHIBIT NO.~ WATER RESOURCES DEPARTMENT OPERATIONS AND MAINTENANCE PLAN for the KERN RIVER SOUTH LEVEE - PHASE 2 - WEST OF BUENA VISTA ROAD PURPOSE: In conformance with mitigation measures for River Ranch Environmental Impact Report the Kern River South Levee Phase 2 Project Coleman Homes, Inc. is constructing a levee to mitigate flood hazards on their property. This levee will permit Coleman Homes, Inc. to build residential and commercial development on the vacant lands to the north and east of the Phase 2 Levee. The Federal Emergency Management Agency (FEMA) requires the responsible agency, the City of Bakersfield, to have an officially adopted maintenance and operation plan for the Phase 2 Levee. A) OPERATION PLAN: This project is located on a reach of the Kern River extending south from the Kern River South Levee Upgrade (Phase 1 project). The City now has jurisdiction and maintenance obligations over the first westerly 5000 feet measured downstream from the Stockdale Highway Bridge. During most years, the Kern River is dry in this area, since the water is diverted for irrigation. In addition to the City complement of labor and heavy equipment, a standby heavy equipment contractor is retained on an annual contract with a 24-hour notice clause to assist in this work. The contract with the Contractor will be extended to cover the Phase 2 Levee and will be utilized to make any major levee repairs. CLOSURE DEVICES: No closure devises exist or are proposed in the project area. FUTURE INTERNAL DRA1NAGE SYSTEMS: The future intemal drainage systems will be established in accordance with the regulation of the City of Bakersfield. These gravity facilities, maintained by the City of Bakersfield, will be designed with streets and drainage lines carrying storm waters to excavated sumps ~o receive the storm waters. The sumps are designed for receiving storms of 100-year frequency. AUTOMATIC FLOOD WARNING SYSTEMS: No automatic flood warning system exists or is proposed. B) JURISDICTION AND RESPONSIBLE PERSONNEL: The maintenance and repair of this levee facility is the responsibility of the City of Bakersfield, Kern County, State of California. The personnel responsible who have the aRthbl~6~ to order emergency work are as follows: Patrick E. Hauptm .al~.' Water ~ t)RIGINAL Superintendent, City of Bakersfield (661) 326-3715, Florn Core, Water Resources Director, City of Bakersfield (661) 326-3715, Gene Bogart, Water Resources Manager, City of Bakersfield (661) 326~3715. c) INSPECTIONS: The inspector shall keep a written log of the inspection activities and reports. The levee shall be routinely patrolled at least annually, after severe storms, when the channel has been carrying water flow in excess of 500 cubic feet per second, grass fires and for seismic events greater than M.5. During these examinations, erosion, vegetative cover, the 36" reinforced concrete drinking water pipeline crossing shall be carefully examined for signs of distress. The pipeline is located approximately 30 feet north of the Kern River Canal. MAINTENANCE: LEVEE REPAIR; rills, sloughing or erosion of the slopes of the levee shall be immediately repaired and be filled with suitable material and thoroughly compacted to a minimum of 95% of dry density as defined by ASTM D898. After a seismic event of M.5 or more, any sand boils or other damage shall be immediately repaired since the site may be subject to soil liquefaction. The standby Contractor shall be prepared to furnish equipment and materials for immediate major repairs should heavy damage occur. For the most severe circumstance, high river conditions, severe seismic event, the Contractor shall have available a Caterpillar 235 excavator, a Caterpillar 966 Loader, a self-propelled vibratory roller and a motor grader available within 24 hours. Particular attention shall be to the 36" reinforced concrete pipe crossing and any damage shall have immediate attention. VEGETATIVE WORK AND REPAIR: A well-established sod cover over the levee will be maintained to prevent erosion rills and sloughing and to withstand design velocities. The vegetative material on the levee shall be carefully preserved, fertilized and re-seeded or re-sodded as needed. Occasional spraying of brush growth with herbicides may be required to maintain the sod cover. The work shall be performed in accordance with CALTRANS STANDARD SPECIFICATIONS JULY 1992 DEPARTMENT OF TRANSPORTATION STATE OF CALIFORNIA, Section 20 and the slopes shall be hydroseeded with the following mixture: GRASSES: 4 lbs per 1000 Unhuled Bermuda, 10 lbs per 1000 Annual Rye Grass, 2 lbs per 1000 Blondo Broom. HYDROSEED APPLICATION, the hydroseed slurry shall contain the seed as specified above, mulch and water in the following amounts per acre: Virgin Wood Fiber mulch 800 lbs. per acre, seed as specified. Water 300 gals/min. Fertilizer, if needed shall be 7-20-20 or equal. RIPRAP: Should riprap be found necessary to protect portions oflevee from erosion, the following treatment will be utilized: from CALTRANS STANDARD SPECIFICATIONS JULY 1992 DEPARTMENT OF TRANSPORTATION STATE OF CALIFORNIA, and may consist of non-concreted concrete debris without rebar or facing class rock. A footing trench will be constructed at the toe of the slope and method B Placement utilized in accordance with Section 72.503. RODENT CONTROL: When burrowing rodent damage is observed rodent control measures will be taken. Excavation and repair will be immediately performed.