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Floodwall Inspection ReportMEMORANDUM December 27, 2001 TO: The Honorable Mayor and City Council Members FROM: Michael C. Van Milligen, City Manager SUBJECT: Floodwall Inspection Report Operations and Maintenance Department Manager Don Vogt has forwarded the Floodwall Inspection Report from the U.S. Army Corps of Engineers. In every category the City received the highest Corps rating of acceptable. In the cover letter to Street/Sewer Maintenance Supervisor John Klostermann, the Corps of Engineers states, "I commend you for your fine efforts in maintaining your flood control project. Your efforts will help insure the project continues to provide the maximum amount of flood protection. The city of Dubuque and its employees are recognized for the excellent work." Michael C. Van Milligen MCVM/jh Attachment cc: Barry Lindahl, Corporation Counsel Cindy Steinhauser, Assistant City Manager Don Vogt, Operations and Maintenance Manager CITY OF DUBUQUE, IOWA MEMORANDUM December 20, 2001 TO: FROM: SUBJECT: Michael C. Van Milligen, City Manager Don Vogt, Operations and Maintenance Manager Floodwall Inspection Report The attached floodwall inspection report from the U.S. Army Corps of Engineers is for your information. As you may note from the general comments in the center of page 1, the Corps is highly complimentary of the efforts of John Klostermann and his crews. Attachment ~LY TO ATTENTION OF: DEPARTMENT OF THE ARMY ROCK ISLAND DISTRICT. CORPS OF ENGINEERS CLOCK TOWER BUILDING - P.O. BOX 2004 ROCK ISLAND, ILLINOIS 61204-2004 December 17, 2001 Emergency Management Division Mr. John Klostermaun 925 Kerper Blvd. Dubuque Iowa 52001 Dear Mr. Klostermann: This letter is in reference to the Dubuque Local Flood Protection Project Continuing Eligibility Inspection performed on November 1, 2001. The overall general condition for the project is considered Acceptable as defmed by Public Law (PL) 84-99 project maintenance standards. The enclosed report and photographs provide details of the inspection results. An effective maintenance program based on PL 84-99 requirements is necessary to insure maximum flood protection during periods of high water. Additionally, a project in good standing remains eligible for consideration of repair assistance under PL 84-99 should it become damaged during a flood event. I commend you for your fine efforts in maintaining your flood control project. Your efforts will help insure the project continues to provide the maximum amount of flood protection. The city of Dubuque and its employees are recognized for the excellent work. As a reminder, you are required to perform an annual interim inspection of your flood control works. At the conclusion of your inspection, you are to send a report to this office noting all the maintenance efforts that have been accomplished. My office should receive the report no later than August 1, 2002. A summary of your inspection, the maintenance work performed, and the operation of the flood protective works should be included. Also attached, please find a pre-addressed postage paid "Levee Inspection Program Customer Survey" form. Please take time to complete this survey, fold, staple and return it to this office. This survey aids us in improving our program services. Questions regarding the enclosed written report results will be taken by Mr. Rodney Delp at (309) 794-5230, or Email Rodney.L.Delp@usace.army.mil Sincerely, Kent A. Stenmark Assistant Chief, Emergency Management Division Encl Insp. report Customer Survey FEDERAL - 2001 FLOOD CONTROL WORKS INSPECTION REPORT 1. Name of Flood Control Works: Dubuque, IA 2. Date of Field Inspection: November 1, 2001 3. Inspectors: Corps of Engineers: City of Dubuque: David Vamer Tom Mack John Klostermann 4. Inspection Procedures Followed: Walked and drove the entire levee, discussed recent and planned improvements 5. General Condition of Flood Control Works: The general overall condition of the levee system is considered: ACCEPTABLE General Comments: The levee system sustained some damages due to the 2001 springtime high water. APL 84-99 repair contract is underway at the time this report is being written. The damages include loss of riprap and section loss within the 7th Street Harbor. The City has again done an excellent job of maintenance and preventive maintenance. They patrolled the levee during the high water and took immediate action when required. The photo locations are shown on the attached map. RATING ITEM LOCATION RECOMMENDATIONS/REMARKS (Photo & Map ID) NOTE: R/S - Riverside L/S - Landside LEVEE A Depressions A Erosion A Slope Stability A Seepage Areas A Animal Burrows Very mimimal animal activity was noted during the inspection. The City has aggressively attacked this problem with a trapping program. A Unwanted Levee City keeps weeds down and mows clay levee sections on a regular basis. Growth N/A Grazing .RATiNG ITEM LOCATION REC OMMENDATIONS/REMARKS NOTE: R/S - Riverside L/S - Landside h Grass cover '~ A Encroachments A Rutting FLOOD WALLS A Stability of Floodwalls exhibited minor seepage and leakage thru waterstops during high concrete structures water. No cause for concern. A Concrete surfaces REVETTED AREAS Riprap was lost during the spring high water. PL 84-99 contract is repairing A Riprap/ several areas. Revetment A Encroachment RATING ITEM LOCATION RECOMMENDATIONS/REMARKS NOTE: R/S - Riverside L/S - Landside A Unwanted Growth Riprap areas are sprayed yearly and growth is kept in check. Noticeable improvement along the North side of 7th Street harbor. DRAINAGE STRUCTURES A Toe Drains A Relief Wells A Culverts/Pipes A Concrete A Structural Foundations A Gatewells CLOSURE STRUCTURES A Concrete Surfaces 4 RATiNG ITEM LOCATION RECOMMENDATIONS/REMARKS NOTE: R/S - Riverside L/S - Landside A Gates Various locations Gates are well maintained. Gate near Sta 86+00A This gate is scheduled for maintenance this year. All other swing closure gates have been repaired recently. A PUMP STATION All pump stations were visually inspected during this inspection and appear in good condition. A Structure A MISC Condition Ratings Recommendations A -- Acceptable No immediate work required M -- Minimally Acceptable A deficient condition(s) exists which needs to be improved by the levee owner. The inspectors' evaluation should establish specific time periods within which the minimally acceptable performance items must be upgraded to acceptable. U -- Unacceptable Items, which fall into this category, will render the FCW ineligible for rehabilitation trader PL 84-99 unless immediate corrective action is taken by owner/sponsor to upgrade the deficiencies to at least minimally acceptable. Though the goal is to accomplish all necessary work prior to the next flood season, the district may establish a reasonable time period and schedule that is to be coordinated with the appropriate divisions office and owner/sponsor. The Emergency Management Division/Branch will notify the owner of potential impacts of this condition. 5 LOCAL OFFICIALS NAME ADDRESS PHONE John Klostermann 925 Kerper Blvd 319-589-4250 Street Sewer Maint Dubuque, IA 52001 Supervisor Michael Koch 50 W 13tn St 319-589-4270 Director of Public Dubuque, IA 52001 Works Terry Duggan 50 W 13tn St 319-589-4110 Mayor Dubuque, IA 52001 CORPS OFFICIALS NAME ADDRESS PHONE David Vamer Clocktower Bldg, Atto: ED-DM 309-794-5603 Flood Area Engineer i Rock Island, IL 61204-2004 Terry Stieger Clocktower Bldg, Atto: EM 309-794-5325 Emergency Mngmnt Rock Island, IL 61204-2004 1. Looking upstream, below L/D 11, part of PL 99 repair project 2. Bike trail along Peosta Channel 3. Clean riprap along Peosta Channel, will add riprap at gatewells 4. Outlet at Bee Branch pmnp station, missing riprap, PL 99 repair 7 Street Harbor, sparse riprap lower section 7. Floodwall near power plant 6. U/S treet Harbor, note clean condition 8. Levee section near Star Brewery 9. Nero' D/S end, area that boils during high water Street Harbor 10. D/S trail, note clean riprap condition 12. Close u ~ of PL 99 repair area 1. Looking upstream, below L/D 11, part of PL 99 repair project 3. Clean riprap along Peosta Channel, w 11 add riprap at gatewells 7 2. Bike trail along Peosta Channel 4. Outlet at Bee Branch pump station, missing riprap, PL 99 repair 5. U/S of 7th Street Harbor, sparse riprap lower section 7. Floodwall near power plant 8 6. U/S of 7th Street Harbor, note clean condition 8. Levee section near Star Brewery 9. Near D/S end, area that boils during high water 11. PL 99 repair area, 7th Street Harbor 9 10. D/S trail, note clean riprap condition 12. Close up of PL 99 repair area 63 Q ]0