1 In addition local interests at South St. Paul have expended approximately $1,000,000 to provide partial flood protection in the project area, and local interests at St. Paul have expended about $2,500,000 to provide flood protection in other areas. Total length of flood barrier including levees, floodwalls, and closure structures (feet).. St. Paul.. South St. Paul. Entire project.. The Mississippi River flood plain area to be protected by the project totals about 1,200 acres. In St. Paul, it contains numerous manufacturing industries, bulk oil storage depots, and retail business and residential districts, and in South St. Paul, meatpacking plants and stockyards. Damages at St. Paul at time of flooding amounted to $315,400 and $2,067,000 for the 1951 and 1952 floods, respectively. At present prices, under current conditions of development, damages from floods similar to these would amount to about $476,000 and $3,060,000, respectively, all of which would be prevented by the project. Similarly, damages at South St. Paul at time of flooding amounted to $1,802,000 and $874,000 for the 1951 and 1952 floods, respectively, damages in 1952 having been reduced because of locally constructed levee improvements. Under current conditions of development and at current prices, damages from a recurrence of the 1951 flood, including protection provided by an existing levee constructed immediately following the 1951 flood, would amount to $73,500. A recurrence of the 1952 flood, assuming failure of the existing levee and the sewage plant walls would amount to $9,691,000. These damages would be prevented if the project were in operation. Damaging floods occur on an average, about every 4 years. Fiscal year 1965. The requested amount of $600,000 will be applied toInitiate construction of improvements at South St. Paul__ Engineering and design_-_ Supervision and administration___. Total___. $483, 000 70,000 47,000 600, 000 Non-Federal costs.-The initial investment required of local interests in construction of the authorized project is estimated at $1,351,000 broken down as follows: At South St. Paul, local interests constructed levees before the 1951 flood and during and following this flood they raised and strengthened them at a total cost of about $1 million. At St. Paul, the city has constructed flood protection works on the left bank of the river at a cost in excess of $2,500,000. Local interests are required to maintain and operate the project in both cities upon completion. It is estimated that the average annual expenditure for maintenance, operation, and replacement will total $14,300 for St. Paul and $19,000 for South St. Paul. Status of local cooperation.-Local interests in St. Paul have furnished assurances, lands, and the cash contribution. Formal assurances for South St. Paul will be requested upon approval of the design memorandum. Comparison of Federal cost estimates.-The current Federal cost estimate of $7,560,000 is an increase of $1,140,000 over the latest estimate ($6,420,000) submitted to Congress. This change includes increases of $816,000 based upon design changes, $75,000 based on higher price levels, and $377,000 based on a reanalysis of requirements for engineering and design and for supervision and administration. These increases were partially offset by a decrease of $128,000 based on reduction of contingencies and savings on completed work on the St. Paul unit. Summary construction program (PB-1), fiscal years 1964 and 1965 Location. The project is located at Winona, in southeastern Minnesota, on the right bank of the Mississippi River. Authorization.-1958 Flood Control Act. 1 In addition, local interests have expended $544,000 to provide partial flood protection in the project area. Periodic high-river stages at Winona, particularly during the record floods of 1951 and 1952, have caused extensive damage in the area. The city is located on alluvial deposits of pervious sand and gravel, and high stages on the Mississippi River not only result in inundation of the area but also cause a general rise in the water table with accompanying seepage into basements and sewers. Damages to basements are caused by underground seepage at a stage of 12 feet, and damages from overland flow are incurred at a stage of 13 feet. At the latter stage, business, residential, industrial, and public properties are affected. Because of the flat topography the area affected increases rapidly with moderate increases in stage. The 1952 flood reached a stage of 17.9 feet and caused estimated damages of $1,388,500. Under present conditions and at present prices a comparable flood would cause damages amounting to $6,275,000, all of which would be prevented if the project were in operation. Fiscal year 1965.-The requested amount of $800,000 will be applied to: Supervision and administration__. Total___ $746,000 4,000 50,000 800,000 Non-Federal costs.—The investment required of local interests in construction of the authorized project is estimated at $177,000, broken down as follows: Local interests are required to maintain and operate the project upon completion. It is estimated that the average annual expenditure for maintenance, operation, and replacement will total $7,500. Improvements for flood control have been constructed by the city of Winona and others at various times since 1885 at a total cost of about $544,000. Status of local cooperation.-Formal assurances have been requested. Comparison of Federal cost estimates.-The current Federal cost estimate of $1,930,000 is a decrease of $210,000 from the latest estimate ($2,140,000) submitted to Congress. This change is based on a decrease of $443.000 based on design changes partially offset by increases of $34,000 for higher price levels, $180,000 for addition of recreation facilities, and $19,000 based on a reanalysis of requirements for engineering and design and for supervision and administration. Project cost estimate Summary construction program (PB−1), fiscal years 1964 and 1965 Item Location. The project lies on the right bank of the Mississippi River, approximately 13 miles above the city of Hannibal, Mo., in Marion County. Authorization.-1954 Flood Control Act. In addition, local interests since 1914 expended approximately $202,000 on construction and in exces of $322,000 on maintenance and operations to provide partial flood protection in the project area. |