JUSTIFICATION The present controlling dimensions of the existing waterway are 6.5 by 100 feet. There is a need for navigation improvements to provide a 9-foot minimum depth channel in order to permit the free interchange of towing facilities between the Mississippi and Ouachita Rivers. A saving of $4.14 per ton on waterborne freight will be realized from the improved project. In 1957 commerce was 215,520 tons; in 1958 it was 325,221 tons; in 1959 it was 370,040 tons; in 1960 it was 495,376 tons; in 1961 it was 505,640 tons; and in 1962 it was 367,359 tons. The 1962 decrease was due to reduced demands for gravel and petroleum products from this immediate trade area. Local interests consider this reduction to be part of a normal pattern of fluctuation and temporary in nature. Fiscal year 1965.-The requested amount of $3 million will be applied to— Initiate: Lock structure (Columbia). Catahoula Lake diversion channel, Reach 1 (Jonesville) Recreational facilities (Columbia) – Recreational facilities (Jonesville) Initiate and complete: Pile test (Columbia) Complete : Initial excavation and service building (Columbia). Engineering and design (all 4 locks and dams) Total_____ $915, 000 5.000 80,000 30,000 360, 000 85,000 485,000 754, 000 286, 000 -3, 000, 000 The requested amount will be used to continue construction in a logical and orderly sequence. Funds are required for (a) initiation of Columbia lock structure to meet scheduled completion date and provide 9-foot navigation to Monroe, La., in fiscal year 1969, (b) initiation of Catahoula Lake diversion channel (Jonesville) as this work must be completed before Jonesville, lock and dam, can be placed in operation, (c) initiation of recreation facilities in the Columbia and Jonesville pools which can be constructed more economically before the pools are filled and which are needed now to meet public recreational demands, (d) initiation and completion of pile test for Columbia lock structure, (e) completion of initial excavation and service building (Columba), and (f) completion of dredging for lock structure (Columbia) to remove unstable material and permit construction to proceed without delay. Non-Federal costs.-The investment required of local interests in construction of the authorized project is estimated at $2,450,000 broken down as follows: Lands Relocations.. Pipelines. Roads_-_ Powerlines__ $2,274,000 161,000 (129,000) (6,000) (26,000) Local interests are required to furnish assurances satisfactory to the Seeretary of the Army that they will (a) furnish free of cost to the United States all lands, easements, and rights-of-way, including flowage rights in overflow areas, relocation of pipelines, and suitable spoil disposal areas necessary for construction of the project and for its subsequent maintenance, when and as required (b) provide adequate terminal and transfer facilities open to all on equal terms, and (c) hold and save the United States free from damages due to construction and maintenance of the project. Provided further that authority for a 9-foot depth shall expire 5 years from the date on which local interests are notified in writing by the Chief of Engineers of the requirement of local cooperation, unless responsible local interests, within the prescribed 5-year period. have furnished assurances satisfactory to the Secretary of the Army that the required local cooperation will be forthcoming. Status of local cooperation.-Assurances for the work in Louisiana have been furnished by the Louisiana Department of Public Works. Assurances have been received from Bradley, Calhoun, Union, and Ouachita Counties in Arkansas. Assurances for all lands in the Columbia pool in Arkansas have been received from Ashley County. Comparison of Federal cost estimates.-The current Federal cost estimate of $79,600,000 is an increase of $1,600,000 over the latest estimate ($78 million) submitted to Congress. This change includes increases of $1,455,000 for higher price levels and $145,000 based on more detailed design. Summary construction program (PB-1), fiscal years 1964 and 1965 MISSISSIPPI RIVER BETWEEN THE OHIO AND MISSOURI RIVERS (CHAIN OF ROCKS ONLY) (Continuing) Location.-The Chain of Rocks modification of the project is located in Madison County, Ill., on the left bank of the Mississippi River between river miles 184 and 194.5 above the mouth of the Ohio River. Authorization.-1945 River and Harbor Act. Benefit-cost ratio.-7.8 to 1 (composite for project, Mississippi River between the Ohio and Missouri Rivers). The Chain of Rocks modification consists of a lateral canal and bordering levees about 8 miles long, with a 1,200-foot main lock and 600-foot auxiliary lock. Both the main lock and the auxiliary lock were designed in 1946 with top of wall elevation at 432 feet. The west wall of the auxiliary lock, downstream of the upper-gate bay, was constructed only to elevation 403 for the sake of economy, with the intention that it would be raised to elevation 432 when navigation conditions demanded. Navigation conditions now are such that the west wall should be raised to the same elevation as that of the main lock. The traffic in 1945 amounted to 42 million tons and has increased steadily to about 35 million tons in 1962. Because of its uncompleted west wall, the auxiliary lock is not operable at stages above about 8.9 feet on the St. Louis gage. Prior to completion of dam 27. navigation has been able to use the open river at high stages and bypass the locks in the Chain of Rocks Canal. However, the new highway bridge being constructed immediately above dam 27 will limit vertical clearance at stages high enough to permit use of the open river to such an extent that use of the open river for commercial navigation will be quite limited. For a stage equal to the highest of record, vertical clearance will be limited to 21 feet. It is essential to provide an auxiliary lock operable at all stages to maintain traffic in case of damage to the main lock. Fiscal year 1965.-The amount of $1,300,000 will be applied to― Continue contract for raising west wall auxiliary lock_ Engineering and design_-_ Supervision and administration__. Total____. Status of local cooperation.-None required. $1,190, 000 10,000 100, 000 1,300,000 Comparison of Federal cost estimate.-The current Federal cost estimate of $43 million is the same as the latest estimate ($43 million) submitted to Congress. However adjustments were made in feature estimates based on more detailed studies. Summary construction program (PB-1), fiscal years 1964 and 1965 MISSISSIPPI RIVER BETWEEN THE OHIO AND MISSOURI RIVERS (REGULATING WORKS) Location. The project involves improvement of the Mississippi River from the mouth of the Ohio River to the mouth of the Missouri River. Authorization.-River and Harbor Acts of 1910, 1927, and 1930. Benefit-cost ratio.-7.8 to 1 (composite for project, Mississippi River between the Ohio and Missouri Rivers). The project provides for obtaining and maintaining a 9-foot depth channel for a distance of 195 miles by construction of dikes and revetment to restrict the 32-218-64-pt. 1-44 channel; by closing sloughs and secondary channels; by protecting banks from erosion; and by dredging and rock removal. Minimum channel width from the mouth of the Ohio River to St. Louis is to be 300 feet and thence 200 feet to the mouth of the Missouri River. The Mississippi River between the Ohio and and Missouri Rivers is a major artery of the inland waterway system. Commerce in this reach has steadily increased from 41⁄2 million tons in 1945, to about 35 million tons in 1962. Average annual transportation savings are estimated at $37,952,000. Because of the increase in tonnage already experienced and the continued increase anticipated, it is important that construction of the project works be continued at a rate which will insure retention of the desired channel alinement. The estimated average annual cost of maintenance is now $1,500,000. This cost should be reduced to $1 million after the project has been completed, resulting in an annual saving of $500,000. Fiscal year 1965.-The amount of $2 million will be applied to Continue Construction of dikes.. Total_____. Non-Federal cost.-None. Status of local cooperation.—None required. $1,500, 000 300, 000 75,000 125, 000 2, 000, 000 Comparison of Federal cost estimates.-The current Federal cost estimate of $64,400,000 is an increase of $600,000 over the latest estimate ($63,800,000) submitted to Congress. This change includes increases of $347,000 for higher price levels, $33,000 in channels based on actual cost and receipt of bids, $220,000 in engineering and design due to a recent reanalysis of requirements. Summary construction program (PB−1), fiscal years 1964 and 1965 |