Each August, an army of men and women, well over , begin four months on the Mississippi River in an annual struggle to maintain the riverbanks for levee protection and to provide a safe navigation channel. WHEN Mat sinking is not an 8-to-5 job, but rather seasonal work conducted during the traditional low water months of August, September, October, and November. Low water on the river, primarily, determines when the mat season will begin.
When the workers leave Vicksburg on the quarter boats, compared by some to a large, floating hotel, a season of hour shifts and consecutive-day-work periods begin. Normally, the 4- byfoot sections are tied together to make a square 1 00 square feet , and 35 squares go together to form a launch.
Each supply barge holds squares of mat, consisting of tons of concrete. The crew hooks the mat cables to dozers Small Boats Sinking Research tractors waiting on shore and the work barge inches away from shore, along the mooring barge, which is by 45 feet, or feet longer than a football field, to launch the concrete "carpet," thus covering to feet of the long sloping river banks. The entire plant moves upstream feet and begins the first launch of a new channel mat. A fleet of 46 mat supply barges, part loaded and on location and part empty and waiting to be loaded by the mat loading crew at the casting field, is towed up and down the river by Corps or contract boats.
On the location, a mat supply barge is moored to the matboat and the mat laying operation begins. WHO The mat sinking crew lives and dines on the quarter boats that tie off to the bank near the work area. In fact, many of the crew members love the river life so much they work season after season laying mat on the mighty Mississippi.
Although it's hard work, the galley cooks provide 3 exceptional meals a day to accommodate the hungry workers. The two large dining rooms are designed to feed a crew of over , who must eat and be back at work within an hour. Some of the seasonal professions represented on the mat sinking crew include clerks, deck hands, drag line operators, electricians, gantry crane operators, mechanics, quarter boat utility operators, stewards, surveyors, tying tool operators and repairers, tractor drivers, truck drivers and winchmen.
These men and women, although seasonal, perform one of the most important jobs in the Corps of Engineers river stabilization program. WHY The mat forms a protective overcoat to shield the riverbank from erosion and sloughing caused by channel currents and turbulent water associated with river flood stages.
Skip to main content Press Enter. Just as Christmas, Mardi Gras and Easter roll around annually, so does the mat sinking season with the U. Army Corps of Engineers, Vicksburg District. HOW The crew and matboat are in place when the mooring barge is perpendicular to the shore and the matboat is parallel to the shore and secured to the mooring barge. The articulated concrete mattress ACM arrives on location by barge from one of the mat casting fields along the river in Tennessee, Mississippi, and Louisiana.
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