Hoover Dam Bypass Project – F&M MAFCO

Leading construction supply and equipment company F&M MAFCO, Inc. (http://www.fmmafco.com), known internationally as “The Powerful Solutions People” , played a major role in the construction of the Colorado River Bridge.

In September of 2006, construction was temporarily halted after the collapse of the cableway system. The cableway system is a critical part of the bridge construction project as it facilitates the delivery of construction materials across the entire canyon, a span of almost 2500 feet.

In March of 2007, F&M MAFCO was awarded the contract to supply two new 50 ton capacity High Line cableways.

The new cableway system consisted of four towers that were 335 feet tall, two head towers on the Nevada side, and two tail towers on the Arizona side. A total of 14 hoists, 8 winches and over 100,00 feet of wire rope and pendants were used for the erection of the High Line Cableway system.

The Colorado River Bridge is an engineering and construction marvel and is the first concrete-steel composite arch bridge built in the United States.The new four lane highway and signature bridge spans the Black Canyon, connecting the Arizona and Nevada Approach highways nearly 900-feet above the Colorado River and 1,500 feet south of the Hoover Dam.

www.fmmafco.com

Video Transcript

leading construction supply and equipment company efren m f goincorporation has been owned and operated by the friedman and mckenna family sincenineteen forty fiveknown internationally as felt powerful solutions peoplef and m f co incorporated is headquartered in cincinnati ohiowith seven additional branches nationwidein late january of two thousand five construction began just outside of lasvegas nevada avenue bypass of highway u_s_ ninety threecrossing the colorado we've heard just downstream of the hoover damjoint venture of although yashi corporation and p_s_ m constructionu_s_a_ incorporatedthe colorado river bridge will connect the state of nevada and arizonau_s_ ninety threethe current two-lane highway across the damcan no longer adequately handled the fourteen thousand vehicles and truckscrossing per daydouble the volume of fifteen years agothe new bridge route will eliminate the problems of the existing narrow roadwaysharp turns inadequate shoulders foresight distance and lower prevalspeedthe bridge will be a one thousand sixty-foot twin maria concrete steelcomposite deck archthe concrete composite alternativeblends the best of both concrete and steel using concrete in compression forthe arch and lighter steel for the upper structurethe arches will be made of one hundred six piecesfifty-three in each archcast twenty four feet at a timewhen completed it will be the first concrete steel composite arch bridge wasbuilt in the united statesconstruction consists of hoisting workers and up to fifty tons ofmaterialseight hundred ninety feet above the colorado riverusing over three thousand one hundred foot long steel cablesheld aloft by a colleague type highline crane systemconstruction was difficultdue to various obstacles extreme heat conditions the elevation of constructionand wind gusts of up to one hundred miles per hourin september of two thousand six construction was temporarily haltedafter the collapse of the table way systemthe cable way system is a critical part of the bridge construction project asit's a silicates the delivery of construction materials across the entirecanyona span of almost twenty five hundred feetin march of two thousand seven assalam asco was awarded the contract to supplyit to all new fifty ton capacity cable wavesthe new cable way system designed by somerset engineeringconsisted of for towers that were three hundred thirty five feet tallto head towers on the nevada sideand two-tailed towers on the arizona sidethe towers are designed to luff orleans from side to sidethirty feet in the future direction in order to enable precise placementsfor hosts are used to take up the tension of the three h wire ropes acrossthe canyonto hosts are used for pulling the trolley in and outto hoist are used for raising and lowering the roadblockand two small hoists are used to hold the tension on the trolley linesa total of fourteen hollister necessary for this projectf_n_ en masse co supplied over one hundred thousand feet of permanent andtemporary wire rope and pendantsleast eight winchesfrom ten thousand pound standard line pullto one hundred thousand pound standard line pull for a wreck shin of thehighlineand shipped various rigging blocksfrom sixty five ton to two hundred time capacityin march of two thousand eight though fifty ton load test of the cable way wassuccessfully completedand the high line was put to use immediatelyupon completion colorado river bridge will be in engineering and constructionmarvelthe new four-lane highway and signature bridgewill spend the black canyonconnecting the arizona and nevada approach i waysnearly nine hundred feet above the colorado riverand fifteen hundred feet south of the whole verdadf_n_ en masse co incorporated dot powerful solutions peoplequality products that helped get the job done rightwith the bestin customer service

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