Midwest Mobile Waterjet recently completed a challenging hydro-demolition project on the Brighton Dam near Baltimore Maryland. The project required hydro demolition of approximate 16,000 square feet of shotcrete, over a concrete base on the spillway of the Brighton Dam. Do to the varied thickness of the shotcrete and the softer compressive strength of the base slab this removal proved to be very challenging. However, no challenge is too great for MMW and we were able to design a system and process that satisfied the specification and was approved by the project engineers. The project also required strict waste water treatment monitoring and disposal which again MMW was able to perform admirably.
Midwest Mobile Waterjet (MMW) recently successfully completed a xxx million steel storage tank demolition at a papermill in Florida. The tank previously contained white liquor and was located in a turpentine handling area of the plant so a strict “Cold Cutting” requirement was in place. MMW utilized one of its portable 50,000 psi abrasive waterjet cutting system to successfully perform the work and cut the tank into pieces small enough for the crane to safely lift out of the area.
Midwest Mobile Waterjet recently completed a hydro demolition bridge project near Port St Lucie Florida. The general contractor, Lead Engineering, was looking for a solution to speed up the process of removing the bridge decks from several bridges on Interstate 95. The original process included manual chipping on top of each bridge girder then cut the deck rebar away from the girder steel reinforcing without damaging it. This proved to be a labor intensive and difficult process.
Lead Engineering project managers contacted MMW to find a better solution. MMW was able to utilize robotic hydro demolition to remove a specific depth of concrete (8.5”) and expose the deck rebar directly above each girder. A minimum of deck concrete (1 inch or less) was intentionally left in place above the girders to be removed by lightweight chipping tools. After the deck was free from the girders they were removed in large sections using a crane. The process proved to be significantly faster than the original manual method and Lead Engineering was able to finish the bridge work ahead of schedule.
Midwest Mobile Waterjet recently provided waterjet cutting equipment to the Nairobi, Kenya based company, Belgravia Services so they could safely remove the floor of a petroleum storage tank for repairs. The work was performed at Belgravia’s Ndola, Zambia branch at the XXX oil refinery. MMW also supplied training for safely operating and maintaining the cutting equipment and Jet Edge ultra-high pressure waterjet pump.
Midwest Mobile Waterjet completed our largest square footage project thus far in West Memphis, AR, which consisted of 6 separate bridges on 3 different stretches of highways in the area that needed to be heavily scarified for the new concrete to adhere to. Access was limited and traffic was a constant concern, but work was coordinated to maximize safety and production
Midwest Mobile Waterjet recently completed large scale deep demolition on the face of a dam deep in the woods of northern California. Lost Creek dam near La Porte, California is almost 100 years old, and needed a complete refurbishment including the extremely difficult to access, nearly completely vertical face of the dam. MMW was able to access the surface using a custom built frame, an Aqua Cutter Aqua spine and a small crane that fit the weight requirement of the aging wooden bridge that ran across the top of the dam. Rope access also had to be utilized eventually to secure the frame and spine to the face of the dam.
Midwest Mobile Waterjet recently completed a project in an 800′ tunnel running beneath the active main runway of Benny Benson State Airport in Kodiak, Alaska. The project required two very different profiles on the floor and walls, which was accomplished with a Conjet 324 that MMW modified to utilize two different tools with as little downtime as possible. MMW also provided the cleanup equipment including vac services and high pressure washdown.
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