Central Street Bridge over the Cocheco River

AK Industrial Services (AKIS) removed 4” of existing cast-in-place bridge deck utilizing Ultra High Pressure (UHP) Hydrodemolition. The work was performed over the Cocheco River in Dover, NH. Hydrodemolition was selected to mitigate micro cracking, provide a highly bondable surface for new concrete and to ensure that all unsound concrete was removed.

One of the key challenges was collection of the water and debris at full-depth areas to prevent both from pouring into the river and creating a negative environmental impact. AKIS utilized a 6,000-gallon vacuum tank to collect and dispose of water and debris preventing it from entering the river below

The bridge is also located in the downtown area so there was a great deal of pedestrian traffic directly adjacent to the work zone. AKIS utilized debris screens and temporary fencing to protect the public.

  • Location: Dover, NH
  • Owner: City of Dover, NH
  • Client: Evroks Corporation (GC)
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        AK Industrial Services LLC

      • 617.884.9252
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      • 347 Third Street
      • Everett, MA 02149
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