Project Detail
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Dry Dock #3 Propulsor Enclosure

Location:
Kittery, ME
Completed:
2010

Cianbro fabricated and coated 260 tons of structural steel modules and outfitted those modules with stairs, handrails, and grating prior to delivery

Scope of Work

Cianbro furnished, delivered and installed a demountable modular propulsor enclosure for Dry Dock #3. The total project consisted of fourteen enclosure modules, four stair tower modules, the service platform and two roofs.

Project Details

  • Received the module components from Cianbro Fabrication and Coating at our Portland, ME facility
  • Installed siding on the stair towers and enclosure modules
  • Painted the exposed siding
  • Oversaw the application of an intumesent coating on the stair towers
  • Outfitted the modules with electrical conduit and wire, sprinklers, and air piping
  • Assembled the fixed roof sections
  • Modified the dry dock to accept the modules in place including curb and stair demolition and anchor bolt installation
  • Loaded the enclosure modules and associated components onto a barge for delivery from Portland, ME to the Navy Yard for one year of storage
  • Assembled the modules, stair towers, service platform, fixed roof and retractable roof into the dry dock, as well as, recorded the process for a training DVD
  • Disassembled the modules, stair towers, service platform, fixed roof and retractable roof for storage, as well as, recorded the process as a part of the training DVD

Lean, Innovative, and Unique Project Solutions

Part of this project included producing a training video that was submitted to the Navy to train their employees on the installation of the enclosure and its components. Cianbro worked closely with the shipyard crew while assembling the structure and subsequently disassembling the structure. This was the first time Cianbro assembled the structure, as a result, it required tight upfront tolerances of the manufactured modules and the construction of the anchoring points. The total project consisted of fourteen enclosure modules, four stair tower modules, the service platform and two roofs.