Industrial Plant Expansion
Manitowoc, Wisconsin


Project Overview

Client: Skana Aluminum

Scope: Expansion of aluminum manufacturing facility

Project Delivery: Design-Build

Location: Manitowoc, WI

Skana Aluminum

POD Winner Seal-Gold ColorIn 2017, A.C.E. Building Service was tasked with a casthouse expansion project for a new 21,500-square-foot facility. The expansion is part of a multi-phase project at Skana Aluminum initiated to replace its 1960s-era melting furnaces. The additional square footage made way for a new, state-of-the-art furnace and expanded raw material storage area. It is designed to accommodate a new furnace as one of the future stages in the overall project. Eventually, a total of three 50,000-pound capacity melt/hold/tilt furnaces and a new casting pit will replace the existing machinery.

Our project team relied on our partnership with Butler Manufacturing to provide a pre-engineered steel building capable of meeting schedule, budget and design demands that conventional steel could not match. A Butler® structure was specifically chosen for its design flexibility, cost effectiveness, and the expeditious schedule Butler offered for getting materials on-site.

Butler Builder | ACE Building Service | Manitowoc

Skana Aluminum has very active loading docks. As part of this project, three docks were to be affected, which would have significantly impacted its operations. Our team formulated a plan to split the project into two phases. The first phase included the demolition and reconstruction of two loading docks. A temporary wall was constructed so Phase I could remain weather-tight while Phase II and the other loading dock were constructed.

A major challenge was determining how the new casting furnace would interface with the existing building. We had to structurally modify the existing building where the new furnace is located, in some cases yielding just a few inches of clearance for the 580,000-pound piece of equipment. Finally, the foundation for the 290-ton furnace needed to be constructed in the middle of a busy plant floor and in close proximity to existing structural building columns. The excavation required for the footing was approximately 11 feet below grade, requiring 12,000 cubic feet of material to be excavated and removed to allow for the construction of the furnace pit foundation.

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