Modular Building Institute

Alloy at Tech Hill

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Main Category:
Modular Building Design
Company:
Champion Commercial Structures
Affiliate:
Core Development
Location:
Nashville, Tennessee
Building Use:
Mixed use
Gross Size of Project:
102335 Square Feet
Days to complete:
365

Award Criteria

  1. Architectural Excellence
    Alloy is Nashville’s first modular, prefabricated multi-family housing project. The project consists of 82 studio, one- and two-bedroom condominium units within two connected 4-story buildings. Site topography & the project’s sightline to downtown oriented the buildings. The site has an industrial context & the design team worked to create an industrial vernacular to the exterior that plays well with its surroundings. The façade consists of solid & perforated metal siding with exposed steel stairs, steel walkways & prefabricated balconies. The 100 modular boxes were fabricated at 2 Champion Pennsylvania factories & shipped to the site for erection and final installation. Mods (modular units) consist of single units within Building One, which includes an exterior walkway system. Building Two mods consist of one bay of a one- or two-bedroom unit, an interior corridor, along with a bay of another unit across the hall. Two to three mods were assembled to make-up a one or two-bedroom unit.
  2. Technical Innovation & Sustainability
    In the factory, each module’s floor & ceiling are framed together & squared before receiving walls. Workers then run MEP components. Module is then inspected, shrinkwrapped & wheels attached for transport. At Nashville site, modules connected & receive prefabricated balconies & skin. The design team worked to create an industrial vernacular through use of exposed metal walkways & metal siding. Large floor numbers painted on the modular elevator are a nod to the numbered train cars that pass by daily. Screens mounted to steel tube frames, fabricated off-site; stand off from the structure allowing downspouts & conduit to bypass the floating white planes. In the morning, sunlight filters through perforations & the screens take on a fabric-like quality. The vertical circulation is called out by the gold band painted on the stair stringers winding around the gray panel ‘sail walls.’ The landings of the stairs are left exposed to create views out towards the public side of the site.
  3. Cost Effectiveness
    Modular construction was utilized to minimize construction time, increased quality control & mitigate local labor shortages. The project also benefited from an efficient permitting process since Metro permitting was only required for foundations, steel walkways & vertical utility connections. Third-party State modular inspectors were utilized for plan review as well as factory inspections. We estimate this time savings was about 3-5 months for the entire project. Interior finishes were installed in the factory, so the units arrived ready for occupancy with minimal unit interior work. Once the modules arrived on site, they are unwrapped, inspected and lifted into place. The entire set process is less than an hour from unwrapping & connecting the lifting straps, to finally setting the module. All 100 modular units were set within a 2-3-week time period. For this project veneer/skin was the last step before steel walkways were installed.
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