January 19, 2022

400,000 SF Addition for Allied Air

When Red Rock Developments sought a construction partner it could trust to deliver a time-sensitive project with certainty, the South Carolina-based developer chose Miller Valentine Construction.

The project involved a 400,000-square-foot expansion of an existing 600,000-square-foot manufacturing facility operated by Allied Air Enterprises and included 8,000 SF of office build-out, thirty-seven (37) new dock positions, and design accommodations for future building expansion. A manufacturer and distributor of HVAC solutions & equipment, Allied Air had a need to consolidate its distribution operations and expand its manufacturing and warehousing capabilities.

Before construction could begin, Miller Valentine needed to address the site’s poor, wet soils. Soil cement stabilization methods were employed across the entire site, which provided a stabilized working surface for all other trades and reduced the project schedule several weeks. Soil cement stabilization proved critical for keeping site grading operations on schedule during an exceptionally wet rainy season. Concrete tilt-up wall panel construction also provided the Miller Valentine team with greater control over production, quality, and timing of the building shell sequencing

Six months into the nine-month schedule, the project was impacted by industry-wide supply chain issues; the most notable was a delay in the building’s roof system.  The Miller Valentine project team worked hand-in-hand with its other project partners to reduce the impacts of this delay to other scopes of work such as interior electrical rough-ins as much as possible. For example, temporary roof and waterproofing solutions were installed at specific areas of the building to allow the installation of sensitive electrical systems so as not to delay these work tasks.

The team also worked closely with the Orangeburg County fire marshal and city building officials to grant some partial occupancy before substantial completion. As a result, Allied Air was able to begin product relocation operations from its other nearby locations where end-of-lease deadlines would have resulted in a cost impact to the tenant.

Constant communication, cross-discipline collaboration, and total accountability for project outcomes enabled Miller Valentine to remove hurdles to achieve the client’s objectives. As a result, Allied Air has consolidated its area operations, expanded its manufacturing and warehousing capacity, and created many new jobs for the local market.

Building Features

  • Concrete slab-on-grade
  • Cast-on-site concrete tilt-up exterior walls
  • Conventionally framed structural steel roof structure with a membrane roofing system
  • 37 dock positions
  • 8,000 square feet of office build-out



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