The Mill


  • Survey
  • Site Planning, Design, and Layout
  • Parking Lot Plan
  • Design of ADA Compliant Sidewalks and Curb Ramps
  • Landscape Architecture
  • Site Grading
  • Lighting
  • NPDES Permitting
  • Erosion/Sedimentation Control Plans


Silk Mill Properties, LLC

Project Details

Located on 8th Avenue in Altoona, PA, The Mill, which was originally built in 1889, is now a renovated mixed-use facility that will include office space, a café, a restaurant, and apartment units.

While several outbuildings and 80,000 square feet of the original building were demolished, 91,000 square feet was retained, in addition to an annex building and a 90′-tall smokestack that serves as an iconic landmark for the project.

Parking lots, a dining patio, sidewalks, street trees, lighting, and landscaping were all added. Stormwater detention was avoided by adding green space and amended soils to the site, which was previously 100% impervious.


Keller Engineers has been an extremely valuable asset for us in the development/construction of our store sites by providing accurate and timely structural and site development drawings and answers to related questions.  Their response and turn-around time to the Sheetz Store Development Department has been outstanding. We have no hesitation in turning to Keller Engineers for our store structural and site development needs. Joe S. Sheetz, Executive Vice President, Finance & Store Development Sheetz Corporation

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