Project Overview
BKBM provided restoration engineering services for Macalester College’s Old Main Building, a four-story brick and stone masonry structure listed on the National Historic Register. The project focused on preserving the building’s historic character while addressing critical façade and envelope deficiencies.
Project Highlights
- Condition Assessment & Documentation:
- Comprehensive evaluation of the exterior building envelope to identify areas in need of restoration.
- Preparation of detailed construction drawings to guide the restoration effort.
- Façade Restoration:
- Tuckpointing of facade masonry to improve durability and weather resistance.
- Removal and replacement of distressed or deteriorated brickwork.
- Crack repair and stone masonry restoration throughout vertical and horizontal surfaces.
- Roof and Parapet Repairs:
- Replacement of metal roof caps and installation of new metal parapet caps for improved protection and restoration of original detailing.
- Application of a penetrating sealer to exposed limestone façade for long-term preservation.
Engineering Solutions
BKBM’s approach incorporated careful assessment, historic masonry repair techniques, and modern restorative materials—all while retaining the structure’s visual integrity and historic value. The work was documented and executed to meet the standards for properties listed on the National Historic Register.
Results & Impact
The Old Main Building’s restoration extends the service life of this significant historic campus asset, protects its architectural features, and ensures ongoing preservation for future generations. BKBM’s restoration engineering enabled Macalester College to maintain both the character and performance of a beloved landmark.
1967
15,000+
23
Minneapolis & Denver