Historical Building Rehabilitation Case Study

Problem

The historic Herrmann Residence, located at Minidoka National Historic Site, faced extensive deterioration and outdated infrastructure, making it unfit for its intended use as administrative offices, meeting space, and temporary exhibit space. Key challenges identified included:

• Deteriorated Exterior and Interior Finishes: The building’s exterior sheathing, shingles, double-hung windows, doors, roofing, gutters, and downspouts were significantly worn and damaged, compromising the building’s structural integrity and aesthetic appeal.
• Outdated and Non-functional Building Systems: Critical systems such as plumbing, HVAC, and electrical were not only outdated but also non-functional, rendering the building inefficient and unsuitable for modern use.
• Lack of Accessibility Features: The residence lacked necessary accessibility features, making it non-compliant with ADA standards and inaccessible for individuals with disabilities.
• Poor Drainage and Landscape Conditions: Ineffective drainage around the building led to water accumulation and potential damage, while the surrounding landscape and parking area were inadequately maintained, further diminishing the site’s functionality and accessibility.

Solution

HECO Engineers undertook a comprehensive rehabilitation project to address the multifaceted issues of the Herrmann Residence, ensuring that the building met contemporary standards while preserving its historical significance. The solution encompassed extensive exterior, interior, system, and landscape improvements:

Exterior Improvements:

• Structural Repairs: Repaired or replaced the exterior sheathing and shingles to restore the building’s protective envelope.
• Window and Door Upgrades: Updated double-hung windows and doors to enhance both functionality and historical authenticity.
• Roof and Gutter Replacement: Installed new roofing, gutters, and downspouts to ensure proper water drainage and protect the building from weather-related damage.

Interior Improvements:

• Finish Replacement: Replaced all interior finishes on walls and ceilings, including deteriorated framing and damaged wood trim, to revitalize the interior spaces.
• Refinishing Wood Floors: Restored the historic wood floors to their original condition, enhancing the aesthetic value of the interior.

Building Systems and Utilities:

• Plumbing Overhaul: Replaced the outdated plumbing system and renovated the bathroom with new fixtures and a modern layout.
• HVAC Upgrade: Installed a new, energy-efficient commercial HVAC system, including a gas furnace and outdoor condensing unit, to ensure optimal climate control.
• Electrical System Update: Replaced the entire electrical system, incorporating energy-efficient light fixtures and other modern electrical components.
• Accessibility Enhancements: Widened and replaced interior doors as needed, constructed an accessible entrance, and built a new porch and steps to improve accessibility.
• Additional Installations: Fitted the building with data communication raceways, security systems, smoke detection alarms, and a fire suppression system for enhanced safety and functionality.
• Sanitary System Installation: Implemented a new sanitary system, including a leach field, to modernize waste management.

Landscape Improvements:

• Drainage Solutions: Altered landscape features to ensure proper drainage away from the building, preventing water damage.
• Site Enhancements: Seeded around the house and improved the existing gravel parking area to provide accessible parking for staff and visitors.

Results

The comprehensive rehabilitation of the Herrmann Residence by HECO Engineers yielded a fully functional, accessible, and aesthetically restored building. Key outcomes included:

• Enhanced Functionality: Modernized building systems and utilities improved the overall efficiency and usability of the residence.
• Improved Accessibility: The installation of an accessible entrance and interior modifications ensured compliance with ADA standards, making the building accessible to all.
• Restored Aesthetics: The careful repair and repainting of finishes preserved the historical character of the residence while enhancing its visual appeal.
• Efficient Systems: The integration of energy-efficient HVAC, lighting, and plumbing systems reduced operational costs and environmental impact, contributing to the building’s sustainability.

The Successful Rehabilitation of the Herrmann Residence

The successful rehabilitation of the Herrmann Residence by HECO Engineers highlights our commitment to preserving historical structures while updating them for modern use. The project not only restored the building’s functionality and aesthetics but also ensured it meets current accessibility and safety standards. If you have a similar project or need a free 30-minute review of your upcoming project, call or email HECO Engineers today.