PreservingHistoric HealthcareInfrastructure with 3D Laser Scanning

Restoring a Landmark: The Douglas Hospital Case Study

In the realm of healthcare, ensuring that facilities meet modern standards while maintaining historical significance is a challenging task that requires meticulous attention to detail. Historic hospitals, like the Douglas Hospital located in Verdun, Quebec, are not just structures; they are repositories of history and culture. As such, restoring their architectural integrity while incorporating modern improvements is paramount. This is where 3D laser scanning comes into play, providing a cutting-edge solution for complex restoration projects.

The Challenge of Restoration

Douglas Hospital, a key healthcare facility in Quebec, was undergoing an extensive exterior facade restoration project that demanded rigorous documentation. The need for precise as-built elevation drawings was critical for compliance with local regulations and for ensuring that all renovation work could be executed effectively. Without this documentation, the risk of misalignments and costly mistakes during the restoration process increased significantly.

The Government of Quebec, in collaboration with GR7 Architecture, recognized the importance of detailed documentation and commissioned DCMS to deliver over 85 exterior elevations. This ensured that every architectural feature and structural element was thoroughly documented before renovation work commenced, safeguarding the building's historical integrity.

DCMS’s Innovative Approach: 3D Laser Scanning

Capturing Every Detail with Precision

To support the Douglas Hospital restoration, DCMS employed advanced technology that set a new standard for accuracy in construction documentation: 3D laser scanning. This innovative method allowed for the capture of high-resolution data, offering several advantages:

• High Precision: The use of terrestrial LiDAR scanning enabled DCMS to capture fine architectural details with millimeter precision. This level of accuracy is crucial when documenting historical buildings, where even minor alterations can affect the integrity of the structure.

• 3D Visualization: The data collected from 3D laser scans can be converted into detailed 3D models, providing architects and engineers with clear visualizations that aid in the planning and execution of restoration projects.

• Time Efficiency: 3D laser scanning significantly reduces the time required to gather data compared to traditional surveying methods. This efficiency allows for quicker project turnaround, which is often critical in renovation work where timelines can be tight..

Methodology: A Comprehensive Documentation Process

DCMS's approach involved a variety of sophisticated technologies and processes to achieve a comprehensive documentation framework for the Douglas Hospital project:

• Terrestrial LiDAR Scanning: Captured fine architectural details with high precision, documenting existing conditions accurately.

• Aerial Drone Photogrammetry: Provided high-resolution imagery of the roof and facade, offering valuable insights into structural assessments.

• Georeferenced Orthophotos: Produced accurate mapping that ensured compliance with historic preservation guidelines.

• LOD 300 Revit Model & 2D Elevation Drawings: Delivered a complete set of detailed elevation drawings, enabling architects and planners to visualize the project comprehensively.

• Thermographic Analysis: Assessed the condition of the facades and identified thermal inefficiencies, allowing for better decision-making in materials and design choices.

By combining these methodologies, DCMS captured the entire exterior of Douglas Hospital with extreme accuracy, empowering architects to base their restoration plans on reliable, high-resolution data.

Why As-Built Elevation Surveys Are Essential for Historic Hospital Renovations

The need for precise as-built documentation in projects like Douglas Hospital cannot be overstated. Here are several reasons why these elevation surveys are vital for historic hospital renovations:

Compliance with Heritage Preservation Guidelines

Historic buildings often come with stringent heritage preservation guidelines. Accurate elevation surveys ensure that restoration efforts align with these regulations, preserving the building’s historical character.

Accurate Data for Structural Assessments

The data derived from these surveys provides architects and engineers with accurate information for structural assessments. This is critical for making informed decisions about renovations, material selections, and design alterations.

Mitigating Risks and Costs

Basing construction on verified as-built conditions minimizes the likelihood of costly rework or renovations. This is particularly vital in historic buildings, where unforeseen issues can lead to significant delays and budget overruns.

Long-Term Facility Management

Precise documentation supports effective long-term facility management and maintenance strategies. As renovation progresses, having detailed records can assist in future planning concerning upgrades and modifications to the facility.

DCMS: Your Partner in Large-Scale Elevation Surveys and Historic Preservation

With extensive experience in heritage building documentation, healthcare as-built surveys, and large-scale elevation mapping, DCMS stands out as a trusted partner for architects, engineers, and government restoration projects across Canada. Our commitment to preserving historical integrity while utilizing modern technology makes us the ideal choice for complex renovation projects.

Need High-Precision As-Built Elevations for a Historic or Healthcare Facility?

If you are involved in a restoration project or need expert elevation documentation, contact DCMS today. Our team of professionals is ready to provide expert 3D scanning services tailored to your unique needs.