A GPRS Case Study

Precise As-Built Conditions of Church and School

Precise As-Built Conditions of Church and School

Highlights

THE BOTTOM LINE

GPRS captures 2-4 millimeter accurate measurements of the complex geometry of every high ceiling & wall, delicate window, sacred item, office, classroom, and more without contact from the ground.

INDUSTRY

Architecture, Planning and Interior Design

SERVICE

3D Laser Scanning, Mapping & Modeling

LOCATION

Denver, Colorado

PM Insight

If this church and school takes the right steps (in the right order, with the right partners) a renovation project can flow smoothly and stay on budget.

Deliverables

PROJECT APPLICATION

ASK

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Task

A Denver Catholic church and school constructed in the 1950’s requested 3D laser scanning of their 56,000 sq ft three-building campus to plan for renovations. Our client was an architecture, planning and interior design firm specializing in commercial, institutional and academic design.

PROBLEM

  • Construction documents existed from the original build, but the client was unsure if they were up to date.
  • Each building required a different scanning scope. The church and parish hall required complete exterior and interior documentation, while the school required only exterior documentation.
  • The church required new design drawings and cost estimates from the firm before proceeding with renovations.

Solution

  • In one day on-site, a GPRS Project Manager completed 359 scans with the Leica P50 ScanStation and the RTC360 laser scanner.
  • The client required point cloud files, 2D CAD drawings, a 3D Revit model, and TruViews to understand the existing conditions of the buildings on campus.
  • 2D CAD exterior elevations and floor plans of the church; and exterior elevations of the school were created for this project.
  • An LOD 200 Revit 2021 3D model of the church was delivered with architectural/structural details, including columns, beams, walls, floors, ceilings, doors, windows, stairs, roof, pews, lectern, and alter.
  • An LOD 200 Revit model was delivered of the school exterior.

Benefits

  • Renovations are not new to this campus; they recently added an outdoor learning lab and eucharistic adoration chapel. They understand the value of accurate as-built data.
  • The firm wanted to keep the historic craftsmanship of the church but provide modern updates.
  • A quality point cloud created a reliable as-built BIM model of existing conditions with ¼ inch accuracy tolerance.

CASE STUDY GALLERY

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“Our team was more effective and efficient because of SiteMap, allowing us to provide better results from more informed decision-making.”
Alexander Valigosky
Project Environmental Scientist