Proj Overview

Project Overview

An all–precast concrete structural system, along with architectural precast concrete panels in varying shapes, finishes, and colors, created a dynamic exterior appearance for the Résidence Le Saint-Jude retirement facility in Alma, QC, Canada. Designers chose total–precast concrete construction for its aesthetic possibilities; durability; resistance to fire, earthquakes, and high winds; and its speed of erection.

The structural frame for the project, a six-story residential center with 126 units, consists of precast concrete columns, beams, floor slabs, insulated wall panels,stairs, and balconies. The precast concrete frame created large open spaces while maintaining excellent sound insulation between floors. It also sped construction; electrical and plumbing work began as each section of the frame was completed. Precast concrete stairs also allowed quick access between floors, ensuring a clean and safe working area.

Precast Solution

The exterior wall design juxtaposes a red hammered finish on balconies with a sandblasted beige finish at the apartment levels. At the ground floor, a mosaicintegrates cast stone in large sections of the precast concrete walls with false joints and several abrasive treatments. In the corridors, the panels were given a slight sandblast finish, reducing maintenance requirements.

The precast concrete walls also are part of a seismic- and wind-forces recovery system that was spread across several structural elements. This system reduced the number of connections between panels, which enhanced construction speed.

The panels were transported to the site using special trailers, which allowed all windows and other glass areas to be installed at the precaster’s plant in advance. This saved time and money by reducing the number of components that had to be installed on-site. The panels’ textures and shapes were highlighted further after erection with a special exterior lighting system.

 

Awards
2011 Design AwardsBest Retirement/Assisted Living Building
Project Team

Architect

EPA Èric Painchaud Architecte, Chicoutimi, QC, Canada 

Engineer

Gemel Experts Conseils, Alma, QC, Canada 

Owner and General Contractor

BPDL, Alma, QC, Canada 

Precaster

Bétons Préfabriqués du Lac, Alma, QC, Canada 

Precast Specialty Engineer

Axys Consultants, Ste-Marie de Beauce, QC, Canada

Key Project Attributes

  • Precast frame created large open spaces while maintaining excellent sound insulation between floors.
  • Precast stairs allowed quick access between floors, ensuring a clean and safe working area
  • Precast walls are part of a seismic- and wind-forces recovery system 

Project/Precast Scope

  • Project Size: 115,200 ft2 (10,700 m2)
  • Project Cost: $15 million (Canadian)
  • 1,770 precast panels
  • 6-story residential center with 126 units