CPI Pyramid Skylight Retrofit – St James Hospital

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The existing skylight over the atrium of St James Hospital building in Chicago Heights, IL is a large 28′ x 28′ structural pyramid skylight that was in need of a skylight retrofit.

The acrylic was old and faded and the light transmittance had lessened with time. The acrylic had become brittle and breakage was imminent.

What We Did:

We utilized the existing framework as the structural support for a modified Quadwall skin system.

There were challenges for the installation crew with the lightning rods and cables installed on the skylight. These were removed and re-installed by a licensed sub-contractor.

The installation proceeded nicely:

pyramid_skylight_st_james
Plastic hung around the perimeter protects the building. – Skylight half replaced

Product Used:

  • One CPI Daylighting Quadwall pyramid skylight.
  • This is the preferred system to maximize insulation and performance.

Results:

  • Quadwall is the assembly of two individual panels separated by an insulating air space. The dual paneled system allows for more control over light transmittance, solar heat transmittance, colors and insulation levels.
  • The polycarbonate is hail resistant, unlike the acrylic.
  • Translucent daylighting will eliminate direct sunlight into the atrium, hot spots on the floor, and reduce glare.
  • The increased insulation will improve energy loss and solar heat gain.

Benefits:

  • Correct the daylighting and solar heat levels required for the space.
  • Reduce dependence on electric lighting—increase energy savings.
  • The owners love the energy savings provided by the new skylights.
  • Increase the facility’s property value.
  • Healthy, natural daylight in the space with soft translucent light and accurate color rendition.
  • No required maintenance or re-coating costs—individual exterior panels  are easily replaced.
  • In work environments, increased daylighting has been shown to increase productivity.
  • In retail environments, increased daylighting has been shown to increase sales by as much as 40%.

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