Removable Skin Technology Utilized at Seattle Public Utility South Transfer Station

Seattle’s Public Utility’s South Transfer Station Earns Gold LEED with Removable Skin Technology

Seattle Public Utility used CPI Daylighthing’s Quadwall® sky and wall light to earn Gold LEED status on their new 33,000 square foot South Transfer Station. The Quadwall offers 40% light transmission without any additional artificial lighting on an average Seattle day. And because SPU processes up to 700,000 tons of trash annually, every detail counts.

We were very concerned about hot spots and glare temporarily blinding equipment operators with light and we haven’t seen any of that [with the Quadwall]. The natural light has been a big help and improved color recognition. We have a lot of heavy equipment and customers moving around and it’s better everyone.

Facilities Program Manager Jeff Neuner, SPU

Quadwall is a system of two independent translucent insulated panels, resulting in one integrated, high-performance daylighting system. Quadwall is the only system that can provide indefinite building envelope protection with its advanced RST — Removable Skin Technology.

What Is Removable Skin Technology?

This product has the ability to remove the outer skin without disturbing the inner portions of the building. For instance, a bad storm hits and debris damages some of the panels. To repair the building, you only need to remove and replace the damaged exterior panels. The interior panels are left in place and maintains the safety of the people and operations inside the building.

Being able to include a lot of daylight in the facility means that we’re not relying on the electric lighting.

Sian Roberts, The Miller/Hull Partnership

Quadwall can also be configured with additional insulation, FM-Rated Class A/B fire-rated roof assembly, sound reduction, dynamic shading, additional structural performance or even military forced entry resistance. Joined mechanically, Quadwall does not use vulnerable adhesives, for long term durability and performance. Quadwall’s nanocell technology creates even light distribution and removes glare.

This is a huge upgrade for Seattle Public Utilities to have even distribution and good quality of light to operate in. Per code, the South Transfer Station was required to meet FM-rated Class B roof construction. With a proprietary insert, the scalable Quadwall was the only solution.

CPI had the right balance – what we needed for the Class B roof and the level of quality we were looking for with the price we could afford.

Sian Roberts, The Miller/Hull Partnership

The mechanically interlocking connection was a bonus for South Transfer, helping to seamlessly integrate the sky and wall lights with the building’s exterior metal paneling.

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