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Scottish Rite Cathedral, Bloomingdale, Ill.

For 100 years, the Scottish Rite Cathedral in Chicago had been located at the corner of Dearborn and Walton Streets, directly across from Washington Square Park. After a study of its membership, the fraternal organization associated with the Freemasons concluded that a majority of its members had migrated from the north shore to the western suburbs.

The relocation led to a 16-acre site in Bloomingdale, Ill. Design for the project was provided by tvsdesign. "The design for the new headquarters reflects the principles, history and symbolism of the organization," according to Marc Adelman, tvsdesign principal. "The design elements weave together the story of Freemasonry and the Scottish Rite and interpret the history from its origins to its continued journey into the next millennium."

The striking new two-story, 61,000-square-foot headquarters facility features a 270-seat auditorium, dining hall for 290 people, full-service kitchen, museum, library, administrative offices and a traditional Masonic Lodge Hall. Both the interior and exterior feature traditional Masonic forms that incorporate traditional masonry materials like stone and brick, as well as modern construction systems like precast concrete and metal roofing.

Approximately 13,200 square feet of 21-foot, 24-gauge Petersen Tite-Loc standing seam architectural metal panels in PAC-CLAD Granite from Petersen Aluminum Corp., Elk Grove Village, Ill., were utilized to create the striking curved roof. Tite-Loc panels were mechanically seamed in the field after installation to a 90-degree lock. The panels were curved on the job site to an 18 1/6-foot radius and installed by Anthony Roofing Tecta America.

According to Jim Graefen, Anthony Roofing sheet metal department sales and estimating: "The roof was extremely steep and that presented both safety and seaming issues. We seamed the 16-inch-wide panels by hand and created a 2-footdeep gutter system that was integrated at the base of the panels."

"The shape of the metal roof with its Gothic arch is symbolic of some of the traditional Masonic beliefs," Adelman says. "And yet metal is clearly a modern material. We sought to bridge the traditional with a contemporary and timeless experience. The use of the Petersen material helped achieve our goals. The metal adapted itself very nicely to the Gothic arch shape."

Petersen Aluminum Corp., www.pac-clad.com