Heinz 57 Center/Gimbels Building Restoration
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The Heinz 57 Center, Gimbels Building Restoration, in Pittsburgh; Photos (c ), Roofscapes, Inc. used by permission; all rights reserved.Project Name: Heinz 57 Center/Gimbels Building Restoration
Year: 2001
Owner: The Huntley Group
Location: Pittsburgh, PA, USA
Building Type: Corporate
Type: Extensive
System: Single Source Provider
Size: 12000 sq.ft.
Slope: 1.5%
Access: Accessible, Private
Submitted by: Green Roof Plants & Roofscapes, Inc.

Designers/Manufacturers of Record:
Greenroof System: Roofscapes, Inc.
Roofscapes Contractor: Lichtenfels Nursery, Inc.
Plant Supplier: Emory Knoll Farms/Green Roof Plants
Architects: Burt Hill Kozar Rittlemann Associates
Waterproofing Provider: Carlisle Syntec
Waterproofing Installation: Burns & Scalo Co.
Developer: McKnight Development Partners
SkyGarden Green Roof Media: Stancills
Site Supervision, Consultation for Roofscapes Inc.: J?rg Breuning, Green Roof Service LLC
The Heinz 57 Center, Gimbels Building Restoration, in Pittsburgh; Photos (c ) 2004, Roofscapes, Inc. used by permission; all rights reserved.May 2003, a year and a half after planting. Photo (c ) 2003, Roofscapes, Inc.  All rights reserved.The Heinz 57 Center, Gimbels Building Restoration, in Pittsburgh; Photos (c ), Roofscapes, Inc. used by permission; all rights reserved.
Originally constructed in 1914, the Heinz 57 Center, also known as the Gimbels Building Restoration since it houses the former Gimbel's department store, is a "steel-frame structure in the heart of Pittsburgh's most densely populated business district, featuring a wealth of classical detailing. It is a major visual anchor to the district and a critical element in its retail sector. As has been typical in recent urban cycles, the department store was closed and the building vacated in 1984. In 1998, as part of the effort to restore the urban core, the architectural firm of Burt Hill Kosar Rittelmann Associates developed renovation plans for the aging structure," (Green Roofs for Healthy Cities, see below).

When Heinz 57 officials decided to make the former department store their North American corporate headquarters, they wanted executives to enjoy a better view than just concrete outside of their expansive windows. "The Heinz executives now enjoy spacious atrium offices filled with natural light and complemented with an accessible five-inch thick un-irrigated dual media green roof designed to support a colorful variety of drought-tolerant perennials and succulents. Each executive suite opens up to a deck and paved patio tastefully integrated into the naturalized roof meadow," (Roofscapes, Inc.).

Completed in November, 2001, this flowering roof landscape occupies the fourteenth floor terrace surrounding the penthouse office space, and the Heinz 57 Center sports a 12,000 sf Roofmeadow? Type III: Savannah greenroof with 3" of engineered growing media over 2" of engineered drainage media. The vegetation is complemented with areas for seating on high-density recycled plastic lumber roof decks integrated with paved patios.
Photo courtesy Emory Knoll Farms/Green Roof PlantsMay, 2003; Photo (c ) 2003, Roofscapes, Inc.  All rights reserved.
"The planting system takes into account variable sunlight exposure associated with different sides of the penthouse. The total thickness of the vegetated roof cover is only 5 inches and it is completely un-irrigated. Nonetheless the plant list includes 17 genera, comprising 35 separate plant species. These range from low-growing groundcover plants like Sedum spurium to tall plants like Anthemis and Carex. The plantings were established in late October of 2001 and was mature by May of 2003," (Roofscapes, Inc.).

Burt Hill Kosar Rittelmann Associates, and in particular landscape architect Rebecca Mizikar, were intimately involved in the work on Gimbels. "The Burt Hill landscape firm designed an undulating rhythm of planting around the roof perimeter. Roofscapes, Inc. selected appropriate plant varieties to achieve accents in plant height, texture and bloom color. To capitalize on the changeable micro-climatic conditions created by the high walls, a wide range of plants that can tolerate the xeric conditions on the roof were specified. The diversity of plant textures, heights and colors in the maturing cover is visually exciting," (Green Roofs for Healthy Cities).

Additional thumbnail photos:

Photo (c ) 2001, Roofscapes, Inc.  All rights reserved.The Heinz 57 Center, Gimbels Building Restoration, in Pittsburgh; Photos (c ), Roofscapes, Inc. used by permission; all rights reserved.Photo (c ) Roofscapes, Inc.  All rights reserved.The Heinz 57 Center, Gimbels Building Restoration, in Pittsburgh; Photos (c ), Roofscapes, Inc. used by permission; all rights reserved.Photo (c ) 2001, Roofscapes, Inc.  All rights reserved.
Read Linda Velazquez's post featuring the Heinz 57 Center in the Sky Gardens blog of February 27, 2010 here. The Heinz 57 Center/Gimbels Building Restoration was featured in the 2009 Greenroofs of the World Calendar by Greenroofs.com for the month of March. Charlie Miller, P.E., of Roofscapes, Inc. won the 2005 Green Roof Award of Excellence with the Heinz 57 Center/Gimbels Building Restoration in the Extensive Industrial/Commercial category - read the case study on the Green Roofs for Healthy Cities website. Read "Top Soil" by Carmen J. Lee from h - The Magazine of the Heinz Endowments of Fall, 2009 here, the May 19, 2009 "More city buildings cultivate savings by covering roofs with plants" article by Sally Kalson of the Pittsburgh Post-Gazette here, and see an extensive case study including plant lists on pages 139-142 in Green Roofs in Sustainable Landscape Design, 2008, by Steven L. Cantor. Also see part of the September 2008 issue of Landscape Architecture's "A Spot of Green in Steel City" by Linda McIntyre here and the 2006 report "Pittsburgh?s Sewer Problems" from the Sierra Club in PDF, page 18-19.

Learn about the following companies in The Greenroof Directory:
Roofmeadow; Emory Knoll Farms/Green Roof Plants; and Green Roof Service.
 
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