Schiphol Plaza at AMS
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Schiphol Plaza at Amsterdam International Airport (AMS). Photo Courtesy Phoenix Benelux bvbaProject Name: Schiphol Plaza at AMS
Year: 1994
Owner: Amsterdam International Airport (AMS)
Location: Amsterdam, The Netherlands
Building Type: Aviation
Type: Extensive
System: Single Source Provider
Size: 91493 sq.ft.
Slope: 1.5%
Access: Inaccessible, Private
Submitted by: Linda S. Velazquez

Designers/Manufacturers of Record:
Greenroof System: Xero Flor
Installation: Strodhoff & Behrens Begruennungs GmbH
Designer: Benthem Crouwel NACO
Photo by Haven KiersPhoto Courtesy Phoenix Benelux bvba Photo Courtesy Charlie Miller of Roofscapes, Inc.
A huge expanse of pre-vegetated moss and sedum blankets was installed on top of the sloping parking lot at the Schiphol Airport in Amsterdam. Constructed in 1994, the Schiphol Plaza Xero Flor greenroof is situated over the main terminal and measures approximately 8,500 m2 (91,493 sf), serving as a parking garage and train railway station. Xero Flor has a patented design specific to airport applications.

Haven Kiers says "sedum covered glass pyramids seem to explode from the roof, peeling back the structure of the building and revealing windows into the bustle of the terminal below." The photos show how beautifully the carpet changes colors with the seasons.
Photo Courtesy Erik Steegman of Phoenix Benelux bvbaPhoto Courtesy Erik Steegman of Phoenix Benelux bvba
Strodhoff & Behrens Begruennungs GmbH of Gross Ippener, Germany, installed the roofing system using pre-vegetated mats of coir fiber that absorb rainfall and a mineral-based substrate that provides plant nutrients and eliminates the need for soil. Below this a synthetic matrix is installed to promote drainage. The dry moss and sedum mat represent plant species adapted to growing conditions on a roof and require very low maintenance.

"The mats are designed to regenerate themselves as old plants die off and new seeds germinate. Usually the mats require no irrigation unless the roof slope is steep," says Thomas Roess, managing director. "Also, they might require fertilization and weeding from time to time." The elevated Departures area offers a good view of the vegetation, and the living roof is a welcome respite from the otherwise large area of hardscape found in traditional airports.

Designed by Benthem Crouwel NACO, Mostert De Winter, Dutch licensees of the firm Strodhoff & Behrens Begruennungs GmbH of Gross Ippener, Germany, installed the largest extensive greenroof at Schiphol using the Xero Flor moss-sedum combination pre-vegetated mats Type XF 300c. The sedums and drought resistant mosses are set in a mineral-based Xero Terr? substrate formula with a system maximum saturated weight of 35 kg/m2 (7.168 lbs/sf); the substrate depth is just 40 mm (1.57?).

Additional thumbnail photos:

Photo Courtesy Haven KiersPhoto Courtesy Haven KiersPhoto Source:  Erosion Control Magazine, November/December 1998Photo from Xero Flor
See the Project Profile for the whole Schiphol International Airport here. Read the entire PDF "European Airport Greenroofs - A Potential Model for North America" by Linda S. Velazquez, ASLA Associate, LEED AP, Greenroofs.com Publisher here.
 
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