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Read more about this project from the June 2004 Guest Feature Article by the landscape architect on Greenroofs.com here.

Project type – Commercial intensive retrofit on a 1921 parking garage; Total square feet = 10,696; Landscape area 3000 square feet; Building stories 17; Soil media dry weight about 8 pounds per cubic foot.

Materials selection:Grace waterproofing;Bio Barrier;Enka drain;56,000 pounds of perlite and USPS packing peanuts; Standard Hunter irrigation system with Rainbird controller. Operation time is 2 minutes per day per zone;Shredded hardwood mulch;5000 flowering plants;11 trees 8 to 10 foot when planted;Fertilizer – Pet Friendly Fertilizer;Maintenance – 2 hours per week for one person;Herbs for the chef:Cilantro, Basil, Rosemary, Thyme, Oregano, Chives, Dill, Lavendar, Marjoram, Mint.

Map:

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