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JOE DOUGLAS WEBB, AIA. Building and Site Data Site – 108,900 SF (2.5 acres) (0.987 ha) Building footprint – 15,863 sf. (1,474 sq. m) Parking/paving.

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Presentation on theme: "JOE DOUGLAS WEBB, AIA. Building and Site Data Site – 108,900 SF (2.5 acres) (0.987 ha) Building footprint – 15,863 sf. (1,474 sq. m) Parking/paving."— Presentation transcript:

1 JOE DOUGLAS WEBB, AIA

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4 Building and Site Data Site – 108,900 SF (2.5 acres) (0.987 ha) Building footprint – 15,863 sf. (1,474 sq. m) Parking/paving – 79,336 sf. (7,370 sq. m) Permeable – original – 13,701 sf. (1,273 sq. m) Intensive green roof – 14,566 sf. (1,356 sq. m) Permeable – final – 28,260 sf. (2,626 sq. m) Permeable change from 12.58% to 25.9%

5 Green Roof Data Average depth – 9 (3.6 cm) Retains 73% - 322,333 gallons/yr (1,220,030 l) Basically a 2 rain never leaves the roof Runoff – 132,832 gallons/yr (498,894 l) Underground cistern – 178,000 gallons On-site peak irrigation – 23,620 gallons/mon No connection to city water for irrigation

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16 Other Green Roof Benefits Removal of airborne particulates 597 pounds (271 kg) Oxygen produced will support 904 people 1,797,814 pounds (815,418 kg) / year 5,424 pounds (2,461 kg) / day

17 Evaporative Cooling Impacts Maximum tonnage hvac capacity mitigated based on irrigation rates – 97 tons (341,149W) Tonnage mitigated based on average monthly evapotranspiration rates range from 21 tons (73,857W) to 61 tons (214,537W) Actual overall building performance CO2 emissions avoided 85,232# (40,586 kg) VMT not driven 94,702 and 1776 trees added

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19 Hurricane Ike Exposure Category 2 Hurricane Eye 15m (25km) to the east – site in eye wall Published winds 100 to 110 mph (161 to 177 km/h) for 9 hours Gusts to 120 mph (193 km/h) Anecdotal winds 120 mph (193 km/h) sustained 140 mph (225 km/h) gusts

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31 Credits Owner: Cheyenne I Development Group Contractor: Jacob White Construction Architect/Green Roof Design: Webb Architects Landscape Architect: LA/3 Landscape Consultants Civil Engineer: S & S Engineers MPE J & S Mechanical Belknap Plumbing McDonald Electric


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