Green Roofs Of Colorado, LLC

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Green Roofs Of Colorado, LLC Powered By Docstoc
					Green Roofs Of Colorado, LLC




      Andy Creath, LEED AP
       Acreath@msn.com
          303-912-1941
      www.greenroofsco.com
Colorado Green Roofs

              § Denver Botanical
                Gardens
              § U.S. EPA Region 8
                Headquarters
              § Boulder Resident
             Agenda

§ Why Green Roofs?
§ History of Green Roofs
§ Types of Green Roofs
§ Considerations for Implementing
  Green Roofs
https://www.fatspaniel.net/Walmart/ChicagoGreenRoof.swf
       Why Green Roofs?

§ Extend Roof Life
§ Storm Water Management BMP
§ Energy Efficiency
§ Increased Solar (PV) Panel Efficiency
§ Improved Aesthetic
§ Reduced Noise Levels
§ Achieve Green Building Credit (LEED)
§ Possible Tax incentives
 Additional Public Benefits


§ Mitigation of Urban Heat Island Effect
§ Improved Water Quality
§ Creation of Wildlife Habitat
§ Air Filtration
§ Carbon Sequestration
       Green Roof History
§ Hanging Gardens of
  Babylon
§ Scandinavian Sod
  Roofs

§ Modern green roof
  systems were
  developed in Germany
  in the 1960s, and have
  since spread
  throughout the world
System Types

 § Built-Up



 § Modular




               * l i ver oof
 Design Considerations


§ Dead Load Limit
§ Access
§ Purpose
§ Slope and Drainage design
§ Waterproofing
§ Mixed Use such as Solar PV

                    * Schule Unterensingen
Colorado Implementation

 § Tempered Excitement
 § Water, Water, Water
 § Plant selection / Climate Consideration
 § Legal Misperceptions (detention vs.
   retention)
 § Irrigation
Al l i um




            * Roof scapes        el
                            * Cam vi ew Scot t sdal e AZ
Plants


  § Local Climate and Microclimates
  § Native, Alpine, Xeric
  § Maintenance/Irrigation Requirements
             Maintenance
    Type                        Cost
       Implementation
                Level       Types

  Extensive       Low           Low




Semi-Intensive   Periodic      Medium




  Intensive       High          High
Extensive
     § Low Maintenance
     § No or low irrigation
     § Moss/Sedum/Herbs/
       Grasses
     § 13-30 lbs/sq ft
     § 2.5- 8 inches build-up
       height
     *   Boulder, CO
Semi-Intensive
        §   Periodic Maintenance
        §   Periodic Irrigation
        §   Grass/Herbs/shrubs
        §   25-40 lbs/sqft
        §   5-10 inches build-up
            height

        *   Chicago City Hall
Intensive
     § High Maintenance
     § High irrigation
     § Lawn/perennials/
       shrubs/ trees
     § 35-100 lbs/sqft
     § 6- 16 inches build-
       up height

     •   Mashantucket Pequot Museum,
         Mashantucket, CT
Extend Roof Life/Conserve Energy




                       * Lady Bird Johnson Wildflower Center
Stormwater




             *Green Roofs for Healthy Cities
LEED Certification

§ Site Development, Protect or Restore Open Space and Maximize
  Open Space: SS 5.1, SS 5.2
§ Stormwater Design- Quantity and Quality Control: SS 6.1, SS 6.2
§ Urban Heat Island Effect, Roof : SS 7.2

§ Water Efficient Landscaping: WE 1.1
§ Innovative Wastewater Technologies: WE 2

§ Optimize Energy Efficiency: EA 1

§   Regional Materials: MR 5.1
§   Recycled Materials: MR 4.1

§ Innovation in Design
Green Roof Standards
 § The widely-accepted standards are those
   developed in Germany by the FLL, the
   German Research Society for Landscape
   Development and Landscape Design.


 § ASTM has recently developed a new set of
   standards for green roofs. ASTM E2396-
   E2399
Electric Field Vector Mapping

 § Using electric current to discover the
   causes of leaks
 § http://www.leak-detection.com/index.php
Pushing Design

 § ASLA
 § California Academy of Sciences




 § ACROS Fukuoka
Resources

 § Planting Green Roofs and Living
   Walls (Dunnett and Kingsbury)
 § Green Roof Plants (Snodgrass)
 § Green Roofs: A Case Study (ASLA)
 § Green Roofs for Healthy Cities
 § Roofscapes