Xeriscape and Green Technologies

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Xeriscape and Green Technologies

  1. 1. © George Radnovich Xeriscape Xeriscape • Definition – Place based Xeriscape & Green landscaping that meets the needs Technologies of today’s world, without diminishing the ability of future generations to meet their needs. George Radnovich, ASLA Sites Southwest LLC © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape Agenda Agenda Background Background • Background • Xeriscape is a whole • Xeriscape and Green Technologies systems approach • Public Ordinances / Laws – Holistic Approach • The Costs of Xeriscape – Site Preservation • Case Studies – Natural Materials – MESA – Resource Conservation – !25 – Sense of Place – Pavilions – High Desert • Questions and Answers Radnovich © George © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape Xeriscape and Green Xeriscape and Green Background Background Technologies Technologies • Whole Systems Approach • Site Protection – Limit Waste / Recycle Materials • Layout and – Origin of Materials - Costs Organization – Life Cycle Costs – Land Use – Site Circulation – Hydrozoning and Oasis Concepts © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your LandscapeRainwater Harvesting – Capturing Nature’s Best for your Landscape http://texaswater.tamu.edu
  2. 2. © George Radnovich Xeriscape and Green Xeriscape and Green Xeriscape and Green Xeriscape and Green Technologies Technologies Technologies Technologies • Land Forming Devices • Water Harvesting – Arroyos, Swales and – Hilltop Drainageways – Swale – Dams / Ponding and – Slope Storage – Flat Terrain • Check Dams • Watershed & Drainage • Porous Dams • De-Sedimentation Ponds © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape Xeriscape and Green Xeriscape and Green Xeriscape and Green Xeriscape and Green Technologies Technologies Technologies Technologies • Wicking Systems • Plant Layering • Re-vegetation • Cisterns – Re-seeding (crimp, • Site Hydrology imprinting, etc.) – Waterless landscaping • Landscaping (irrigated) – Dry Land Plants – Higher Water Plants © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape Xeriscape and Green Xeriscape and Green Public Ordinances/Laws Public Ordinances/Laws Technologies Technologies • Remediation of Water Pollution • Local – Typical Landscape Regulations • Sound Attenuation • Stormwater Management • Protection of Night Skies • Water Waste / Xeriscape Ordinance • Parking Lot Landscaping © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your LandscapeRainwater Harvesting – Capturing Nature’s Best for your Landscape http://texaswater.tamu.edu
  3. 3. © George Radnovich Public Ordinances/Laws Public Ordinances/Laws LEED LEED • Federal Guidelines • Erosion and Sediment Control – Energy Consumption (DOE) • Urban / Brownfield – Environmental Quality (EPA) Redevelopment – Stormwater (FEMA (NEPA)) • Reduced Site Disturbance – LEED • Stormwater Management • Design to Reduce Heat Islands © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape LEED Xeriscape Steps Xeriscape Steps LEED Steps New Xeriscape Xeric Conversion Design • Water Efficient Landscaping Protection of Retained Landscape • Green Power Careful Removal of Extant Landscape • Construction Waste Save Aside Recyclables Management Grading • Recycled Content Install/Retrofit Irrigation System • Local/Regional Building Install Landscape Materials Materials Topdress and Finish Conduct Irrigation Audits © George Radnovich Train Maintenance Personnel © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape The Cost of Xeric The Cost of Xeric Cost Comparisons Cost Comparisons Conversions Conversions • Costs • Payback Period – Reclamation - $2,000.00/acre – 3 to 6 years – Re-vegetation - $.50 to $1.00/sf – Xeriscapes – Primarily Mulch/Gravel • Water Savings $1.00 to $2.00/sf – Cost cut by ½ to 2/3 – Xeriscapes – Mulch/Gravel with • Savings of Other Resources Alternative Turfs - $1.75 to $2.50/sf – Fertilizer – Traditional Landscapes $1.75 to – Gasoline $3.00/sf – Labor • Maintenance Costs © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your LandscapeRainwater Harvesting – Capturing Nature’s Best for your Landscape http://texaswater.tamu.edu
  4. 4. © George Radnovich The Cost of Xeric The Cost of Xeric Case Studies Case Studies Conversions Conversions • Maintenance Costs • MESA (Microsystems and Engineering – Traditional Landscape - $1,300 to $2,600 Sciences Applications)/Sandia Labs /acre/mo. – Heavily Planted Xeriscape - $900 to $1,700 • !25 Project /acre/mo. – Moderate Xeriscape - $500 to $900 /acre/mo. • Pavilions – Natural Landscape - $150 to $300 /acre/mo. • High Desert © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape MESA MESA MESA MESA Characteristics • Campus Planning Important • Uses a Previously Developed Site • Resource Conservative Approach • Relocates Trees/Other Materials • Plans for Future Expansion • Reduces Heat Islands • LEED • Uses Native Plants • Uses Local Materials © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape MESA MESA MESA MESA • Water Harvesting • Mall Area © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your LandscapeRainwater Harvesting – Capturing Nature’s Best for your Landscape http://texaswater.tamu.edu
  5. 5. © George Radnovich MESA MESA MESA MESA • Mall Event Space • Interpretive Feature © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape !25 Project !25 Project !25 Project !25 Project • Reuses Existing Site • Pedestrian Orientation • Uses Native Plants in Traditional • Use of Local Materials Ways • Use of Alternative Turfs • Use Environmental Graphics © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape Pavilions Pavilions Pavilions Pavilions • Water Harvesting • Pedestrian Orientation • Local Materials • Shade to Reduce Heat Islands • Native Plants © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your LandscapeRainwater Harvesting – Capturing Nature’s Best for your Landscape http://texaswater.tamu.edu
  6. 6. © George Radnovich High Desert High Desert High Desert High Desert © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape High Desert High Desert High Desert High Desert © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your Landscape High Desert High Desert Questions // Answers Questions Answers ? ? ? ? ? ? © George Radnovich © George Radnovich Rainwater Harvesting – Capturing Nature’s Best for your Landscape Rainwater Harvesting – Capturing Nature’s Best for your LandscapeRainwater Harvesting – Capturing Nature’s Best for your Landscape http://texaswater.tamu.edu

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