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 Dlo’ay azhi school
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容积率: |
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| 地址: |
Prewitt, NM |
建筑面积: |
7,330 sq. meters |
| 竣工日期: |
August 2003 |
高度: |
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| 能源利用: |
Green Strategies
Solar Cooling Loads
Minimize number of skylights
Use east and west windows with a low SHGC
Shade south windows with overhangs
Use south windows with a low SHGC
Daylighting for Energy Efficiency
Use building elements to redirect daylight and control glare
Use skylights for daylighting
Use north/south roof monitors and/or clerestories for daylighting
Locate floor openings under top-lighting to increase daylighting penetration
Cooling Systems
Use air-cooled mechanical cooling equipment
Light Sources
Use high-efficacy T8 fluorescent lamps
Lighting Controls
Use occupancy sensors
HVAC Controls and Zoning
Use variable-volume air distribution systems
Roof Insulation
Achieve a whole-roof R-value of 25 or greater |
| 选址和节水方案: |
Recycled materials were used wherever possible in the building construction. The concrete masonry units were manufactured with flyash replacing about 18% of the portland cement; recycled steel scrap provided more than 90% of building’s structural steel; and the gypsum core of the wallboard products was comprised of about 8% recycled materials. In total, 6.9% of the building materials, by cost, were recycled, as per the LEED v2 calculations.
Materials manufactured regionally were also preferred, in order to minimize the transportation costs associated with the building. Just over 47% of the total value of the materials and products used were manufactured within a 500-mile radius of the building site, a region that includes Albuquerque, New Mexico; Phoenix and Tucson, Arizona; Salt Lake City, Utah; Colorado Springs, Colorado; and Lubbock and El Paso, Texas. Of those materials, at least 50% of the content was extracted within 500 miles of the site.
Designated recycling bins are located in key areas of the school, including the cafeteria, classrooms, copy areas, and workrooms. Products to be recycled include paper, glass, aluminum, and plastic. All recyclable materials are then placed in appropriate canisters in the recycling room or taken directly to larger receptacles adjacent to the loading dock at the service entry. All children are expected to participate in this program.
Green Products Used
Air Filters
Green Strategies
Protection of Global Ecosystem
Minimize ozone-depletion potential of refrigerants in cooling systems
Recycling by Occupants
Specify recycling receptacles that are accessible to the occupants
Transportation of Materials
Prefer materials that are sourced and manufactured within the local area |
| 室内环境品质: |
Water Conservation and Use
The site is located in an arid region in the midst of a long-term drought. Water in this area is obtained from deep, low-producing wells. Due to the its remote location, the school needed its own water supply, and a water tower was included in the project.
Low-flow fixtures (using 0.5 gallons of water per minute) with motion sensors save a significant amount of water. The building is expected to use at least 30% less water than a comparable, conventionally designed building.
Since water use for any purpose is expensive, exterior use can be justified only for the establishment of drought-tolerant plants that require little water. The design team selected netleaf hackberry, rocky mountain juniper, valley cottonwood, and purple robe locust trees; fourwing saltbush and chamisa shrubs; beargrass and banana yucca succulents; and winecups groundcover. It is hoped that the natural landscaping will form a part of the educational curriculum and teach children about the ecology of the area.
After a period of temporary drip irrigation (a maximum of two years) all of these plants will be forced to depend on rainfall to survive. At that point, all visible emitters from the drip irrigation system and all control valves and controllers will be removed. The underground plastic piping will be abandoned.
Runoff from the building is channeled through carefully sculpted rock arroyos to maximize onsite infiltration. Native plants will be allowed to grow along these areas. As much site runoff as possible is channeled to low-lying areas to maximize onsite infiltration.
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| 材料选择: |
Green Strategies
Outdoor Pollution Sources
Locate building away from sources of pollution
Entry of Pollutants
Design entry to facilitate removal of dirt before entering building
Visual Comfort and The Building Envelope
Use skylights and/or clerestories for daylighting
Visual Comfort and Interior Design
Locate floor openings under skylights to increase daylight penetration
Ventilation and Filtration Systems
Specify ventilation rates that meet or exceed ASHRAE Standard 62-1999
Direct Exhaust from High-source Locations
Provide local exhaust ventilation for rooms with high-emitting sources
Ventilation During Construction
Provide temporary filters on any permanent air-handling devices used during construction
Building Commissioning for IEQ
Commission the mechanical and electrical systems prior to occupancy
Maintenance for IEQ
Specify use of only nontoxic cleaning products
Facility Policies for IEQ
Recommend a non-smoking policy for the building |
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