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 BigHorn Center
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容积率: |
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| 地址: |
Silverthorne, CO |
建筑面积: |
4,130 sq. meters |
| 竣工日期: |
April 2000 |
高度: |
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| 能源利用: |
Green Strategies
Wall Insulation
Design to avoid thermal bridging when using light-gauge steel for building shell
Achieve a whole-wall R-value of 15 or greater
Solar Cooling Loads
Shade south windows with overhangs
Daylighting for Energy Efficiency
Use south-facing windows for daylighting
Design an open floor plan to allow exterior daylighting to penetrate the interior
Use large exterior windows and high ceilings to increase daylighting
Use skylights for daylighting
Non-Solar Cooling Loads
Provide high-low openings to remove unwanted heat by stack ventilation
Provide an open floor plan and openings located to catch prevailing breezes
Use ceiling fans to improve comfort at higher temperatures
Reduce internal heat gains by improving lighting and appliance efficiency
Interior Design for Light
Use light colors for surfaces and finishes
Photovoltaics
Use building-integrated photovoltaics (PV) to generate electricity on-site
Foundation Insulation
Use sub-slab insulation with a minimum insulating value of R-10
High-performance Windows and Doors
Use windows with a whole-unit U-factor less than 0.32 (greater than R-3.0)
Heating Systems
Use hot water heat distribution
Lighting Controls
Use modulating photoelectric daylight sensors
Use occupancy sensors
Roof Insulation
Achieve a whole-roof R-value greater than R-35
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| 选址和节水方案: |
Limited amounts of raw wood were used in the construction. Fiber-cement siding was chosen for the exterior because of its longevity, durability, and fire-retardant characteristics. Cabinets, countertops, and interior signage were constructed with fiberboard made from soy-fiber and wheat-straw board. Low-VOC paints and tile or carpet adhesives were used throughout the building.
Diversion of Construction & Demolition Waste
Cardboard, wood, and steel waste was diverted from the landfill throughout the construction process. Wood waste was separated. Employees used the scrap wood where possible during construction. The remaining wood was taken home by employees who own wood stoves. Cardboard and steel recycling dumpsters were provided on-site to facilitate recycling. Approximately 15% of the construction waste (by weight) was diverted from the landfill.
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| 室内环境品质: |
Site modifications were necessary. A small creek flowed through the center of the property; with the help of the Corps of Engineers, this creek was redirected around the periphery of the property. As a result, the total amount of wetlands on the site was expanded by 40%. The creek and wetland vegetation added along the back side of the property also helped create a natural buffer between the BigHorn Center and residential areas.
Green Strategies
Sites with Excessive Impacts
Avoid building on or degrading wetlands
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| 材料选择: |
All primary areas of the BigHorn Center have access to cross-ventilation and a steady supply of fresh air. In the retail area, open doors at the front and back of the building, a large receiving bay garage door, and single-sided operable windows in the offices on the ground floor combine with the single-sided clerestory operable windows to create a natural stack ventilation system throughout the occupied areas. Cooling set points control the opening of the operable windows in the clerestory. Solar heat gain in the summer is minimized by clerestory roof overhangs which divert direct summer light. Early-hour opening of the operable windows adds cooler air to the space in the summer. Additional air circulation is provided by ceiling fans.
Green Strategies
Thermal Comfort
Use glazing with a low Solar Heat Gain Coefficient
Visual Comfort and The Building Envelope
Use large exterior windows and high ceilings to increase daylighting
Use skylights and/or clerestories for daylighting
Incorporate light shelves on the south facade
Visual Comfort and Interior Design
Select only white to midrange finishes to maximize reflectance of light
Visual Comfort and Light Sources
Provide illumination sensors
Ventilation and Filtration Systems
Provide occupants with access to operable windows
Below Grade Rainwater and Groundwater
Use landscaping and grading to divert water from the building
Reduction of Indoor Pollutants
Use only very low or no-VOC paints
Use only very-low-VOC carpet adhesives
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