GREEN BUILDING PDF
Green building and sustainable building both refer to the design and construction of buildings that have a minimal impact on the environment. Green building encompasses all phases of design, materials selection, and construction, including life-cycle analysis and energy efficiency. PDF | The design, construction, operation, maintenance of buildings Green Building Design favors natural building for its local availability. buildings and explains common green building practices with respect to siting, energy .. ), available at myavr.info
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The Motivation behind the Green Building Idea. Increased Public Focus on Sustainability and Energy Efficiency Supportive Framework and General. emission into the earth's atmosphere. A green building is designed, constructed and operated to minimize the total environmental impacts while enhancing user. United States Green Building Council administered Leadership in Energy and Environment chapters/cascadia/docs/pdf/POE_REPORT_pdf).
The result shows most of the professionals in this sector prefer considering environmental issues as the primary concern in developing the new building over social and economic aspects of sustainability. Despite their awareness of this concept, limited experience from building owner and rewards are the two main barriers to the steady progress of professionals taking certification of green building.
This study also shows that the government and green building council of the country needs to evaluate the method to promote the use of green building concept and to encourage professionals taking the certification.
Keywords: Civil engineering, Environmental science 1. Introduction The building sector has progressively become the most significant contributor to carbon emission. The US. Highest emission mostly from the OECD members, but the growth is limited.
Primarily, the concept is drawn from intensive discussion and debates on minimizing the adverse effect of buildings on the environment by improving efficiency and moderating the use of materials, energy, and spatial development.
Green building is one of the concepts to encourage the use of environmental friendly approach in the construction sector. It can be measured using specific assessments such as ecological, social, and economic.
Kibert , generates criteria of commercial quality from reduction of life cycle cost to the preservation of economic value.
Green Building PPT and Report
The commercial quality of buildings becomes critical as this industry involves enormous investment and labor. The collective knowledge, experience, and dedication of the design team will determine the overall success of the green project. All members of the green team should participate in the project goal setting session.
Once the goal setting process has been completed it may become obvious that meeting certain goals may require expertise that lies outside the current design team.
Specialized consultants may need to be engaged for specific elements of the design and construction process or to oversee all elements of the green design program.
These specialists will be able to bring new ideas and solutions to the table for consideration and should be included in the project as early as possible.
Praxishandbuch Green Building
Integrated Design Process… Building a green building is not just a matter of assembling a collection of the latest green technologies or materials. Rather, it is a process in which every element of the design is first optimized and then the impact and interrelationship of various different elements and systems within the building and site are re-evaluated, integrated, and optimized as part of a whole building solution.
For example, interrelationships between the building site, site features, the path of the sun, and the location and orientation of the building and elements such as windows and external shading devices have a significant impact on the quality and effectiveness of natural daylighting.
These elements also affect direct solar loads and overall energy performance for the life of the building.
Without considering these issues early in the design process, the design is not fully optimized and the result is likely to be a very inefficient building. This same emphasis on integrated and optimized design is inherent in nearly every aspect of the building from site planning and use of on-site storm water management strategies to envelope design and detailing and provisions for natural ventilation of the building. This integrated design process mandates that all of the design professionals work cooperatively towards common goals from day one.
Overview of the Five Elements of a Green Building Project… The following pages summarize key principles, strategies and technologies which are associated with the five major elements of green building design which are: This information supports of the use of the USGBC LEED Green Building Rating System, but focuses on principles and strategies rather than specific solutions or technologies, which are often site specific and will vary from project to project. Minimize urban sprawl and needless destruction of valuable land, habitat and green space, which results from inefficient low-density development.
Encourage higher density urban development, urban re-development and urban renewal, and brownfield development as a means to preserve valuable green space. Preserve key environmental assets through careful examination of each site. Engage in a design and construction process that minimizes site disturbance and which values, preserves and actually restores or regenerates valuable habitat, green space and associated eco-systems that are vital to sustaining life.
Key Strategies and Technologies: Design buildings and renovations to maximize future flexibility and reuse thereby expanding useful life.
Identify and protect valuable greenfield and wetland sites from development. Invest time and energy in seeking variances and regulatory reform where needed. Develop programs and incentives that promote car-pooling including preferred parking for commuters who carpool.
Consider making provisions for re-fueling or recharging alternative fuel vehicles. Provide natural shading of buildings and paved areas with trees and other landscape features. Pursue variances or waivers where local ordinances may unintentionally result in the over-design of roadways or parking.
Minimize the boundaries of the construction area, avoid needless compaction of existing topsoil, and provide effective sedimentation and silt control during all phases of site development and construction. Emphasis should be placed on retention of storm water and on-site infiltration and ground water recharge using methods that closely emulate natural systems.
Minimize the unnecessary and inefficient use of potable water on the site while maximizing the recycling and reuse of water, including harvested rainwater, storm water, and gray water.
Special effort should be made to preserve areas of the site that serve as natural storm water retention and ground water infiltration and recharge systems.
Storm water that leaves the site should be filtered and processed naturally or mechanically to remove trash and debris, oil, grit and suspended solids. Harvest, process and recycle rainwater, site storm water, and building gray water and identify appropriate uses within the building and site. Use on-site treatment systems that enable use of rain water for hand washing, gray- water for toilet flushing, rain and storm water for site irrigation, cooling tower make-up and other uses.
Minimize adverse impacts on the environment air, water, land, natural resources through optimized building siting, optimized building design, material selection, and aggressive use of energy conservation measures.
Maximize the use of renewable energy and other low impact energy sources.
Consider the use of light shelf technology. Consider insulated double glazing, triple glazing or double pane glazing with a suspended low-e film. Selective coatings offer optimal light transmittance while providing minimal solar gain and minimal heat transmission. Window frames, sashes and curtain wall systems should also be designed for optimum energy performance including the use of multiple thermal breaks to help reduce energy use.
Consider using indirect ambient lighting with workstation based direct task lighting to improve light quality, reduce glare and improve overall energy performance in general office areas. Incorporate sensors and controls and design circuits so that lighting along perimeter zones and offices can be switched off independently from other interior lights when daylighting is sufficient in perimeter areas.
Use variable speed drives on fan and pump motors.
Identify and use sources of waste energy. Provide a healthy, comfortable and productive indoor environment for building occupants and visitors. Provide a building design, which affords the best possible conditions in terms of indoor air quality, ventilation, thermal comfort, access to natural ventilation and daylighting, and effective control of the acoustical environment. Optimize solar orientation and design the building to maximize penetration of natural daylight into interior spaces.
Provide shades or daylight controls where needed.
Provide dedicated engineered ventilation systems that operate independently of the buildings heating and cooling system. Ventilation systems should be capable of effectively removing or treating indoor contaminants while providing adequate amounts of fresh clean make-up air to all occupants and all regions of the building.This practice expands and complements the classical building design concerns of economy, utility, durability, and comfort.
This information supports of the use of the USGBC LEED Green Building Rating System, but focuses on principles and strategies rather than specific solutions or technologies, which are often site specific and will vary from project to project. The Asthma and Allergy Foundation of America recommends hardwood, vinyl, linoleum tile or slate flooring instead of carpet. Consider everything from blended concrete using fly ash, slag, recycled concrete aggregate, or other admixtures to recycled content materials such as structural steel, ceiling and floor tiles, carpeting, carpet padding, sheathing, and gypsum wallboard.
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The optimum design solution is one that effectively emulates all of the natural systems and conditions of the pre-developed site — after development is complete. Well-designed buildings also help reduce the amount of waste generated by the occupants as well, by providing on-site solutions such as compost bins to reduce matter going to landfills.
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