DEPARTMENT OF BUILDING FACULTY OF ENVIRONMENTAL DESIGN AHMADU BELLO UNIVERSITY, ZARIA BUILDING CONSTRUCTION TECHNOLOGY BLDG 501 ASSIGNMENT BY MOHAMMED O. MUBARAK U05BD1041 2010 BUILDING CONSTRUCTION TECHNOLOGY 2010 Q1-CONCEPT OF GREEN BUILDING/ENVIRONMENTALLY FRIENDLY BUILDINGS G reen Building is a holistic approach to programming planning, designing, and constructing (or renovating) buildings and sites. Green building is the practice of creating structures and using processes that are nvironmentally responsible and resource-efficient throughout a building’s life-cycle from siting to design, construction, operation, maintenance, renovation and deconstruction. This practice expands and complements the classical building design concerns of economy, utility, durability, and comfort. Green building is also known as a sustainable or high performance building. Besides that, all liabilities of materials, water and energy waste, and pollution emissions are converted into economic opportunities through the realization of environmentally sound, healthier and cost effective project. Green building design is a concept that is still at its infancy stage, but one that has been successful in utilizing different aspects of construction, planning, and building technologies that have come up to reduce the environmental impact known to be caused by buildings. The recent past has seen a lot of attention in almost all sectors which not only focus on the green building design but also on the duty of restructuring old patterns to create a healthy and more sustainable environment. Away from the green building design and the use of some building materials in favor of those considered to have little or no impact at all on the environment, the building and construction industry has also seen a shift in how new buildings are designed and meant to function. U05BD1041 / BLDG 501 Page 2 BUILDING CONSTRUCTION TECHNOLOGY 2010 Green Architectural concept (take note of the roof lighting) Areas of application of Green Buildings There are five major areas of application of a sustainable building design, namely: 1. Sustainability 2. Materials 3. Energy efficiency 4. Land use and 5. Waste reduction Sustainability Building green does not only involve designing a structure for its present use but also for its future uses. A flexible building can be ‘renovated and recycled’ severally over its lifetime. If for whatever reason some technical issues of a construction prevent the main building to be used for a new function, the materials used in the building therefore should be designed in such a way that they will facilitate ease of reprocessing and recycling of the materials. U05BD1041 / BLDG 501 Page 3 BUILDING CONSTRUCTION TECHNOLOGY 2010 Materials Typically, a building uses up various materials in the process of building. Green architecture minimizes the reliance on resource intensive materials and products and use earth-friendly, efficient, and recyclable materials. Green concept showing the use of insulated Curtain walls which also provides adequate daylight Energy Efficiency An equally crucial aspect of sustainable architecture is the incorporation of energy efficient conservation ways and mechanical systems. Sustainable buildings are designed in such a way that they will get rid of, or minimize the reliance on fossil fuels. Further, green designs help reduce waste by implementing viable solutions and sustainable energy strategies.
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