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Ethics in the construction industry
Construction impact on the environment
Ethics in the construction industry
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Introduction:
The natural environment is the term that encompasses all living and non-living things occurring naturally on earth or some part thereof. The natural environment is contrasted with the built environment which comprises the areas and components which are strongly influenced by humans and human activity. Environmental issues arise when development unduly negatively impacts the natural environment by exhausting natural resources or by destroying the ecological system. Over the last two decades a number of environmental regulations were developed in order to protect the environment for future generations and to serve as guidelines to assist with the implementation of environmental management plans for developers. Environmental regulations have become very important and almost no civil engineering project is complete without being influenced by these regulations.
In the construction industry a lot of emphasis has been placed on preserving the environment. In the not so recent past, large construction projects were started without undertaking impact studies on the environment. Nowadays it is a legislative requirement that a proper Environmental Impact Assessment (EIA) and Environmental Management Plan (EMP) must be compiled and approved before any construction work may commence. The growing importance of sustaining the natural environment is one of the major challenges that design and construction engineers face today.
Whether you consider the design of a dam retaining wall, bridge or building, all elements require the use of cement in some process. Below is a description of the environmental impacts due to manufacture and use of cement and methods of reducing these impacts.
Environmental impact due to the production o...
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... and Jesuits in Communication www.ecojesuit.com/looking-at-the-global-and-local-again/1206/ (Accessed April 14, 2014)
• Errol van Amsterdam (2003), Construction Materials for Civil Engineering.
• Lafarge. The production of extended cements and the impact on concrete durability. www.lafarge.co.za/wps/portal/za/2-Cement (Accessed April 14, 2014)
• Mahasenan, N., Smith, S., Humphreys, K., Kaya, Y. (2003). The cement industry and global climate change: current and potential future cement industry CO2 emissions.
• Shah, S., Wang, K. (2004). Development of "green" cement for sustainable concrete using cement kiln dust and fly ash.
• In Proceedings of the International Workshop on Sustainable Development and Concrete Technology, Beijing, China, 20-21 May 2004. Edited by Kejin Wang. Ames, IA: Center for Transportation Research and Education, Iowa State University
As society becomes increasingly more aware of the decline of the environment, it is the responsibility of the inhabitants of this Earth to both rid of further damage as well as improve the current standing of the land. More specifically, engineers must be mindful of the Earth and it’s condition as their job relates directly a great deal of the time to the environment. Civil engineers, in particular, are hands on with the environment as they are constantly dealing with the land and constructing structures that might have an affect on the surroundings. Engineers must consider a wide variety of factors while doing their job. For example, engineers cannot simply be concerned with the easiest design or a lower cost when they need to be aware of
REQUEST FOR PROPOSAL GENERAL CONTRACTING Cement Production Plant Environmental Impact Study in Page Table of Contents 2 1. PROJECT SUMMARY 3 a.
Lightweight concrete plays a major part in the construction of large-scale structures around the world, typically in bridges and high-rise buildings. With an ever-improving industry and product lightweight concrete will continue to have a vast impact in the future.
Concrete is a composite material used widely in the construction industry. Concrete is basically a mixture of cement, water, aggregates and admixture (sometimes). Cement is a fine gray powder that consists of oxidizes calcium, silicon and aluminum. The aggregate used is normally gravel, crushed stone or sand. Admixture is a solid or liquid substance that gives a certain characteristics of the concrete. The cement reacts with water chemically and binds the aggregates together through a process called hydration during hardening or curing of concrete. It means that water helps in the hardening of the concrete while the cement bind the aggregate and also react with water to form a solid mass.
Environmental impact assessment (EIA) entails a multifaceted appraisement of the possible aftermath caused by a project or action on the surrounding man-made and natural environment (Wood, 2003). This systematic process requires the involvement of all interested stakeholders in the process and the public, in order to achieve a widespread consent on the planned project and mitigation strategies proposed [European Commission (EC), 2014].
After several years of use and abuse of natural resources, humanity begins to awaken from its stunned by the advances of technology, to understand the magnitude of the impact caused by its presence in the environment. At present, trends in various aspects of human activity seek to achieve a harmonious relationship with nature; one of them is the practice of interior design. The main reason because the construction industry, in particular, has incorporated especially such attention, is the result that it has proved to be one of the main sources of pollution in water, air, and noise
Sustainable buildings are becoming somewhat of a necessity in the world today. As the demand for green building develops, so does the demand for green building materials. Just as the old techniques and building materials seem to disappear in the assembly of things, they are now making a come back. Green building focuses on the efficiency of major resources like water and energy. As the cost for sustainable materials and products are on the decline, building green seems to be the most cost effective kind of design and construction. Looking specifically at green materials and their impact on the production of structures, it is evident that they are a prime choice for building material. The use of green materials should be promoted because they are better for the environment, more healthful for the consumer, and better for the economy.
As of October 31, 2011, the world population has reached 7 billion people (Collins, 2012). The growth rate of humans continue to be staggering, this generates a demand to change the land use, the allocation of resources, and more importantly the realization of the environmental pressures associated with more development (Ascione, 2009). The exponential growth of human development in the recent years has given rise to awareness to the natural ecosystem (Savard & Clergeau, 2000). This awareness towards the environment has created environmental planning. Environmental planning entails facilitating decisions with consideration to the social, political, economic, and natural environment in order to provide a relationship that balances between the environment and human system.
Environmental management awareness rose up for last decades until today. So in managing and avoiding environmental degradation happen continuously, the are several policy and regulation formed from time to time. Environmental Impact Assessment (EIA) And Strategic Environmental Assessment (SEA) is two of environmental protection that being implemented. Most country have the same policy but in own standard of control. These policy primary goal is to ensure the implementation and enforcement
Restoring and Improving Urban Infrastructure - Engineering Challenges. " EngineeringChallenges.org -. National Academy of Science, 2012. Web. The Web.
Sustainable concrete materials and sustainable steel reinforcement have been introduced to civil engineers to get closer to the sustainable development. Sustainable buildings constructed with use of these materials have shown an increased service life and the final cost has been reduced due to them.
Environmental law is a broad form of law developed to regulate how human activities affect the physical and biological environment (Doremus et al 2008, 2). Environmental law can be large scale or small scale, global or local; but it takes the cooperation of many different agencies to be successful. Overall, environmental law has contributed to a healthier environment in many ways. Since the beginning of environmental law and regulation, society has seen advancements in sanitation, pollution, air and water quality disease control and prevention, and ultimately in quality of life.
The environment around us gives us the habitat to live, is a condition for our existence and development so that protecting environment which is one of today’s most serious issues means protecting our lives. But almost every day we hear a new problem badly affecting the environment. The list of the new difficulties seems to be endless. We are all aware of these concerns and can admit that we caused them. Now, environmental protection is not the work of a single individual as it is the responsibility of the whole community, of every single person exists on this planet. The measures range from each citizen to the government.
As human beings we have a responsibility to protect ourselves, each other and our environment. The term environment refers to a complex set of social/cultural conditions that affect an individual or community. However, there are events and processes that occur in the environment that human beings have no control over. Environmental science, the systematic study of processes and materials in our environment, identifies temperature, precipitation and humidity as a few natural conditions. Natural conditions force us to be reactive, while things that we can control, such as consumption and waste, allow us to be proactive.
Today talking about environmental issues lately to be like a common topic discussion until people take it for granted. However, the world facing a complex environmental problems related to each trouble that connected to one another and come out with greater impacts to the environment and humans. This is because the effects of environmental only can be seen in long term period rather than immediately result show up. Environmental issues must become one of the controversial matters in the society in order to make people know the truth what the world currently facing. There were a lot of environmental disaster happened such as climate change, global warming, various of pollutions, earthquake and etc. the rise of environmental issues begin with this urban development occur through several countries following with the technologies equip along. For sure, development will cause a huge negative impact to the environment if it deals without a care. Besides, the environment is the place in the ecosystem to hold and use in finding resources to continuously survive in this world. Thus, the finding and digging for the resources which happening extensively without preservation will not restore the surrounding similar with before. But then, the change cannot be refuse and people need to take an action to save the threaten the world and the ecosystem from being extinct. If each country has own output in causing an environmental problem, then consider the world to hold all the damage occurred. Exposing the effects of environmental issues throughout the world, make people realize the important to take care the environment.