Assignment Sustain | Waste | Sustainability

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  Essay question:  Discuss briefly the possible strategies that can be implemented duringconstruction project management phase as to achieve sustainable construction management ina typical construction project. Essay answer: The first strategies to be considered is procurement. It is to achieve improved wholelife value through the promotion of best practice construction procurement and supply sideintegration, by encouraging the adoption of the Construction Commitments in both the publicand private sectors and throughout the supply chain. It is also to ensure sustainableconstruction requirements are addressed. The procurement of goods, services and buildingshas traditionally been based on two overriding considerations: price and quality. owever, thechoices people ma!e about what they buy and how they buy it can have a huge impact on allaspects of sustainable development. ustainable procurement isn#t just a question of choosingthe most environmentally friendly products. It is about achieving the best possible value for money over the long term and should include economic and social, as well as environmental,considerations. $ne of the !ey barriers to more sustainable procurement is the belief that itwill always cost more. owever, this is certainly not always true. In many cases costs canactually be cut by reducing waste, increasing resource efficiency and promoting innovativenew products. ite or environment is the issues to consider when developing the strategy of aconstruction business include climate change mitigation in new builds and businessoperations, as well as adapting for future climate change conditions. %ater management,including drainage and water conservation, is another crucial issue to environmental, as areconsiderations of biodiversity and waste reduction on site and in the office. The ne&t strategies are material selection and waste prevention. That the materialsused in construction have the least environmental and social impact as is feasible bothsocially and economically. 'uch of the waste from construction is potentially ha(ardous anddisposal should be carefully planned. owever, whatever the nature and characteristics of thewaste may be, it all has one thing in common: it represents a loss of resources, loss of moneyand reduced sustainability. In particular, traditional waste disposal, such as landfill andincineration, can cause serious environmental damage. ome of the main types of wasteresulting from the construction include: tiles, wood, insulation, concrete, plastic, bric! and bloc!, lead pipes, asphalt, ferrous and non)ferrous, glass, metals, paint and roofing materials.istorically, landfill sites have been the most common method of organised waste disposal.*ccording to a recent report by the %ates +roup -/0, the 12 construction industry sends3/ million tonnes of waste to landfill sites each year. The potential impacts of landfill are asfollows: lea!age, methane emissions, odour problems, damage to roads caused by heavyvehicles, noise pollution from vehicles and machinery, local air pollution particularly in theform of dust, nuisance and disease e.g. from rats and flies0. 4andfill ta&es are set to rise andthere are serious penalties for fly)tipping offenders. Construction waste is therefore afinancial, social and environmental issue that needs to be tac!led by following the %asteierarchy 5 6educe, 6euse, 6ecycle.  'oreover, the ne&t strategies are recycling and energy. 6ecycling to enhance theindustry#s capacity to innovate and increase the sustainability of both the construction processand its resultant assets. It is also to identify materials to recycle at each phase of constructionand methods to support the onsite recycling effort. The energy strategy is to ensure theconstruction industry responsible for the intensive use of energy in the creation of buildingsand infrastructure and in the operational phase, and the production of carbon dio&ide andother pollutants. The construction industry is responsible for the intensive use of energy bothdirectly, in the creation of buildings and infrastructure, and indirectly, in the operational phase. *s well as the carbon dio&ide which is produced, a variety of other pollution is caused by construction processes and buildings in use. Thoughtful planning and design can have amajor impact on reducing energy use and pollution over a building#s entire lifetime. Thenumber of more sustainable solutions is growing rapidly and many of these can providesubstantial financial savings, as well as environmental benefits. This is particularly the casewhen they are considered at the earliest possible stage of a project and where long)term benefits are fully ta!en into account.6euse and recycling of building material is a growing area of interest and concern inmany parts of the 1 *. Current practices and trends in the building material wastemanagement area are e&amined from a building life cycle standpoint or cradle toreincarnation concept. trategies include (ero waste, integrated recycling, internationalapproaches, reuse of materials, resource optimisation, waste reduction, and deconstruction.7&amination of the waste management hierarchy and life cycle management of material isused to improve the understanding of reuse and recycle opportunities. $ther considerationsinclude cost, economic factors, social factors and environmental factors. *ll of theseassessments are needed to develop a comprehensive waste management plan for a specific project. It is important to recogni(e that the sustained growth in reuse efforts, as well as thesustained interest of the reuse industry, derives in large measure from the solid wastereduction hierarchy: 6educe, 6euse, then 6ecycle. It is best to reduce first, reuse as a secondoption, then to resort to recycling. 6euse is recogni(ed as being distinct from recycling, bothin doctrine, and in the handling of the materials this unique industry diverts from the wastestream. 6euse is a means to prevent solid waste from entering the landfill, improve our communities, and increase the material, educational and occupational wellbeing of our citi(ens by ta!ing useful products discarded by those who no longer want them and providingthem to those who do. In many cases, reuse supports local community and social programswhile providing donating businesses with ta& benefits and reduced disposal fees.8esides, the strategy on health and safety is integral to the success of any project,from design and construction to subsequent operation and maintenance. It is to improve thequality of life for construction wor!ers are identified. ocial considerations in sustainableconstruction as one of the bottom)line considerations consequently the importance of healthand safety for wor!ers. *s an e&ample of activity within the public sector, the Department of ealth promotes the strategy across the health and social care sector and has developed thehealthcare environmental assessment tool. This is supported to ensure that in futurehealthcare facilities are built and operated in accordance with these sustainable construction principles.  4astly, the indoor environment quality strategy must be considered too. The Indoor 7nvironmental 9uality category rewards decisions made by project teams about indoor air quality and thermal, visual, and acoustic comfort. +reen buildings with good indoor environmental quality protect the health and comfort of building occupants. igh)qualityindoor environments also enhance productivity, decrease absenteeism, improve the building#svalue, and reduce liability for building designers and owners. This category addresses themyriad design strategies and environmental factors such as air quality, lighting quality,acoustic design, and control over one#s surroundings that influence the way people learn,wor!, and live. The relationship between the indoor environment and the health and comfortof building occupants is comple& and still not fully understood. 4ocal customs ande&pectations, occupants# activities, and the building#s site, design, and construction are just afew of the variables that ma!e it difficult to quantify and measure the direct effect of a building on its occupants. Therefore, the Indoor 7nvironmental 9uality section balances theneed for prescriptive measures with more performance)oriented credit requirements. or e&ample, source control is addressed first, in a prerequisite, and a later credit then specifies anindoor air quality assessment to measure the actual outcome of those strategies.
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