Encarta Dictionary (2009), defines allocation as an act of giving or earmarking something to or set something aside for a purpose. It defines maintenance as work that is done regularly to keep a machine, building, or pieces of equipment in good condition and working order. It defines it further as the general condition of a facility with respect to repairs making it unchanged or unimpaired. It defines resources allocation as the act of deciding how resources such as money, assets, and personnel (labours) should be used in order to achieve a particular aim. Maintenance resources allocation is thus a very important topic describing how human and material resources are logically assigned to structural facilities such as buildings and roads with the sole aim of making such facilities retain their initial construction value. The decrease of resource allocation for building maintenance activities urges the professions to develop solutions on reducing the maintenance costs. Thus, it is vital to identify the cost characteristics and other resources requirement of preventive maintenance, includes scheduled maintenance and condition-based maintenance through literature review. The characteristics of preventive maintenance always affect the maintenance cost performance. Therefore, relationships between characteristics of preventive maintenance and maintenance cost performance must be established to understand and take into consideration, the maintenance planning stage. At the end, the significant relationship will be able to help the industry practitioners in selecting appropriate maintenance strategy with optimal maintenance expenditure, yet improving the maintenance outcome. The building maintenance costs are rising rapidly from time to time due to poor maintenance in the past. In UK, total spending on building maintenance had a dramatically increase of 66% in the past 10 years. In Malaysia, the development plan allocation for repair and maintenance works in building sector increased from RM296 million during the Eighth Malaysian Plan to RM1,079 million during the Ninth Malaysian Plan. However, the development plan allocation for repair and maintenance works in the Tenth Malaysian Plan has decreased to RM500 million. Green building (also known as green construction or sustainable building) refers to a structure that uses process that is environmentally responsible and resource-efficient throughout a building's life-cycle: from siting to design, construction, operation, maintenance, renovation, and demolition. This requires close cooperation of the design team, the architects, the engineers, and the client at all project stages. The Green Building practice expands and complements the classical building design concerns of economy, utility, durability, and comfort. Although new technologies are constantly being developed to complement current practices in creating greener structures, the common objective is that green buildings are designed to reduce the overall impact of the built environment on human health and the natural environment by: •
Efficiently using energy, water, and other resources
Protecting occupant health and improving employee productivity •
Reducing waste, pollution and environmental degradation from dilapidated facilities Building maintenance resources typically considered to be 'green' include lumber from forests that have been certified to a third-party forest standard, rapidly renewable plant materials like bamboo and straw, dimension stone, recycled stone, recycled metal (see: copper sustainability and recyclability), and other products that are non-toxic, reusable, renewable, and/or recyclable (e.g., Trass, Linoleum, sheep wool, panels made from paper flakes, compressed earth block, adobe, baked earth, rammed earth, clay, vermiculite, flax linen, sisal, seagrass, cork, expanded clay grains, coconut, wood fibre plates, calcium sand stone, concrete (high and ultra high performance, roman self-healing...
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