Efficient Utilization of Timber for Formwork and Scaffold Construction: a Case Study of Construction Firms within Kumasi Metropolis
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2005-08-11
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Abstract
This dissertation investigated how timber used for formwork and scaffold on construction sites within the Kumasi metropolis has been identified with waste. It also identifies strategies necessary to be adopted to minimise the waste. The study reflects on previous observations and research on various appropriate strategies and other relevant issues of timber formwork and scaffold construction. Samples of construction firms: D1, D2, D3 and D4 were surveyed through site visits, observation, interviews and questionnaires to identify the factors associated with the waste. Experiments were conducted on samples of some timber species to determine their strength properties and durability in the service life, and viability of such species. Development of prototype of prefabricated timber formwork and scaffold provides a possible
solution to enhance economic use of timber.
The main findings of the study reflected on timber usage, supply schedule of timber to the sample sites, the different construction methods being used and the subsequent destruction occurring demonstrated the seriousness of timber wastage through formwork and scaffold construction on sites. Timber consumption in this regard, constitutes a notable depletion rate of Ghana's forest resources. The study concludes that, the prototype of prefabricated timber formwork and scaffold developed and the recommendations are appropriate strategies devised to promote efficient utilization of timber in the building industry in Ghana.
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A Thesis submitted to School of Graduate Studies, Kwame Nkrumah University of Science and Technology Kumasi, in partial fulfilment of the requirement for the degree of Master of Philosophy In Building Technology.