The Time Scale
3.48 The horizon for the different planning purposes varies. Thus, from conception to completion, a large reservoir may need 8-10 years, a treatment plant 5-6 years, service reservoirs and pumping stations 3-4 years and trunk mains 1-2 years. The arrangements for draw-off from reservoirs to maintain a proper distribution of resources must be planned months ahead, but sudden storms may require alterations to be made overnight.
3.49 All of this planning requires experienced professional staff trained in many inter-related disciplines, and maintaining such an organization might be said to be the most important planning function of the management of the Waterworks.
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Page 45
Page 46
The Time Scale
3.48 The horizon for the different planning purposes varies. Thus, from conception to completion, a large reservoir may need 8-10 years, a treatment plant 5-6 years, service reservoirs and pumping stations 3-4 years and trunk mains 1-2 years. The arrangements for draw-off from reservoirs to maintain a proper distribution of resources must be planned months ahead, but sudden storms may require alterations to be made overnight.
3.49 All of this planning requires experienced professional staff trained in many inter-related disciplines, and maintaining such an organization might be said to be the most important planning function of the management of the Waterworks.
34
Page 45Page 46
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