||Model for Capacity Expansion Planning of Water Distribution Networks.
La, Fu-hsiung ;
Schaake, J, John C. ;
||Massachusetts Inst. of Tech., Cambridge. Ralph M. Parsons Lab. for Water Resources and Hydrodynamics.
||131 ;R70-71; OWRR-B-014-MASS ;MIT-DSR-71993; 04351,; B-014-MASS(1)
( Water distribution ;
Mathematical models) ;
( Urban planning ;
Water supply) ;
Decision making ;
Cost engineering ;
Dynamic programming ;
Water system expansions
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A methodology was developed for planning the capacity expansion of water distribution networks to meet anticipated future water needs. Optimal present investment decisions could be related to the annual discount rate, economy-of-scale in the cost of capacity expansion, existing network capacity, and the demand growth patterns. The general nature of water distribution network planning and the problem of single period planning for a tree network were reviewed. Dynamic programming was applied to the problem of multi-period, single component planning. A model was developed for tree network planning. (WRSIC abstract)