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AWWA JTMGT64436

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AWWA JTMGT64436 Adding Exits to a Drinking Water Interstate Highway - Delivery Improvements in High Gear

Conference Proceeding by American Water Works Association, 02/01/2007

Kennedy, Jonathan M.

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This paper discusses two 1998 agreements that created Tampa Bay Water by restructuring the West Coast Regional Water Supply Authority. The paper explains the details of the agreement and focuses on one important facet of the governance agreements; that, in exchange for the member government's willingness to transfer their existing water supply facilities to Tampa Bay Water, member governments required that Tampa Bay Water have an unequivocal obligation to meet the existing and future drinking water needs of the members at delivery meters (called Points of Connection, or POCs). The Master Water Supply Contract also included a process to add, delete or modify POCs as conditions warranted. The agreement did not specify the average, maximum or even an expected range of flow at each delivery point. This posed a problem for modifications to existing POCs that serve highgrowth areas and to development of additional POCs because the absence of a flow limit at each POC placed significant constraints on the ability to plan for the future, given the unequivocal obligation to serve. This paper discusses the effort to develop new or modified POCs, and the problem of multiple POCs delivering to the same member government's service area which lead to the oversizing of multiple meters. The paper discusses making administrative adjustments to the delivery system; developing a memorandum of understanding approach for physical adjustments to the delivery system; and, presents several case studies that describe individual POC changes and the development of technical analysis to support those through approvals of the governing bodies. The paper summarizes the capital improvement programs supporting the goals of the memoranda of understanding (MOU). In each case,the MOU has been the basis of establishing design parameters leading to construction and operation ofcapital improvements to serve each member government. Capacity in MGD, delivery pressure, andconstruction schedule are addressed and the operation/control issues are included in the design of thecapital improvements. The paper provides copies of actual MOUs with the different member governments. Includes tables, figures.