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O-2006-2959
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O-2006-2959
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11/2/2016 3:39:21 PM
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5/10/2008 12:38:50 PM
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Legislative Records
Legislative Type
Ordinance
Date
11/6/2006
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<br />PROJECTED CAPACITY DEMANDS <br /> <br />The Consultant has indicated that the total demand for the new capacity is 43 MGD, but <br />only 40 MGD will be available. To date, three (3) Participants have expressed a desire to <br />obtain an option on excess Authority capacity. Should the Authority have excess <br />capacity to sell, the price, as indicated by the new proposed Contract, is subject to <br />negotiation. <br /> <br />The La Porte Area Water Authority currently owns 4.2 MGD, with an additional 3 MGD <br />available by August 2001. With a total capacity of 7.2 MGD, the Authority can meet its <br />average daily demand, with a 2% growth rate, through 2040, and peak daily demand <br />through 2025. Current demand (including groundwater usage) averages 3.6 MGD, with <br />peak day at 4.5 MGD (See Table 3). <br /> <br />TABLE 3 - LP A W A WATER DEMAND PROJECTIONS <br /> <br />FLOW TYPE <br /> <br />2000 2002 2010 2020 2025 2030 2040 <br /> <br />Daily Average <br /> <br />3.302 3.447 4.025 4.907 5.417 5.981 7.291 <br /> <br />Daily Peak <br /> <br />4.513 4.710 5.501 6.706 7.403 8.173 9.964 <br /> <br />Purchase of the Authority's percentage share of the expansion would cost $2,711,630, <br />and would supply the Authority's average daily demand beyond 2050. However, the <br />additional capacity would also result in 50% increase in O&M, emergency repair, and <br />overhead costs that are allocated according to the percentage of ownership. These <br />additional costs would be paid for over 25 years before the additional capacity is needed. <br /> <br />With the transfer of the 3-MGD from Galveston to the Authority scheduled in August <br />2001, the need for additional capacity is approximately .6 MGD. This additional capacity <br />will ensure that the Authority can meet its peak daily demand without exceeding its <br />capacity. Additionally, the increased maintenance costs would only increase <br />approximately 7%, and the Authority would have capacity beyond 2030. <br /> <br />Original pumping capacity at the Plant totaled 225 MGD. The Expansion Study <br />performed by the Consultant indicated that the firm pumping capacity, defined as the <br />capacity after failure of the largest single pump, is 200 MGD, a reduction of 25 MGD. <br />There are no plans to upgrade the pumping facilities to increase this capacity. <br /> <br />7 <br />
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