C150063 Feasibility Study - Laserfiche WebLink

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I I I I works, is in the best condition and has experienced the least problems historically. This section of the dam embankment is subjected to the least impact from extreme wave action. I There are no current plans to repair the remainder of the dam facing, other than if rerapair becomes necessary for limited sections during the performance of routine maintenance. I I ODeration. Maintenance and ReDair Costs I I I The selected project, Option 4-6, is expected to provide a maintenance free surface for the life of the project, for the areas repaired. Because of the age of the dam, some distress of the new surfacing can be anticipated due to the probable inadequacies of the underlying embankment. However, the distress is not expected to lead to deterioration or failure of the surfacing materials, but instead would lead to cosmetic irregularities. It is our opinion that the proposed surfacing material will provide as good a service life and durability as any surfacing available, with the expectation of a long service life and minimal maintenance. I I I I I For the areas not repaired, occasional maintenance will be required. The far eastern and far western sections of the upstream surfacing materials have historically shown the least need for maintenance. An improved annual program of slab patching, slab overlaying and burying the upstream toe with lake bed sands will be initiated to ensure the integrity of the older slab surfacing. The expected cost of this program is $5,000 per year. Financial Proaram I I I I Project Funding The proposed source of funding is twofold. Currently the Company has a $1 million loan authorized from the CWCB in 1994 for this project. The expected interest rate is 4.0 percent per year and the repayment period is 30 years, This loan currently requires a 25% cost sharing participation, $250,000, by the Company. 39