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首页> 美国政府科技报告 >Reconnaissance Report, Local Study Cost Sharing Agreement, Shore Protection AndErosion Control Project; Nantasket Beach Shore Protection Study Hull, Massachusetts
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Reconnaissance Report, Local Study Cost Sharing Agreement, Shore Protection AndErosion Control Project; Nantasket Beach Shore Protection Study Hull, Massachusetts

机译：侦察报告，地方研究费用分摊协议，岸上保护和侵蚀控制项目; Nantasket海滩岸边保护研究马萨诸塞州赫尔

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The purpose of this reconnaissance study is to determine whether further planningto alleviate the storm damages in the study area is in the Federal interest. During the Halloween Storm of October 30-31, 1991, the concrete sea walls along the Metropolitan District Commission Nantasket Beach Reservation in Hull, Massachusetts, experienced a substantial amount of damage and undermining. In addition, a large volume of beach material seaward of the walls was also lost. Most past damages have occurred to the existing concrete sea walls including the ramps, stairs, walkouts, riprap and sidewalks as well as backshore flooding due to wave action and overtopping. Total costs for plan is $4,220,000 and total annual charges is $383,000. The average annual benefits from damages prevented, estimated at $2,737,200. The benefit to cost ratio is 7 to 1. The reconnaissance report demonstrates that a sand fill protection plan at Nantasket Beach is environmentally,. economically, and technically feasible and includes that further planning to alleviate shore damages and flooding are in the Federal interest.

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