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Economic and Conservation Evaluation of Capital Renovation Projects: Hidalgo County Irrigation District No. 1 (Edinburg) - Curry Main - Final

机译:基本建设项目的经济和保护评估:伊达尔戈县1号灌溉区(爱丁堡)-库里主要-决赛

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摘要

Initial construction costs and net annual changes in operating and maintenance expenses are identified for a single-component capital renovation project proposed by Hidalgo County Irrigation District No. 1 to the Bureau of Reclamation and North American Development Bank. The proposed project involves installing 1 mile of 72" pipeline to replace a segment of the Curry Main canal. Both nominal and real estimates of water and energy savings and expected economic and financial costs of those savings are identified throughout the anticipated 49-year useful life for the proposed project. Sensitivity results for both the cost of water savings and cost of energy savings are presented for several important parameters.Annual water and energy savings forthcoming from the total project are estimated, using amortization procedures, to be 2,258 ac-ft of water per year and 1,092,823,269 BTUs (320,288 kwh) of energy per year. The calculated economic and financial cost of water savings is estimated to be $24.68 per ac-ft. The calculated economic and financial cost of energy savings is estimated at $0.0000598 per BTU ($0.204 per kwh).In addition, expected real (rather than nominal) values are indicated for the Bureau of Reclamation?s three principal evaluation measures specified in the United States Public Law 106-576 legislation. The initial construction cost per ac-ft of water savings measure is $27.49 per ac-ft of water savings. The initial construction cost per BTU (kwh) of energy savings measure is $0.0000568 per BTU ($0.194 per kwh). The ratio of initial construction costs per dollar of total annual economic savings is estimated to be -2.84.
机译:标识了伊达尔戈县第一灌溉区向垦殖局和北美开发银行提议的单项基本建设项目的初始建设成本以及运营和维护支出的年度净变化。拟议的项目包括安装1英里长的72英寸管线以替换咖喱干渠的一部分。在预期的49年使用寿命中,将确定节水和能源的名义和实际估算以及这些节省的预期经济和财务成本提出了几个重要参数的节水成本和节能成本的敏感性结果。使用摊销程序,整个项目的年度节水和节能量估计为2,258 ac-ft每年节水和每年1,092,823,269 BTU(320,288千瓦时)的能源。节水的经济和财务成本估计为每英呎24.68美元。节能的经济和财务成本估计为每BTU 0.0000598美元( $ 0.204 / kwh)。此外,还为填海局提出了三项主要评估指标,显示了预期的实际(而非标称)价值在美国《公法106-576》中有明确规定。每ac-ft节水措施的初始建筑成本为每ac-ft节水27.49美元。节能措施的每BTU(kwh)的初始建设成本为$ 0.0000568 / BTU($ 0.194 / kwh)。每美元初始建设成本与每年总经济节约的比率估计为-2.84。

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