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平塘县2010年烟水项目谷硐乡大坪、鸡歪两处回头看烟水工程实施方案目录前言.....................................................................................................................................-1-第一章项目建设依据和任务..................................................................................................-3-第一节项目建设的依据..........................................................................................................-3-第二节项目建设任务及规模..................................................................................................-3-第二章项目区概况................................................................................................................-4-第一节基本情况.....................................................................................................................-4-（一）地理位置....................................................................................................................-4-（二）水源概况....................................................................................................................-4-（三）烟地概况....................................................................................................................-4-第二节工程规划简况..............................................................................................................-5-第三章烟区灌溉规划.............................................................................................................-6-第一节灌溉制度与灌溉定额..................................................................................................-7-（一）灌溉制度....................................................................................................................-7-（二）灌溉定额....................................................................................................................-7-第二节灌区水量平衡分析......................................................................................................-8-第四章工程设计....................................................................................................................-9-第一节设计依据.....................................................................................................................-9-第二节工程等别和标准........................................................................................................-10-第三节水文及工程地质........................................................................................................-10-（一）水文气象..................................................................................................................-10-（二）工程地质..................................................................................................................-10-第四节工程布置及主要建筑物设计....................................................................................-11-（一）工程布置..................................................................................................................-11-（二）建筑物设计..............................................................................................................-12-（三）管材用量..................................................................................................................-15-（...