Action Contre la Faim (ACF) has been working in the field of water supply in Lao PDR since 1991. Since then, ACF has built water supply systems including water boreholes, wells, and spring fed gravity flow systems in more than 300 villages in 3 provinces of Lao PDR. The majority of target villages being rural villages, some of them with difficult access (up to two days walk), technical solutions have been developed for the building of gravity-flow water supply systems fed by springs in remote areas. For instance, plastic underground reservoirs or gabion structures have been used to replace usual concrete structures of gravity-flow systems. This paper discusses about the methodology and the techniques used to build such systems.
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机译：自从1991年以来，Action Contre la Faim（ACF）一直在老挝的供水领域开展工作。从那时起，ACF在3个地区的300多个村庄中建立了供水系统，包括水井，水井和春季重力流系统。老挝人民民主共和国。目标村庄大多数是农村村庄，其中一些村庄交通不便（最多两天步行路程），已经开发出了技术解决方案，用于在偏远地区建设由泉水供给的重力流供水系统。例如，塑料地下蓄水池或石笼结构已被用来代替重力流系统的常规混凝土结构。本文讨论了用于构建此类系统的方法和技术。
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