作为满足未来供水需求计划的一部分，夏洛特·梅克伦堡公用事业部（CMUD）聘请布莱克和维奇设计了一座位于北卡罗来纳州梅克伦堡县北部的新水处理设施。该设计包括设施所有组件的容量研究、取水和原水输送干管的选址研究，以及确定最佳处理工艺的中试工厂研究。本文介绍了新电厂进水口和输水系统的设计。由于成本大幅降低，在低水位期间，选择具有虹吸流能力的重力流，而不是泵送流或重力流。 与重力流相比，虹吸流将节省超过100万美元，与泵送流相比将节省超过300万美元。所需的管道深度也比重力流更合理。

As part of a plan to meet future demands for water supply, the Charlotte-Mecklenburg Utility Department (CMUD) retained Black & Veatch to design a new water treatment facility located in the northern part of Mecklenburg County, North Carolina. This design included a capacity study for all components of the facility, a siting study for the intake and raw water transmission mains, and a pilot plant study to determine the optimum treatment processes. This paper describes the design of the intake and water transmission systems for the new plant. Gravity flow with siphon flow capability during periods of low lake levels was selected over pumped flow or gravity flow alone because of substantially reduced costs. Siphon flow will provide a savings of more than $1 million when compared to gravity flow alone and more than $3 million when compared to pumped flow. Required piping depths are also more reasonable than for gravity flow.