ABSTRACT 1.0 INTRODUCTION aqueducts, which conveyed water long distances by mean of gravity through a collection of open and closed conduits. The first aqueduct was built in 312 B.C., and several more were added over the centuries. The most extensive water distribution systems in ancient times were the roman Key words: Branch and Loop software, Water Distribution Network, DGPS. ISSN: 2230-7818 @ 2011 http://www.ijaest.iserp.org. All rights Reserved. Page 10