AE2S - Langdon Main Street Reconstruction The City of Langdon, ND was plagued by a series of fires that ravaged its business district. Due to aging infrastructure, the City was unable to adequately fight those fires. Watermains, sanitary sewers, and storm sewers were all desperately in need of repair. The watermains had limited the ability of the fire department to run their fire fighting water pumps at full capacity. The sanitary sewer was constructed of vitrified clay tile and had sections that were crushed and impassable. The storm sewer was also in poor condition with manholes constructed of brick and mortar which were crumbling and plugging the pipes. The existing street had been patched numerous times from repairs made to the underground infrastructure. Additionally, void areas under

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