Erdman Anthony provided design and construction inspection services for the $30 million reconstruction of Main Street from Bailey Avenue (U.S. 62) to the Scajaquada Expressway (N.Y. 198) in the City of Buffalo. Aerial photogrammetry was provided to complement the survey and base mapping. Erdman Anthony composed a design report/environmental assessment and performed manual and automatic traffic counts, road history studies, highway capacity analyses, and accident investigations. In addition, Erdman Anthony was responsible for subsurface testing and analysis, bridge inspections, development projections, utility research, environmental review, public information meetings, historical investigations, and bike-route analyses. Erdman Anthony successfully worked with numerous federal, state, city, and private agencies, groups, and utilities on this project. In addition, construction documents for pavement replacement, widening, intersection realignment, drainage improvements, utility relocations, new traffic signals, bridge rehabilitation, maintenance of traffic plan, pavement markings, street signage, street lighting, and bike routes were created by Erdman Anthony.
A major portion of the project involved replacing the century-old water system. The primary 16-inch cast iron pipe (CIP) transmission main was replaced in its entirety with a new 16-inch ductile iron pipe (DIP). New 36-inch DIP and appurtenances were also installed, and some 36 inches of CIP were fitted with joint clamps, cleaned, and cement-mortar lined. Significant elements of the distribution system consisted of 8- to 12-inch DIP, dozens of interconnections, and fire hydrants and valves.
The initial stage of the project involved completion of the full topographic survey and mapping as well as a design report. Upon approval of the design report, Erdman Anthony prepared the detailed construction plans and specifications. The design allowed for the staged construction of the water system to be installed in conjunction with the various stages of road reconstruction to minimize inconvenience to the public. Close coordination of the water system construction with sewer, electric, and telecommunications utility providers throughout the duration of both phases of this project was critical.
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