RTW >Engineering Services > City of Broomfield
City of Broomfield
Wastewater Collection System Masterplan
Tetra Tech RTW prepared a wastewater collection system masterplan that included an I&I investigation, master planning services for existing and future service areas, and development of a GIS data base and hydraulic model of the City's wastewater collection facilities.
The I&I evaluation, which consisted
of two weeks of continuous flow monitoring at ten locations throughout the
City's system, was used to approximate extraneous flow in the wastewater
collection system. Master planning
services included wastewater flow projections for future service areas based
on land-use designations for future development. An alternatives
analysis was performed to evaluate whether these additional 
flows should
be conveyed to an adjacent wastewater treatment plant or whether the City
should expand their own wastewater treatment plant. Projected wastewater
flows were then used to determine the size of the sewer that would serve
the future serve areas.
Tetra Tech RTW also developed a GIS data base that incorporated information on the City's entire wastewater collection system, such as pipe size, slope, bury depth, and other relevant parameters. This data base was then imported into a hydraulic model that was used to evaluate various flow scenarios for the City. This hydraulic model would allow the City to evaluate the impact of future development and growth on the wastewater collection system.
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