RJN to upgrade MWRA’s flow monitoring system

RJN Group, Inc., a Wheaton, Ill.-based engineering and specialty field services firm, has been selected by the Massachusetts Water Resources Authority (MWRA) to provide engineering services, including assessment of the existing wastewater metering network and data platform, field services, flow meter and data platform evaluations, design and resident engineering/inspection services, associated with the upgrade of the MWRA’s wastewater metering system.

This complex system contains 212 metering sites within pipes with varying shapes, sizes, and depths ranging in size from 8 in. to 150 x 138 in., with manhole depths ranging from 5 ft to more than 40 ft deep. The metering sites are located in residential, commercial, and industrial areas.

The MWRA’s permanent wastewater metering system was initially constructed in 1994. The primary purpose has been to quantify wastewater flow from each of the 43 MWRA wastewater member communities. Other uses of the data include collection and treatment system analysis and planning, infiltration and inflow quantification in member communities, use in hydraulic models and to a limited extent, operations support.

The MWRA provides wholesale water and sewer services to 2.5 million people and more than 5,500 businesses in 61 communities across eastern and central Massachusetts. Since 1985, the MWRA has remained proactive in keeping its services high in quality and efficient, investing more than $6 billion in essential new facilities.

RJN Group, Inc., established in 1975, is a professional engineering and assessment services firm that provides solutions to improve the performance and service life of collection and conveyance systems.  RJN engineers continually pursue cutting-edge technologies and methods to deliver results more quickly and efficiently into our client’s hands, while maintaining high standards for quality. To learn more, visit www.rjn.com.

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