As part of the new Azalea Ridge housing development, a new sanitary sewer overflow system was needed to account for the expansion. After review of several options, a DuroMaxx® SRPE SSO system was selected as the best solution.
When the two existing undersized pipes at Hefflefinger Road at Hockamin Creek experienced a number of problems, a BridgeCor® Structural Plate was the best replacement option. The clear span structure minimized clogging due to debris and improved fish passage.
During a massive reconstruction project on 209th Avenue, a StormFilter® was specified due to on-site constraints, Washington County’s preference for Contech cartridge filters and the design support provided by the local Contech design team on past projects.
The Critical Role of Pipe Jointing in Large-Diameter Sanitary Sewer Design
Proper pipe jointing is a critical aspect of designing and installing sanitary sewer systems – especially in the sizeable diameters of 30” and larger. The large joints of these systems play a pivotal role in preventing issues related to infiltration and exfiltration, which can have detrimental effects on the overall functionality of the infrastructure. Inflow and infiltration (I&I) during rain events can lead to capacity issues at wastewater treatment plants, causing severe backups in the system and sanitary sewer overflows (SSOs). This excess flow creates additional costs for treatment, environmental cleanup, and may also expose municipalities to expensive fines by Federal regulators.
Fundamentals of Stormwater Filtration: A Guide for Civil Engineers
As stormwater quality regulations become increasingly stringent, civil engineers are turning to stormwater filtration Best Management Practices (BMPs) to meet the demand for higher pollutant removal efficiency. In this blog post, we will explore the fundamentals of stormwater filtration, focusing on pollutant removal mechanisms, sizing methods, filtration mediums, and the advantages of proprietary systems.
Join Contech's Structures team for a 1-hour webinar, "Delegated Design of Prefabricated Bridges Done Right! Leveraging delegated design to deliver efficient and exceptional bridge projects," featuring guest speakers, Jason Lashley, Eric Olszewski, and Victor LoPiccolo, hosted by Tim Keilty, Nate Sauer, Jennifer McIntire, and Jim Park.
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