Sewer Response Articles & Analysis
12 articles found
If you have ever been responsible for installing gravity sewer or drain pipes, you already know one thing: they absolutely must be airtight. ...
These overflows are not subject to secondary treatment requirements. (1) Combined sewer overflows are responsible for an estimated 1.3 trillion gallons of raw sewage being released into our communities every year. In Indianapolis alone more than one billion gallons of untreated sewage is released into the environment every year. A single sewer ...
The wastewater contains metal chips, dirt, coolant and oil from cleaning the plant floors, so the material is too contaminated to responsibly discharge it to the sewer. Before installing a recycling system, the customer dumped and transferred their dirty mop buckets and floor scrubber water into totes – a messy operation that resulted in hauling away 500 ...
Fats, oil and grease (FOG) deposits in sewer systems are responsible for approximately 25% of all annual line blockages in the United States and lead to the release of 3–10 million gallons of untreated wastewater to the surrounding environment. ...
Pipe Bursting The pipe bursting method of Trenchless Repair can be performed in all situations of sewer pipe problems. There is no need to have a muddy, or a messy yard because of sewer repair. ...
Decision-making for sewer asset management is partially based on intuition and often lacks explicit argumentation, hampering decision transparency and reproducibility. ...
There, each day Southern Water treats and recycles 1,400 million litres of wastewater from nearly two million households at 373 treatment works from its 21,500-kilometre sewer network. With that huge responsibility this utility company, like any other, needs to ensure the security of its sewage sludge digesters working at their optimum. ...
The efficiency of these options is quantified by the reduction in sewer and river flood frequencies and volumes, and sewer overflow volumes. This is done by means of long-term simulations (100-year rainfall simulations) using an integrated conceptual sewer–river model calibrated to full hydrodynamic sewer and river models. ...
Municipal engineers can ensure sewer piping systems remain leak-free throughout their operating life by specifying solutions that offer tighter sewer joints. Leaking joints in a sewer piping system result in the loss of soil fines in the bedding around the pipe. As water percolates out of a leaky joint, it mechanically erodes the bedding material around the pipe joint. While this loss not only ...
In 2008, the City therefore retained the services of CTSpec to implement its CTSpec Sewer solution in order to manage the data for the entire sewer system. ...
Sewer flooding incidents in the UK are being increasingly associated with the presence of blockages. ...
Urban water quality management often requires use of numerical models allowing the evaluation of the cause–effect relationship between the input(s) (i.e. rainfall, pollutant concentrations on catchment surface and in sewer system) and the resulting water quality response. The conventional approach to the system (i.e. sewer system, wastewater ...