Stormwater Flow Articles
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Data Centered Network Management is Routine in Lahti
Recently, 2021 EU Green Capital Lahti has focused its efforts on the issue of inflow and infiltration water in the sewer system. Machine learning became a part of their toolkit, as Lahti Aqua adopted the Neuroflux network management service. It quickly became clear that the service was not only useful for locating extraneous water in the sewer system, but was also a great aid in finding problems ...
By Smartvatten
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Project - 108 Inch Storm Drain Lining
Project Scope A deteriorating 108″ Corrugated Metal Pipe located in Joint Base Charleston in North Charleston, SC was in need of renewal. The pipeline is located near military housing and a recreation area right off of a busy road. A large diameter trenchless lining solution was needed for this repair. 110 Feet Installed 108" Pipe Diameter SPR Spiral Wound Method To read the full ...
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Monitoring odor dispersion at the world’s largest WWTP thanks to Cairnet & Cairsens - Case Study
Customer: Wastewater treatment Localisation: United States of America Installation: Close to the ponds and property line for the neighbourhood Function: Measuring odour emissions (H2S) Location Background This wasterwater and stormwater treatment plant is one of the largest in the world. It treats an average of 1.3 billion gallons (6 million m3) of wastewater each day- 500 billions gallons (2.2 ...
By ENVEA
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Three Ways to Think Like a Sponge City
Climate change is real, regardless of whether we agree on the cause. Forward-thinking urban regions are beginning to realize that the effects of climate change are going to be felt, at least to some extent, no matter what actions we take now. The future, if we plan to be there, must be sustainable. So what does that look like where stormwater is concerned? One of the most innovative trends in the ...
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Thurston County Comments on Pulsar Measurement Area-Velocity Flow Meters
Thurston County, Washington have been using Pulsar Measurement Greyline flowmeters for about seven years. The Stingray and the AVFM 6.1 have been used across multiple stormwater applications. Primarily their focus is to measure stormwater flow so that engineers can develop flow capacity for stormwater projects. The Stingray has been deployed in multiple locations within their stormwater ...
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Considerations for Trench Drain Systems
Trench drain systems come in all shapes, sizes and materials and it can be difficult to determine which system is best suited for your project. Here’s a breakdown on what you need to consider when planning a project that requires trench drain systems. What are the load requirements for the drain? It’s particularly important to mitigate potential flooding situations in high ...
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The Tide is High, But I’m Holding On: Stormwater Challenges in Coastal Regions and the Path Toward Resilience
Coastal stormwater managers are facing unprecedented challenges when it comes to tackling stormwater flows. Many factors come together to create an especially tough situation along our coastlines. Today, we’ll share four images that highlight the multiple issues “flowing” together to make coastal stormwater management such a challenge, and then we’ll discuss the first ...
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City of Ottawa Tackles System Overflow and Flooding with Tempest Inlet Controls Case Study
Over the past few decades, rain events throughout North America have become more frequent and substantial. The combination of increased rain and outdated infrastructure has caused many municipality storm sewers and drainage systems to exceed capacity, resulting in flooding and additional expense. To cost-effectively mitigate the problem, municipalities are turning to the use of inlet control ...
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Forests Serve as Freshwater Infrastructure
Mountain meadows and forests play an important role in capturing and slowly releasing precipitation. Restoring watershed headwaters is examined as a water storage strategy A global realization is dawning about the pressing need for more freshwater storage infrastructure to support growing populations in our time of climate change. Faced with the astronomical costs of constructing such ...
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Forests Serve as Freshwater Infrastructure
Restoring watershed headwaters is examined as a water storage strategy A global realization is dawning about the pressing need for more freshwater storage infrastructure to support growing populations in our time of climate change. Faced with the astronomical costs of constructing such infrastructure, however, water management is beginning to look at existing natural features that can serve the ...
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Recycled Carbon Fiber Strengthens Pervious Concrete
Allowing stormwater to recharge groundwater may help solve urban water problems The Indonesian capital of Jakarta is a dramatic example of some increasingly common water problems because it faces a triple threat: The sea level is rising from climate change. The city is sinking due to low aquifer water levels from overuse. Impervious concrete covers so much ground that the rain can no longer ...
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Pre-Construction Monitoring - Case Study
Monitor baseline flows in stormwater and combined sewer systems pre-and post-green infrastructure ...
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Eastney - Horsham, West Sussex - Case Study
Project summary: ERG was contracted by Southern Water to provide increased air extraction and upgraded odour control at the Eastney Headworks site in Portsmouth. Key project data: The upgrade works more than doubled the extracted air flowrate to the odour control unit from 20,700m3/hr to 48,500m3/hr was completed with live sewage flow throughout maintained air extraction from the ...
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Thurston County comments on Greyline Area-Velocity Flowmeters - Case Study
We have been using Greyline products at Thurston County, Washington for approximately seven years. We use both the Stingray portable flow meters and the permanent Area Velocity Flow Meter (AVFM II) in multiple stormwater applications. We have used these meters to measure stormwater flows to help our design engineers develop flow capacity for stormwater projects. We have deployed the Stingrays at ...
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Area-Velocity Flowmeter Installations in Denmark - Case Study
Area-Velocity Flow Meters are designed to monitor flow rates in partially filled pipes and open channels without flumes or weirs. A sealed ultrasonic sensor is mounted on the bottom of the pipe or channel and connected to electronics through a watertight cable. The sensor measures both level and velocity and when calibrated with the pipe diameter or channel dimensions, the Greyline AVFM ...
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Elastomeric Check Valves streamline water flow in both directions at popular SKI area - Case Study
Proco rubber check valves work automatically for pipelines to provide water for snow-making as well as divert excess storm water during spring to fall The Spirit Mountain Recreation Area in Duluth, Minnesota, provides 175 acres for skiing and snowboarding, with 22 runs, a terrain park and freestyle features. The recreation area was created in 1974 and is an authority of the city, governed by a ...
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Secondary Oil Containment at US Army Corps of Engineers - Big Bend Dam - Case Study
Big Bend Dam takes its name from the unique bend in the Missouri River seven miles upstream from the dam. Construction of the dam began in 1959 and the embankment was completed in July 1963. Big Bend dam is 95 feet (29 m) high and 10,570 feet (3,220 m) in length. Power generation began at the facility in 1964 and the entire complex was completed by 1966. The hydroelectric plant generates 493,300 ...
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Hirschthal, Switzerland protected with WaStop DN1200 - Case Study
Location: Hirschthal, Switzerland Problem: During times of high river levels, flooding occurred in the town of Hirschthal. This flooding occurred when the river level was higher than the stormwater outfall. This lead to river water pushing back up the outfall pipe, and spilling onto roads and residential areas. Solution: A DN1200 (NPS 48″) WaStop inline check valve was installed inside ...
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Why You Want Articulated Concrete for Landfill Protection
A good landfill is one that no one notices. It does not produce odors, contribute to erosion or divert storm water to undesirable locations. The municipality or private entity in charge of it has to make great efforts to keep it that way. One way to do that is by installing articulated concrete. This system of concrete blocks and wires offers landfill protection that is unlike previous options. ...
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Hydrological and environmental assessment of urban growth in a sub-tropical town in India
Roorkee, a sub-tropical urban town in India, has shown a rapid unplanned growth in the past. This paper presents the findings of a study of characteristics of urban soil, rainwater, and runoff emanating from different sources areas and the stormwater flows in the drains. Urban soil showed significant increase in the concentration of all constituents in comparison to the nearby rural soil. Soil ...
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