Water & Wastewater Pipes Articles

  • Twin Oaks Treatment Plant Case Study

    Population growth and federal water quality mandates are necessitating water providers across the country invest in new water treatment facilities. Shrinking water supplies are also demanding systems reevaluate how their “dirty” water is utilized. This is particularly true in the Southwest, where water scarcity and growth are nothing new. Northwest Pipe Company’s engineered ...

  • A successful Augusta Fiberglass Duct Project - Case Study

    How Augusta Fiberglass met one customer’s need for duct under difficult conditions This large turnkey project required Augusta Fiberglass to demolish existing metal duct and replace all of the saddles and duct work within a tightly set time frame. The replacement Fiberglass Reinforced Plastic Duct would be fabricated in sections 16 to 20 feet in diameter. Fabricating the duct at the ...


    By Augusta Fiberglass (AFC)

  • 1 - 20% Decrease in Hagihon`s NRW & Continuous Decline in Pipe Bursts Case Study

    Results from a recent study by HaGihon indicate a substantial improvement in NRW (Non-Revenue-Water) in the DMAs in which Aquarius Spectrum’s system was installed and continuously operated during a period of two years (2014-2015). NRW was reduced in those neighborhoods by 20%, mainly due to locating and fixing hidden leaks and repairing malfunctioning equipment located by Aquarius. In ...


    By Aquarius Spectrum

  • Long life ISO9001 certificated motor reductor

    Low speed synchronous motor gearbox can save space, be reliable and durable, with high overload capacity, power up to 200KW, low energy consumption, superior performance, deceleration efficiency of up to 95%, low vibration, low noise, and Rigid cast iron box with powder mixer and gear is subjected to high-frequency heat treatment and precision machining to form a helical gear. The high torque ...


    By Sogears

  • StormTank Module: The Top 5 Connection Questions, Answered

    As part of the design process for an underground stormwater storage system, engineers must consider how to connect ports and pipes, and similarly, contractors need to know how to do so in the field. That being said, we get a lot of questions regarding how to make connections to the StormTank Module system. We answer five of the most frequently asked questions in this blog post: ...


    By Brentwood Industries, Inc.

  • Sanitary Fittings for Plastic and Polypropylene Pipes

    Fittings for metal-plastic pipes have the same function as fittings for metal pipes. To connect them to the pipes, a collet is used. They can also be transitional from a collet to a threaded joint, for joining metal-plastic pipes and metal pipes. One of the most reliable connections for metal-plastic pipes is a press connection (press-fitting compound). It is achieved by ...


    By Adamant Valves

  • Hydraulic simulation of perforated pipe systems feeding vertical flow constructed wetlands

    For successfully operating a vertical flow constructed wetland, the uniform distribution of wastewater on the surface of the soil filter is essential. In research, however, this aspect is often overlooked. This study presents a methodology for assessing discharge uniformity from perforated pipe systems via hydraulic modeling. First, the requirements and conditions for the simulation of ...


    By IWA Publishing

  • Comparison of viscoelastic models with a different number of parameters for transient simulations

    The numerical and analytical models used for transient simulations, and hence for the pressurized pipe system diagnosis, require the definition of a rheological component related to the pipe material. The introduction and the following widespread use of polymeric material pipes, characterized by a viscoelastic behavior, increased the complexity and the number of parameters involved in this ...


    By IWA Publishing

  • ATEX: Blower Technology And Explosion Protection

    Aerzen Combines Effective Reactions With Preventive Measures As specialist in blower and compressor technology for conveying air and gaseous media, the AERZEN Ex-protection within different ATEX-zones is a part of day-to-day business. Combustible dust, spatial distribution, oxygen share, ignition source and the closed reservoir are components of a dust explosion and ...

  • Experimental characterization of PVC-O pipes for transient modeling

    The increasing use of plastic materials has modified several aspects of design and management of water distribution systems. With reference to the numerical modeling of transients, the definition of a correct rheological model of the pipe material is receiving an increasing interest. In this paper the behavior of the molecularly oriented polyvinyl chloride (PVC-O) pipes during transients is ...


    By IWA Publishing

  • Link-Pipe Inc.’s Grouting Sleeve - Case Study

    Background Link-Pipe Grouting Sleeve is manufactured by Link-Pipe inc. of Canada. It is a local repair system developed for the structural renovation of gravity sewers. The system is comprised of a stainless steel structural core, which uses a mechanical lock to hold it against the host pipe, the core is surrounded by an absorbent foam gasket. Limit straps prevent the sleeve ...


    By Link-Pipe Inc.

  • What makes high-risk pipelines deteriorate to a state of failure?

    According to AWWA's 2016 Benchmarking Survey, the average water and wastewater utility has seven breaks per 100 miles of piping every year. Tip-top systems experience just four breaks in that distance, while those at the bottom have 18. While it’s interesting to note the difference in break rates, it’s unfair ...

  • Reasons to Choose Best Trenchless Pipe Bursting Repairing Equipment in Alameda, CA

    Keeping a home, nice, safe and clean may not be as simple as some homeowners may think. Even though the maintenance of the home is usually each family members responsibility and everyone can pitch in from time to time, there are times when the safety and cleanliness can be compromised by problems beyond their control. One of the more notable involves keeping the plumbing system in the home from ...


    By Tric Tools, Inc.

  • U.S. Army StopIt - Case Study

    When it comes to quick in-field repairs The U.S. Army relies on the STOP IT Pipe Repair System The STOP IT Pipe Repair System Is a Basic Issue Item used for emergency in-field repairs of The U.S. Army’s Lightweight Water Purifier One of the most important logistical concerns involving U.S. Fighting Forces is the supply and replenishment of fresh ...


    By InduMar Products, Inc.

  • Marine Meriom Glory StopIt - Case Study

    Our ship is earning US$10,000 per day and we cannot afford for any delays. Problem: The sea water outlet circuit of the Central Cooling System developed a leak caused by corrosion. Without adequate cooling certain parts of the engine, which are exposed to very high temperatures, would soon fail. ...


    By InduMar Products, Inc.

  • Stop It Offshore Decommisioning Project - Case Study

    Project: Offshore Decommissioning - Natural Gas Line Repair Problem: 4” carbon steel natural gas lines had major wall loss and pinhole leaks due to corrosion. These leaks prevented the pipes from being pressurized in order to pig, flush and plug the lines for removal ...


    By InduMar Products, Inc.

  • Important Steps Of Trenchless Pipe Bursting In Alameda?

    Homeowners should ask themselves whether or not they know about the important steps of trenchless pipe bursting in Alameda? Pipe bursting is one of the two primary methods of trenchless sewer line repair that people are going to use. Pipe lining is the other primary method, and pipe lining is a popular one as well. However, many professional plumbers are going to use pipe bursting, particularly ...


    By Tric Tools, Inc.

  • What Are The Benefits Of Commercial Pipe Bursting?

    When there is a piping system that is needing to be repaired or fixed, it is always a hassle for you to have to deal with, as a homeowner, because there is so much damage that is done to your property. This has lead many homeowners to put off needing repairs done, specifically because they do not want to deal with the property damage and destruction around their home. However, with a newer ...


    By Tric Tools, Inc.

  • Preventing & Thawing Frozen Pipes

    A “how-to” guide on preventing and thawing frozen pipes. As temperatures drop below freezing around the country, it’s important to be informed of the cold weather’s effect on your water pipes. When temperatures are below freezing, pipes in unheated areas are subject to freezing causing messy, and often expensive issues. Just one burst pipe running at 4-8 ...


    By WaterSignal

  • Leak-before-break in cast iron mains: a failure analysis of a catastrophic pipe burst on Harris Street, Sydney

    This article analyses the failure of a 500 mm-diameter cast iron (CI) water pipe that catastrophically fractured in Sydney in 2013. According to metallurgical analysis and finite element simulation, a longitudinal pre-existing crack initiated from the adjacent bell-joint and eventually propagated to a critical length in the pipe barrel over a certain period. There was evidence of leakage prior ...


    By IWA Publishing

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