manhole installation Articles

  • 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 ...


    By Greyline Instruments Inc.

  • Kijlstra brings bountiful benefits to UK's largest local authority highway project

    While the near completed bypass for Church Village in Rhondda Cynon Taf, South Wales, is bringing relief to the communities along the previously congested A473, the first use of a revolutionary manhole system is also making life easier for design and build contractor Costain. The contractor trialled more than 150 of Kijlstra’s square pre-cast concrete manholes on the three-year, £90 ...


    By Kijlstra Precast Ltd.

  • City Marina Park, Barrie, Ontario - Case study

    Project Name: City Marina Park Product: Grasspave2 porous access road Application: Access Road – to manhole cover City: Barrie State/Province: Ontario Install Date: May 2007 Install Size: ...


    By Invisible Structures, Inc.

  • Preventative maintenance pays off - Case Study

    A Florida Municipality Finds an Efficient System for Preventing Corrosion in Manholes The City of Pace, Fla., located near Pensacola in the Florida panhandle, was experiencing significant corrosion in its manholes that made maintenance and construction of its wastewater system increasingly costly and inefficient. If not corrected, the municipality realized that the structural integrity of ...


    By Sauereisen Inc.

  • Heat From Wastewater

    When it comes to using wastewater heat from channels, provision and evaluation of hydraulic and thermal wastewater data is urgently needed prior to planning and implementation of facilities. Knowing the wastewater temperatures as well as the flow rates - particularly as dry weather discharge – is an indispensable component. It is therefore essential to carry out preliminary measurements ...


    By NIVUS GmbH

  • Pump Stations - Case Study 2

    Description Severe deterioration of the town’s sewer system called for a comprehensive rehabilitation project that included permanent rehabilitation of 224 manholes and 6 pump stations as well as slip-lining of sewer lines, service lateral replacements, sewer line replacement and upgrades to lift stations. Solution The Town of La Grange contracted with a Poly-Triplex Certified ...


    By Envirocort Technologies

  • Manholes - Case Study 7

    Description Severe deterioration of the town’s sewer system called for a comprehensive rehabilitation project that included permanent rehabilitation of 224 manholes and 6 pump stations as well as slip-lining of sewer lines, service lateral replacements, sewer line replacement and upgrades to lift stations. Solution The Town of La Grange contracted ...


    By Envirocort Technologies

  • Fritz Sick Pool Cultec Parking Lot Rehabilitation

    Improper grading in the parking lot of the Fritz Sick Swimming Pool in Lethbridge, Alberta, led to stormwater flooding in the building and breakdown of the lot’s asphalt and subgrade. The consultant and contractor were open to an approach Nilex proposed, based on a complete solution of supply and installation with a rapid turnaround for design. The ability to respond quickly with a solid ...


    By Nilex

  • Sewerage Systems for Residential Developers - Case Study

    Vacuum sewerage systems almost always cost less to install and less to maintain than traditional gravity systems, and certainly less than pressurized systems with grinder pumps. A single vacuum pump station will usually be sufficient to support an entire project. Lower Cost ...


    By Flovac Systems

  • Burnsville Interceptor Rehabilitation - Case Study

    With a budget exceeding $100 million a year in wastewater pipe capital improvements over the next several years, Metropolitan Council Environmental Services takes its job of protecting the wastewater infrastructure of the greater Minneapolis-St. Paul metropolitan area's nearly 3 million residents very seriously. MCES operates eight wastewater treatment plants and 600 miles of interceptor sewers ...


    By Inliner Technologies, LLC

  • Measuring Wastewater Below Ground

    Measuring wastewater is one of the most difficult water management tasks that exists. While some wastewater flows are easy to access, others are very hard to measure because they are in open channel conditions and are below grade. If you need to measure below ground wastewater flow, there are a few factors that you need to consider to help you choose the right tool for the job. With a ...


    By TRACOM Inc.

  • Screentec, the low maintenance bar screen - Case Study

    Screentec frees operators from costly, dangerous maintenance. Coweta Water Authority, GA - 2016 Aqualitec installed a mechanical bar screen in a manhole, upstream of the influent pump station and Headworks. As a result, maintenance costs and safety hazards have been reduced drastically.  ...


    By Aqualitec Corp.

  • A no-brainer for drains

    Pre-fabricated drainage products have saved time and boosted safety on a Welsh road scheme Surface water drainage is not the most visible element of a new road scheme – after all, it’s almost entirely underground. But it is vitally important to any road and it’s one of the first priorities before work starts on the carriageway. At Costain’s £59 ...


    By Kijlstra Precast Ltd.

  • Case study - Water accountability portable monitoring instruments solve flow rate mystery - Case Study

    The Glen Walter Sewage Collection System was built to service 1080 customers in 1989. At the time the population was 850 but by 1995 the sewage treatment plant had already reached capacity. Shawn Killoran took over the Operations Manger position in 1999 and, along with the Mayor and Council, he immediately had concerns about the excess flow. The Township started by video taping all of the lines ...


    By Greyline Instruments Inc.

  • Portable Monitoring Instruments Solve Flow Rate Mystery - Case Study

    The Glen Walter Sewage Collection System was built to service 1080 customers in 1989. At the time the population was 850 but by 1995 the sewage treatment plant had already reached capacity. Shawn Killoran took over the Operations Manger position in 1999 and, along with the Mayor and Council, he immediately had concerns about the excess flow. The Township started by video taping all of the lines ...


    By Greyline Instruments Inc.

  • Another Sewer from Hell - The City of Richmond, British Columbia, Canada Experience

    ABSTRACTThe City of Richmond has a population of approximately 180,000 and is located on a flood plain at approximately sea level. These physical attributes present numerous challenges with underground utility design, including sanitary sewers. On January 21, 2005 the City declared a local state of emergency near the intersection of No. 3 Road at Cook Road due to the development of a large ...

  • The Langer Connection

    The call came from a Kennedy township homeowner that the smell of raw sewage was in the air and they were tired of the smell. Dave Gasparovich went out and started walking the very hilly area (15% grade or more) in search of the culprit. What he found was incredible, incredibly bad. The 12 manholes he discovered in the woods had been installed in the late 70’s and were connected with clay pipe. ...


    By A-Lok Products, Inc.

  • Efficient monitoring of glucose level case study

    MonoScan provides an efficient monitoring of glucose level in as leading jam manufacturers. The manufacturing is based on grapes to produce jams, confiture and related products for the food industry. The company sought an ultrasonic level measurement solution that will improve monitoring over the glucose level in the storage tanks and reduce costs throughout the plant. The ...

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