manhole inspection technology Articles

  • Crawler Size: The Right Investment for the Right Pipeline Inspection Application

    As with any maturing technology, the inspection crawler market has evolved from a handful of basic models to a vast array of configurations, each uniquely adapted for nearly any pipeline inspection application.For buyers, this can also be a double-edged sword since finding the right crawler among the myriad of choices can require research, forethought, and inevitably some compromise. So, here are ...


    By Envirosight LLC

  • Whittier in Frederick, Maryland - Storm Water Treatment Underground Systems Meet Regulatory Requirements

    The Assisted Living Project at Whittier in Frederick, M.D. is a 6.3 acre retirement community situated next to Whittier Lake. Planned by Fox & Associates, it included special design considerations for a cost-effective and attractive means of treating stormwater. To detail the Whittier site, it is comprised of a retirement assisted living facility which is 19,151 sq. ft., a retirement medical ...


    By BaySaver Technologies, Inc.

  • Rapid detection of sewer defects and blockages using acoustic-based instrumentation

    Sewer flooding incidents in the UK are being increasingly associated with the presence of blockages. Blockages are difficult to deal with as although there are locations where they are more likely to occur, they do occur intermittently. In order to manage sewer blockage pro-actively sewer managers need to be able to identify the location of blockages promptly. Traditional closed-circuit ...


    By IWA Publishing

  • Pipeline Zooming for a Comprehensive Infrastructure Survey.

    Time, budget and resources often keep a municipality from maintaining comprehensive, up-to-date information on water and sewer pipeline conditions. Without a complete understanding of their infrastructures, municipal supervisors cannot properly prioritize and schedule maintenance activities. As a result, emergencies—backups, collapses, and overflows—happen unexpectedly, and must be dealt with on ...


    By Envirosight LLC

  • The role of robotics in the trenchless industry

    The official definition of a robot is “a machine or device that operates automatically or by remote control,” yet this does not really define the information and functions that the robots in the Trenchless Technology industry provide to engineers from local water authorities, municipalities and It can be argued that the first step towards what we know today as ‘robots’ was the use of tube ...


    By KATE PMO AG

  • Pearl river valley water supply district case study

    Performance History and Discussion In-Pipe Technology implemented the first phase of a collection system Professional Services Program in 2001. Beginning in 2002, additional collection system basins were added to the services program. Currently, the treated areas include the North and South shore of the Pelahatchie Bay, the Main Harbor, and two Lagoon Waste Water Treatment Plant (WWTP) ...

  • An Infrastructure Grows · Decentralized Treatment and Recycling Domestic Wastewater

    THE TERM, “decentralized waste-water management,” refers to the process of treating and discharging treated wastewater in the local vicinity where it is generated. Decentralized systems typically use the soil as the final receptor of the treated wastewater instead of discharging to surface waters, which are generally the receptors of treated wastewater from larger centralized treatment plants. ...


  • Transforming an oil tank into a clean water tank - case study

    It would be an almost impossible task, many would claim, to turn an 86 diameter large Orimulsion 400 tank, that has been out of service for years, into a clean watertank. But this was whatEcologica was contracted to do for their client ENELS.p.A. ENEL S.p.A. chose Italian-based Ecologica S.p.A. as service provider for this tank clean atthe ENEL Central e Federico power plant in Brindisi as they ...


  • Stormwater Management for Urban Environments

    IntroductionElmhurst College, a hundred-thirty-five year old private learning institution, is proceeding with a campus redevelopment project that will include a one hundred seventy bed residence hall. In addition, the college continues to be a role model for sustainable site design and an educational resource for both students and the community.The need for additional housing, due to ...


    By Advanced Pavement Technology

  • ASTM Standards Help Meet Need for Clean Water

    The new ASTM Water Portal provides a single access point to standards and related information about ASTM International’s diverse committees working to protect and monitor this vital global resource. Clean and safe water is the underpinning of the quality of life for people around the world. Global economies depend on water, whether it’s to support the manufacturing of goods ...


    By ASTM International

  • Vancouver, WA Salmon Creek, St. Johns Trunk - Case Study

    Summary Clark Regional Wastewater District commissioned a condition assessment on the Salmon Creek and St Johns Trunk reinforced concrete lines. For St. Johns Trunk, a 36-inch line, corrosion due to vapor-phase H2S was suspected and evidence was observed visually by CCTV. The District wanted to quantitatively determine the extent of corrosion and if/when future rehabilitation would be ...


    By SewerVUE

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