RehabNews

NASSCO tech tips: Human or machine: The importance of image clarity

The use of ADR can help make observations and perform coding at much faster rates than the human brain can, while maintaining image clarity. This is wonderful news when we consider the amount of data out there still to be collected, first time or fifth time.

Rehab News

Ellison Mills Contracting, a leading Southern Arizona’s heavy civil construction firm, has joined the ranks of certified Reline America installers; Vortex Technology Group LLC received WRc-Approved certification for its VeriCure Cured-In-Place Pipe (CIPP) monitoring system.

Moving up the sewer line just got easier

Advanced Lightweight Aluminum Skids, Nozzles Provide Superior Cleaning

Warren Environmental relocates to Georgia, other rehab news

Warren Environmental and Coatings LLC, a leading manufacturer of proprietary epoxy products and patented application technologies for water and wastewater infrastructure throughout the U.S., is relocating from Massachusetts to Georgia.

First aqueduct water pipeline rehabilitated with geopolymer for SDCWA

(UI) — When the San Diego County Water Authority (SDCWA) inspected its First Aqueduct water conveyance system in Valley Center, engineers identified that rehabilitation was required. Groundwater was infiltrating three tunnels within the system and rehabilitation was required to maintain the tunnels’ structural integrity and extend their service life.

Tech Tips: Force main rehabilitation

(UI) — Force mains, also called rising mains in the United Kingdom, are low pressure pipelines that lift the sewage from one location to another by pumping the sewage under positive pressure.

Pressure pipe rehabilitation – what’s on the menu?

(UI) — Trenchless methods have been widely used for the rehabilitation of gravity pipelines for some time. The advent of these technologies and methods has lowered the cost of extending the useful life of gravity pipelines as opposed to outright replacing them.

Breakthrough time of styrene emissions through various CIPP coating materials

(UI) — Recent studies of cured-in-place pipe (CIPP) liners have shown that potentially dangerous concentrations of styrene can be emitted prior to liner installation in the cold storage unit or vehicle.

Rehab Technology: Emergency repair of unexpected leak

(UI) — Created in 1951, by the Texas Legislature, North Texas Municipal Water District (NTMWD) consists of 10 original member cities, including Farmersville, Forney, Garland, McKinney, Mesquite, Plano, Princeton, Rockwall, Royse City and Wylie. By 1956, this new agency was providing water to the region.

NASSCO Standard Bearers: Kathy Romans

This month, Underground Infrastructure profiles Kathy Romans, who not only has been a tremendous force within the rehabilitation industry, but an effective leader for NASSCO. In additional to her committee work and service on the board of directors, Kathy was the first woman president of NASSCO.

Rehab News

(UI) — The regional manager changes at Avanti and Aegion acquires trenchless water rehabilitation provider Infraspec Services.

RehabZone continues to educate infrastructure industry

For 22 years, the RehabZone has been an integral element in the annual Underground Construction Technology International Conference & Exposition (UCT), and it was again, in February, at the 2023 event.

Technical guide to variations of close-fit liners for mainline pipe

(UI) — Cured-in-place pipe (CIPP) has surpassed more than 52 years of successful and diversified installations. Over those years, the technology has advanced with development of new techniques and products that have influenced cost, quality and installation speed.

Rehab News: Cherne Introduces World’s Largest Test Ball

(UI) — The 72- to 120-inch Test-Ball was carefully developed with an optimized design that offers improved performance and safety for blocking flow in the biggest pipes in sanitary and storm sewer systems.

Rehab News: Vortex GeoKrete Geopolymer Approved by WRc; Cherne Launches Easy-to-Use Disc Seal Plugs

(UI) — The Vortex Companies received WRc-approval for its Quadex GeoKrete; Cherne Industries launched a line of Disc Seal plugs, featuring an excellent sealing range, convenient installation, and more in this edition of Rehab News.

Rehab Technology Profile: NASSCO Standard Bearers Pete Kurz

(UI) — NASSCO continues to set standards for the assessment and rehabilitation of underground infrastructure. A vast array of individuals has contributed to the success of the association, both in the past and present, that has driven NASSCO’s industry mission. This month, Underground Infrastructure profiles Pete Kurz who embraced the ideals of NASSCO to become one of its staunchest supporters and effective memorable leaders.

Rehab News: New Chemical Grout Injection Technology; Avanti Adds Grouts to NSF/ANSI/CAN 61 Certified Product Line

(UI) — Injecting chemicals to stabilize, lift, seal or compact weak soils and rocks is not new. Polyurethane grout material has been used for this purpose since the 1960s. However, the limitations of this process, to shallow depths of 20 feet or less, have often been frustrating, not only for asset owners but installers, as well.

Rehab Technology: Tips for Using Bypass Pipe Plugs for Sewage Bypass

(UI) — Pipe plugs are designed to perform three essential functions: blocking a pipeline, conducting an air test in a pipeline, and bypassing effluent in an active pipeline. Blocking a pipeline becomes necessary during new installation or maintenance, when effluent needs to be temporarily stopped or a new pipe is air tested for leaks.

Rehab News: HammerHead Engineer Appointed to ISO Committee; New Fulfillment Center Opened

(UC) — David Kozman, senior applications engineer at HammerHead Trenchless, was appointed as a technical expert representing the United States in ISO Technical Committee 138 (TC138), Subcommittee 8 on Rehabilitation of Pipeline Systems.

Rehab News: Prime Resins PR 10L Acrylamide Succeeds as Water Barrier, Soil Stabilizer

(UC) — PR10L ACLM is a very-low-viscosity acrylamide grout that yields a gel upon reaction. As thin as water, the grout solution can infiltrate water for sealing leaks or to deeply penetrate soils for soil stabilization.

NASSCO Tech Tips

Styrene emissions from the CIPP process are a concern when they exceed regulatory levels. NASSCO contracted with the Trenchless Technology Center at Louisiana Tech University (TTC) to delineate styrene levels at various parts of the CIPP process.

Rehab News

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Vortex AccuPower Designed to Remove Concrete, Heavy Debris, CIPP Lining Without Damaging Host Pipe  The Vortex Companies, a leading provider of advanced trenchless water and sewer technologies and infrastructure renewal services, introduced the new AccuPower High-Pressure Water Blaster.  Built upo..

Imerys Celebrates 30 Years of Sewpercoat in North America

Calcium aluminate has been used in sewer environments since the 1940s. Initially, the drivers were resistance to sulfates in soil, rapid return to service and superior abrasion resistance.  Over time, it became clear that Calcium Aluminate Concrete showed improved corrosion durability, even in the ..

Coating Materials Contribute to Rebuilding Wastewater Collection Systems

By Gerhard P. Muenchmeyer, P.E., Principal, Muenchmeyer Associates  As the aging underground, pipeline collection system continues to deteriorate, replacement and/or rehabilitation become major issues for municipalities, industrial/commercial complexes and other utility owners. The deterioration in..

Rehab News

New ASTM Standard for Cleaning Vitrified Clay Sanitary Sewer Pipelines  ASTM International has published C1920-21 Standard Practice for Cleaning of Vitrified Clay Sanitary Sewer Pipelines (C1920-21) – the first standard ever for cleaning municipal sanitary sewer lines.  Scheduled cleaning increase..

Innovative Solutions Address Challenges with Lower Berkeley WWTP Bypass

By Dwight Evans, Sunbelt Rentals To ensure their success, bypass projects require stakeholders to devise detailed solutions, while also planning for the unexpected. Making improvements to the aging infrastructure at the Lower Berkeley Wastewater Treatment Plant (WWTP) was no exception.  ..

Sewer Line Root Intrusion: Prevention and Removal

By Sean Comerford, Oatey Co. Root intrusion is one of the most damaging problems to discover in a sewer system. Roots thrive in sewer lines because they are well-ventilated and provide an excellent water source. While that’s great for plants and trees, it can have a devastating impact on a sewer sy..

Rehab News

PPG Unveils Complete Coating Solutions for Wastewater Operations  PPG significantly expanded its coatings offering for wastewater infrastructure, thanks to its recent acquisition of VERSAFLEX/Raven Lining Systems, “which are used throughout the water, wastewater and manhole rehabilitation industrie..

REHAB NEWS

New Cherne I-Series Test-Ball Plugs Deliver State-of-the-Art Solutions  The newly redesigned Cherne I-Series Test-Ball Plugs are the most innovative pneumatic plugs available for the underground/waterworks market.  Lightweight, short and flexible, these plugs deliver state-of-the-art solutions for..

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