RehabNews
IPEX expands trenchless offering with cost-efficient, large-size NovaForm PVC liner
NovaForm is a styrene-free, expand-in-place structural liner for rehabilitating trenchless sewer and stormwater culverts. This liner combines long-term strength with flexibility, allowing it to handle some of the most challenging installation conditions.
Rehab Technology selection guide
This comprehensive listing provides an invaluable resource in researching availability and specifications of key rehabilitation equipment/materials for the underground infrastructure industry.
Orinda rehab project uses eco-friendly geopolymer to restore aging culverts
Orinda used GeoTree Solutions’ GeoSpray 61 geopolymer mortar to rehabilitate aging culverts, protecting local streams and drinking water. The eco-friendly solution allowed for quick stream flow reinstatement with minimal environmental impact.
Tips for proper gas monitoring during manhole rehab
When it comes to manhole rehabilitaion, proper atmospheric testing and monitoring are essential to mitigate the risks to workers posed by toxic gases and hazardous atmospheres. Following these five best practices can help avert a needless tragedy.
Rehab spotlight: Lining systems
Discover leading solutions in sewer lining systems, including the Flow-120 Starter Package for compact spaces, the Bluelight LED CIPP system for faster curing, and MaxLiner's versatile CIPP technology. Explore the benefits of Reline America's thinner UV GRP liner and United Felts' top-tier CIPP liners and wet-out services.
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
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..
- Lynchburg, Va., breaks ground on largest-ever Blackwater CSO tunnel project
- Cadiz to reuse steel from terminated Keystone XL pipeline for California groundwater project
- Federal court halts permits for 32-mile Tennessee gas pipeline project
- CGA’s 2023 DIRT report shows fewer utility damages, urges action on locating delays
- New York secures $665 million for water infrastructure improvements
- New Portable Welding System From Miller
- Excavator Causes Puerto Rico Power Outage
- Hope Gas expands West Virginia reach with Consumers Gas Utility purchase
- Wisconsin proposes new PFAS drinking water standards to align with federal rules
- Dog River pipeline replacement in Oregon improves water supply with new HDPE pipe