Spiral Wound Liners and the Pipe Rehabilitation Industry
October 2018 Vol. 73 No. 10
October 2018 NASSCO Tech Tips – download pdf
Rehabilitation
Perma-Liner Launches State-of-the-Art Lining System
October 2018 Vol. 73 No. 10
Perma-Liner Industries LLC, a leading manufacturer and supplier of trenchless pipeline rehabilitation equipment and materials in North America, introduced its new vertical connection pipe lining system. This latest technology changes the way contractors and companies…
Cleaning, Preparation for Water Main Lining Rehabilitation
October 2018 Vol. 73 No. 10
Second in a 3-Part Series EDITOR’S NOTE: This is the second of a three-part series on pressure pipe presented by the NASSCO Pressure Pipe Committee. There will be an in-depth program track on these topics…
GeoKrete Earns ‘Reduced Carbon Footprint’ Certification
October 2018 Vol. 73 No. 10
Quadex LLC received “Reduced Carbon Footprint” Certification by SCS Global Services, an internationally recognized sustainability certification body. The honor was awarded to Quadex’s GeoKrete geopolymer mortar for its lower overall carbon footprint – 51 to…
Using Risk to Drive Pipeline Integrity Programs
September 2018 Vol. 73 No. 9
Jennifer Steffens, P.E. | NASSCO Pressure Pipe Committee The management of critical infrastructure is a major challenge for water and wastewater utilities as populations increase, available resources decrease, and pipelines need to be maintained, since…
Perma-Liner Launches High-Performance Vinyl Ester for CIPP Repairs
August 2018 Vol. 73 No. 8
Perma-Liner Industries, LLC, a leading manufacturer and supplier of trenchless pipeline rehabilitation equipment and materials for North America, introduced a new, high-performance epoxy vinyl ester resin. This vinyl ester product is Bisphenol-A Epoxy-based resin dissolved…
NASSCO Awards TTC Project to Measure Styrene, Compounds in CIPP
August 2018 Vol. 73 No. 8
After a careful and thorough review of multiple responses to a request for proposals regarding cured-in-place pipe (CIPP), NASSCO accepted the proposal from the Trenchless Technology Center at Louisiana Tech University. The project will include…
CUIRE to Develop Design, Installation Guides for Pipe-in Liner Product
August 2018 Vol. 73 No. 8
CUIRE is a research, education and outreach organization and part of the University of Texas at Arlington’s (UTA) Department of Civil Engineering. Since its inception in 2002, CUIRE has focused on assembling exceptional and broad-reaching…
Update on Structural Design Methodology for Spray Applied Pipe Liners
August 2018 Vol. 73 No. 8
To reduce emergency projects and impacts to the traveling public, departments of transportation (DOTs) can use spray-applied pipe linings (SAPLs) to renew deteriorated gravity stormwater conveyance conduits and culverts, provided they are discovered prior to…
CUIRE Leads Research Team for Phase I of NASSCO CIPP Study
August 2018 Vol. 73 No. 8
A four-month study on the review of published literature pertaining to chemical emissions of styrene-based resin used in the cured-in-place pipe (CIPP) process, found that existing studies do not adequately capture worker exposures or levels…