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  1. Home
  2. Articles by: Contributing Author

Author Archives for Michael Guest and Jason Davidson

Articles by Michael Guest and Jason Davidson

Manhole Rehab Sunnyvale, California Manhole Rehab
NASSCO Report – Manhole Best Practices in Sunnyvale, California

Ten years ago, the City of Sunnyvale, California, faced a severe issue when a manhole was seriously compromised by H2S g...

August 21, 2024
Product Showcase Hardrock HDDP 600x300
Stuck In the Face of Hard Rock: The ROCKWYRM Air...

When drillers face hard rock, having the right tooling makes all the difference. Recently, a crew in Lawrenceville, GA s...

August 5, 2024
Horizontal Directional Drilling Vacuum Excavation Ditch Witch 1200x800
Safeguarding HDD Projects Through Vacuum Excavation Best Practices

As HDD projects become more prevalent for installing utilities in congested urban areas, vacuum excavation plays a cruci...

August 1, 2024
Horizontal Directional Drilling
Know Your HDD Solids Content

Different Non-soluable Solids Impact Directional Drilling Fluid Differently The fundamental rule for trenchless excavati...

July 30, 2024
Vacuum Excavation Vermeer Vacuum Excavators 1200x800
Tech Forum – Daily Safety & Maintenance Tips for Vacuum...

Vacuum excavators have earned the reputation of being a safe alternative to traditional methods of exposing buried utili...

July 26, 2024
Horizontal Directional Drilling G&W Construction Ditch Witch 1200x800
New Directional Drill Helps G&W Construction Efficiently Complete its Bore

At 8 p.m., Chase Alderman rolls over to turn off his phone alarm and start his day. While many are turning in for the ni...

July 25, 2024
Grouting NASSCO Grout Rig 1200x800
NASSCO Report – Infiltration Control Grouting Committee: Education and Beyond

The term municipal grouting has come to be known as a proven and reliable technique using injection grouts to stop infil...

July 24, 2024
Last Word mike-vellano-1200x800
Last Word – Lives Transformed Through Water: Bringing Infrastructure to...

Thanks to the combined efforts of World Vision, Vortex Companies, and Worldwide Power Products LLC; Florida, Honduras ha...

July 11, 2024
General No-Dig Win for Giraffes 1200x800
PWSA’s Trenchless Success Drives Reliability Mission

Pittsburgh Water and Sewer Authority (PWSA) is using state-of-the-art renewal systems to upgrade its existing water syst...

July 9, 2024
Features NASTT 2024 No Dig Show Recap
The Northeast Shows Up for No-Dig 2024

The NASTT 2024 No-Dig Show technical sessions and exhibit hall were bustling with activity April 15-17....

July 8, 2024
Grouting
Injection Grouting a Wet Well in the Bahamas a Money-Saving...

Prior to injection grouting, it's estimated the infiltration leak in this one wet well was costing the utility around $2...

June 27, 2024
Subsurface Utility Engineering SUE in Texas
SUE Keeps Broadband Connectivity Safe

SUE stands at the forefront of modern infrastructure development....

June 21, 2024
Pipe Relining Murphy Pipeline HDPE Salt Lake City
Salt Lake City Future-Proofs Its Large Diameter Water Mains

The Upper Conduit water main traverses from the Terminal Reservoir to the Baskin Reservoir and transmits potable water t...

June 20, 2024
Features Large Diameter Pressure Pipe 1200x800
Blazing the Trail of Large Diameter Pressure Pipe Rehabilitation in...

When rehabilitating a pressure pipe with an FFRP liner is feasible, one is hard-pressed to find a more effective solutio...

June 18, 2024
Pipe Relining The shape of the existing line will affect the possible rehabilitation techniques. Fiberglass liners can provide a hydraulic and structural advantage.
Sliplining Considerations – from Curves to Coefficients

Each slipline project is unique and analysis of the existing line along with consideration of the future needs can guide...

June 14, 2024
Tech Forum
Tech Forum – Protecting Construction Workers from Melanoma Cancer

Construction workers have an increased risk of melanoma cancer, and cases are estimated to double by 2060, unless preven...

June 13, 2024
Canada repaired joint leak
How Proactive Pipeline Management Improves Outcomes for Two Alberta Communities

The cities of Calgary and Airdrie partnered to inspect the jointly owned Airdrie Feeder Main...

June 10, 2024
Canada Retrogressive rotational translational landslide complex along South Saskatchewan River Valley in Southern Alberta, Canada.
Assessing the Difficulties Associated with Slope Drills and Navigating the...

Slope drills have become a more common feat for HDD projects to overcome...

June 7, 2024
Canada Markervac hydrovac excavator
King of the Road – MarkerVac Celebrates 25 Years of...

A long-standing fixture on the Central Ontario trenchless landscape, MarkerVac Inc. recently surpassed the landmark mile...

June 6, 2024
Canada Renny the Erlington Crosstown West TBM
Managing Muck on the Eglinton Crosstown West LRT Project

By solidifying waste at the site, MetaFLO can help reduce the carbon footprint of a massive project like the Eglinton Cr...

June 5, 2024
Trenchless Technology Survey No. 1
Trenchless Technology Survey No. 1

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