Undergrounding
Ditch Witch West sells first Bulldog trencher to speed up undergrounding work along West Coast
Ditch Witch West has sold its first Bulldog trencher, designed by UK manufacturer Mastenbroek, to Cox and Cox Construction, a full-service underground utility contractor licensed in California and Nevada. Mastenbroek designed the Bulldog for underground utility installation, particularly in areas where overhead electrical cables could cause or be destroyed by forest fires.
Griffolyn pre-liners improve reliability in trenchless pipe lining
Griffolyn reinforced pre-liners offer added protection and reliability during CIPP trenchless pipe rehabilitation, helping prevent resin washout, liner buckling, and installation delays in water and sewer infrastructure projects.
California fast-tracks underground utility rebuild after Los Angeles fires
Governor Gavin Newsom has signed an executive order to accelerate the rebuilding of critical underground utility systems in fire-damaged areas of Los Angeles County, including Altadena, Malibu, and Pacific Palisades.
MTA advances $7.7 billion East Harlem subway tunnel project with $186 million oversight contract
The MTA has approved a $186.6 million contract with AECOM-HNTB to oversee tunneling and systems work for Phase 2 of the Second Avenue Subway extension, advancing one of New York’s largest underground infrastructure projects into East Harlem.
Los Alamos, N.M., hit by second network outage after fiber line breaks during construction
For the second time in a week, Los Alamos, N.M., experienced a network outage on March 17 after construction crews accidentally severed fiber lines along NM-4.
Worm-like robot burrows underground to cut power line installation costs
The innovation, known as a "peristaltic conduit," mimics the segmented movement of earthworms to propel itself through the soil with minimal disruption to existing infrastructure.
Fairfield, Conn., to begin $31 million East Trunk sewer line replacement in May
A long-planned replacement of the East Trunk sewer line is set to begin in May 2025, with construction expected to last about 18 months. The project will replace aging sewer infrastructure to improve wastewater system reliability, reduce maintenance costs, and prevent future disruptions.
JCP&L begins work to install 2,000 ft of underground electrical lines in northern N.J.
Jersey Central Power & Light (JCP&L), a subsidiary of FirstEnergy Corp., has begun construction on a year-long project to upgrade overhead and install new underground electric service in portions of Sussex County. The $5.1 million project is expected to be completed in November.
Williams Cos. highlights underground infrastructure’s role in surging natural gas demand at UIC 2025
At the Underground Infrastructure Conference on March 5, Glenn Koch, Vice President-Project Execution at Williams Co., addressed the growing demand for natural gas and the role underground infrastructure will play in meeting energy needs.
Williams highlights infrastructure’s role in surging gas demand at UIC 2025
At UIC 2025, Williams Co. VP Glenn Koch outlined how underground infrastructure and natural gas storage are critical to meeting surging U.S. energy demand, driven by data centers and peak-day power needs.
Two workers killed in Maryland trench collapse during home renovation
Two construction workers were killed on Feb. 28 after a trench collapsed while they were working on a home renovation project in Catonsville, Maryland, fire officials confirmed.
Cadiz taps Stantec to lead engineering for $800 million Mojave Groundwater Bank
Once completed, the project will provide 2.5 million acre-feet of new water supply and 1 million acre-feet of underground storage. A 350-mile pipeline network will connect the system to the Colorado River and California Aqueducts, making it the largest new water infrastructure project in the Southwest.
Turning awareness into action: 811 call centers
Despite widespread awareness of 811 requirements, damage to underground utilities remains high. This article urges contractors to consistently use state OneCall centers and provides a full directory for safe digging compliance.
Work progresses on $66 million upgrade to San Diego’s first aqueduct
The San Diego County Water Authority has reached the halfway point on a $66 million project to extend the life of the historic First Aqueduct and maintain reliable water delivery across the region.
Sewer upgrade to begin under Nautical Mile in St. Clair Shores, Mich.
The project will involve the installation of a new sewer line beneath Jefferson Avenue, aiming to reduce sewer discharges into Lake St. Clair.
Smelly Mel’s, Sewer Rat Plumbing fined nearly $530,000 after San Mateo, Calif., trench collapse
California workplace safety regulators have fined Smelly Mel’s Plumbing and Sewer Rat Plumbing a combined $529,640 for safety violations linked to a trench collapse that seriously injured a construction worker in San Mateo on Aug. 1, 2024.
Newsom announces key permit for Delta Conveyance Project, boosting water infrastructure
The Delta Conveyance Project, aimed at upgrading the State Water Project, has received an essential Incidental Take Permit, a necessary approval to move forward with the initiative.
Vortex launches water division to tackle aging infrastructure
Vortex Companies has launched Vortex Water, a new division focused on water infrastructure rehabilitation. The move expands the company's trenchless solutions beyond sewer and industrial systems to address aging water pipelines with advanced materials, liners, and trenchless technologies.
Fiber broadband deployment costs stabilizing, report finds
The Fiber Broadband Association’s latest Fiber Deployment Cost Annual Report, conducted by Cartesian, shows that broadband service providers expect fiber deployment costs to remain steady or rise slightly—less than 10%—compared to 2024. This marks an improvement from the previous year’s study, which reported steeper cost increases.
Eversource breaks ground on nation’s largest underground electrical substation in Cambridge, Mass.
Eversource has begun construction on the nation’s largest underground electrical substation in Cambridge, Mass. The 35,000-square-foot facility, located 105 feet below a new public green space, will help meet growing electricity demand and upgrade grid reliability.
Special tracks, training & competition headline UIC 2025
We are gearing up for Underground Infrastructure magazine’s 30th Underground Infrastructure Conference (UIC), March 4-6 in Houston. Attend UIC and be part of a transformative event designed to inspire, educate, and connect infrastructure professions across the industry. From groundbreaking sessions to exclusive networking opportunities, this year’s conference promises an unforgettable experience for everyone involved.
Smuggling tunnel equipped with ventilation discovered in El Paso storm drain system
U.S. Border Patrol agents, in collaboration with Homeland Security Investigations (HSI), uncovered a sophisticated man-made tunnel on Jan. 9 that connected Ciudad Juárez, Mexico, to the El Paso storm drain system.
Excavation begins for Ontario Line’s first downtown subway tunnels
Excavation has started near Exhibition Station for the Ontario Line’s tunnel boring machine (TBM) launch site. This 16-meter-deep shaft will mark the starting point for two TBMs that will create twin tunnels spanning approximately six kilometers—the first downtown subway tunnel project in Toronto in over 60 years.
Gigapower’s Arizona fiber rollout linked to infrastructure damage, CWA report says
In Mesa, Arizona, where Gigapower began fiber deployment in early 2023, subcontractors have reportedly caused over 40 underground utility hits, including damages to electric, gas, water, and telecommunications lines, totaling more than $135,000 in repairs.
HDD Reunion, Hall of Fame Class of ’25 announced
Underground Infrastructure magazine and the Horizontal Directional Drilling Association, in conjunction with the HDD Reunion Organization, are proud to announce the HDD Hall of Fame Class of 2025. The honorees will be inducted during the HDD Reunion on Wednesday, March 5.
$50 million investment in Mojave groundwater project in California expands 30 million acre-feet storage
(UI) — Cadiz Inc. and the Lytton Rancheria of California have signed a Letter of Intent for Lytton to invest up to $50 million in the company's groundwater banking project in the Mojave Desert.
PG&E buries over 800 miles of powerlines in high wildfire-risk areas
(UI) — Pacific Gas and Electric Company (PG&E) has undergrounded more than 800 miles of powerlines since launching its wildfire safety initiative in 2021.
CGA report underscores progress, challenges of buried utilities damage prevention
The Common Ground Alliance (CGA), the national nonprofit trade association dedicated to protecting underground utility lines, people who dig near them and their communities, recently published its 2023 Damage Information Reporting Tool (DIRT) Report.
CGA opens registration for 25th annual conference in Orlando, Florida
The conference will bring together industry leaders to reflect on CGA’s quarter-century legacy and explore future innovations in damage prevention.
Worker deaths decline amid OSHA crackdown on high-risk trench and fall hazards
According to preliminary data, fatalities in key high-risk areas like trench collapses and falls, which are among the leading causes of death for construction workers, have notably declined.
- Intrepid Fiber breaks ground on fiber optic network in Superior, Colo.
- Excavator collides with I-95 overpass in Henrico, Va., causing multi-vehicle crash
- Shrewsbury, Mass., expands sewer inspections and cleaning efforts
- Construction worker killed in trench collapse near Prosperity, S.C.
- Two workers rescued after hours trapped in Mich. trench collapse
- Texas contractor penalized by OSHA for repeated trench safety violations
- Final construction phase kicks off for Indianapolis deep rock tunnel
- WES tunnel boring machine retrieved from Oregon river after seven-month project
- Illinois overhauls Peoples Gas pipeline program, mandates focus on high-risk pipes
- Ameren Illinois to invest $140 million in natural gas pipeline replacement program