Underground Construction

Lynchburg, Va., plans $100 million tunnel project to conquer sewer overflow and CSO compliance

(UI) — The $100 million tunnel project is anticipated to be built using a tunnel boring machine. It will boast a completed diameter of approximately 12 feet, extend 4,700 feet in length, and rest 80 feet below ground.

Recent underground power line explosions in San Francisco raise concerns, safety assurances remain

(UI) — A San Francisco neighborhood has experienced significant problems as a result of an underground explosion and subsequent fire for at least the second time in less than three months.

PG&E plans to move power lines underground along Highway 89 in California

(UI) — In the upcoming months, the Plumas County power lines on Highway 89 between Moccasin and Indian Falls will be relocated underground by the Pacific Gas and Electric Company (PG&E).

Cities prioritize water main replacement, neglecting buried lead pipes

Around the country, utilities have been leaving lead pipe in the ground even when it is easiest to remove during water main work. Worse, they have been removing sections, disturbing the pipe and leaving the rest, which can spike lead levels, causing harm that will last a lifetime, an investigation by The Associated Press has found.

Wellington City Council adopts digital map for underground infrastructure management

(UI) — The Wellington Underground Asset Map, backed by a $4 million investment, aims to revolutionize the installation and maintenance of buried infrastructure, including telecommunications cables, gas pipes, and other vital services.

VINCI Construction and GRDF enhance underground utility mapping with Exodigo

(UI) — Through VINCI's innovation platform, Leonard, the two companies partnered to demonstrate the accuracy and potential of Exodigo's AI-based solution for identifying and mapping underground utilities, Exodigo identified 57% more utility lines than shown on existing records.

San Rafael secures PG&E funding for Canal Area underground utilities upgrade

(UI) — To facilitate the project's progression, the San Rafael City Council has unanimously approved the establishment of an underground utility district for the designated area. This strategic move enables the city to leverage funding provided by Pacific Gas & Electric Co.

Biden-Harris administration awards $930 million for middle-mile infrastructure

(UC) — The Department of Commerce’s National Telecommunications and Information Administration has announced over $930 million to expand middle mile high-speed Internet infrastructure across 35 states and Puerto Rico.

Engineering group recognizes sewer project in Long Island’s Westhampton Beach

(UI) — The American Society of Civil Engineers presented the Village of Westhampton Beach with the 2023 ASCE Long Island Branch Quality of Life Award for its sewer infrastructure project, aimed at removing 5,000 pounds of nitrogen annually from Moniebogue Bay.

DOE makes progress on new ventilation shaft at US’ only underground nuclear repository

Ventilation at the Waste Isolation Pilot Plant has been an issue since 2014, when a radiation release contaminated parts of the underground facility and forced an expensive, nearly three-year closure.

Liberty VI continues fiber network construction work in St. Croix, St. Thomas

(UI) — The ongoing work will employ various underground technologies to mitigate roadway disruptions, such as utilizing a micro-trenching technique that minimizes pavement breakage and dust emission by producing a minimal cut and using existing ducts whenever feasible.

Despite challenges, HDD market continues impressive growth

(UI) — The 25th Annual Underground Infrastructure HDD Survey provides insight into the complex, yet generally lucrative, world of directional boring. Indeed, HDD is a technology that continues to expand to even further heights. It has clearly demonstrated how the introduction and development of this disruptive technology forever changed the face of utility and pipeline construction.

B&B Underground and Drilling tackles reclaimed water project

(UI) — While many HDD companies perform strictly small-diameter fiber work, those focused on larger water and sewer utility work are specialty companies. Building a team for the task can be more challenging, too. That’s why B&B Underground and Drilling emphasizes the importance of training.

Editor’s Log: A fiber road paved by HDD

(UI) — By the late ‘90s, fiber backbone construction was marching across the land like Sherman to Atlanta. It was the early version of cryptocurrency – every investor was going to become a multi-millionaire overnight. The market for directional drills hit unprecedented – and unrealistic – highs. HDD was the perfect technology to aid the expansion of fiber installation, along with trenching and plowing. It was the telecom version of the early 1980s oil boom.

Jacobs wraps up underground infrastructure for US wave energy test facility offshore Oregon

(UI) — All the conduits for this project were installed using horizontal directional drilling (HDD) techniques. The HDD technique was chosen because it didn't harm delicate wetlands and seashore regions and because it allowed the job to be done all year round, according to Jacobs.

Springfield's aging sewer system in Doling Park-Pea Ridge Creek set for major replacement work

(UI) — In order to accommodate anticipated expansion and development in the region, the major objectives of the work are to decrease the frequency of sewer overflows that result in pollution and enhance the size and capacity of underground sewer pipes to the 1,200 miles of pipe and over 28,000 manholes across the city.

Drought, water overuse prompt Arizona to limit construction in some fast-growing parts of Phoenix

Arizona will not approve new housing construction on the fast-growing edges of metro Phoenix that rely on groundwater thanks to years of overuse and a multi-decade drought that is sapping its water supply.

Innovative underground lab paves the way for human survival trials on Moon and Mars

(UI) — In order to study how scientific and medical procedures will go in difficult extraterrestrial circumstances, scientists converted deep tunnels 1.1 km beneath the countryside into an underground lab.

McCarthy tackles underground obstacles to deliver innovative structures for Houston hospital

(UI) — McCarthy took on a significant logistical task as part of the project to extend a water main 2,500 feet across the property while managing existing underground utilities. McCarthy employed a completely BIM-coordinated MEP system on the technical front and used McCarthy Mapping to locate underground utilities.

California water officials to replace 500 feet of sewer pipe in San Juan Capistrano

(UI) — From June 5 to 18, the Santa Margarita Water District will repair 500 feet of sewer pipes on Los Rios Street as part of San Juan Capistrano's sewer upgrade plans.

Trenchless methods: Trenchers remain valuable for utility construction

(UI) — In the 1970s, new residential developments were being built with all utilities underground. Of course, water, sewer, and gas lines always had been buried, but now telephone and electric dissertation wires were, too, as would cable television services that would come later.

Harbor Peak breaks ground on seven-mile fiber optic conduit system in Ashburn, Va.

(UI) — The underground infrastructure system will enable lateral connections into the many data centers surrounding the conduit system, and interconnect to Harbor Link’s 60-mile conduit build along I-95 to Washington D.C. and Baltimore, Maryland, totaling approximately 300 route miles between the networks.

Virginia piloting underground technology to assist in locating parking spots

(UI) — The three-year pilot project aims to improve the user experience for metered parking spaces in two key commercial-residential corridors in Arlington, Va. The pilot will use underground sensors to provide real-time occupancy information for each of the parking spaces included in the project area.

ProStar expands with acquisition of underground locating technology PointMan

(UI) — ProStar Holdings Inc., a provider of precision mapping solutions, announced that it has expanded its footprint in Australia with the adoption of PointMan by Provac. Provac Australia Pty. Ltd. provides unparalleled reliability and trusted services in both underground utility locating and non-destructive vacuum digging.

Tech Tips: Locating underground assets

(UI) — As municipalities and other agencies embrace the concept of asset management for their underground infrastructure, locating and identifying those assets become more important. In the past, the options for locating and identifying underground assets were a challenge.

NextEra Energy subsidiary FPL starts moving power underground in Coral Gables, Fla.

(UI) — More than 100 city officials and employees of Florida Power & Light Company (FPL) gathered in a neighborhood in Coral Gables, Fla., to officially start a long-awaited project: the undergrounding of electricity lines in the area as part of FPL's Storm Safe Underground Program.

Ditch Witch unveils largest all-terrain direction drill to optimize underground construction productivity

The AT120 gives operators the power and stability needed for efficient fiber, pipeline and utility installation through hard rock.

Registration open for 17th ASCE UESI/BAMI-I Utility Investigation School

(UI) — The Buried Asset Management Institute – International (BAMI-I) and ASCE’S Utility Engineering and Surveying Institute (UESI) Pittsburgh chapter have teamed to conduct the 17th ASCE UESI/BAMI-I UIS School in 2023.

PG&E curtails plan to bury over 3,500 miles of power lines in effort to reduce wildfires

(UI) — In order to reduce the risk of wildfires in the western United States, California-based electric utility and natural gas supplier PG&E Inc. has scaled back its plans to lay over 3,600 miles of power lines underground through 2026. Beginning in June, PG&E will be tried for manslaughter in connection with fire fatalities allegedly resulting from its overhead power lines, which were blamed for the deadliest wildfire in California history in 2018.

26th Annual Municipal Sewer/Water Infrastructure Forecast & Market Analysis

(UI) — To say 2022 was an eventful year for the underground infrastructure industry would be an incredible understatement. The billions in federal monies being pumped – finally – into the nation’s infrastructure was game-changing for many cities.