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Grid Issues 1: The Locator – Point in Time, Points on the Grid

point-in-time-image2

By   64 days ago

This is an edited version of the article from the print edition of Grid Series Part 1: The Locator. To subscribe and get your copy, click here. Assume at a certain point in time, every newly-installed underground line is surveyed with precision X, Y and Z coordinates. Further assume that this information was coupled with […]

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Grid Issues 1: The Locator – Reading the Street

read-the-street-image2

By   64 days ago

This is an edited version of the article from the print edition of Grid Series Part 1: The Locator. To subscribe and get your copy, click here. Trenches in existing pavement or blacktop are easy to recognize and are a surefire clue that a utility exists underneath. But reading the street based on excavation scars […]

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Grid Series 1: The Locator – The Job

thejob-featured

By   64 days ago

This is an edited version of the article from the print edition of Grid Series Part 1: The Locator. To subscribe and get your copy, click here. A cellular phone antenna situated atop a water tower lost its electric feed when a boring crew struck an electric line on the pullback while installing a new […]

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Grid Series 1: The Locator – Paid to Map

PaidtoMap-2

By   64 days ago

This is an edited version of the article from the print edition of Grid Series Part 1: The Locator. To subscribe and get your copy, click here. Customers of private locating firms seek more underground utility location information than what is provided by one-call locators, who only mark public utilities. A private locating customer may […]

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Grid Series 1: The Locator – Paid to Paint

Paid-to-Paint-featured

By   64 days ago

This is an edited version of the article from the print edition of Grid Series Part 1: The Locator. To subscribe and get your copy, click here. Every one-call locator is paid to paint, not paid to map. After notifying 811, the professional excavator—the one-call “customer”— expects nothing more than a painted job site denoting […]

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Digging Dangers Series 2: 14,000,000

minneapolis-flood

By   155 days ago

This is an edited version of the article from the print edition of The Digging Dangers Series Part 2. To subscribe and get your copy, click here. Fourteen million gallons of water gushed onto the streets of Minneapolis after a private subcontractor broke a city water main. The contractor was working at a downtown construction […]

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Digging Dangers Series 2: Under Control?

oklahoma-google-map

By   155 days ago

This is an edited version of the article from the print edition of The Digging Dangers Series Part 2. To subscribe and get your copy, click here. The plan was for a new fiber optic cable to be bored in alongside a two-inch plastic gas main that had been installed in 1972. An 811 call […]

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Digging Dangers Series 2: Sixty Feet from Disaster

lewisville-auger

By   155 days ago

This is an edited version of the article from the print edition of The Digging Dangers Series Part 2. To subscribe and get your copy, click here. A power company crew was drilling a hole for a new pole on January 11, 2013. At 10:10 a.m their auger punctured a four-inch plastic natural gas distribution […]

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AX Files - Gas View All →

School staff evacuated after backhoe strikes nearby gas line

Gas Explodes House

By   85 days ago

August 1, 2014 – Princeton, NJ A backhoe operator struck a gas main at a local elementary school while digging a drain. Ten staff members were evacuated for safety, but traffic in the area was uninterrupted. Local gas personnel arrived to the scene and shut off the gas main. The area was cleared just after […]

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Gas main rupture spews natural gas two stories high

Gas Explodes House

By   85 days ago

August 1, 2014 – Houston, TX Just before noon, construction crews struck a 4-inch steel gas line with a backhoe. High-pressure natural gas began spewing two stories high, and nearly knocked out the crewmember operating the backhoe. Many apartment residents nearby were partially evacuated at 12:05 p.m., and others were required to shelter in place. […]

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Medical centers evacuated during gas leak

Gas Explodes House

By   86 days ago

July 31, 2014 – Fort Wayne, IN Construction crews struck a gas line at 8 a.m. Two medical centers nearby evacuated eighty-two staff and patients from the premises as a precaution. The fire department was first alerted about the incident by the smell of natural gas in the area. Around 10:30 a.m. the leak was […]

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Six businesses evacuate during nearby gas leak

Gas Explodes House

By   87 days ago

July 30, 2014 – Chattanooga, TN Six businesses were evacuated after a construction worker severed a two-inch natural gas line. The local fire department was alerted at 10:32 a.m., and when they arrived on scene they ordered the evacuation. The police closed nearby streets. Local gas company personnel arrived and used a jackhammer and then […]

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Fence installer hits gas main

Gas Explodes House

By   88 days ago

July 29, 2013 – Mehlville, MO A contractor installing a fence struck a 2-inch underground gas main while digging, disrupting service to about 10 gas customers. No evacuations were ordered, but gas was turned off for the area, and a nearby road was closed for two blocks.

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Gas line hit despite locate marks

Gas Explodes House

By   88 days ago

July 29, 2014 – San Mateo, CA A construction crew hit a 1.25-inch plastic gas line with an excavator. The leak prompted the evacuation of about 20 people from the area. The local gas company arrived and sealed the leak within 30 minutes, and the evacuation order was lifted. There were markings showing the location […]

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Landscapers sever gas line, eight homes evacuated

Gas Explodes House

By   88 days ago

July 29, 2014 – Stittsville, Ontario, Canada Landscapers severed an underground gas line just after 1 p.m. As a precaution the local fire department evacuated eight homes in the area. The surrounding street was also closed until the leak could be located and repaired.

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Investigation looks at gas line damage after home explodes

Gas Explodes House

By   88 days ago

July 29, 2014 – Barnesville, ND A Barnesville home was heavily damaged after a propane line exploded. Fortunately the woman who lived there was not home at the time. Construction workers admitted that they pinched the propane line while installing fiber-optic cable in the ground around the home. An investigation continues to look at whether […]

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AX Files - Other View All →

School construction damages fiber optic cables

Gas Explodes House

By   82 days ago

August 4, 2014 – Walnut Hill, FL A contractor working on a school construction site cut a fiber optic cable. This accident caused surrounding residents to lose phone service. Other high-speed Internet customers lost service for part of the day. 911 calls from landlines were not routing properly, although cell phones continued to work fine. […]

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Internet and TV outage lasts 10 hours

Gas Explodes House

By   85 days ago

August 1, 2014 – Cleveland, MS Workers severed a fiber cable, knocking out service to approximately 7,800 cable customers. Cable technicians had to find where the cable was severed, and then began repairing each individual fiber connection. Customers were without Internet and local television service for about 10 hours.

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Foreman jailed after damaging water main, roadway

Gas Explodes House

By   89 days ago

July 28, 2014 – Grove, East Bank Demerara, Guyana A construction crew broke a water main and left many residents without water for several hours. The crew was working in the area when their excavator became stuck in the mud. After attempts to pull out the equipment failed, the foreman allegedly ordered the men to […]

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Construction plow severs communications

Gas Explodes House

By   96 days ago

July 21, 2014 – Kanabec County, MN A construction vehicle plowed through a fiber optic cable, cutting service phone and Internet service to the major portion of the county. Service was out for over eight hours. It took several hours just to find where the cable had been cut. Once the location of the severed […]

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High-end Downtown Stores Flooded

Gas Explodes House

By   105 days ago

July 12th, 2014 – San Francisco, CA Overnight digging crews, working on the Central Subway tunnel, punctured an 8-inch water pipe, sending thousands of gallons of water into San Francisco’s Union Square. The streets were flooded as well as many of the high-end stores in the area including Neiman, Marcus, Bvlgari, and Chanel. The leak […]

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Communication cable cut by construction crew

Gas Explodes House

By   120 days ago

June 27, 2014
A third-party construction crew cut a local communication cable. Several hundred customers lost service and repairs were predicted to take a long time due to the size of the distribution cable.

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Over a thousand customers lose power after line is cut

Gas Explodes House

By   124 days ago

June 23, 2014 – North Fargo, ND A contractor working along the road dug into an underground cable causing the blackout. More than a thousand customers lost power in North Fargo from the accident, including the state campus.

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Ruptured 36-inch water main becomes raging river

Gas Explodes House

By   140 days ago

June 7, 2014 – Philadelphia, PA Crews ruptured a 36-inch water main while attempting repairs to the main. The rupture caused a cavernous hole in the road, forcing the closure of the road. Residents compared the leak to a ‘raging river’, and there was a crowd of people who came to see the destruction and [...]

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