News

Engineer’s Corner: Innovation in the Shoring Industry

It starts with what’s perceived as a great idea to accomplish things better, faster and or safer. It always seems like a no brainer to adopt great ideas and improve how things are done…

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Site Specific Pit System Utilized with NTS Work Zone Safety System

The contractor was upgrading the stormwater infrastructure for a Northern Virginia city. The contractor would be blasting the site to help prepare an excavation for a bore pit of approximately 40-ft long by 16-wide…

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Cantilevered Beam and Plate System Used Along Railroad

A contractor had been engaged to upgrade a water and sewer infrastructure bordering a railroad in South Texas. This particular phase of the project required boring beneath a railroad to install a twin 84-in…

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Engineer’s Corner: Reading Soils Reports and Bore Logs from a Contractor’s Perspective

On practically every construction project involving soil, whether excavating, moving or building atop, there is usually a geotechnical investigation. The report is financed and commissioned by the owner and project design engineer for the…

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Trench Shields Designed for Custom Pit Applications at Large Airport

A contractor was pouring piers and structural foundations for an airport passenger transportation system at a Gulf Coast airport.  The contractor had classified the soil type as sandy C-60 soil.  The contractor would be…

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Slide Rail System Conquers Water and Alligators

A contractor was tasked with upgrading an existing gate valve and upsizing the existing 18-inch drain to a 36-inch drainpipe. The project required a system that could hold back  4 to 6-ft of water…

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Engineer’s Corner: The Shoring System Selection Process

Excavation support and shoring decisions can be complicated. The amount of soil conditions and variables that go into defining the problem and the shoring system alternatives to choose from can be overwhelming.  The results…

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Steel Sheeting Frame System Utilized on a Wastewater Treatment Plant Project

A Gulf Coast Florida water treatment plan was undergoing construction to increase its capacity. As part of the project, the utility contractor would be drilling shaft foundation piers as part of a poured-in-place lift…

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Portable Bridge Provides Necessary Solution for Site Development Contractor

A Northern Virginia site development contractor had been engaged to clear a site located across a creek.  The area didn’t have the means to access the site other than crossing the creek, which the…

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Engineer’s Corner: Temporary Bridges Used for Worker Access in Excavation Work

Excavation work presents several situations where temporary access bridges can be necessary. One common example is a pipeline excavation utilizing shoring shields combined with sloping, which will require a bridge to provide worker access from the un-sloped surface…

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NUCA White Paper: OSHA’s Crystalline Silica Rule

The following report was developed and written by the National Utility Contractors Association (NUCA) and is being published under NUCA’s express permission. If you would like to learn more about NUCA or this report…

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Contractor Utilizes Vertical Shores and Trench Shields for Water And Sewer Line Replacement

A well-known contractor in South Las Vegas performed a water and sewer replacement. The job required the replacement of 12-inch to 18-inch water and sewer lines, demolition of old existing sewer, and decommission of…

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Linear Slide Rail Provides Soil Protection for Industrial Drainage Project

The contractor was engaged to participate in the expansion of an industrial facility along the Gulf Coast. For this particular phase, the contractor would be laying a triple barrel box culvert that would be…

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National Trench Safety Announces Opening of New Tucson, Arizona Operation

HOUSTON, T.X.—National Trench Safety, LLC (NTS), a Houston-based company specializing in the rental and sales of trench and traffic safety equipment, trench and traffic safety engineering, and OSHA-compliant training classes, announced today the opening…

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NUCA: National Trench and Safety Stand Down

The National Utility Contractors Association (NUCA) is promoting a National Trench and Excavation Stand Down to raise awareness of the dangers in excavation work to prevent injuries and death related to these hazards.  As…

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Engineer’s Corner: Fundamentals of Construction Cost Estimating

At National Trench Safety we are in the process of developing useful shoring cost estimating information for construction managers and estimators. In the process, I am developing a series of articles about the estimating…

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