Site-Specific Shoring for Sink Hole and Replacement of Storm Sewer Line
A Northwest California contractor had been tasked to replace a 96-inch storm drain which failed and created a sinkhole in a busy intersection. The project required a linear run of 133-ft with a width…
Read MoreSlide Rail System Provides Shoring For Sewer Infrastructure Upgrade
A South Carolina contractor was tasked with the construction of two, new cast-in-place structures to support existing and future sewer infrastructure. The new structures would be five-sided connecting to an existing 42-inch to a…
Read MoreEngineer’s Corner: The Major Entities Involved in Producing a Shoring System
ROLES AND RESPONSIBILITIES This article looks at the roles of major players involved in producing a shoring system, as well as their responsibilities. One way to do this is by looking at risk and…
Read MoreEngineer’s Corner: OSHA Soil Types and Their Impact on Shoring Systems
In almost all cases, a Competent Person must first classify soil in accordance with the OSHA Appendix A Soil Classification prior to selecting open-cut sloping or a manufacturer shoring system for a project. The…
Read MoreSlide Rail System Used to Provide Deep Manhole Installation for Pump Station Project.
A coastal, South Carolina contractor recently installed several manholes as part of a pump station improvement project. The excavation would require a linear run of 12-ft with a width of 16-ft and a depth…
Read MoreSlide Rail System Provides Necessary Soil Support for Manhole Installation in Roadway
A utility contractor recently completed the construction and installation of two new manholes between high-traffic roadways. The contractor estimated the excavation for the first manhole needed to be 16-ft long and 16-ft wide excavated…
Read MoreEngineer’s Corner: Trench Shield Inspection and Repair
It is well understood that the use of shoring equipment requires regular inspection and maintenance. Understanding how to inspect a shoring device, what needs to be focused on, and how to make practical decisions…
Read MoreSlide Rail System Provides Positive Shoring Alongside DOT Roadway
A contractor had been tasked with setting a new manhole inlet tying into an existing 60-inch storm drain, which would ultimately help regulate stormwater for toll roads. The excavation would require a 12-ft square…
Read MoreSlide Rail System Used For Campus Infrastructure Project
A contractor was extending a drainage tunnel as part of infrastructure support for a growing Texas university. The contractor would need to excavate 300 lineal feet to a depth of 12-ft and with a…
Read MoreEngineer’s Corner: National Trench Safety Develops a New Lecture Series
OSHA Subpart P was promulgated starting in 1970 when Federal OSHA was established and adopted it as a “National Consensus Standard” in 1989. At that point it became a law that employers had to…
Read MoreDavit Arm Solves Jobsite Safety Need
A Mid-Atlantic contractor was installing piping and pumps in a 30-ft deep wet well. The contractor needed a safe way to lower equipment into the wet well and allow the crew the tools to…
Read MoreSteel Sheeting Guide Frame System Provides Necessary Soil Support
A contractor was performing a stormwater infrastructure upgrade tying drainage into an existing manhole. The project would require a 16-ft long, 12-ft wide, and 14-ft deep excavation in a sand and clay mixture that…
Read MoreNational Trench Safety Announces Opening of New Fort Worth, Texas 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…
Read MoreEngineer’s Corner: Excavation Shoring Equipment Job Hazard Analysis
On June 19th through 24th, the National Utility Contractors Association (NUCA) will be sponsoring a Trench Safety Stand-Down to raise awareness and prevent accidents in excavation work. One of the major ideas behind a…
Read MoreSlide Rail System with Tie Back Provides Necessary Soil Support for Large Precast Tank Installation
A Southwest contractor was tasked with an underground installation project of a concrete cooling tank as part of a manufacturing company’s ongoing expansion efforts. The precast concrete cooling tank needed to be installed in…
Read MoreHydraulic Excavation Brace Saves Contractor Time and Money
A Central Florida contractor was performing one portion of a water expansion project that would require a bore beneath existing rail tracks. The contractor estimated the excavation would need to be about 40-ft long,…
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