Engineer’s Corner: Use of Arch Spreaders on Shoring Shields
Arch spreaders are used on shields for the specific purpose of raising the clearance from the underside of the shield spreader to the bottom of the excavation. Most often this is used for large-diameter pipe and box culvert installations. Typically, clearances can be raised from 5 ft to 8 ft with the use of an ... Read moreRead MoreSteel Plates Protect Indoor Arena Foundations
A sign company was awarded the installation of new scoreboards for a women’s basketball team on a large 12,000 seat indoor arena. The stadium had been built on cement foundations. The project required a…
Read MoreSlide Rail System Used for Storm Drain Upgrades
A Denver contractor installed a new storm drainage system that will improve water run-off control in the area. The project required a linear run of 108-ft, a width of 20-ft, and a depth of…
Read MoreSlide Rail System Used for Construction of Bridge Foundations
A South Carolina contractor was tasked to drive H-piles and pour new foundation footings that will support a new bridge on a busy interstate highway. The project would require a linear run of 32-ft…
Read MoreInstallation of Storm Drainage Lines Secured by a Slide Rail System
A construction company was awarded the installation of a double-barrel 66-inch storm drainage project on a high-in-traffic area composed of a recently rehabilitated interstate highway and existing crossroads. Once the project is finalized the…
Read MoreNational Trench Safety Announces Opening of New Seattle, Washington 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 MoreCantilever Beam and Plate Provides Support for the Construction for a New Exit Ramp
A Northwest Arkansas contractor recently constructed a mechanically stabilized earth wall which provided support for an exit ramp. The project required a linear run of 480-ft and a depth of 12-ft. The Competent Person…
Read MoreSite-Specific Engineered System Used for a Multi Pipe Casing Installation
A Northern Florida contractor was tasked to install three 24-inch and two 48-inch pipe casings via boring underneath an existing tunnel on the grounds of a prestigious Florida University. The project would require an…
Read MoreSlide Rail Provides Support for the Installation of a Sanitary Sewer Line
A Northern Denver contractor recently installed a 24-inch sanitary sewer line. The project required a linear run of more than 36-ft with a width of 16-ft and depth of 26-ft. The Competent Person on-site…
Read MoreSite-Specific Engineering for a Unique Pipe Casing Installation
A Northwest Florida contractor was tasked to install 180-lf of a 60-inch pipe casing via boring. The project required a linear run of 60-ft with a width of 20-ft and a depth of 16-ft…
Read MoreSlide Rail System Provides Necessary Support for Storm Sewer Installation
A Northern Virginia contractor was tasked with installing a 42-inch storm sewer line via boring. The project required a linear run of 24-ft, a width of 12-ft, and a depth of 22-ft in a…
Read MoreHydraulic Vertical Shores Used for the Installation of Water and Sewer Lines
A Northern Phoenix contractor recently completed the installation of water and sewer lines for a new housing development that will host 1,600 new homes. The project required a linear run of more than 4,000-ft,…
Read MoreNational Trench Safety Announces Key Organizational Promotions and Additions
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 key organizational promotions…
Read MoreEngineers Corner: A Closer Look at Site Specific Shoring Plans
Site-specific shoring plans originated in response to OSHA Subpart P-1926.652(c) (4) Option 4, Design by an Engineer. In the standard, OSHA states: 1926.652(c)(4)(i)- Support systems, shield systems, and other protective systems not utilizing Option…
Read MoreSlide Rail System Used for Waste Water Treatment Plant Upgrade
A South Carolina contractor performed the installation of several chemical junction boxes. The project required a linear run of 16-ft with a width of 16-ft and a depth of 12-ft. The Competent Person on-site…
Read MoreTrench Shields Provides Positive Shoring for the Installation of a new 24-inch Gas Pipeline
A Northern Texas contractor had been tasked to install a 24-inch natural gas pipeline and tying it into an existing line. The project required a linear run of 35-ft with a width of 12-ft…
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