National Trench Safety

Over the years the City of Denver has seen tremendous traffic growth resulting in a negative impact for daily commuters.  As a result, new infrastructure would be needed to alleviate and improve the flow of traffic. The improvements would consist of expanding the freeway with the addition of two new HOV lanes in each direction, … Read more

A Southcentral Texas City needed to revitalize an old drainage creek and turn the area into a cultural park with an outdoor theater and walking trails. The city awarded the project to a joint venture which would be in charge of completing the four phases of the project. The project would require an excavation cut … Read more

A well-established national contractor was tasked to install high box culverts to improve the flow of stormwater located in the center of an industrial district. The project would require an excavation cut of 60-ft in length, with a width of 28-ft and a depth of 24-ft; that the Competent Person on-site classified the sandy soil … Read more

A well-established national contractor was awarded a storm sewer project in a very populated city in the state of Illinois. The project would require the installation of a 42-inch and a 60-inch storm sewer pipe via bore including a pre-cast manhole. The project would require three bore pits with an underground cut of 42-ft in … Read more

A Denver contractor was tasked to install an 84-inch storm sewer pipe and a 24-inch sanitary sewer line. The project required a linear run of 1000-ft, a width of 25-ft and a depth of 28-ft. The Competent Person on site classified the sandy soil as Type-C60. The project site was located on the grounds of … Read more

A Las Vegas contractor was tasked with constructing new culverts and replacing deteriorating culvert lines located on the grounds of a future sporting arena. The project would require an excavation cut of 150-ft in length with a width of 32-ft and a depth of 16-ft. The second excavation required a linear run of 250-ft with … Read more

A south-central Texas contractor was tasked with the installation of fuel tanks. The project required an excavation of 85-ft in length with a width of 30-ft and a depth of 16-ft. The Competent Person on-site classified the hard clay rocky soil as Type-C-60. The excavation site was located on the grounds of a new gas … Read more

Recently a South Carolina contractor was tasked with performing a soil remediation project at a former manufacturing plant. The project would require a length of 16-ft with a width of 16-ft and a depth of 24-ft cut. The Competent Person on-site classified the sandy soil as Type-C-60. The project site presented several concerns due to … Read more

A South Carolina contractor was awarded the construction of a new pump station. The project would require a length of 20-ft with a width of 20-ft and a depth of 20-ft. The competent person on site classified the sandy soil as sandy clay Type-C-60. The project site was located in a forested area near an … Read more

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 protective system that could allow the mobility of several boom lifts on the court while protecting the integrity of the cement … Read more

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 24-ft. The Competent Person on-site classified the sandy soil as Type-C. The project site was located 12-ft from an existing road … Read more

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 with a width of 13-ft and a depth of 12-ft in a clay mixture that the Competent Person classified as Type-C-60 … Read more

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 new drainage lines will provide the proper amount of water flow to drain and reduce the potential of stagnate water contributing … Read more

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 on-site classified the sandy clay soil as Type-C-60. The project site was located next to a subdivision at about 12-ft from … Read more

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 excavation cut for the bore and receiving pit. The bore pit would require a linear run of 37-ft with a width … Read more

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 classified the sandy clay soil as Type-C-60. The project site would be located next to a high in traffic road and … Read more

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 in a sandy clay mixture that the Competent Person classified as Type-C-60. The project site presented several challenges that could negatively … Read more

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 clay mixture that the competent person classified as Type-C soil. The project would be located next to two high traffic roads … Read more

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, a width of 36 feet, and depths ranging from 5 to 12 feet. The Competent Person on-site classified the soil as … Read more

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 classified the soil as clay wet Type-C-80 soil. The contractor needed to properly secure the excavation site, which was located adjacent … Read more

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 and a depth of 9-ft. After carefully examining the soil, the Competent Person on-site classified the soil as semi-moist cohesive Type-C-60 … Read more

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 of 14-ft and a depth of 25-ft. The Competent Person on-site classified the medium clay soil as Soil Type-B. The project … Read more

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 54-inch sewer main with the second structure to be tied into a 64-inch sewer main.  The project required two similar excavations with … Read more