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
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 of 20-ft. The contractor on site classified the sandy soil as Type C-80 soil. The contractor would be contending with a … Read more
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 to a depth of 24-ft. The second manhole had a linear run of 20-ft with a width of 20-ft and a … Read more
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 excavation to a depth of 16-ft in what the contractor had classified as Type C-60 soil. The excavation site would be … Read more
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 width of 16-ft to accommodate the 10-ft square drainage tunnel. The contractor had classified the sandy and clay soil as Type … Read more
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 complete the project, as the site would not have sufficient room to install scaffolding. The contractor called NTS to discuss the project … Read more
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 the Competent Person had classified as a Type-C soil. The project occurred on a site that was adjacent to a roadway, … Read more
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 three sections, with each section weighing about 90,000 pounds. The components required an excavation of approximately 40-ft in length, 16-ft in … Read more
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, 16-ft wide, and about 19-ft deep to provide the necessary room to operate the boring machine and complete the work. The … Read more
A contractor had been tasked with installing four 22-ft concrete vaults for tank insulation on a Southwestern US military base. The project would require an excavation of approximately 40-ft wide, 60-ft long, and 20-ft deep. The contractor’s Competent Person had classified the clay soil as Type-B soil. The contractor’s initial focus on this project was … Read more
A contractor was installing 42-inch stormwater and sewer pipe as part of new development to support the growth of a Southwest US city. The project called for the excavation to be approximately 8-ft to 10-ft deep with widths running 4-ft to 5-ft. The contractor had classified the soil as Type C-60 soil. One of the … Read more
The contractor had been tasked with pouring in place a 17-ft square, 17-ft tall lift station for a Northern Virginia power station. The contractor had classified the soil as Type C-60. To complete the project an excavation of 18-ft deep and 30-ft squared would be required. This allowed the contractor to conduct the necessary preparations … Read more
A Midwest contractor was installing a 12-ft stormwater overflow line under an existing parking lot. The contractor had determined the job would require an excavation depth of 20-ft with a linear run of 70-ft followed by a 90-degree turn and then another 70-ft linear run. The contractor’s Competent Person had classified the soil as either … Read more
A contractor was tasked with replacing an existing terracotta sewer pipe with ductile iron in a high-volume shopping center in North Carolina. The project would require two separate excavations of 16-ft length and 6-ft width to depths of 12-ft and 16-ft. One of the pits would be used as a pipe-bursting launch pit, while the … Read more
A Nevada university hosted a presidential debate in October and needed to protect its grounds from the set-up and traffic associated with hosting a presidential debate. The representative charged with the project had contacted NTS to discuss potential options with NTS’s ground mats the perfect solution for this application. The mats would provide protection to … Read more
A contractor needed to add to an existing petroleum line at a location that was approximately 16-ft from a set of railroad tracks. The project required an excavation of 16-ft x 12-ft and 16-ft deep in what the contractor had classified as a Type C-60 soil consisting of sand and a little clay. The proximity … Read more
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 to a depth of 18-ft. Due to the blasting, the site’s shale, rocky, red clay soil had been classified as Type … Read more
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 steel pipe culvert and perform a pour-in-place headwall. The planned bore pit would require soil protection for approximately 67-ft wide, 20-ft … Read more
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 dealing with a topography clustered with adjacent structures typical of a large, metropolitan airport including a parking garage and airport service … Read more
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 while the crew completed the work. The project required a 16-ft square pit excavated to a depth of 12-ft in what … Read more
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 station package. The project called for the excavation of an approximately 14-ft deep and 24-ft squared pit in Type-60 soil. Given … Read more
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 Army Corp of Engineers had forbidden on this project. The contractor needed the means to bring the heavy equipment necessary to … Read more
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 old manholes. The excavation was comprised of right-angled and linear open-cut runs to a maximum depth of 12-ft with varying widths. … Read more
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 used for efficient drainage of the site. The project would require an open cut of approximately 28-ft wide, 200-ft length, and … Read more
The owners of two petroleum pipelines were preparing for the addition of new rail infrastructure and commissioned a contractor to reinforce the existing lines. The contractor would be excavating approximately 180-ft of pipeline to a depth of 8-ft and a width of 12-ft in sandy Type C-60 soil. Once the site was excavated, the contractor … Read more
Due to increased traffic congestion around a large airport, a Midwestern municipality had initiated a project to create a new toll road into the airport to ease traffic congestion. The project would require the contractor to update and or relocate surrounding utilities and infrastructure lines. On this particular phase of the project, the contractor would … Read more
As part of an ongoing project at a large Florida airport, a contractor needed to pour pier structures to support the transit system that would move travelers from the parking garage to the terminals. This particular phase of the project would require two excavations, each 16-ft square and 10-ft deep in a sandy Type C-60 … Read more
A contractor was installing footings for what will become a five-story parking garage to support a new ten-story building being built approximately 75 yards from the parking garage site. The contractor had classified the red, clay soil as a Type C-60 soil and this portion of the project would require a 16-ft square excavation to … Read more
