1.2-mile Downtown Conveyance Tunnel

Dig Greenville Tunnel by Bunnel Lammons Engineering

Greenville, SC – In order to meet the demands of continued growth in the Upstate area, our client is constructing an approximately 11-foot diameter gravity sewer tunnel beneath downtown Greenville, South Carolina. The tunnel will be constructed in hard rock, approximately 100 feet below ground surface, and will extend for a distance of 1.2 miles.…

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Bridge Repair

Minor Street After Repair by Bunnel Lammons Engineerings

Anderson County, South Carolina – Minor Street collapsed during a major rain event in early 2018 due to the failure of twin pipe culverts. As part of the Anderson County Transportation Committee contract, BLE oversaw the design and construction of the repair to Minor Street. The repair consisted of replacing the twin-pipe culverts with a…

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150,000-Square-Foot Health Care Facility

Front View of Cherokee Hospital engineered by Bunnel Lammons Engineering

Cherokee, NC – Construction of a new 150,000-square-foot health care facility was recently completed in Cherokee, North Carolina that included new inpatient and outpatient services, a laboratory, pharmacy, emergency room, a physical therapy area, and dental and vision clinics. The site was particularly difficult, having over 230 feet of relief across the planned development area.…

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Lake Blalock Dam

Lake Blalock Dam

Spartanburg, South Carolina – BLE provided subcontract geotechnical exploration services for the rehabilitation and upgrade to the pre-existing dam and spillway. Our services included performing a geotechnical exploration (soil borings, standard penetration test sampling, undisturbed sampling, test pits) and providing recommendations for filters, drains, rock anchors, lateral earth pressures, slope stability, site preparation, and piezometer…

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City Park Improvements

Bridge construction in city park

Asheville, NC – Bunnell Lammons Engineering provided geotechnical engineering and construction materials testing for Phase I of a road improvement project. Outcomes for the project included improved management of high water during flood events, creating new and improved infrastructure for vehicles, pedestrians, and bicyclists at one of the City’s most popular park complexes. The $3.7…

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Waste Slope Monitoring and Maintenance – Landfill

Landfill in Georgia – Landfill owners and operators are taking more waste than ever before and this includes new waste streams with less internal strength, when placed, than traditional streams. They recognize that they need a team of savvy engineers to deal with the complications that can arise from accepting waste water treatment and industrial…

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Pine Shore Dam

Pine Shore Dam

Transylvania County, NC – Pine Shore Dam is an approximately 40-foot tall intermediate hazard earthen dam with a public road that traverses the crest. The dam, with a 2H:1V downstream slope, has experienced seepage and slumping on the lower half of the downstream slope. BLE performed a geotechnical exploration of the dam that included soil test…

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Highway 70 Retaining Wall Repair and Extension

Retaining wall repair engineered by Bunnel Lammons Engineering

Asheville, N.C. – BLE provided geotechnical exploration, geotechnical construction support and oversight, repair and design construction drawings, and construction materials testing services for a new retaining wall on Highway 70 in North Carolina. Observation and preliminary assessment of the site indicated the need to provide additional stability for both the existing segmental block retaining wall…

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Chattahoochee River Bank Stabilization

Chattahoochee river bank

Phenix City, Alabama – BLE provided geotechnical exploration and slope stability analysis for the design and construction of a 125-foot long by 20-foot tall Mechanically Stabilized Earth (MSE) retaining wall. The new retaining wall, consisting of Filtrexx Living Wall Gro Soxx facing, was built to stabilize a failed slope located below an existing electrical transmission…

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Arch Culvert & Geogrid Reinforcement Wingwalls

Arch Culvert

Greenville, South Carolina – BLE provided geotechnical exploration, laboratory testing, and construction monitoring and testing for an arch culvert and associated geogrid-reinforced wingwalls providing roadway access to a new landfill area. The arch culvert is approximately 35 feet tall and 200 feet long. The geotechnical exploration indicated that foundation conditions consisted of 6 to 12…

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