Solutions

Railroad Slope Stabilization

To rectify a slip along a section of railway track a wall was required. Due to space constraints, a pipe pile and lagging wall installation was deemed appropriate to accomplish the task.

Railroad Slope Stabilization

Slope Stabilization and Site Restoration

The project required a wall to retard a slide along a section of railway track. Due to space constraints, a pipe pile and lagging wall was selected to accomplish this task.

Slope Stabilization and Site Restoration

Sports Arena and Parking Deck – North Eastern US

Micropile construction commenced with a detailed review and understanding of the micropile construction specification and project drawings. Dimensions of permanent materials including casing and all-thread-bar are common for all types of micropiles. For rock bonded micropiles, the minimum embedment into [ Read More… ]

Sports Arena and Parking Deck – North Eastern US

New Ragged Mountain Dam

The New Ragged Mountain Dam is located approximately 4 miles west of the Charlottesville, Virginia. The project included construction of a new earthen dam, an adjacent tunnel system and raw water pipeline to serve as the principal spillway for the new [ Read More… ]

New Ragged Mountain Dam

Midwest Retail Store Construction

Coastal was selected to perform the abandoned mine void grouting as part of the construction of a retail store located near Centerville, Iowa. Due to the abandoned mine being flooded, the project required strict erosion and sediment controls to deal [ Read More… ]

Midwest Retail Store Construction

Sinkhole Grouting

Limited mobility grout is injected into void spaces within soil or rock, soft soils, or the soil-filled cavities of the bedrock, to improve the subsurface soil and rock conditions by filling the void spaces and replacing soft, loose soils with [ Read More… ]

Sinkhole Grouting

Creek Protection Project – Appalachian Region US

The Creek Protection Project consisted of several phases of work including increasing the hydraulic capacity of the creek. Coastal installed permanent rock anchors within a post and panel floodwall positioned in the creek. In order to resist the design load, [ Read More… ]

Creek Protection Project – Appalachian Region US

Dam Safety Assurance

This project called for the installation of 278 high-capacity, post-tensioned, multi-strand rock anchors. The anchors ranged in size up to 61-strands with test loads approaching 3000 kips. The anchors were installed in 15-inch diameter boreholes to deviation tolerances of less [ Read More… ]

Dam Safety Assurance

Parking Garage – North Eastern US

Micropile construction commences with a detailed review and understanding of the micropile construction specification and project drawings. Dimensions of permanent materials including casing, all-thread-bar are common for all types of micropiles/ For rock bonded micropiles, the minimum embedment into rock [ Read More… ]

Parking Garage – North Eastern US

Precision Drilled Vertical Pilot Holes for Blind Bore Shaft Development

Project required the drilling of thirty-four 17.5” diameter pilot holes for future 96” diameter pump shafts that would be drilled utilizing blind bore techniques. The pilot holes were drilled in two passes with the initial 8” hole being drilled using [ Read More… ]

Precision Drilled Vertical Pilot Holes for Blind Bore Shaft Development