Solutions

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

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

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

Railroad Track Wall Stabilization

This project called for a wall stabilization which consisted of the installation of 93, 30-foot solid bar nails into various underlying geotechnical conditions. Also, a two inch construction layer and a six inch final face of shotcrete was applied to [ Read More… ]

Railroad Track Wall Stabilization

Retail Shopping Center – 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, all-thread-bar, are common for all types of micropiles. For rock bonded micropiles, the minimum embedment into rock [ Read More… ]

Retail Shopping Center – North Eastern US

Pilot Holes for Large Diameter Holes for High-Capacity Strand Anchors in a Dam

Project required an 8” diameter pilot hole for each of the 278 high-capacity post-tensioned strand anchors that were installed in a 15” diameter final hole.

Pilot Holes for Large Diameter Holes for High-Capacity Strand Anchors in a Dam

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

Recreational Pier and Hotel – Eastern US

Pressure grouted micropiles are most often utilized when subsurface conditions consist of a sandy/silty consistency. The injection of grout under pressure allows bonding to the subsurface strata to add load-bearing capacity.

Recreational Pier and Hotel – Eastern US

New Elementary School Construction

The Eastwood Elementary School, located in Morgantown, WV, is a recently completed WV DEP Environmental Award winning facility. As a Subcontractor to the General Contractor for the project, Coastal’s portion of the work included drilling strategically located boreholes, placing of [ Read More… ]

New Elementary School Construction

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