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… ]
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… ]
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… ]
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… ]
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… ]
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… ]
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… ]
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… ]