Solutions

Wastewater Treatment Plant Upgrade – Central 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 pressure grouted micropiles, the minimum bond length is [ Read More… ]

Wastewater Treatment Plant Upgrade – Central 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

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

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

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

Precision Vertical Monolith Joint Drilling for Dam Waterstop Repair

The project required drilling two 8” diameter holes for the installation of new waterstops between the selected monolith joints within the dam structure. The holes were required to precisely follow the vertical joints between the monoliths and to deviate no [ Read More… ]

Precision Vertical Monolith Joint Drilling for Dam Waterstop Repair

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

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

High-Rise Student Housing Complex

CDE was called on for the installation of an earth retention system to allow the construction of a two-story below grade parking garage to serve as the foundation for a new high-rise student housing facility. To meet the requirements of [ Read More… ]

High-Rise Student Housing Complex

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