Solutions

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

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

KY Lock Addition

The Kentucky Lock is an existing 600 foot long navigation lock located on the Tennessee River near Grand Rivers, Kentucky. The US Army Corps of Engineers constructed a new 1,200 foot long navigation lock landward of the existing lock. The [ Read More… ]

KY Lock Addition

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

Water Treatment Tank Support – Northeastern US

Anchor construction commences with a detailed review and understanding of the anchor construction specification and project drawings. Dimensions and properties of permanent materials including all-thread-bar, plates and grout are determined. Additionally, for rock bonded anchors, the minimum embedment into rock, [ Read More… ]

Water Treatment Tank Support – Northeastern US

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

Maid of the Mist Shoring Wall

This project called for the installation of a wall for stabilization of an elevator shaft for access for maintenance and tourism of the Maid of the Mist facility.

Maid of the Mist Shoring Wall

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

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

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