UNDERGROUNDUnderground Utility Products
The underground utility construction industry has come to rely on the proven performance and versatility of precast concrete utility structures. Standard designs are readily available, while custom structures can be designed with the assistance of your local precast concrete manufacturer. Precast concrete utility structures include utility vaults, utility manholes, pull/splice boxes, utility trenches, equipment enclosures, equipment pads, tunnel vaults, panel vaults, light pole bases and more.
ASTM C857: Practice for Minimum Structural Design Loading for Underground Precast Concrete Utility Structures
ASTM C858: Specification for Underground Precast Concrete Utility Structures
ASTM C891: Practice for Installation of Underground Precast Concrete Utility Structures
ASTM C1037: Practice for Inspection of Underground Precast Concrete Utility Structure