Our vaults are produced per ASTM C-913 specifications, and are designed per
ASTM C-890 specifications. For detailed shop drawings, Please email 

Our joints are sealed with butyl rubber sealant which meet ASTM C-990.

Steel reinforced Copolymer Polypropylene steps meeting ASTM C-478, ASTM D-4101, ASTM A-615 and AASHTO M-199 are typically installed in our storm drain manholes. Various types of steps may be ordered to fit the requirements for specific applications.

• Wall sleeves are available to be cast into the structure.
• Flexible Pipe to Manhole Connectors meet ASTM C-923 specifications .
• Water Stop Grouting Rings Meet ASTM C-923 Specifications, Section 4 "Materials and Manufacture" and are available for field installation by others.

Both foriegn and domestic castings are available for our vaults.

Hatches are available to be cast into our vaults.

Aluminum ladders are available to be installed into our vaults.