- Designed for HS-20 Loading
- Thin Wall Knockouts (shown)
- Cast Iron Ring & Cover (shown)
- Pulling Irons Cast Into Floor (shown)
- Terminators Cast Into Wall in lieu of Thin Wall Knockouts
- Unistrut Cast Into Wall
- Bolt Inserts Cast Into Wall
- Concrete Lid in Place of Cast Iron
- Concrete Collars to Extend Height of Structure
