- Designed for HS-20 Loading (Other Loading Available: Port, Aircraft, etc.)
- Concrete Compressive Strength of 5,500 PSI at 28 Days
- Steel Reinforced Precast Concrete (Other Reinforcement Options Available)
- Blockouts As Needed (shown)
- Manway Access Opening (shown)
- Concrete Slab Top with Cast In HDG Door (shown)
- No Special Lifting Attachments Required- Standard Hooks Only
- Aluminum Lin In Lieu of Galvanized Steel Door
- Cast Iron Frame and Cover or Grate In Lieu of Galvanized Steel Door
- Riser Sections for Additional Height
