Miller DH-20ZP/ Flush Floor Mount Sleeve Zinc Plated

Zinc plated mild steel or stainless steel construction. Mounts to horizontal concrete or steel structures. Includes PVC sleeve liner. The structure and mounting hardware must be capable of withstanding a 90,000 in-lbs (10,170Nm) moment and a 5,000lb (22.2kN) vertical load. Installation MUST be approved to local regulations by a qualified engineer.

Meets or Exceeds ASTM Designation B633, Type II, SC2

Features and speecs: 

• Base Material: A-36 Steel Plate
• Material Structure: Sch.40 Pipe
• Sleeve Bearing Material: PVC Pipe ASTM-D-1785
• Capacity 450 lbs.

Mounting Requirements (Minimum):

The structure and mounting hardware must be capable of withstanding a 90,000 in-lbs (10,170Nm) moment and a 5,000lb (22.2kN) vertical load. Installation MUST be approved to local regulations by a qualified engineer. 

Application Restrictions:

1. Sleeves are for use with approved masts and accessories ONLY.
2. System design factor depends on other system components and the configurations in which they are assembled. The minimum design factor for all standard MILLER DuraHoist mast and accessories is 4:1.
3. All welding is to be carried out by qualified personnel.
4. If base material does not meet minimum requirements, reinforcement MUST be added to meet minimum requirements.
5. Each installation MUST be approved to local standards by a qualified engineer.

https://www.millerfallprotection.com/en/products/descentrescue%20and%20confined%20space/miller-durahoist-portable-confined-space-system