Design OSHA-Compliant Steel Handrails

I need double rail handrails for conveyors that are 3 stories high. The handrails must be made of steel and compliant with OSHA standards.

Requirements:
- Design for double rail configuration
- Materials: Steel
- Compliance with OSHA safety standards

Ideal Skills and Experience:
- Experience with safety railing design
- Knowledge of OSHA regulations
- Proficient in structural steel design