Installation and Use
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Prior to installation, plan your system:
MAXIMUM spacing between Guardrail Post Receivers is 8’.
1. Inspect selected installation location and surrounding work area according to requirements of
this instruction manual. Eliminate all existing and potential hazards.
2. NEVER install on unstable or structurally compromised surfaces, such as debris, rot, and rust.
3. Alligator Guardrail System must be installed a MINIMUM 10’ from all electrical hazards.
4. Take extreme care during installation. Guardian Fall Protection recommends using a back-up
fall protection system until Alligator Guardrail System is completely installed.
Substrate Limitations:
• Alligator Guardrail System may only be installed on roofs with pitches of 3/12, 6/12, and 9/12.
• NEVER use on surfaces with pitches greater than 9/12.
• Wood substrate must be 1/2” CDX or better. Metal substrate must be 24 gauge or better.
Guardrails:
Following the installation of the Alligator Guardrail System, install snap-on or lumber guardrails
according the following specifications:
1) Install snap-on metal
rails over the lower part of
bracket rung as shown.
*Snap-On Rail with Locking Pin.
Side view.
2) Rotate latch down and lock
rail into place with provided
locking pin.
• Snap-on rails:
• Lumber rails:
1) Lumber must be 2” x 4“ construction grade or better. Lumber must be at least 2’ longer than
the distance between consecutive guardrail posts.
2) Slide lumber through post rung so it overlaps adjacent lumber rail by a minimum 12”.
3) Lap lumber in consistent direction for entire guardrail system.
