2023 Washington Code 74.42.550 – Handrails

2022 Washington Code 74.42.550 – Handrails

2020 Washington Code 74.42.550 – Handrails

2019 Washington Code 74.42.550

2018 Washington Code 74.42.550 – Handrails

2016 Washington Code 74.42.550 – Handrails

2015 Washington Code 74.42.550 – Handrails

2014 Washington Code 74.42.550 – Handrails

2013 Washington Code 74.42.550 – Handrails

2009 Washington Code 74.42.550 – Handrails