Plank and Platform


The Scaffold & Access Industry Association (SAIA) Platform Council ‘s primary mission is to promote, represent and enhance the platform section of our industry for the benefit of its members, the public and the industry with a special interest on safety.


1. Review and update all Scaffold Plank Purchasing Guidelines.

  • Solid Sawn Wood Planks

  • Engineered Wood Scaffold Plank

  • Metal/Composite Planks & Decks

  • Inner Access Decks (Hatch Decks)

2. Approve an industry accepted DI65 SYP Span Chart to be submitted to OSHA as a replacement for the incorrect span chart currently published.

3. Work with ANSI A10.8 committee to strengthen plank portion of this document.

4. Create SAIA Position Statement on “Cutting Back Wood Scaffold Planks.”

5. Course on Scaffold Plank Identification/Inspection.

6. Adopt and amend (if needed) pertinent SSFI Plank & Platform Documents.

  • Guide to Planks & Platforms

  • Properly Securing Scaffold Planks & Decking

  • Planks & Platforms: A Comparison of Advantages & Disadvantages

  • Code of Safe Practices for Frame Scaffolds… (plank section)

  • SSFI P500 – Standards for Testing and Rating Manufactured Metal Scaffold Planks & Decks

7. PIB Technical Report on Design Values.


  • To promote compliant manufacturing, new technologies, educated purchasing and safe use of scaffold planks and platforms through informational deliverables, media and public speakers.

  • To develop codes of safe practice, scaffold plank guidelines and programs designed to enhance safety within our industry.

  • Provide a forum for SAIA members to bring forth new products ideas, industry concerns and questions.


ANSI A10.8 describes plank as follows:

Plank: A wood board or fabricated component that serves as a platform unit.

Plank (metal): A metal platform unit sized to support one or more workers or uniformly distributed loads. Metal planks would be of similar dimensions as wood planks.

Plank (wood, laminated): A platform unit of glue-laminated wood whose method of manufacture and assigned design values contemplate flat use in a scaffolding application.The two types of laminated wood used in scaffold applications are Laminated Veneer Lumber (LVL) and Laminated Edge Glued Lumber (LEG).

Planks (wood, sawn): A board of sawn lumber whose grading rules and assigned design values contemplate flat use in a scaffolding application.The planks shall be sized to support one or more workers and materials.


Engineered Wood Scaffold Planks Purchasing Guidelines

Inner Access Decks (Hatch Decks) Purchasing Guidelines

Metal and/or Composite (Fabricated) Planks and Decks Purchasing Guidelines

Plank & Platform Inspection Guidelines

Solid Sawn Wood Plank Purchasing Guidelines


The following pocket handbook guides are available for purchase from the SAIA store (available in both English & Spanish):

  • Solid Sawn Wood Scaffold Plank

  • Laminated Veneer Lumber Scaffold Plank

  • Metal/Composite Scaffold Platforms


American Lumber Standards Committee (ALSC) Third Party Agency List

American National Standards Institute (ANSI)/ASSP A10.8-2019 Standard

California OSHA 1637/1504 Standard Revision

California Proposition 65 Wood Dust Warning: California Prop 65 Warning Sign

International Accreditation Service (IAS) Third Party Agency List

Laminated Veneer Lumber (LVL) Alert

Occupational Safety & Health Administration (OSHA) 1926.451 Standard

Keith Iwasaki
Canada Scaffold Supply Co., Ltd.

Dean Cook
Indian Mill Corp.