Design
Columns
-
Spacing -
Examples: 8’, 9’, 10’, 12’ -
Type of Column -
Examples: Solid Sawn, Nail Laminated, Glue Laminated, Nail & Glue Laminated, Concrete Base -
Size -
Examples: 4x6, 6x6, 3-ply 2x6, 4-ply 2x6, 3-ply 2x8, 4-ply 2x8 -
Species & Grade of Lumber -
Examples: SYP, MSR, #1, #2, Select Structural -
Treatment Levels -
Examples: .40 Pcf, .60 Pcf, .80 Pcf -
Treatment Use Group -
Examples: Ground Contact (4A), Fresh Water/Ground Embedment (4B), Permanent Wood Foundation/Severe Environments (4C) -
Type of Treatment -
Examples: ACQ, Copper Azole, CCA -
Length of Treatment -
Examples: for Laminated Columns, 6’, 7’ or Full Column Treatment - Fabrication Requirements, for Field-Fabricated Columns
- Fastener Type
- Fastener Size
- Fastener Spacing
-
Column Uplift Anchors -
Examples: Treated Blocks, Tie Clips to Footings, etc. -
Column Embedment -
Examples: 4’ Deep, 5’ Deep
Design Note: Not all solid-sawn and laminated columns are equal toeach other