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CBS Column Base

CBS

On This Page

The CBS column base installs with bolts and provides tested capacity. The 1" standoff (included) meets code requirements for structural posts installed in basements or exposed to weather or water splash.

Material

  • See table

Finish

  • Galvanized; available in HDG

Installation

  • Use all specified fasteners; see General Notes
  • Install with two bolts
  • For full loads, a minimum of 3" side cover shall be provided
  • Post bases do not provide adequate resistance to prevent members from rotating about the base and therefore are not recommended for non-top-supported installations (such as fences or unbraced carports)

Related Literature

Wood Construction Connectors 2019-2020
C-C-2019
A catalog including new product information as well as any applicable specification and installation instructions for wood-to-wood and wood-to-concrete structural connectors.
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Conectores para la construcción en madera 2017–2018
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Load Tables

    These products are available with additional corrosion protection. Additional products on this page may also be available with this option, check with Simpson Strong-Tie for details.

CBS Column Bases Load Table
  1. Loads may not be increased for duration of load.
  2. For higher downloads, pack grout solid under 1" standoff plate before installation. Base download on column or concrete, according to the code.
  3. Concrete shall have a minimum compressive strength of f'c = 2,500 psi.
  4. To obtain LRFD values, multiply ASD seismic load values by 1.4 and wind load values by 1.67 (1.6 for 2012 IBC).
  5. In accordance with IBC, Section 1613.1, detached one- and two-family dwellings in Seismic Design Category (SDC) C may use "Wind and SDC A&B" allowable loads.
  6. Downloads shall be reduced where limited by capacity of the post.
  7. Designer is responsible for concrete design.
  8. Structural composite lumber columns have sides that show either the wide face or the edges of the lumber strands/veneers known as the narrow face. Values in the tables reflect installation into the wide face. See technical bulletin T-C-SCLCLM for load reductions resulting from narrow-face installations.

Code Reports

Part IAPMO UES ER ICC-ES ESR City of Los Angeles State of Florida
CBS44No evaluation report listing.
CBS46No evaluation report listing.
CBS66No evaluation report listing.

Drawings

Part Orthographic Perspective
CBS44None
CBS44 Installed Perspective View
DWG DXF
CBS46None None
CBS66None None

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