Exposure - B

Use prescriptive design method. For all buildings located in Exposure C shall be designed under a professional engineer supervision.

Building Height

The building shall not exceed three stories nor a mean roof height of 33 feet, measured from average grade to average roof elevation.

Member Spans, Spacing, Cantilever

• Floor framing member spacings shall not exceed 24 inches on center
• Floor joist cantilevers supporting loadbearing walls or shearwalls shall not exceed the depthof the joists.
• Floor joist cantilevers supporting nonloadbearing walls shall be limited to L/4.

Wall Heights, Stud Spacing

• Load bearing walls shall not exceed 10 feet in height. Non-load bearing walls shall not exceed 20 feet in height.
• Wall stud spacing shall not exceed 24 inches on center

• Load bearing walls shall not exceed 10 feet in height.
• Non-load bearing walls shall not exceed 20 feet in height.
• Wall stud spacing shall not exceed 24 inches on center.

Shear Wall Line offsets, Story offsets, Orientation

• Offsets in a shear wall line within a story shall not exceed 4 feet segments by more than the depth of the floor framing members.
• Shear wall lines shall be oriented to resist loads in two orthogonal directions.

Roof Framing spans, Overhang, Spacing, slope

• Single spans (horizontal projection) of roof framing members shall not exceed 26 feet
  for lumber rafters. The total roof span shall not exceed 36 feet.
• Rafter overhang lengths shall not exceed on-third of the rafter span or 2 feet,  whichever is less.
• Roof framing member spacings shall not exceed 24 inches.
• Roof slope shall not exceed 12:12.

Connections

• Lateral and uplift Connections shall include:
• Roof framing connections.
• Roof Assembly to Wall Assembly.
• Top and bottom plates to wall studs.
• Wall Assembly to Floor Assembly.
• Floor assembly to sill, top plate, or girder.
• Wall Assembly or Sill Plate to Foundation.

Hold downs shall be installed in the shear walls to resist Overturning.