Walls Program - Building Permit Edition

Calculate wind load pressures for walls and anything on them such as shutters, windows and doors. Wall Program can print out a page that lists all the values of the symbols; for your job.

Input:

Building Information:

• Wind Velocity
• Building Category
• Exposure
• Internal Pressure
• Mean Roof Height
• Building Width
• Building Length
• Roof Slope (x:12)
• Opening Type
• Zone
• Elevation
• Opening Width
• Opening Height

Topographic Factor Information:

• Hill Shape
• H, height of hill or escarpment
• Lh, Distance upwind of crest of hill or escarpment
• x, Distance upwind of crest to sign
• z, height above ground level

Output:

• Importance Factor
• Roof Angle (degrees)
• (a) Edge Strip
• End Zone
• Effective Wing Area
• Maximum Positive Pressure (psf)
• Maximum Negative Pressure (psf)