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Sizer’s Beam/Joist mode and Column/Wall mode include the below inputs when walls, roof joists, and/or floor joists are selected. There are numerous interdependencies in the inputs based on the combinations materials for which there are design values in Appendix D-2.3, and not all the choices listed below appear for each combination of inputs.
Unknown material means that the program selects the choice in the process of achieving a sufficient fire equal to or greater than the required duration.
Sheathing
Gypsum or Plaster. None indicates that CAM fire design is not to be performed.
Gypsum Thickness
½" (12.7 mm), 5/8" (15.9 mm), or (Unknown).
Plaster Thickness
Unknown, and, for walls ½" (13 mm), 5/8" (16 mm), ¾" (19 mm); for floors and roofs, ¾" (19 mm), (7/8") 23 mm, 26 mm (1")
Insulation
Unknown, none, Rock/slag fiber, Cellulose, Fibreglass.
Resilient metal channel spacing
Not used, 400, 600 mm
Plaster Lath
Unknown, Gypsum, Metal
Concrete Topping
A checkbox is available to add concrete topping to floors.
Plaster Finish
Unknown, then several combinations of cement, lime, gypsum, sand, wood fibre, perlite, vermiculite.
Wire Reinforcement
A checkbox when gypsum lath is used.
Metal Lath over Joints
A checkbox when gypsum lath is used.
Exterior Wall
A checkbox indicates the wall is on the perimeter of the building.
Non-load bearing
A checkbox indicates the wall is non-load-bearing. When checked, load input is not available for this wall.