Roof Framing Plan Symbols

Wood framing drawings framing plans show the size number and location of the structural members constituting the building framework.

Roof framing plan symbols.

Roof framing plan symbols diy pete. Line length is the hyptenuse of the triangle whose. Floor plans site plans elevations and other architectural diagrams are generally pretty self explanatory but the devil s often in the details. Plan symbols 2 a 4 wall section no.

Roof framing supporting a composite slab can be assumed to be restrained. Main object line hidden or invisible line indicates center line 3 3 4 dimension lines extension lines symbol indicates center line indicates wall suface n. The rafters are shown in the same manner as joists with rafters shown spanning the building and supporting the roof. A frame roof an a frame structure uses rafters to form its supporting walls.

Figure 2 2 roof framing terms. Gambrel roof a gambrel roof is patterned somewhat after the gable roof but has two separate slopes. Roofplanframing roofplanframing roofplanframing roofplanframing how to roofplanframing for in this article electrical engineer les winter p e provides an introduction to the most common causes of electrical shock injuries that occur in domestic commercial industrial and construction settings. Symbol description sog fw1 concrete slab on grade foundation walls.

S 106 roof plan. 2 can be seen on drawing no. Separate framing plans may be drawn for the floors walls and roof. Figure 10 20 is an example of a roof framing plan for a wood frame roof.

The floor framing plan must specify the sizes and spacing of joists girders and columns used to support the floor. 3 l 5 detail section no. 1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches. If the unit of rise in inches is 3 then the cut is the unit of rise and the unit of run 12 inches or 3 12.

Roof framing plans for wood frame construction are drawn in the same manner as the floor framing plan. On a roof plan the symbol preceded by the letters dn is called a slope indicator. 3 can be seen on drawing no. It s not always easy to make an educated guess about what a particular abbreviation or symbol might mean.

Indicates dimensions of. All other framing and construction wall be assumed to be unrestrained. A utility plan is a floor plan that shows the layout of heating electrical plumbing or other utility systems.