Figure 2 2 roof framing terms.
Roof framing plan symbols.
3 can be seen on drawing no.
Wood framing drawings framing plans show the size number and location of the structural members constituting the building framework.
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.
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.
Roof framing supporting a composite slab can be assumed to be restrained.
The floor framing plan must specify the sizes and spacing of joists girders and columns used to support the floor.
Separate framing plans may be drawn for the floors walls and roof.
Roof framing plan symbols diy pete.
Gambrel roof a gambrel roof is patterned somewhat after the gable roof but has two separate slopes.
Line length is the hyptenuse of the triangle whose.
On a roof plan the symbol preceded by the letters dn is called a slope indicator.
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.
2 can be seen on drawing no.
All other framing and construction wall be assumed to be unrestrained.
Plan symbols 2 a 4 wall section no.
In a precast or cast in place concrete floor and roof framing a structural plan should indicate with symbols the location of bearing walls beams and columns and the direction and size of steel reinforcing bars the direction of the span and the size and thickness of required structural members.
Roof framing plans for wood frame construction are drawn in the same manner as the floor framing plan.
While the company does not help self builders to find a plot of land or arrange a mortgage it does have its own planning consultant who works with clients to obtain planning permission.
It s not always easy to make an educated guess about what a particular abbreviation or symbol might mean.
1 8 pitch is given so 24 x 1 8 equals 3 or unit of rise in inches.
Floor plans site plans elevations and other architectural diagrams are generally pretty self explanatory but the devil s often in the details.
Aa a 6 building section a a can be seen on drawing no.
Symbol description sog fw1 concrete slab on grade foundation walls.
A frame roof an a frame structure uses rafters to form its supporting walls.
3 l 5 detail section no.
Figure 10 20 is an example of a roof framing plan for a wood frame roof.
The rafters are shown in the same manner as joists with rafters shown spanning the building and supporting the roof.
