Bubble Cul-de-Sac
This type of cul-de-sac is also called a fish-eye cul-de-sac. It is
commonly used at sharp turns in roads in subdivisions.
Follow the prompts described below. When done the fillet
points and radius points will be stored in the coordinate file.
These points will be plotted and the fillet arcs will be drawn if
the C&G settings call for it. You may repeat the process as
necessary or press <Esc> to end command:
Prompts
Enter cul-de-sac radius point
(Enter when done): type or pick the radius point.
Enter cul-de-sac radius
<0.000>: Enter the radius of the cul-de-sac.
Enter 1st C/L bearing away from
radius point <0.000>: Enter the bearing along the
first roadway centerline away from the cul-de-sac radius point.
Enter 2nd C/L bearing away from
radius point<0.000>:Enter the bearing along the second
roadway centerline away from the cul-de-sac radius point
Enter road width
<0.000>: Enter the roadway width.
Enter fillet radius
<0.000>: Enter the fillet radius or zero for no
fillets.
Pulldown Menu Location:
CG-Survey > Cogo > Roadways >
Intersections/Cul-de-sacs
Keyboard Command:
cg_bcul
Prerequiste:
coordinate file
