Civil DraftingCarlson CAD software

Sanjeev Adhikari, PhD

Map Scale

• 1” = 10’ 1”=20’ 1” = 50’

• Map is drawn in 1” = 50’What is drawing distance of 200 ft actual length?

• Find Scale factor?• Scale factor is 600• Drawing distance = 200 * 12/600• Answer = 4”

Map Scale

• 1” = 10’ 1”=20’ 1” = 50’

• Map is drawn in 1” = 20’What is drawing distance of 200 ft actual length?

Map Scale

• 1” = 10’ 1”=20’ 1” = 50’

• Map is drawn in 1” = 50’What is actual distance of 5” drawing length?

Map Scale

• Actual distance = 300’Drawing distance = 5” drawing length?

• What is map scale?

Carlson CAD Software

• Open Carlson Survey 2008 Standalone• Interact surveying application with AutoCAD

• Detail page 39 of textbook

• Used in surveying map• Use to describe Location and direction, contour

map, volume of cut and fill, area of map, surveying symbols, map scale

Carlson CAD Software

• Let us use carlson software

Carlson CAD Software

• Show line bearing and distance

• Annotate/ Angle Distance

Carlson CAD Software

• Show line bearing and distance

• Annotate/ Angle Distance

Carlson CAD Software

• Show north arrow

• Annotate/ Draw north arrow

Carlson CAD Software

• Calculate Area

• Area Layout/ Area by Lines/Arc or Area by polylines

Assignment 6

• Due: Wednesday, March 9, 2011

• Posted on blackboard