• ASCE As-built requirements of positional accuracy level 3 is required for X, Y (Easting, Northing) and a positional accuracy level 4 applies for Z in all Urban boundary designated areas.
• Minimum requirements for Rural designated areas are ASCE positional accuracy of Level 5 for X, Y and Z.
|Positional Accuracy Level||Positional Accuracy1 (English Units)||Positional Accuracy1,2 (SI Units)|
|1||0.1 feet||25 mm|
|2||0.2 feet||50 mm|
|3||0.3 feet||100 mm|
|4||1 foot||300 mm|
|5||3 feet||1000 mm|