JT/T 33.9-1993 Technical grade standards for workers in the transportation industry Highway engineering and navigation engineering surveyors (English Version)
This standard specifies the levels, knowledge, skills and work examples of navigation engineering surveyors. This standard is applicable to the training, assessment and use of surveyors for navigation engineering construction in water and land environments such as rivers, lakes and seas.
JT/T 33.9-1993 history
1970JT/T 33.9-1993 Technical grade standards for workers in the transportation industry Highway engineering and navigation engineering surveyors