JT/T 30.12-1993
Technical grade standard for workers in the transportation industry Channel dredging Channel signal worker (English Version)

Standard No.

JT/T 30.12-1993

Language

Chinese, Available in English version

Published By

Professional Standard - Traffic

Status

Withdraw 2010-04

Latest

JT/T 30.12-1993

Scope

This standard specifies the levels, knowledge, skills and work examples of waterway signal workers. This standard applies to the training, assessment and use of waterway signal workers.

JT/T 30.12-1993 history

• 1970 JT/T 30.12-1993 Technical grade standard for workers in the transportation industry Channel dredging Channel signal worker