属性

数据类型ID

必须?Mandatory

Codes (19)

• 10Constraint - Finish to Finish
• 11Constraint - Start to Start
• 12Constraint - Dummy
• 20Cost Account Activity
• 21Work Package Activity
• 22Data Item
• 01Beginning Activity
• 02Ending Activity
• 03Activity
• 04Interface Activity (when 2 or more separate networks are combined to create 1 network)
• 05Summary Activity
• 06Milestone
• 07Event
• 08Constraint - Finish to Start
• 09Constraint - Start to Finish
• PIMaintenance Period Identifier
• PMProposed Maintenance Action
• SMScheduled Maintenance Action
• ZZMutually Defined