The Difference Between Calculating Start to start lag metods

A
Amro Ahmed 👤 Member for 17 years 5 months

Anyone please can  explain me the difference between calculating start to start lag from Predecessor and actual start

I would like if some one can give me sample or example

R
Ravi Katare 👤 Member for 11 years 10 months

Hi,

When a start-to-start relationship exists and the predecessor starts out of sequence, the successor activity is delayed until that expires and all predecessor relationships have been satisfied. You can choose to subtract the lag from the predecessor's actual start date or its internal early start date. See Start to start relationship.

Choose Actual Start when you want the successor's start to depend on the time elapsed from the predecessor's actual start (regardless of the amount of work that has been accomplished in the predecessor activity). The successor's start date is the data date plus any remaining lag.

Choose Early Start when the successor's start depends on the amount of work that the predecessor activity accomplishes. The expired lag is calculated as the number of workperiods between the actual start and the data date. The successor's start date is the predecessor's internal early start plus any remaining lag.

- Ravi

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