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what is impact on schedule using negative Lag

In the Open Standard
Salauddin Mohammed KhajaMember for 20 years 10 months
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Dear all,

pls anybody adivse me why we can’t use negative lag in the schedule, The client or consultant advising no to use. Why? what is the reason.

I beleive that if we didn’t use negative lag, the schedule is not properly on critical path, hence, several activities with total float more than zero or one.
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  1. 0
    Ahmad saeed ·
    #1
    Hi Salauddin,

    Using negative lags in the relationship has no effect on the schedule.

    you can change the relations from FS with -ve lag to SS with +ve lag.

    Hope that this will help.
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  2. 0
    Brad Richey ·
    #2
    If you change the relations from FS with -ve lag to SS with +ve lag be sure to include a FF relationship between the same two items if you do not you may be finishing the successor before the predecessor completes.

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