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what is impact on schedule using negative Lag

2 replies [Last post]
Wed, 2008-06-25 16:44
salauddin mohamme...
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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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Replies

Mon, 2008-06-30 13:00
#1
Brad Richey
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Joined: 22 May 2008
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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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Sun, 2008-06-29 04:27
#2
Ahmad saeed
User offline. Last seen 16 years 35 weeks ago. Offline
Joined: 29 Jun 2008
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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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