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Legs starting before the CC   Message List  
Reply | Forward Message #8729 of 10743 |
Re: Legs starting before the CC

Hi, Joe

In Idaho, they do cause West Nile, which can kill you just as dead.

Regards,
Larry Leach

--- In CriticalChain@yahoogroups.com, "Joseph Bradley"
<joseph.bradley.26@...> wrote:
>
> Tony wrote:
> Knowledge-work companies have too much work in process, because
they start
> too many entire projects inappropriately early. Starting one or all
the
> feeding chains of a project early contributes to having too much
work in
> process like mosquito-bite contributes to a case of lung cancer.
>
> --------------------------------------------------------------------
--------------------
> I did not realize that mosquito bites caused lung cancer. I am in
trouble,
> as there are lots of mosquitos here.
>
> Joe
>
> On Fri, Jul 18, 2008 at 6:21 AM, Tony Rizzo <Tony.Rizzo@...>
> wrote:
>
> > >: against: more "work in progress" plus conflict with the
> > >: basic CC model.
> >
> > Knowledge-work companies have too much work in process, because
they start
> > too many entire projects inappropriately early. Starting one or
all the
> > feeding chains of a project early contributes to having too much
work in
> > process like mosquito-bite contributes to a case of lung cancer.
> >
> > Tony Rizzo
> >
> > +1 908 264 8520 desk
> > +1 908 230 5348 mobile
> > * click! The Real Problem With Your Projects
> >
> >
> > >: -----Original Message-----
> > >: From: CriticalChain@yahoogroups.com <CriticalChain%
40yahoogroups.com>
> > >: [mailto:CriticalChain@yahoogroups.com <CriticalChain%
40yahoogroups.com>]
> > On Behalf Of Crispin
> > >: ("Kik") Piney
> > >: Sent: Friday, July 18, 2008 6:00 AM
> > >: To: CriticalChain@yahoogroups.com <CriticalChain%
40yahoogroups.com>
> > >: Subject: RE: [CriticalChain] Legs starting before the CC
> > >:
> > >: That discussion about pushing a feeding chain back to start
> > >: before the CC
> > >: does however raise the following question:
> > >:
> > >: what are the tradeoffs to consider with respect to starting
> > >: the CC earlier
> > >: (since the project start date is now prior to the CC start)?
> > >: This would
> > >: entail putting a (heretical!) feeding buffer at the point of
> > >: convergence of
> > >: the CC with the "pushed-back" feeder chain (PBFC), and
> > >: moving the other
> > >: dependent feeding chains (i.e. those which link into the CC
> > >: before the
> > >: connection with the PBFC) back by the same amount
> > >:
> > >: for: the probability of being late at the convergence point
> > >: is reduced AND
> > >: the size of the project buffer can be reduced to allow for
> > >: the earlier start
> > >: of the CC. So the project duration is reduced.
> > >:
> > >: against: more "work in progress" plus conflict with the
> > >: basic CC model.
> > >:
> > >: Discussion?
> > >:
> > >: Kik
> > >:
> > >:
> > >:
> > >: Crispin ("Kik") Piney
> > >:
> > >: kik@... <kik%40PROject-beneFITS.com>
> > >:
> > >: +33 (0) 680 115 777
> > >:
> > >: Register now on www.pmisymposium.lso-intl.com
> > >: <http://www.pmisymposium.lso-intl.com/> for the PMI RiskSIG
> > >: Conference in
> > >: Nice and Monte-Carlo on 3-5 November 2008 and save ^200.-
> > >:
> > >: -----Original Message-----
> >
> > >: From: CriticalChain@yahoogroups.com <CriticalChain%
40yahoogroups.com>
> > >: [mailto:CriticalChain@yahoogroups.com <CriticalChain%
40yahoogroups.com>
> > ]
> > >: On Behalf Of Jim Bowles
> > >: Sent: Friday, July 18, 2008 11:36
> > >: To: CriticalChain@yahoogroups.com <CriticalChain%
40yahoogroups.com>
> > >: Subject: RE: [CriticalChain] Legs starting before the CC
> > >:
> > >:
> > >:
> > >: Hi Rajeev
> > >:
> > >: The example I quoted was that of a network when the buffers
> > >: are added: this
> > >: action pushes one or more feeder chains backward so that
> > >: they need to start
> > >: before the critical chain. Folk who are accustomed to the
> > >: common starting
> > >: point of CPM find this confusing and start question whether
> > >: that means that
> > >: the CC has changed. The answer is no - this is the
> > >: subordination step -
> > >: subordinating to the CC to protect it. It is important to
> > >: remember that we
> > >: are focusing on the end date of our project and taking the
> > >: necessary actions
> > >: to ensure that we achieve what we promised. The other
> > >: associated question
> > >: that usually goes with this one is: what about the gaps that
> > >: are created? In
> > >: reality there aren't any gaps because the task duration
> > >: variation is so
> > >: large and our software is only dealing with the discrete
> > >: numbers we use for
> > >: them.
> > >:
> > >: Does this answer your question?
> > >:
> > >: Jim Bowles
> > >:
> > >: Hi Jim,
> > >:
> > >: If I remember it correctly, many months ago, you had
> > >: mentioned an example on
> > >: one of the lists explaining the case for a non-critical path
> > >: to start before
> > >: the CC.
> > >:
> > >: Do you remember it? If yes, would request you to share the
> > >: same again.
> > >:
> > >: Regards,
> > >:
> > >: Rajeev
> > >:
> > >: Share files, take polls, and make new friends - all under
> > >: one roof. Go to
> > >: http://in.promos. <http://in.promos.
> > >: <http://in.promos.yahoo.com/groups/>
> > >: yahoo.com/groups/> yahoo.com/groups/
> > >:
> > >: [Non-text portions of this message have been removed]
> > >:
> > >: No virus found in this incoming message.
> > >: Checked by AVG - http://www.avg. <http://www.avg.com> com
> > >: Version: 8.0.138 / Virus Database: 270.5.1/1560 - Release
> > >: Date: 18/07/2008
> > >: 06:47
> > >:
> > >: [Non-text portions of this message have been removed]
> > >:
> > >:
> > >:
> > >:
> > >:
> > >:
> > >:
> > >: [Non-text portions of this message have been removed]
> > >:
> > >:
> > >: ------------------------------------
> > >:
> > >: To unsubscribe from this discussion, send an email to:
> > >: CriticalChain-unsubscribe@egroups.com<CriticalChain-
unsubscribe%40egroups.com>
> > >: Any administrative comments or questions should be sent to:
> > >: CriticalChain-owner@egroups.com <CriticalChain-owner%
40egroups.com>
> > >: Yahoo! Groups Links
> > >:
> > >:
> > >:
> > >:
> > >:
> >
> >
> >
>
>
>
> --
> Joseph M. Bradley
>
>
> [Non-text portions of this message have been removed]
>





Fri Jul 25, 2008 1:07 am

lawrence_leach
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Forward
Message #8729 of 10743 |
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Hi Jim,   If I remember it correctly, many months ago, you had mentioned an example on one of the lists explaining the case for a non-critical path to start...
Rajeev Athavale
rajeev_athavale
Offline Send Email
Jul 18, 2008
9:07 am

Hi Rajeev The example I quoted was that of a network when the buffers are added: this action pushes one or more feeder chains backward so that they need to...
Jim Bowles
mikeorjim2003
Offline Send Email
Jul 18, 2008
9:36 am

Yes Jim... Thanks... Rajeev ... From: Jim Bowles <j_m-bowles@...> Subject: RE: [CriticalChain] Legs starting before the CC To:...
Rajeev Athavale
rajeev_athavale
Offline Send Email
Jul 18, 2008
9:54 am

That discussion about pushing a feeding chain back to start before the CC does however raise the following question: what are the tradeoffs to consider with...
Crispin ("Kik") Piney
pineyk
Offline Send Email
Jul 18, 2008
9:58 am

... Knowledge-work companies have too much work in process, because they start too many entire projects inappropriately early. Starting one or all the feeding...
Tony Rizzo
tocguy2000
Offline Send Email
Jul 18, 2008
10:22 am

Tony wrote: Knowledge-work companies have too much work in process, because they start too many entire projects inappropriately early. Starting one or all the ...
Joseph Bradley
whimzee26
Offline Send Email
Jul 19, 2008
1:08 am

"I did not realize that mosquito bites caused lung cancer. I am in trouble, as there are lots of mosquitos here." Don't misunderstand me, please. I'm not...
Tony Rizzo
tocguy2000
Offline Send Email
Jul 19, 2008
1:39 am

Hi, Joe In Idaho, they do cause West Nile, which can kill you just as dead. Regards, Larry Leach ... they start ... the ... work in ... trouble, ... they start...
Lawrence
lawrence_leach
Offline Send Email
Jul 25, 2008
1:10 am
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