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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I would agree with your definition of lead time.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Slack time – in my opinion – is the ‘delay’
in a task on a non-critical path where the start of a task can be delayed
without lengthening the overall time taken for the project. For example, if the
critical path takes 10 days, and there are two tasks on the non-critical path
that each take 2 days each, then the slack time for task 2 could be up to 6
days – task 2 can be delayed by 6 days and still finish in the 10 days
taken for the critical path, as long as there is no delay on task 1.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#1F497D'>Kind regards</span><span style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#1F497D'>Allan Barnes, CEO</span><span style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#1F497D'>Australian Institute of Education and Training</span><span
style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#1F497D'>P.O. Box 171</span><span style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#1F497D'>Brunswick West 3055</span><span style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#1F497D'>Ph: (03) 9387 2051</span><span style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#1F497D'>FAX: (03) 9387 3470</span><span style='color:#1F497D'><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#1F497D'>Mobile: 0409 428 221</span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
itapps-bounces@edulists.com.au [mailto:itapps-bounces@edulists.com.au] <b>On
Behalf Of </b>PARAGREEN, Chris<br>
<b>Sent:</b> Thursday, 5 March 2009 12:37 PM<br>
<b>To:</b> Year 12 IT Applications Teachers' Mailing List<br>
<b>Subject:</b> RE: [Year 12 IT Apps] information needed for gantt charts<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>My first post as a newbie IT teacher!<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>“Just” a question about some of the definitions for
Gantt charts….<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>According to Potts (p30), lead time is, “… time
leading up to or before a task.” It further explains the concept, but
essentially this is it.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>My understanding is that lead time is the time available to
begin a dependant task before its predecessor is finished.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>For example, you can’t set up a computer until the box has
arrived, but you can prepare the room in advance.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Similarly, Potts states that slack time and lag time are the
same thing, whereas I think they are not.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Slack is the available time to allow for delays, but lag is the
time between when a task finishes and when it’s dependant task can begin.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>For example, if pouring concrete, the actually pouring task
might have finished, but you have to wait for the concrete to cure (the lag
time) before you can paint it.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Are my definitions too precise for what we need to teach, am I
wrong, or am I missing something?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Regards,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.5pt;font-family:"Comic Sans MS";
color:teal'>Chris Paragreen<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Comic Sans MS";
color:#400080'>IT, Mathematics and Japanese Teacher and Timetabler</span><span
lang=EN-AU style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Comic Sans MS";
color:#400080'>Kew High School<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Comic Sans MS";
color:#400080'>1393 Burke Road<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Comic Sans MS";
color:#400080'>Kew East VIC 3102</span><span lang=EN-AU style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:10.0pt;font-family:"Comic Sans MS";
color:#400080'>phone +613 9859 8652 fax +613 9819 7880<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-AU style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><a href="mailto:chris.paragreen@kew.vic.edu.au"><span
style='font-size:10.0pt;font-family:"Comic Sans MS"'>chris.paragreen@kew.vic.edu.au</span></a></span><span
lang=EN-AU style='font-size:10.0pt;font-family:"Comic Sans MS";color:#400080'><o:p></o:p></span></p>
<p class=MsoNormal><b><span lang=EN-AU style='font-size:14.0pt;font-family:
"Franklin Gothic Demi Cond","sans-serif";color:#0033CC'>2008 International Year
of Languages </span></b><span lang=EN-AU style='font-size:14.0pt;font-family:
"Franklin Gothic Demi Cond","sans-serif";color:#0033CC'><o:p></o:p></span></p>
<p class=MsoNormal><b><span lang=EN-AU style='font-size:14.0pt;font-family:
"Franklin Gothic Demi Cond","sans-serif";color:red'>Languages Still Matter! <o:p></o:p></span></b></p>
<div>
<p class=MsoNormal><span lang=EN-AU><o:p> </o:p></span></p>
</div>
<p class=MsoNormal><span lang=EN-AU>_______________________________________________
<br>
<a href="http://www.edulists.com.au">http://www.edulists.com.au </a>- FAQ,
resources, subscribe, unsubscribe <br>
IT Applications Mailing List kindly supported by <br>
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href="http://www.vcaa.vic.edu.au/vce/studies/infotech/itapplications3-4.html%20">http://www.vcaa.vic.edu.au/vce/studies/infotech/infotechindex.html
</a>- Victorian Curriculum and Assessment Authority and <br>
<a href="http://www.vitta.org.au">http://www.vitta.org.au </a>- VITTA Victorian
Information Technology Teachers Association Inc<o:p></o:p></span></p>
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