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<BODY lang=EN-AU vLink=purple link=blue bgColor=#ffffff>
<DIV><FONT face=Arial size=2>Since everybody else is having a
go....</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>"A lead is a forced wait before a task can
commence; eg scheduling a Post Implementation Review on a project for two weeks
after the installation date. There may be no intervening activity planned, but
we have to wait anyway"</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>"A lag is a forced wait after an activity before an
event can occur; eg you might throw a concrete floor and then have to wait three
days for it to cure before laying it with tiles"</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>"the slack time for an event is given by
subtracting its earliest time from its latest time. This is a measure of the
delay which the event could suffer ...and still allow the project to finish
within the original estimate range"</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>"The float time is the amount of time that a task
start could be delayed without affecting the date upon which the succeeding
event would occur</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2>"Managing Information Technology Projects", McLeod
and Smith (University of Cape Town), Course Technology, 1996</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>...and then there is the question of how deeply
does one have to go into all of this anyway?</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Regards</FONT></DIV>
<DIV><FONT face=Arial size=2>Robert T-A</FONT></DIV>
<DIV><FONT face=Arial size=2>Brighton SC</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV>----- Original Message ----- </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=Chris.PARAGREEN@kew.vic.edu.au
href="mailto:Chris.PARAGREEN@kew.vic.edu.au">PARAGREEN, Chris</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=itapps@edulists.com.au
href="mailto:itapps@edulists.com.au">Year 12 IT Applications Teachers' Mailing
List</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, March 05, 2009 12:36
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> RE: [Year 12 IT Apps]
information needed for gantt charts</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">My
first post as a newbie IT teacher!<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">“Just”
a question about some of the definitions for Gantt
charts….<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">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
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">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
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">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
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">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
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">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
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">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
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">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
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'">Regards,<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10.5pt; COLOR: teal; FONT-FAMILY: 'Comic Sans MS'">Chris
Paragreen<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: #400080; FONT-FAMILY: 'Comic Sans MS'">IT,
Mathematics and Japanese Teacher and Timetabler</SPAN><SPAN
style="COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: #400080; FONT-FAMILY: 'Comic Sans MS'">Kew High
School<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: #400080; FONT-FAMILY: 'Comic Sans MS'">1393
Burke Road<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: #400080; FONT-FAMILY: 'Comic Sans MS'">Kew East
VIC 3102</SPAN><SPAN style="COLOR: black"><o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 10pt; COLOR: #400080; FONT-FAMILY: 'Comic Sans MS'">phone
+613 9859 8652 fax +613 9819 7880<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN
style="FONT-SIZE: 11pt; COLOR: #1f497d; FONT-FAMILY: 'Calibri','sans-serif'"><A
href="mailto:chris.paragreen@kew.vic.edu.au"><SPAN
style="FONT-SIZE: 10pt; COLOR: blue; FONT-FAMILY: 'Comic Sans MS'">chris.paragreen@kew.vic.edu.au</SPAN></A></SPAN><SPAN
style="FONT-SIZE: 10pt; COLOR: #400080; FONT-FAMILY: 'Comic Sans MS'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 14pt; COLOR: #0033cc; FONT-FAMILY: 'Franklin Gothic Demi Cond','sans-serif'">2008
International Year of Languages </SPAN></B><SPAN
style="FONT-SIZE: 14pt; COLOR: #0033cc; FONT-FAMILY: 'Franklin Gothic Demi Cond','sans-serif'"><o:p></o:p></SPAN></P>
<P class=MsoNormal><B><SPAN
style="FONT-SIZE: 14pt; COLOR: red; FONT-FAMILY: 'Franklin Gothic Demi Cond','sans-serif'">Languages
Still Matter! <o:p></o:p></SPAN></B></P>
<DIV>
<P
class=MsoNormal><o:p> </o:p></P></DIV></DIV>_______________________________________________
<BR><A href="http://www.edulists.com.au">http://www.edulists.com.au </A>- FAQ,
resources, subscribe, unsubscribe <BR>IT Applications Mailing List kindly
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href="http://www.vcaa.vic.edu.au/vce/studies/infotech/itapplications3-4.html ">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 </BLOCKQUOTE></BODY></HTML>