Start with baseline or detailed...?
In the Open Standard
Hazem RadyMember for 19 years 8 months
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I am a new construction planner and i started planning 2 months later.
I have a question may be simple to more experienced planners but it’s annoying for me.
When I start planning should i start by estimating durations of general works or should i estimate each detail of the activity first that will lead me to the generals.
i.e.should i start like that:
duration of Concrete works = 40 weeks
or:
dur.of forming = 2 weeks
dur.of installing steel = 3 weeks
dur. of puring and curing = 1 week
ans so on....
which way is better?
I have a question may be simple to more experienced planners but it’s annoying for me.
When I start planning should i start by estimating durations of general works or should i estimate each detail of the activity first that will lead me to the generals.
i.e.should i start like that:
duration of Concrete works = 40 weeks
or:
dur.of forming = 2 weeks
dur.of installing steel = 3 weeks
dur. of puring and curing = 1 week
ans so on....
which way is better?
2 replies
Oldest first- 0James Griffiths ·Hi Hazem,
Welcome to the world of Planning Planet.
At some point in time, you are going to need the detailed description of each activity anyway - so that is where I prefer to begin. This is where the use of standard template is very useful: it should contain all the normal activities associated with a construction programme. All you need to do is change the durations to suit the conditions.
If however, you are planning something that you have never done before, then you would normally start with the expected "generals", and sub-divide them as you spend more time developing the programme.
HTH
James. - 0Gilbert Rayco ·Hi Hazem,
Basically u need to develop ur Work Breakdown Structure (WBS)and it is the primary input in schedule activity definition. At the early stage of the project execution upper level of schedule (level 2 or 3)is more appropriate if u do not have enough data or information i.e BOM,detailed AFC drawings, otherwise u can use the top-down method or decomposition,template from previous similar projects or rolling wave planning technique.
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