Planning Planet Planning Norms
Charleston-Joseph OrbeMember for 21 years 3 months
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Hello to all,
A lot of topics and discussion going on around our plannet. Diverse opinion and ideas were thrown. Can we make a sense on some basic fundamental essential planning norms.
A case in point is open ended activities. As any planner knows that got embroiled in 5,000 activities or more, big chances the planner got lost in the intricacy of the logic/links and relationship of activities. Whatever reason, alibi, laziness or excuses the particular planner may have such plans shall not be the norm of planning planet.
In the golden days of manual PERT/CPM or CPM, the rule is to have only 1 i-node as start and 1 j-node as finish. This is the only way to run forward pass and backward pass to arrive at float and total float.
Is it possible for us to have a norm of: only one activity will have no predecessor and only one activity will have no succesors. In this way, we may arrive at zero open ended activities.
Cheers,
Charlie
A lot of topics and discussion going on around our plannet. Diverse opinion and ideas were thrown. Can we make a sense on some basic fundamental essential planning norms.
A case in point is open ended activities. As any planner knows that got embroiled in 5,000 activities or more, big chances the planner got lost in the intricacy of the logic/links and relationship of activities. Whatever reason, alibi, laziness or excuses the particular planner may have such plans shall not be the norm of planning planet.
In the golden days of manual PERT/CPM or CPM, the rule is to have only 1 i-node as start and 1 j-node as finish. This is the only way to run forward pass and backward pass to arrive at float and total float.
Is it possible for us to have a norm of: only one activity will have no predecessor and only one activity will have no succesors. In this way, we may arrive at zero open ended activities.
Cheers,
Charlie
1 reply
Oldest first- 0Nigel Winkley ·Charlie
Whenever possible I try and have only one start and one finish. This is not always possible as you say due to (my) time constraints, merging programmes together etc.
When I run the schedule I always try and remove some of the open ends. Having imparted this knowledge to other planners and suggested that they tie up the project, the danger is that they will add everything to the start project milestone and again to the end project milestone.
Some activities are not really linkable in a logical way - meetings for one. But linking everything to the start or finish is not a good idea.
In principle I agree with what you say, in practice, hmmm. Rain check.
Cheers
Nige
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