Questions tagged [constraints]

For questions about project or process constraints, or about the Theory of Constraints management paradigm.

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MS Project: Sub-tasks causing unexpected 'Late Start'

I'm attempting to build a schedule and use MS Project to calculate dates and flow, based on constraints and task linking, but am unable to overcome an apparent issue with how the 'Late Start' is ...
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4answers
233 views

What can I do when I can't adjust scope, resources, or schedule and a team member wants a raise?

After almost 20y programming and 5y managing I have arrived at a state to be so confused with the basics that I need help from outside! At the project management we have 3 pillars: Scope: features ...
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8answers
468 views

When does throwing in people to meet a Project's Scope or Time constraints ever work?

While there's way too much wisdom and anecdotal evidence accumulated over the years that throwing new people into a project to magically close a scope-gap or a schedule-gap is a bad idea, I've noticed ...
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3answers
228 views

Iron triangle question..how could extended scope only be mitigated by time?

I have read the following about the Iron trinagle: To add features to a product (scope), you could extend the deadline to make time for the new work (time) or add people to get it done faster (...
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4answers
169 views

How to deal with a client who does not respect PM practices, yet wants a PM?

Simply put, I have a client who does not respect PM practices. We have a large, high value, multi-stakeholder, multi-variable project. I estimate that if we are not 50% complete by end of February, ...
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2answers
203 views

critical chain project management

I want to fully learn about critical chain project management in scheduling construction projects. I've gone through many videos and journals, but can't find any clear cut ideas or proof that shows ...
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4answers
3k views

What is the purpose of the “as late as possible” constraint in MS Project?

I understand that I can use this constraint in MS Project, but really, what is a good use case for this? When does this constraint make sense?
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5answers
1k views

Iron Triangle / quality triangle - why the middle is said to be non-existant?

I struggle with some interpretations of the model. Some visualizations says that no projects live in the middle of the triangle. But I wonder why? It would mean that the project is of moderate quality,...
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1answer
341 views

Task with specific predecessor and weekday - Project 2003

I'm having trouble to schedule a task that has two date constraints: It must happen 5 days after a precedessor task; It must happen on Mondays. I tried creating and using an specific calendar, that ...
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1answer
1k views

Constraints vs Lag time

When is it more appropriate to use a constraint vs lag time and vice versa? There are some situations in which it is not completely clear to me which one should I use.
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3answers
5k views

What is “Lead Time”?

I have a task within my project criteria which states: "Purchasing lead-time for the steelwork is estimated at 60-80 days". What does lead time mean? Do I have to make special considerations for this?...
4
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1answer
149 views

How should I schedule around a resource that may be unavailable for up to 5 months a year?

Background: I am managing a Project where I am responsible planning the construction of a visitor center on the peak of a mountain. The Problem: During reading the brief, I have came across the ...
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2answers
2k views

Can you add constraints to a split task in ms projects?

What if I would have a task A, split into three sections. Could I set a finish-finish relationship between task B and the end of the second section of task A? And if not, what would be a recommended ...
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2answers
1k views

Create resource dependencies in MS project 2010

e.g. I have a task that has to be fulfilled by two persons, but person B cannot start before person A has finished his part of the task. How do I scedule this in MS project 2010 without having to ...
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4answers
253 views

Should I disclose technical constraints and details to the client?

Background In our Software Requirements Specifications (SRS) we have a clause which states that the user should be able to make push notifications from the website to the mobile devices. Should we ...
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2answers
948 views

Can Quality be an adjustable constraint of an agile process?

When defining the constraints of a project, the classical Iron Triangle defines three concurrent constraints: Resources, Scope and Time. Some more complex models (see the Project Constraint Model) add ...