Top Down estimating is a project estimating technique whereby the overall project is estimated first, and individual tasks are apportioned from it. You start from the top of the pyramid and work downwards. This type of project budgeting usually occurs when there is a fixed budget and/or the scope of the project must fit within a predetermined funding level, … [Read more...]
Project Cost Management
Mismanaging project costs is the single fastest way to cause project failure. Project costs represent the many multi-faceted experiences that occur on a project, however stakeholders see only the bottom line and draw rapid conclusions from it. For this reason, the planning of the management of project costs is the focus of the Project Management Body of Knowledge's … [Read more...]
34 Items in a Cost Management Plan
Keeping project costs under control can feel like swimming against the current sometimes. To prevent you from going up the creek without a paddle, a Cost Management Plan is the guiding document which allows you to take fast, decisive action when issues arise and the sharks are circling. The Project Cost Management Plan is the component of the overall Project … [Read more...]
How to Produce a Detailed Estimate
Estimating a project is one of the most important aspects of project management. Projects are by definition temporary endeavors with a defined beginning and end, hence stakeholders need to know how much expenditure they are committing to. Thus, project estimates tend to start before the project even begins and are usually updated throughout the project life … [Read more...]
The Rough Order of Magnitude Estimate
Project estimating is one of the most important aspects of project management. By their very nature, projects have fixed budgets and their owners want to know how much they will cost. Hence, project estimating begins prior to project initiation and estimates are usually updated at important project milestones. A Rough Order of Magnitude estimate, often called ROM … [Read more...]
What is a Rough Cost Estimate?
A Rough Cost Estimate is an initial estimate that uses prior experience (and other non-project data) to estimate the cost of a project. It is also called a Rough Order of Magnitude (ROM) estimate, or a Conceptual Estimate. The Rough Cost Estimate is used for project screening, or deciding which among several projects to proceed with. The project definition is … [Read more...]
11 Types of Estimates
Almost every project requires an estimate. Since a project is, by definition, temporary, somebody must approve a budget for it. Which means they must know how much to approve. The available types of estimates can be categorized into the following groups: Accuracy Source of Data Estimating techniques Accuracy In many industries, project estimates start … [Read more...]
Project Cost Estimation 101
Project estimating requires predicting the future. Like ancient prophets and soothsayers, today's project managers are experts in telling people what is going to happen. The key to success, then, is to ensure that what actually happens is the same as the estimate. This might seem like magic sometimes, but it requires strong project cost estimation techniques. Project … [Read more...]
Three Point Estimating for the PMP Exam
Three point estimating is a technique which utilizes an optimistic and pessimistic estimate to determine the ideal estimate value for a project task. It is a shoe-in for PMP exam questions, which is not likely to change anytime soon. It allows known risks to be quantified and built in to the project budget. Formula There are two generally accepted formulas for three … [Read more...]
Parametric Estimating for the PMP Exam
Parametric estimating is a guaranteed inclusion on the PMP Exam. This article is assured to give you at least one point (but more likely four or five). Parametric estimating is a project estimation technique whereby a unit rate is used and multiplied by the number of units. For example: A house building project is estimated at $120 per square foot A contractor … [Read more...]