Table Standard Project Estimating

Estimating Method

Generic Type

WBS Relationship

Accuracy

Time to Prepare

Parametric

ROM*

Top down

-25% to +75%

Days

Analogy

Budget

Top down

-10% to +25%

Weeks

Engineering (grass roots)

Definitive

Bottom up

-5% to +10%

Months

*ROM = Rough order of magnitude.

*ROM = Rough order of magnitude.

Project Management Made Easy

Project Management Made Easy

What you need to know about… Project Management Made Easy! Project management consists of more than just a large building project and can encompass small projects as well. No matter what the size of your project, you need to have some sort of project management. How you manage your project has everything to do with its outcome.

Get My Free Ebook


Post a comment