Expert judgment
Experts with specialized knowledge in planning and
estimating can help in activity resource estimating process.
Alternatives Analysis
Alternative methods of performing the activity are analyzed
during activity resource estimating process. These alternatives may be
different levels of resource capability or skills, different size of machines
etc.
Published Estimating Data
Somme organizations publish data on production rates and
costs of resources for various human resources, materials and equipments for
different locations. This helps in activity in resource estimating process.
Project Management Software
Project Management software provides an efficient process of
planning, organizing, and managing resource pools and developing resources
estimates. Resource breakdown structures, resource availabilities, resource
calendars, and resource rate can be defined project management software.
Bottom-up Estimating
Bottom-up Estimating is used, when a schedule activity
cannot be estimated with a reasonable degree of confidence. The work within the
activity is decomposed into more details and estimation is performed at lower
level.