4. Resource pool description. Knowledge of what resources will be available at what times and in what patterns is necessary for schedule development. For example,shared resources can be especially difficult to schedule since their availability may be highly variable.
The amount of detail and the level of specificity in the resource pool description will vary. For example, for preliminary schedule development of a consulting project one need only know that two consultants will be available in a particular timeframe. The final schedule for the same project, however, must identify which specific consultants will be available.
5. Calendars. Project and resource calendars identify periods when work is allowed. Project calendars affect all resources (e.g., some projects will work only during normal business hours while others will work a full three shifts). Resource calendars affect a specific resource or category of resources (e.g., a project team member may be on vacation or in a training program; a labor contract may limit certain workers to certain days of the week).
6. Constraints. Constraints are described in Section 6.1.1.4. There are two major categories of constraints that must be considered during schedule development:
• Imposed dates. Completion of certain deliverables by a specified date may be required by the project sponsor, the project customer, or other external factors (e.g., a market window on a technology project; a court-mandated completiondate on an environmental remediation project).
• Key events or major milestones. Completion of certain deliverables by a specified date may be requested by the project sponsor, the project customer, or other stakeholders. Once scheduled, these dates become expected and often may be moved only with great difficulty.
7. Assumptions. Assumptions are described in Section 6.1.1.5.
8. Leads and lags. Any of the dependencies may require specification of a lead or a lag in order to accurately define the relationship (e.g., there might be a two-week delay between ordering a piece of equipment and installing or using it).
4. Resource pool description. Knowledge of what resources will be available at what times and in what patterns is necessary for schedule development. For example,shared resources can be especially difficult to schedule since their availability may be highly variable.
The amount of detail and the level of specificity in the resource pool description will vary. For example, for preliminary schedule development of a consulting project one need only know that two consultants will be available in a particular timeframe. The final schedule for the same project, however, must identify which specific consultants will be available.
5. Calendars. Project and resource calendars identify periods when work is allowed. Project calendars affect all resources (e.g., some projects will work only during normal business hours while others will work a full three shifts). Resource calendars affect a specific resource or category of resources (e.g., a project team member may be on vacation or in a training program; a labor contract may limit certain workers to certain days of the week).
6. Constraints. Constraints are described in Section 6.1.1.4. There are two major categories of constraints that must be considered during schedule development:
• Imposed dates. Completion of certain deliverables by a specified date may be required by the project sponsor, the project customer, or other external factors (e.g., a market window on a technology project; a court-mandated completiondate on an environmental remediation project).
• Key events or major milestones. Completion of certain deliverables by a specified date may be requested by the project sponsor, the project customer, or other stakeholders. Once scheduled, these dates become expected and often may be moved only with great difficulty.
7. Assumptions. Assumptions are described in Section 6.1.1.5.
8. Leads and lags. Any of the dependencies may require specification of a lead or a lag in order to accurately define the relationship (e.g., there might be a two-week delay between ordering a piece of equipment and installing or using it).
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