Assigning Material Resources to Tasks

When you assign a material resource, you are attaching the material resource name to a task and then indicating the quantity of material to be used in fulfilling this task.

Material resources are supplies consumed in the course of fulfilling a task. As with work resources, there are units of measurement to specify how much of the resource is available to carry out the task. With work resources, this measurement is time: number of hours or days, for example. With materials, however, the measurement, and therefore the material resource assignment units, is quantity. When you assign a material resource to a task, you specify the quantity of resource that this task will consume.

For example, suppose that you have a landscaping project that includes the “Lay down beauty bark” task. The material resource for this task is obviously beauty bark. Because beauty bark is measured in cubic yards, you would have set the material’s unit of measurement, or label, as cubic yards when you added beauty bark as a material resource in the Resource Sheet. Now, when you assign beauty bark as a material resource to the “Lay down beauty bark” task, you can specify the assignment units as 6, to indicate 6 cubic yards of beauty bark.

Other examples of material labels include tons, linear feet, packages, cartons, pounds, and crates. You can make the label be any unit of measurement you want.

The quantity of material consumed in the course of performing a task can be fixed or variable, based on duration. That is, if the same amount of material will be used whether the task takes 2 days or 2 weeks, the material is said to have a fixed material consumption. However, if more material will be used if the duration increases and less material used if the duration decreases, the material is said to have a variable material consumption. To specify variable material consumption, enter a per-time period specification in the assignment Units field: for example, 1/week or 3/day. This is translated with the material’s label: for example, 1 ton/week or 3 yards/day.

Note

For more information on setting up a material resource, see Adding Material Resources to the Project.

To assign a material resource to a task, follow these steps:

  1. In the Gantt Chart or other task sheet, click the task to which you want to assign a material resource.

  2. On the Resource tab, in the Assignments group, click Assign Resources.

  3. In the Assign Resources dialog box, click the name of the material resource you want to assign to the task, and then click the Assign button.

    The material resource name moves to the top of the Resources list in the table, and the label appears in the Units field, defaulting to a quantity of 1—for example, 1 yards.

  4. Change the 1 in the Units field to the correct quantity for this assignment—for example, 3 yards. (See Figure 8-11.)

    If you change the quantity directly in the Units field, press Tab or Enter when you’re finished, or click another field to enter the change and exit edit mode.

  5. If necessary, change the units value from the default fixed consumption rate to a variable consumption rate, as shown in Figure 8-12. After the units value, enter a slash and time period abbreviation—for example, 3/d. Project 2010 adds the unit of measurement label, such as yards or cartons, to make it 3 yards/d.

    Change the default of 1 unit to the appropriate quantity of material to be used to complete the selected task.

    Figure 8-11. Change the default of 1 unit to the appropriate quantity of material to be used to complete the selected task.

    Use the standard time period abbreviations (h, d, w, and so on) to specify the quantity per time period for a material resource with a variable consumption rate.

    Figure 8-12. Use the standard time period abbreviations (h, d, w, and so on) to specify the quantity per time period for a material resource with a variable consumption rate.

  6. If you want to assign another resource to the selected task, click the name, and then click the Assign button. Modify the Units field as necessary.

    You can assign material and work resources in the same operation.

  7. To assign material resources to a different task, click that task. You don’t have to close the Assign Resources dialog box to select a different task.

  8. When you are finished assigning resources to tasks, click the Close button.

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