Page 445 - Divyank Tyagi

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CoMBining Phasing, grouPs, and design oPtions 411

4. Click the Add Parameter button, and in the Parameter Properties dialog box set the fol-
lowing values:

◆ ◆ Parameter Type: Project Parameter
◆ ◆ Name: Demo Cost Per Unit
◆ ◆ Type or Instance: Type
◆ ◆ Type of Parameter: Currency
◆ ◆ Group Parameter Under: Construction
5. Click OK to close the Parameter Properties dialog box, and then click the Calculated
Value button in the Schedule Properties dialog box. Create a new calculated value with
the following values. You’ll need to add a calculated value in order to multiply the demol-
ished walls’ volume by the cost per unit and get the total. Click the Calculated Value
button in the Schedule Properties dialog box. We’ve divided the Volume value by 1 CF to
keep the units consistent.

◆ ◆ Name: Disposal Cost
◆ ◆ Formula or Percentage: Formula
◆ ◆ Type: Currency
◆ ◆ Formula: Volume / 1 CF × Demo Cost Per Unit
In this formula, it is important that the spelling of each parameter be exact because it is
case sensitive. We divided by 1 unit (cubic feet in this example) to eliminate the volu-
metric units in the equation. The result will be a number that is multiplied by the value
assigned to the Demo Cost Per Unit parameter.

6. Click OK to close the Calculated Value dialog box, and then switch to the next tab,
Sorting/Grouping. Establish the settings to sort by Type (with the Header option) and
then by Volume, as shown in Figure 10.80. Check the box for Grand Totals, and set the
associated drop-down list to Totals Only. Uncheck the Itemize Every Instance option.
7. Switch to the Formatting tab and select Disposal Cost. Check the Calculate Totals box,
and then click OK to create the schedule.

8. In the Properties palette, set Phase to New Construction - Phase 1 and Phase Filter to
Demo Only. After you type a value in any of the Demo Cost Per Unit fields, the schedule
will look similar to the image in Figure 10.81.
9. For the Phase 2 demolition schedule, don’t start over. In the Project Browser, duplicate the
previously created schedule and just change the phase in the Properties palette to New
Construction - Phase 2.

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