From the Workspaces page of the Steel Structure Job, select the CE + CB viewset from the View drop-down list.

In the Current Estimate data block, double click in the Secondary UoM field for a cost item you assigned an account code to.

Select a Secondary UoM from the drop-down list different than the cost item's primary UoM.

Click the side arrow to navigate to the Secondary Qty column.

Double click in the Secondary Qty field for your cost item and enter a value.

Select the ACS tab.

In the Primary Qty field for the account code assigned to the cost item you just changed and type in a quantity value.

For your account code, check the Auto-quantity (Primary) check box.

To view what cost items are assigned to the account code, right click on your account code and select ACS item details.