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CHAPTER 19 ConTEnTs

hen the London Millennium Footbridge across the River Understanding the Role of
WThames opened in 2000, it was a big hit. With some 2,000 Recommendation Reports 514
people on the bridge, it began to sway, causing what engineers Using a Problem-Solving Model
for Preparing Recommendation
called synchronous lateral excitation: when the bridge swayed,
Reports 514
people on the bridge began to sway in rhythm as they walked,
Identify the Problem or Opportunity 516
which amplified the movement. Three days later, the bridge, newly
Establish Criteria for Responding to the
nicknamed the Wobbly Bridge, was closed for study and repair. Problem or Opportunity 516
Engineers studied two options for fixing the problem: increasing Determine the Options 516
the stiffness of the bridge or increasing its damping. Eventually, Study Each Option According to the
they wrote a report recommending the installation of 89 dampers, Criteria 517
Draw Conclusions About Each
shown in the photo, to control horizontal and vertical movement.
Option 518
The bridge reopened in 2002, but Londoners still call it the Wobbly Formulate Recommendations Based
Bridge. on the Conclusions 519
Chapter 17 discussed informational reports: those in which the Writing Recommendation
writer’s main purpose is to present information. This chapter dis- Reports 519
cusses recommendation reports. A recommendation report also Writing the Body of the Report 521
presents information but goes one step further by offering sugges- Writing the Front Matter 523
tions about what the readers ought to do next. Writing the Back Matter 530
Here are examples of the kinds of questions a recommendation Sample Recommendation
Report 531
report might address:
• What should we do about Problem X? What should we do about
the synchronous lateral excitation on the bridge?
• Should we do Function X? Although we cannot afford to re-
imburse tuition for all college courses our employees wish to
take, can we reimburse them for classes directly related to their
work?
• Should we use Technology A or Technology B to do Function X?
Should we buy several high-output copiers or a larger number of
low-output copiers?
• We currently use Method A to do Function X. Should we be using
Method B? We sort our bar-coded mail by hand; should we buy
an automatic sorter?
Each of these questions can lead to a wide variety of recommenda-
tions, ranging from “do nothing” to “study this some more” to “take
the following actions immediately.”

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