An engineer calculated the PW values for four alternatives to develop a remotely controlled vibrations control system for offshore platform application. The results in the table use a MARR of 14% per year. Determine which alternative(s) should be selected if (a) the alternatives are mutually exclusive, and (b) if the projects are independent.
An engineer calculated the PW values for four alternatives to develop a remotely controlled vibrations control system for offshore platform application. The results in the table use a MARR of 14% per year. Determine which alternative(s) should be selected if (a) the alternatives are mutually exclusive, and (b) if the projects are independent.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
An engineer calculated the PW values for four alternatives to develop a
remotely controlled vibrations control system for offshore platform application.
The results in the table use a MARR of 14% per year. Determine which
alternative(s) should be selected if (a) the alternatives are mutually exclusive, and
(b) if the projects are independent.
Transcribed Image Text:Alternative
J
K
Life, n, years
PW over n years, $
PW over
3
4
12
16.08
31.12
-257.46
140.46
years,
$
26.94
15.78
-653.29
140.46
PW over 12 years, $
39.21
60.45
-257.46
204.46
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