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.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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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.

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
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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