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Tutorial 3

The document outlines a tutorial focused on cost estimation and project scheduling for a contractor considering adding a truck to their fleet. It includes calculations for ownership costs and asks for the selection of the best alternative based on various cost factors. Additionally, it provides tasks related to constructing a network diagram, determining activity timings, identifying the critical path, and calculating slack for project activities.

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wiltonliu.lpc
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22 views3 pages

Tutorial 3

The document outlines a tutorial focused on cost estimation and project scheduling for a contractor considering adding a truck to their fleet. It includes calculations for ownership costs and asks for the selection of the best alternative based on various cost factors. Additionally, it provides tasks related to constructing a network diagram, determining activity timings, identifying the critical path, and calculating slack for project activities.

Uploaded by

wiltonliu.lpc
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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CSE422 TUTORIAL 3

COST ESTIMATION AND PROJECT SCHEDULING


Q1
A contractor has decided to Model A B
add a truck to his fleet. The Purchase Cost $200,000 $490,000
contractor estimates its annual
Life (hours) 12,000 24,000
usage will be about 2,000 hours.
His ownership cost factors to Tire cost (every 2,000 $20,000 $10,000
be: Interest: 5%; Taxes: 2%; hours)
Insurance: 2%; Storage: 1%; Major repair (every 6,000 $80,000 $50,000
License: none. Which of the
hours)
following alternatives should
the contractor select? Please Maintenance cost (per hour) $18.25 $15.25
round the calculated values to Salvage Value $20,000 $40,000
integers. (8%)
Q2
Given the information in the
following table:
a. Construct the network diagram
(AON).
b. Find each activity’s ES, EF, LS,
and LF.
c. Find critical path and time.
d. Calculate the slack for each
activity.

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