MAT 510 – Homework Assignment
Homework Assignment 3
Due in Week 3 and worth 30 points
The following data consists of the actual time used and potential (the best time possible for this review
process) to complete each step in the review process. The actual times are based on the review of 30
projects. The potential times are subjective engineering judgment estimates.
Table: Basic Data Review for Construction Project Equipment Arrangement
Cycle Time
(hours)
Step
1
2 Description
Actual
Potential
Difference
Read basic data package
4
4
—
Write, type, proof, sign, copy, and distribute
21.9
0.5
21.4
cover letter
3
Queue
40
0
40
4
Lead engineer calls key people to schedule
4
0.25
3.75
meeting
5
Write, type, proof, sign, copy, and distribute
25.4
2.1
23.3
confirmation letter
6
Hold meeting; develop path forward and
4
4
—
concerns
7
Project leader and specialist develop missing 12
12
—
information
8
Determine plant preferred vendors
12
12
—
9
Review notes from meeting
12
12
—
10
Resolve open issues
106
104
2
11
Write, type, proof, sign, copy, and distribute
26.5
0.25
26.25
basic data acceptance letter
Totals
267.8
151.1
116.7
Use the data in the table above and answer the following questions in the space provided below:
1. What are the sources of value-added and non-value-added work in this process?
2. Where are the main opportunities to improve the cycle time of this process, with respect to
both actual time used and the potential best times? What strategy would you use?
3. Step 10: Resolve Open Issues required 104 hours (potential) versus 106 hours (actual). Is
there an OFI here? Why or why not? If so, how would you attack it?
4. What do you think are the most difficult critical issues to deal with when designing a sound
cycle time study such as this one?
Type your answers below and submit this file in Week 3 of the online course shell:

 

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