|
Sub-problem 3a - Page 9 of 13 |
ID# C403A09 |
Sub-problem 3a: Weaving Analysis
|
Exhibit 4-52. Flow Distribution Analysis Results |
|
Scenario |
Ww |
Wnw |
Sw mph |
Snw mph |
S mph |
Density pcpmpl |
LOS |
Operation of Type |
|
1 |
0.7 |
0.42 |
47.35 |
53.79 |
51.53 |
24.21 |
C |
Unconstrained |
|
2 |
0.65 |
0.34 |
48.35 |
55.94 |
53.58 |
23.29 |
C |
Unconstrained |
|
3 |
0.61 |
0.3 |
49.1 |
57.46 |
55.13 |
22.62 |
C |
Unconstrained |
In all three
scenarios, we find that the LOS is C. Apparently, the LOS isn’t very
sensitive to the distribution of volumes among the four weaving movements.
This indicates that the assumption we make about the weaving volumes
will likely work. It also means that if the distribution changes from day to day,
as it probably does, the facility’s performance will likely remain at LOS C.
This insensitivity
will not always exist. As the overall volumes in the weaving segment
increase, the effect of these variations in the flow distribution will
become more significant.
Variations in the
weaving movement distributions have an affect on the weaving and non-weaving
speeds. As the weaving movements decrease and the non-weaving movements
increase, both the weaving and non-weaving speeds increase. As the weaving
volumes are reduced, there is a decrease in the conflicts that arise in the
segment, allowing the speeds to increase. Therefore, the overall speed in
the weave should also be expected to increase and the density should
decrease.
[
Back ] [ Continue ] with
Sub-Problem 3a
