Some could be adopted easily, while others
veals that the following measures are selected
would involve large expenditures and ambitious
for consideration:
construction or rehabilitation programs. More-
Departure
over, since there is such a wide range of naviga-
from
tion project ages, conditions, traffic levels, func-
existing
Automation measure
Level
Purpose
procedure
tional designs, and operating equipment, a
project function that would be straightforward
Controlling the opening
D
b
N
and closing rates of lock
to automate at one project could prove compli-
filling and emptying valves
cated to automate at another project. These dis-
Latching lock gates in their
C
a
M
tinctions cannot be addressed in detail in this re-
recesses
port.
Interlocking lock gate open-
C
a
L
However, a portrayal of the candidate auto-
ing with gage readings on
mated project functions is needed that allows
both sides of the gate
them to be described according to the automa-
Controlling closure of
D
b
L
tion characteristics (level, purpose, etc., de-
miter gages needing a
scribed in Table 1). Therefore, Table 5 has been
specific sequence
prepared to present the navigation project func-
Monitoring and controlling
B
b
L
tions and their associated automation opportu-
sump pumping equipment
nities in a matrix format along with the determi-
at locks
native characteristics that have been judged to
As another example, suppose a proposal for
best describe each of the 43 potential automation
automation was desired that was based primari-
measures. The judgments used in assigning the
ly on improving the safety of operations, and yet
determinative characteristics to each automation
would represent little or no departure from ex-
measure have been based on analysis of the au-
isting operating procedures. A sorting of the
tomation survey and on the information collect-
data of Table 5 for Safety in the Purpose catego-
ed during project visits. These judgments could
ry, and for L or N in the Departure from Existing
change as further studies are performed.
Procedure category, would yield the following
It is important to emphasize that the judg-
automation measures for consideration:
ments made in developing Table 5 are general.
When a specific navigation project is considered,
Difficulty of
Cost of
a different profile of characteristics is likely to
Automation measure
Level implementation implementation
emerge from the same judgmental process, due
to that project's unique set of features.
Balancing filling and
A
M
M
emptying flows between
The matrix format of Table 5 allows selec-
lock chamber sides
tions, comparisons, sortings, or rankings to be
Programming filling and A
M
M
made among the project functions and automa-
emptying valve operation
tion alternatives. These processes can be done on
for various vessel types
a global basis for developing general Corps of
Interlocking lock gate
C
L
L
Engineers policy and guidelines for operations
opening with gage read-
and management. Or, on a project-specific basis,
ings on both sides of the
the selections, comparisons, sortings, or rank-
gate
ings could be performed after development of a
new project-specific matrix modeled after Table
At present, the data contained in Table 5 are
5. Results of the project-specific approach would
not extensive enough to place in a database, and
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