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Per Engineering Regulation 1130-2-520, USACE’s NDC and WCSC are responsible for collecting, compiling, printing, and distributing all domestic waterborne commerce statistics for which the USACE has responsibility. Per a 1998 Office of Management and Budget (OMB) memorandum, the WCSC inherited the requirement to include foreign waterborne commerce formally executed by the U.S. Census Bureau. Performance of this work is in accordance with the Rivers and Harbors Appropriation Act of 1922 (33 USC 555).
Engineering Regulation 1130-2-520 defines a port as:
(1) Port limits defined by legislative enactments of state, county, or city governments.
(2) The corporate limits of a municipality.
At minimum, the feature class includes the following attribution:
Attribute Name |
Definition |
Data Type |
Length |
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featureDescription |
The narrative describing the feature. This attribute column will describe how the statistical port boundary was generated using GIS. It can include the legislative description, a note that the U.S. Census Bureau municipal limit was used, or other details. |
String |
Max |
||||||
featureName |
The common name of the feature. This will be the port name as defined by the legislative enactment or the municipality. Each name should include which State(s) the port is located (ex. Louisville-Jefferson County Riverport Authority, KY). |
String |
80 |
||||||
installationId |
The codes assigned by the DoD Component used to identify the site or group of sites that make up an installation. This field will remain empty, as the project focus is not on military installations. |
String |
11 |
||||||
mediaId |
Used to link the record to associated multimedia records the reference data. The number used in this column will reference a related “mediaId” table that will store the source document for appropriate legislation or municipality limit reference. |
String |
40 |
||||||
metadataId |
Used to represent or link to feature level metadata. For this project, a common code for the port area geometry source will be employed.
|
String |
80 |
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portIdpk |
Primary Key. A unique, user defined identifier for each record or instance of an entity. This will be the existing four-digit port code maintained by WCSC in TOWS. A crosswalk table will also be created by the PM that correlates legacy TOWS port codes to new UN LOCODE information. |
String |
40 |
||||||
sdsId |
The unique identifier for all entities in the SDSFIE. This field will remain empty and will be populated by HQUSACE if sdsID identifiers become necessary to report. |
GUID |
|