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OCR for page 31
31
Bridge
Internet
Management
System
Contracts
System NBMD NBMD NBMD
Collection Dataset Public
Fleet Module Dataset
Management
NBMD
Maintenance XML Host NBMD
Crew Cards documents Web Site User
Materials
Management
Existing New
Figure 5. Path for maintenance data.
NBMD Tables reporting period. Reporting periods can be a calendar year,
a fiscal year, an inspection biennium, or other convenient
There are 13 data tables in NBMD datasets. These are listed reporting period. NBMD anticipates that one bridge will have
in Table 25. one maintenance event of a given work-type within one report-
NBMD datasets are temporal. Each dataset contains com- ing period. One bridge may have more than one event, entail-
plete data for bridges and maintenance work for a defined ing different work-types, within one reporting period.
Table 25. NBMD data tables.
NBMD Table Description
Activity_Definition_Table Mapping of DOT actions to NBMD descriptors.
Contact information for agency providing bridge maintenance,
Contact_Table
condition and inventory data.
Element_Definition_Table Mapping of DOT bridge elements to NBMD descriptors.
Element_Inspection_Table Element-level condition data adapted from Pontis' eleminsp table.
Unit costs of maintenance actions generated by NBMD viewer
Element_Unit_Cost_Table
utility.
List of NBI and element-level inspections before and after
Inspection_Cross_Reference_Table
maintenance events.
NBI condition and appraisal ratings collected from Pontis' inspevnt
Inspection_Event_Table
table or from NBI files.
Line counts for NBMD data tables. Generated by NBMD_Size
NBMD_Size
utility.
Maintenance work activities, production (accomplishment), and
Production_Table
costs.
Mapping of DOT equipment, labor, and material IDs to NBMD
Resource_Definition_Table
descriptors.
Equipment, labor and material types, quantities, and costs for
Resource_Table
maintenance events.
Route inventory data, mostly NBI fields, collected from Pontis'
Roadway_Table
roadway table or from NBI files.
Bridge inventory data, mostly NBI fields, collected from Pontis'
Structure_Table
bridge table or from NBI files.
