Description: This is the City of Norfolk's Fire Hydrant layer. It is updated from physical record drawings (Water Intersection drawings, Asbuilts, Plan drawings, field sketches) Surveyed data form GPS or conventional survey. This data is Synchonized with Hansen (Work Order Management System).
Copyright Text: 1999 the original Utilities water infrastucture data was created.
2006 Database Schema updated by City Staff and Michael Baker Corporation.
2006 through 2013 Data collected and compiled by the Department of Utilities and Michael Baker Corporation.
2018 database was updated with the necessary fields to accept coordinate data (Latitude and Longitude in decimal degree format) from GPS or conventional survey.
2014 through current data is updated weekly or daily primarily by Utilities GIS and consultant(s) as necessary.
HORIZ_CONFIDENCE
(
type: esriFieldTypeString, alias: HORIZ_CONFIDENCE, length: 15
, Coded Values:
[1: High – Visible Sub-foot]
, [2: Medium – Visible Sub-meter]
, [3: Low – Greater than a meter and/or based on source documents or utility markings]
, ...1 more...
)
VERT_CONFIDENCE
(
type: esriFieldTypeString, alias: VERT_CONFIDENCE, length: 10
, Coded Values:
[1: High – .01 Foot]
, [2: Low – Data collection technique is unknown]
, [3: None – Used as a place holder]
)
ESRIGNSS_LATITUDE
(
type: esriFieldTypeDouble, alias: Latitude
)