PROJECTS & STREET IMPACTS
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| Providing organization: |
|
Lower Manhattan Construction Command Center (LMCCC) |
| Publish date (most recent update): |
|
November 16, 2009 |
| Providing organization: |
|
Schedule information provided by project managers or from field observation. Polygons are digitized to NYCMAP (City’s photogrammetric basemap) |
| Absolute horizontal positional accuracy: |
|
Approximately +/- 20 feet |
| Update frequency: |
|
Approximately weekly |
| Update source: |
|
Field inspection or feedback received from construction community |
| Data update methodology: |
|
Schedule information provided by project managers or from field observations. Polygons are digitized to NYCMAP |
|
RESTRICTED ACCESS AREA BOUNDARIES & LABELS
|
| Providing organization: |
|
Lower Manhattan Construction Command Center (LMCCC) |
| Publish date (most recent update): |
|
August 7, 2006 |
| Providing organization: |
|
Polygons are digitized to NYCMAP (City’s photogrammetric basemap) |
| Absolute horizontal positional accuracy: |
|
Approximately +/- 20 feet |
| Update frequency: |
|
Approximately bi-monthly |
| Update source: |
|
Field inspection or feedback received from construction community |
| Data update methodology: |
|
Polygons are digitized to NYCMAP |
|
BUILDING FOOTPRINTS
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| Providing organization: |
|
New York City Department of Information Technology and Telecommunications (DoITT) |
| Publish date (most recent update): |
|
Base photogrammetric data: May 2004, latest update: October 26, 2006 |
| Original compilation method: |
|
Photogrammetric stereocompilation with selected updates from new construction and demolition information provided by the New York City Department of Buildings (DOB) |
| Absolute horizontal positional accuracy: |
|
Photogrammetric footprints: +/- 1.67 feet
Updates from DOB data sources: unknown |
| Update frequency: |
|
Approximately bi-monthly (updates performed by the LMCCC) |
| Update source: |
|
Field inspection or feedback received from construction community |
| Data update methodology: |
|
Polygons are digitized to NYCMAP |
|
EDGE OF PAVEMENT
|
| Providing organization: |
|
New York City Department of Information Technology and Telecommunications (DoITT) |
| Publish date (most recent update): |
|
September 2005 |
| Original compilation method:: |
|
Photogrammetric stereocompilation |
| Absolute horizontal positional accuracy: |
|
Base photogrammetric data: +/- 1.67 feet, updates: approximately +/- 5 feet |
| Update frequency: |
|
Approximately bi-monthly (updates performed by the LMCCC) |
| Update source: |
|
Field inspection or feedback received from construction community |
| Data update methodology: |
|
Polygons are digitized to NYCMAP |
|
STREET NAMES LABELS & TRAFFIC DIRECTION ARROWS
|
| Providing organization: |
|
Lower Manhattan Construction Command Center (LMCCC) |
| Publish date (most recent update): |
|
November 20, 2006 |
| Original compilation method: |
|
Labeling of the Department of City Planning's LION street centerline file |
| Absolute horizontal positional accuracy: |
|
All names and arrows are within or adjacent to the relevant street right-of-way |
| Update frequency: |
|
Approximately bi-monthly (updates performed by the LMCCC) |
| Update source: |
|
Field inspection or feedback received from construction community |
| Data update methodology: |
|
Names and arrows are digitized to NYCMAP |
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HYDROGRAPHY (WATER BODIES) POLYGONS & LABELS
|
| Providing organization: |
|
New York City Department of Information Technology and Telecommunications (DoITT) |
| Publish date (most recent update): |
|
May 2004 |
| Original compilation method: |
|
Photogrammetric stereocompilation |
| Absolute horizontal positional accuracy: |
|
+/- 1.67 feet |
| Update frequency: |
|
Infrequent (expected to be no greater than bi-annual) |
| Update source: |
|
Aerial photography |
| Data update methodology: |
|
Photogrammetric stereocompilation |
|
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