FY27 DCA - 3DHP Data Validation Timeline 1
Updated
A PDF document (258 KB) attached to Broad Agency Announcement (BAA) 3DNTM, from the US Geological Survey. Due Dec 4, 2026, 5:00 PM (UTC-5).
File name: FY27_DCA_3DHP-E_-_3DHP_Data_Validation_Timeline_1.pdf
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US Geological Survey
3D National Topography Model Data Collaboration Announcement 3D Hydrography Program
3DHP-E: Estimated Timeline for 3DHP Data Validation
The following is an estimated timeline of the data validation process after data is delivered to the USGS. Data will not be accepted by 3DHP until it has passed validation. This document is a guideline only and actual dates may vary.
Larger projects may be broken into smaller blocks each known as a “work unit”. These work units are delivered to USGS by the data provider often in staggered deliveries with one or more work units in each delivery. Some projects may be small enough to be delivered as one work unit. The USGS reviews each work unit individually.
After a work unit is delivered to the USGS it is assessed to ensure the data were delivered in the proper format. Following confirmation of proper data formatting, the validation process will begin. The initial review process can take up to ninety (90) days after the work unit is delivered to USGS. Feedback is submitted to the USGS point of contact who communicates it back to the partner and/or data provider. Data providers have sixty (60) days to provide data corrections if requested. USGS has thirty (30) days to complete the review of the corrected deliverables. If the data still require corrections after evaluation, the correction cycle will be repeated. As soon as a work unit has been validated, the Elevation Derived Hydrography (EDH) is ready for ingestion into the 3DHP dataset and publication on The National Map. This process of validation and ingestion/publication is repeated for each work unit that comprises the entire project. Validated and ingested data will be available through The National Map 3DHP services at the next scheduled quarterly update. Static versions of 3DHP will be made available for download annually. The figure below illustrates the estimated timeline of a project from delivery to the USGS through publication on The National Map
FY27 3DHP-E: Estimated Timeline for 3DHP Data Validation
US Geological Survey
3D National Topography Model Data Collaboration Announcement 3D Hydrography Program
Work Unit 1
Initial
Review
90 days
Corrections
Requested
60 days
Review
Corrections
30 days
Corrections
Requested
60 days
Review
Corrections
30 days
Work Unit 2
Initial
Review
90 days
Corrections
Requested
60 days
Review
Corrections
30 days
Corrections
Requested
60 days
Review
Corrections
30 days
Work Unit 3
Initial
Review
The beginning of the document. Download the full file to read on.
Other documents in this bid
- 3DNTM DCA Broad Agency Announcement Program Announcement 1
- FY27 DCA - DCA Project Summary Form v1 1
- FY27 DCA - Instructions for Creating 3DEP Defined Project Area and Tile Delivery Scheme 1
- FY27 DCA - Project Planning Estimate 1
- FY27 DCA - Validation of Proposed Funding Partners 1
- FY27 DCA -3DEP Data Validation Timeline 1
- FY27 DCA - DCA Project Summary Form v1 1
- FY27 DCA - Instructions for Creating 3DHP Project Boundaries 1
- FY27 DCA - Request for Planning Project Estimate 1
- FY27 DCA - Validation of Proposed Funding Partners 1