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Engineering | Architecture | Design-Build | Surveying | Planning | Geospatial Solutions
Houston Galveston Area Council March 1, 2017
USGS 3DEP LiDAR
Program
USGS Broad Area
Announcement Grant Process
Jamie Young CP, CMS-L, GISP
Gary Outlaw VP Business Development
Steve Kasten VP Survey & Photogrammetric
Engineering
Cornell Rowan Project Manager
Ed Turner VP Business Development
USGS LiDAR Program
Topics
USGS BAA Grant Process
USGS Compliant LiDAR
Top 10 LiDAR Benefits
PREXXXX 3
BAA Grant Process
USGS Liaison – Claire Devaughan
[email protected] #512-927-3583
Apply ground-breaking LiDAR technology to acquire and distribute 3D data
Address a broad range of critical applications of national Significance
Provide 3D data including surface elevations and natural and constructed features
3DEP increases the quality level of LiDAR being acquired to enable more accurate understanding, modeling, and prediction
Goal to acquire national coverage in 8 years
PREXXXX 4
BAA Grant Process
What is the 3DEP Elevation Program?
34 federal agencies, 50 states, sampling of local Govt’s, tribes, private and non-profit organizations
Increase investment in 3D data from $45m to $146M annually to return more than $690 million annually in new benefits
Leverage collaboration among Federal, States, local, private and other partners to systematically complete national 3D data in 8 years
Use Private industry mapping firms and create jobs
Achieve 25% cost efficiency gain by collecting larger projects
Refresh National elevation data holdings with new LiDAR
PREXXXX 5
BAA Grant Process
How it works
Stakeholders complete a grant application identifying proposed funding partners and developing a technical approach for a prpoject.
Typically cost per sq mile for QL2 is between $190 and $330
If stakeholder wants higher than QL2 or more products USGS will not contributed to these products but having higher Quality level or more products can’t hurt your award potential and could actually improve it.
Selection can improve if stakeholder contributes more than USGS
Selection is also improved by USGS if other federal agencies have interest in the proposed project area such as – NOAA, FEMA & NRCS.
PREXXXX 6
BAA Grant Process
BAA Funding
USGS $6.5M
FEMA $2.1M
NRCS $5.8M
Non- Fed $12.5M
Total $27.7M
Sq. Miles 121,000.00
Per Sq. Mile $228.92
Additional investments made in FY16 that will be contracted in FY17
FY15 -$39M and 150,000 Sq. Miles
FY16 3DEP Partnership Projects
PREXXXX 7
BAA Grant Process
Received 42 proposals in 26 states
Total Value of $33.0m
152,000 sq. miles
Partners offering
$19.8M and seeking $13.2M from 3DEP
Issued 24 awards
$5.9M Federal Funds
Additional awards under consideration
FY17 Preliminary Results of Proposals
PREXXXX 8
Planning Resource: seasketch
http://www.seasketch.org/#projecthomepage/5272840f6ec5f42d210016e4
PREXXXX 9
BAA – Can Submit Anytime.!
https://nationalmap.gov/3DEP/BAAReferenceMaterials.html
• Can Submit BAA Application any time now
PREXXXX 10
Collector Tool
https://cms.geoplatform.gov/elevation/3DEP/Propose3DEPAOI
PREXXXX 11
USGS NGP LBS V1.2
USGS National Geospatial Program Lidar Base Specification Version 1,2 November 2014 (B11-Chapter 4).
Standardize the Data For USGS.
and acceptance into 3DEP( formally
NED ).
• Way to ensure requirements are met.
• LiDAR Data continues to improve
so set specifications to adapt to better
Data.
http://pubs.usgs.gov/tm/11b4/pdf/tm11-B4.pdf
PREXXXX 12
USGS NGP LBS V1.2
For the data to be included into 3DEP and to have a chance for BAA Funding it needs to be QL2 Data or better.
PREXXXX 13
Swath Repeatability
Why we use Optech Galaxy Sensors
PREXXXX 14
USGS NGP LBS V1.2
Summary of QL2 Specifications
2 points per meter, minimum 90% of cells, First return check
Vertical accuracy is 10cm or better for Non vegetated areas
Vegetated is 29.4cm at 95% confidence level
Accuracy Check Done using ASPRS Positional Accuracy Standards for Digital Geospatial Data v1.0 November 2014
100 meter buffer around project area
Use multi-return sensor
Classification Standards
Data has to be delivered in USGS Coordinates and Datum
NAD83(epoch 2010), NAVD88, Geoid 12A, UTM FEET*
Regularly point samplings (90 % of cells contain at least 1 return)
PREXXXX 15
USGS NGP LBS V1.2
Summary of QL2 Specifications (cont.)
Ground conditions: snow free, Leaf off as best as possible, no flooding or water inundation
Check accuracy of data using calibrated raw Strips
Relative accuracy of the data is 6cm within Swath and 8cm between Swaths, max swath difference 16cm
Data reported in standard GPS time
accuracy reported as NVA points and VVA points based on project size
Data provided in ASPRS LAS1.4 Format
Hydro-flattened and hydro conditioned Breaklines
PREXXXX 16
USGS NGP LBS V1.2
Point Classifications
These are the minimum requirements.
PREXXXX 17
USGS NGP LBS V1.2
Hydro Flattening
Water bodies of 8000m(2) or greater surface area at the time of collection shall be flattened.
Flattened water bodies shall present a flat level water surface
Water-surface edge shall be at or below the immediately surrounding terrain
Long impoundments –such as reservoirs, inlets, fjords, whose water surface elevation decrease with downstream travel will be treated as streams or rivers
Inland streams and rivers of a 30-m (100-ft) nominal width shall be flattened
Streams or rivers whose width varies above and below 30 meters will not be broken into multiple segments.
PREXXXX 18
USGS NGP LBS V1.2
Hydroflattening (cont.)
Flattened streams and rivers shall present a flat and level water surface bank to banks
Flattened streams and rivers will be monontonic displaying downward flow
Note that the new specification may require the Hydro to comply with NHD standards to be used in that data set
PREXXXX 19
USGS NGP LBS V1.2
Tidal Hydroflattening
Any water body that is affected by tidal variations
Within each water body, the water surface shall be flat and level for each different water surface elevation
Vertical discontinuities within the water body resulting form tidal variations during collection are considered normal and shall be retained in the final DEM
Horizontal discontinuities along the shoreline of a water body resulting from tidal variations during collection are considered normal and shall be retained in the final DEM
Islands 4000m(2) (1 acre or larger shall be delineated within all water bodies.
PREXXXX 20
USGS NGP LBS V1.2
Deliverables
LAS Raw strips (calibrated)
LAS fully Classified
Hydro breaklines (geodatabase, Shape file)
Hydroflattened DEM in IMG format or as required
Intensity images
Metadata (FGDC compliant) XML format
Collection report
Survey report
Processing Report
Other as need or required by Partner
PREXXXX 21
USGS: Top 10 LiDAR Benefits
Flood Risk Management
Infrastructure and Construction Management
Natural Resources Conservation
Agriculture and Precision Farming
Water Supply and Quality
Wildfire Management, Planning & Response
Geologic Resource Assess/Hazard Mitigation
Forest Resource Management
Coastal, River and Stream Resource Management
Land Navigation and Safety
PREXXXX 22
Thank You – Questions?