At OHM Advisors' October 2015 Asset Management Planning Workshop in Midland, MI, Mike Cousins, GISP, presents new, more efficient, and cost-effective methods of field data collection. Using tablets and specialized software, information can be collected on various assets three times faster with greater accuracy.
4. Old Method of Data Collection
• Digital Camera
• Only used for special circumstances
• Required confined space entry
GPS Unit
Pen and Paper
Tedious Data Transfer Step
6. • Samsung Galaxy Tab S or iPad Air
• Garmin GLO External Satellite Receiver
• Verizon mifi Mobile Hotspot
• Trimble TerraFlex Software
• Collector for ArcGIS Software
New Method of Data Collection
7. Pros/Cons - Old Method
Pros
• Accuracy – sub-foot
Cons
• ~5-10 mins just to turn on and open
• ~5 mins to lock onto satellites
• Post process data
• Manually tie photos to points
• $$$$ - Total package is over $12,000!
• Not including man hours on the backend
8. Pros
• Quick, easy data collection
• Nice forms
• Easy to hand place points if GPS signal is not great or if it
is not safe to collect a point onsite
• Ties photos directly to points
• No post processing
• Limited time on the backend
• Nice exports (KML-Google Earth, CSV -Excel, GIS GDB)
• $$$$ - Total package with 2 tablets ~$1,000
Cons
• Accuracy - 1-3m
Pros/Cons - New Method