Donald E Robinson, PLS, CFS
  • Graham, NC
  • United States
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Donald E Robinson, PLS, CFS replied to John J Rodriquez's discussion Survey Abstract Coordinates
Wednesday
Donald E Robinson, PLS, CFS is on spot light
Jan 15
Donald E Robinson, PLS, CFS replied to Chuck Turlington's discussion Mean Sea Level (MSL)
"The engineer may need elevations referenced to mean sea level (MSL) because it is required by local government or he/she needs to compare the existing elevations to local flood maps and so on. Below is a link to NGS's data maps with horizontal…"
Jan 15
Donald E Robinson, PLS, CFS replied to Alyssa Fournier's discussion As- built pipeline surveying
"Alyssa, Safety should be your priority . Canada should have some type of safety requirements for excavation, such as shoring and/or trench slopes, which would permit someone to enter the work area safely. If not, my suggestion is to have the pipe…"
Jan 4
Donald E Robinson, PLS, CFS replied to Christopher Eriksen's discussion GPS elevation issues
"It may be the position of the satellites at the time of observation.  If the satellites orientation are near the horizon you will get higher error for elevations. Check your PDOP (position dilution of precision)"
Dec 3, 2018

Profile Information

Surveyor Bio:
Started Surveyin ing 1972 in Broward County, FL.
Have been in NC since 1995
Company
Donald E Robinson Land Surveying
Licenses Certifications or Awards
NC Professional Land Surveyor
NC & FEMA Certified Floodplain Surveyor
I have experience with the following
GPS, cadastral, topographic, boundary surveys, construction staking, topographic surveys, control network surveys, GIS, Survey Office, Construction, Other
How many years have you been surveying?
9.9
Most comfortable with the following types of instrumentation
Total Stations, Surveying Software, Automatic Levels

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At 5:23pm on January 5, 2017, Brad King said…

Thanks Donald. I hate to go backwards, but I'll keep that in mind.

 
 
 

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