Updating to newer programs over the years has created a bit of confusion for the projection parameters. 

This project was based off DOT control points with modified SP numbers scaled up from 0,0.

If you look at the TBC file and check the projection parameters it no longer says state plane zone x like it originally did, but all the numbers are state plane for zone x. The central meridian, scale factor, type of projection, ect. 

However, through all the upgrades the scale point for the local scale modification has shifted slightly, it says N0.1', E0.05' for some reason. One of the other LS's was looking at it and figured it should be changed. I told him that you can, but it won't make a bit of difference. Where the scale point is will only shift the numbers for the coordinates by the difference between the new coordinates for the scale point and the record coordinates for the scale point times the scale factor. 

So a scale factor of 1.0003 will introduce an error of 1.0003 x 0.1=0.10003 then .10003-.1=.00003' of error. Increasing the northing for the scale point to 100 and that will cause a shift of 0.03'. It doesn't matter if the coordinates are 1000' from the scale point or 1,000,000'. The same shift will apply. Of course, seeing the scale point being "off" makes the user feel the resulting coordinates should shift .1', .05', but in reality it's not an issue. The urge to "correct" it is pretty strong. 

My understanding is that an offset from the GPS measured coordinate is based on a magnetic bearing and distance measured from the disto. Also, the magnetic bearing can be corrected for magnetic to geodetic bearing as needed.

There seems to be some accuracy limitations in this technique, but there does seem to be a use for it in general horizontal location.

Does anybody have any experience or input here?

https://www.the-express.com/news/world-news/209387/russia-caught-testing-secret-space

Then in the 2010's after much back and forth FEMA released new mapping. Today that owner wants to re-finance and can't get a loan because the new Zone A in the county mapping GIS shows the house into the flood plain. 

Now the option is to locate the flood plain from the plat, get a new 88 elevation BFE from that and do an elevation cert from the platted flood plain. Or, hire a new engineer, redo the entire process and get the new BFE that way. From our experience the first engineer who did the flood mapping  is quite good at it. Floods we have seen where he did mapping are spot on. Of course the new Zone A is a joke, much like the previous one, some of the water course isn't even covered by the Zone A very near the house. 

So my question is: will FEMA accept the original flood plain if stated as platted, or does a new study need to be completed. This is a mountain stream, not subject to accretion or avulsion, it's remained in place since the 80's since the huge rocky bed isn't going anywhere, or at least we haven't had the 1000 year flood that might move something. 

• Added a Transcribe & Compare tool that will load two deeds side by side to extract and transcribe the full legal descriptions and then highlight any differences between the two transcriptions. This tool can find transcription errors in newer transfers and extract the text of legal descriptions in its original formatting.
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• Added the ability to process and generate a plot from a CSV file in PNEZD format.
  
  
• Improved the KML tool to allow manual entry of latitude and longitude, plot lines and support centerline descriptions.
  
  
• Added additional curve calculation methods and fields in the Call Table to support curves tangential to the next call and calculate curves when a radial bearing to the PT is provided.
  
  
• Added the ability to detect and automatically load POC or POB coordinates.
  
  
• Added Easement and CC&Rs (Covenants, Conditions, and Restrictions) fields in the Deed Info. A description of each Easements and CC&R is automatically extracted and loaded into the Deed Info table.
  
  
• Added Abbreviate Monuments & Adjoiners option to replace customizable keywords for monuments and adjoiners with abbreviations.
  
  
• Added the ability to create and save PDFs of plots with larger Arch C and Arch D paper sizes.
  
  
• Added the ability to click on a line in the Plot to have it highlight the text of the call and highlight it in the Call Table.
  
  
• Added the ability to customize the fields that are displayed for curve labels with a Curve Info Format option in the Configuration Options.  

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For a crew it's a morning of staking, probably will need to return for some details on a small rip rap structure, maybe they will eyeball that in. 

But what struck me is how we've turned into the CYA nation. Can't blame the engineer, all those notes basically say: it's not our fault or responsibility to do,,,,,,,,,,,anything. 

Instructions on a shampoo bottle stuff. 

If so this seems dumb as hell.  How do you guys that do staking jobs handle it?