Survey Maps : CAD vs. Hardcopy

Kent McMillan · 2011-04-29T05:36:27Z

I'm sure it's just me, but it never ceases to amaze me how some surveyors consider CAD files to be the equivalent of paper copies of maps. I don't pass out CAD drawing files of boundary survey maps, but don't mind giving a paper copy or a pdf in most cases.I got a call today from a local surveyor who wanted to have the CAD file of a map I'd made about nine years ago of a remarkably complicated survey of a postage-stamp-sized parcel of land that was about to have 6,000 square feet of new construction shoehorned onto it. It's the sort of thing I'd expect of an architect, not a surveyor.This is a case where the boundary of the parcel as determined by my survey is described in great detail in the public record, including explanatory notes. The metes and bounds description gives +/-5mm coordinates in the Texas Coordinate System of 1983, so it's not as if finding any of the monuments described ought to be a challenge. The other surveyor told me he was working for a company that had been hired to do various tasks of construction surveying on the site and that was what rang all the alarm bells, considering how tight the site is, how expensive mistakes will potentially be, and the fact that both of the owners are attorneys. I would ordinarily assume that any surveyor hired to lay out construction and produce as-builts in relation to the parcel boundary would also do an adequate amount of surveying to actually determine where the boundary is and survey his or her own control points. I can mainly see a potential for inappropriate use of the digital data to try to shortcut what needs to be done.What did I miss?

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Strictly Surveying

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eapls2708

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Forget it then

If I can't get the mon pictures with the surveys, it ain't worth it! I was gonna frame them together and hang them in my office as inspiration too. I'll just get the hardcopies and recalc them if I need to.

I couldn't find the coupon anyway.

Posted : May 2, 2011 11:34 am

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Survey Maps : CAD vs. Hardcopy

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