Articles by Wesley G. Crawford RPLS

Back to Basics: Quick setup with a laser plummet.

The radio crackles. “Hey, could you come over here right away and give me line on the wall forms?” a voice asks. “I’ve got 15 people waiting to pour concrete.”
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Back to Basics: Fieldwork tips.

Is there a way to make measuring in the field easier and more accurate? Yes, numerous strategies are used by surveyors to simplify their fieldwork. This column describes a few successful procedures that I have used personally or have heard of others using.
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Back to Basics: Turning 50

No, not my age … I passed that a few years ago. I’m referring to the number of articles I have written for POB over the years, including this one.
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Back to basics

With a little research, I found that the expression "rule of thumb" has been historically recorded since the year 1692 and probably was used decades or even centuries before then. It meant then what it means now: some method or procedure that comes from practice or experience, or a rough and useful principle or method based on experience rather than precisely accurate measures.
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Back to Basics: String lines.

Strings were essentially the only method used to maintain the control lines used to construct buildings, bridges, canals, tunnels or highways.
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Back to Basics: Intersecting line layout.

This method of layout is quick and accurate and easily used by anyone who can set up an instrument over a point.
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Back to Basics

Common-sense checks of construction layout.
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Back to Basics

It's important to test angle-measuring instruments to make sure they will perform as expected in the field.
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Contributing Editor's Note

One only needs to look back at some of the great American leaders who were surveyors to realize the significance and respect that their surveying skills and knowledge commanded in their lives.
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Back to Basics

This is the first of a two or more part series on performing surveying measurements single-handedly.
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HxGN Live

More than 3,500 attendees from more than 70 countries attended HxGN Live, the annual Hexagon AB user conference, at the MGM Grand Hotel & Casino in Las Vegas on June 3-6. About 450 keynotes and panel discussions were held, and several companies from around the world exhibited their geospatial products. Here are a few snapshots from the event.


POB January 2015 Cover

2015 January

In this January 2015 issue of POB, we take a look at integrated technologies that provide real-time 3D measurements of a Brisbane construction site.

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Unmanned Aerial Systems (UAS)

With the unmanned aerial system (UAS) presence growing in surveying, you will in 2015:
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