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Ralph Perez
@ralph-perez
Joined: July 2, 2010 2:55 am
Topics: 48 / Replies: 1214
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RE: I could see the fumes

This is comical, to my recollection the only thread longer than this one was Bill McComber's Eulogy thread on the old RPLS.com. About 13 or 14 years a...

11 years ago
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RE: Questions of Gravity

> Ocean surface topography> > says up to 2 m variation around the world. I seem to recall that the west coast is higher than the east coast.....

11 years ago
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RE: Questions of Gravity

> Ocean surface topography> > says up to 2 m variation around the world. I seem to recall that the west coast is higher than the east coast.....

11 years ago
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RE: Ellipsoids, Datums, and Geoids

> Ralph, thanks for the good link. I was thinking gravity measurements were taken on the ground. In an airplane you could sure cover a lot more ear...

11 years ago
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RE: Ellipsoids, Datums, and Geoids

> Hi Dave,> > I'm probably completely out to lunch, but here goes.> > I think a geoid affects a raw GPS measurement not at all, or only...

11 years ago
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RE: Ellipsoids, Datums, and Geoids

> Thanks, Ralph.> > "In order to get into this stuff in depth, you're going to have to study things like orthometric height, ellipsoid height...

11 years ago
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RE: Ellipsoids, Datums, and Geoids

> The Ellipsoid is a best fit approximation of the Geoid so the 2 aren't necesarily coincident and there are places where the separation is pretty ...

11 years ago
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RE: Ellipsoids, Datums, and Geoids

The Geoid, is the definition of the shape of the Earth based on a Gravity model. Since the Geoid is so irregular this is no way of defining it mathema...

11 years ago
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RE: Questions of Gravity

Gravity is affected by the density of the underlying mass, it isn't necessarily a matter of elevation. There are places on this planet where water fl...

11 years ago
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RE: Pics from the "field"

> Lack of fall protection is the number 1 OSHA violation, which corresponds to the #1 cause of worker deaths...falls (36%).I agree with that, howev...

11 years ago
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RE: Pics from the "field"

> > I understand all that, I just do not see an "unreasonable risk"? No one is hanging off the sides of the building. There would be as much ris...

11 years ago
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RE: How busy are you?

> > IMO, one of the keys to our success was firing some of our clients.:good: :good:

11 years ago
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RE: Pics from the "field"

On most> of the job sites on which I have worked OSHA regulations are WAY exceeded by the requirements of either the contractor or the client. OSH...

11 years ago
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RE: Pics from the "field"

> I can appreciate the size of y'all's projects and what a crane collapse can do. I've seen, offshore, a deck crawling Manitowac boom fall and slic...

11 years ago
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RE: Pics from the "field"

> It seems like that the rule should apply evenly, if for nothing else, demonstrating proper safety practice. I'm not sure the laws of gravity appl...

11 years ago
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RE: Pics from the "field"

You would never be able to do that in NYC without a Harness, tieback or some sort of railing. Even if it's OK with OSHA, it won't be ok with the fire ...

11 years ago
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RE: Pics from the "field"

> What would OSHA have to say about the absence of fall protection in those shots?How did I guess you would bring up OSHA?

11 years ago
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RE: A Slap In The Face To The Profession Of Surveying

The Same Brinker Who Wrote Surveying Textbooks ?> I also have his book "4444 Review Questions For Surveyors", which I think is the 1975 version wit...

11 years ago
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RE: A Slap In The Face To The Profession Of Surveying

The Same Brinker Who Wrote Surveying Textbooks ?> > > > Are you saying you studied under Admiral Russell C. Brinker?> > Don't know a...

11 years ago
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