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Old 12-20-2007, 12:29 PM
mdvaden's Avatar
mdvaden mdvaden is offline
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Join Date: Mar 2003
Location: Westside Oregon
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Originally Posted by AGLA View Post
Nothing is going to be better than measuring it on site. It gives you a chance to see the conditions directly.

There are lots of ways to measure quickly and accurately even when dealing with odd shaped areas. One of the easiest is the average width method. You measure the full length of an area and then lay a tape 90 degees to that and figure about where the average width is while using the first tape as a guide. Then you simply use length times width.

Any aerial photo is taken from an angle and is distorted. They make a nice reference, but measuring from one is not the best thing both because of distortion and misinterpretation.
For installs, I'd agree that measuring from a satellite image or similar would be a recipe for catastrophe.

For maintenance, I'd expect it to be within a margin of error, provided at least one thing was measured on-site for reference like a building, etc..

But if there is a lot of tree canopy, etc., even that could be a recipe for problems.

But it works great for gutter cleaning companies - I know someone doing great in business and providing accurate estimates with satellite images to see the roof lines and gutters.
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Old 12-20-2007, 12:37 PM
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John Zaprala John Zaprala is offline
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Join Date: Feb 2006
Location: Exton, PA
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When i do sod estimates I section off the property into rectangles and do the average width, works fine for me... and i know this has been said before, but there is value to being more personal with your clients.
"Well, I am certainly wiser than this man. It is only too likely that neither of us has any knowledge to boast of, but he thinks that he knows something which he does not know, whereas I am quite conscious of my ignorance. At any rate it seems that I am wiser than he is to this small extent, that I do not think that I know what I do not know."-Socrates
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