When using MRc5 Option 2 approach --> should we be using the direct distance between two locations? Or the nautical miles between two locations? Specifically, we are looking at materials shipped via barge to the island of Guam, therefore I would think we need to use nautical miles. We found this great tool that might help other people too = http://www.distancefromto.net/
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Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11475 thumbs up
February 13, 2014 - 9:56 am
Megan, the key term in the credit language is "travel distance," so I think you're on the right track with nautical miles.
Jenelle Shapiro
9 thumbs up
February 13, 2014 - 5:57 pm
Thank you Tristan! We also got more clarification from the website designer - based on Riemannian circle theory = the distance between a pair of points is defined to be the length of the shorter of the two arcs into which the circle is partitioned by the two points. Therefore anything shippped via Air or Barge should use the Nautical miles traveled. http://en.wikipedia.org/wiki/Riemannian_circle
Scott Larson
March 7, 2014 - 9:50 am
Good Morning Megan,
Great website for checking distances! Thanks for posting this.
I’d like to share a clarification regarding nautical miles, as I understand them.
Distancefromto.net gives the direct distance over the earth’s surface (great circle or Riemannian circle), including the curvature of the earth, between two locations. Like you said, this is the shorter of the two arcs on the great circle containing the two points. A distance can be described using different units, and I like that the website displays the various units.
A nautical mile is approximately 6,076 feet , or roughly 15% longer than a statute mile which is 5,280 feet. Units of nautical miles are often used in the aviation and shipping businesses, so a shipping company might refer to sending something from, say, Seattle to Guam as 4,930 nautical miles. This is approximately 5,673 statute miles.
Based upon the USGBC’s credit language of “500 miles (800 kilometers)”, statute miles, which we commonly refer to as simply miles, are used for LEED distance calculations. I hope this helps!