Loop leveling video

Here's a link to a video explaining loop leveling.

http://www.youtube.com/watch?v=Y2lueJROUbY

Enjoy!

3.4.1b Loop Survey

Use the readings you took today to determine the HI and ELEV.

• BM - Banchmark
• BS - Backsight
• HI - Height of Instrument
• FS - Foresight
• ELEV - Elevation

HI = BS + (BM or previous ELEV)

ELEV = HI - FS

If you'd like to look through the presentation again, this is activity 3.4.1 Surveying on the LMS