Surveying 101: Difference between revisions
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=Tools= | |||
<html><iframe width='500' height='300' frameborder='0' src='https://docs.google.com/spreadsheet/pub?key=0Al0OZR0jopGfdDczRGdmZXNVRHoybE1tRl9aVHhqNkE&output=html&widget=true'></iframe></html> | <html><iframe width='500' height='300' frameborder='0' src='https://docs.google.com/spreadsheet/pub?key=0Al0OZR0jopGfdDczRGdmZXNVRHoybE1tRl9aVHhqNkE&output=html&widget=true'></iframe></html> | ||
*Contractor's site level - shoots vertical intervals - drop in stairstep. Vertical intervals are equal unless there is huge variation in slope. Contractor's level is by Berger at Home Depot. | |||
*Contractor's site level | |||
* | *[http://www.forestry-suppliers.com/product_pages/View_Catalog_Page.asp?mi=7828&title=topcon%AE+rl%2Dh4c+self%2Dleveling+laser+level Laser level] - online - quickest is Forestry Supply has good options. Robust. No hassle. Self-leveling laser - where you don't have to do a bubble to level. Must have 360 deg compass on it. Laser shoots 360 degrees. Shoots lo less than 1000 feet in shooting length. TopCon brand. | ||
* | *[http://www.forestry-suppliers.com/product_pages/View_Catalog_Page.asp?mi=5633&title=crain%AE+rectangular+fiberglass+telescoping+leveling+rod Stick] - Forestry Supply - 16' stick. Reads in 10ths of inch. Read the back of it, so distance from ground rather than absolute. | ||
*Weedwhacker + chainsaw. Offset 10' from trees if trees are in the way. | *Weedwhacker + chainsaw. Offset 10' from trees if trees are in the way. | ||
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=Procedure= | =Procedure= | ||
Shoot vertical intervals first (slope). Set up horizontal intervals (following contours, creates aspect) later. Then put the grid down. | Shoot vertical intervals first (slope). Set up horizontal intervals (following contours, creates aspect) later. Then put the grid down. | ||
*2 foot drop standard. May need to 4' at high slope like 10%. | |||
=Design= | =Design= | ||
Revision as of 16:55, 29 June 2012
Tools
- Contractor's site level - shoots vertical intervals - drop in stairstep. Vertical intervals are equal unless there is huge variation in slope. Contractor's level is by Berger at Home Depot.
- Laser level - online - quickest is Forestry Supply has good options. Robust. No hassle. Self-leveling laser - where you don't have to do a bubble to level. Must have 360 deg compass on it. Laser shoots 360 degrees. Shoots lo less than 1000 feet in shooting length. TopCon brand.
- Stick - Forestry Supply - 16' stick. Reads in 10ths of inch. Read the back of it, so distance from ground rather than absolute.
- Weedwhacker + chainsaw. Offset 10' from trees if trees are in the way.
- Always go in one direction.
- Need a scale map of property.
Procedure
Shoot vertical intervals first (slope). Set up horizontal intervals (following contours, creates aspect) later. Then put the grid down.
- 2 foot drop standard. May need to 4' at high slope like 10%.
Design
- Chapter 2-3 Mollison - erosion pattern - dendritic pattern
Design: 5% slope not good for animals, west face not good.
Ask Parker on full soil report.