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https://www.osha.gov/laws-regs/regulations/standardnumber/1926/1926SubpartPAppB
The requirements of this appendix apply when the design of sloping and benching protective systems is to be performed in accordance with the requirements set forth in § 1926.652(b)(2). (b) Definitions. Actual slope means the slope to which an excavation face is excavated.
http://utilitycontractoronline.com/back-to-basics-sloping-and-benching/
Sep 12, 2013 · Back to Basics: Sloping and Benching by admin It is an OSHA requirement that all workers in trenches 5 ft or more in depth (some states 4 ft deep) must be protected by a trench protective system (sloping, shoring and shields).
https://tools.niehs.nih.gov/wetp/public/Course_download2.cfm?tranid=4435
the conduit must support. APPENDIX B Bench Systems for Type A Soil For simple bench systems in TYPE A soil and a trench depth of less than 20 feet, the steepest maximum allowable slope is 53 degrees from the horizontal. This translates to a 0.75H: 1V incline and is shown below.
https://sites.google.com/site/excavationsite/appendix-b
The requirements of this appendix apply when the design of sloping and benching protective systems is to be performed in accordance with the requirements set forth in § 1926.652(b)(2). (b) Definitions. Actual slope means the slope to which an excavation face is excavated.
https://www.codepublishing.com/WA/DouglasCounty/html/DouglasCounty15/DouglasCounty1536.html
15.36.150 Maximum slope. Slopes shall be no steeper than is safe for the intended use. Maximum slopes shall be no steeper than two horizontal to one vertical (fifty percent). A soils report from a professional engineer as part of an approved development permit may be submitted for acceptance in order to support a steeper slope. (Ord. TLS 09-01 ...
http://www.dot.state.oh.us/Divisions/Engineering/Geotechnical/Geotechnical_Documents/GB2_Special_Benching.pdf
slope, and inhibits the development of a shear plane along the interface with the existing ground and the new fill. If the reconstructed fill is well compacted and built with a stable slope, any potential shear surface will be forced deeper, below the special benched fill, thus improving the …
https://glosbe.com/en/en/benched%20slope
The factors considered include, among other things, the lithology, degree of weathering, overburden soil cover, geologic structures such as jointing or fracturing, engineering properties of the aggregates, operational difficulties such as benching, blasting and rock slope stability, and …
https://web.mst.edu/~rogersda/umrcourses/ge441/online_lectures/mass_grading/GE441-Lecture1-4.pdf
Another important aspect of grading inspection is to verify if deleterious materials, such as roots, trees and organic debris, are buried in the embankment.
https://www.dot.ny.gov/divisions/engineering/technical-services/technical-services-repository/GEM-12b.pdf
GUIDELINES FOR EMBANKMENT CONSTRUCTION GEM-12 Revision #4 STATE OF NEW YORK ... The newly placed fill tends to slide down the slope of the hillside or the existing ... may also be effective as a separating membrane to help support the high construction loads.
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