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Motor grader road maintenance guide

Discussion in 'Motor Graders' started by Cat 140M AWD, Mar 8, 2020.

  1. Cat 140M AWD

    Cat 140M AWD Well-Known Member

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    Occupation:
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    Location:
    Montrose S.D
    69E72836-CCAF-4BEB-898D-280D503F531F.jpeg 806EEEE4-3C21-403E-9D00-9FFBABD1D932.jpeg 5B472ABC-6B28-4924-A8BC-221C9676DFE5.jpeg 3CAF96B5-E8A4-496A-8134-BF47A8E44C65.jpeg Here our pictures of the handout I use to teach hands on Motor grader training with the South Dakota LTAP
     
    hvy 1ton likes this.
  2. Cat 140M AWD

    Cat 140M AWD Well-Known Member

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  3. Cat 140M AWD

    Cat 140M AWD Well-Known Member

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  4. DBDLS

    DBDLS Well-Known Member

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    This looks like interesting information. Is there a published copy I can get of this? Thanks for posting.
     
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  5. cuttin edge

    cuttin edge Senior Member

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    Roads here run a 3% crown. Most government paved roads are 2 9inch lifts of 3 inch minus material, 6 inches of inch and a quarter minus, 2 2 inch lifts or base asphalt, and an inch and a half of seal.
     
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  6. Cat 140M AWD

    Cat 140M AWD Well-Known Member

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    Majority of this handout comes from this book if you google it you should come across a pdf of the book if ya don’t find anything I can email you. 41DCC075-769E-4854-A8A8-32AD9BCF50F6.jpeg
     
  7. Cat 140M AWD

    Cat 140M AWD Well-Known Member

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    Thanks for sharing always find it interesting how others do things.
     
  8. Nige

    Nige Senior Member

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    Google is your friend. 30 seconds of searching and here's a link to the complete document in Adobe pdf format. All 153 pages of it.

    https://www.fhwa.dot.gov/construction/pubs/ots15002.pdf
     
  9. ovrszd

    ovrszd Senior Member

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    Good stuff!!! Thanks for posting this thread!!!

    Only thing I read that I didn't agree with was using a torch to straighten a worn cutting edge. Was surprised there was no mention of rotating the edges. I would never consider using a torch to remove material. Seems counterproductive. :)

    I've had some heated discussions with farmers about how their gateways should meet my roadbed. They want them shaped like the example of how to NOT do them. So we discuss it for a few minutes and then the inevitable question must be answered. "What is the priority, the road or the gateway?" In the end logic prevails and they understand. I have worked on many field entrances . The runoff has to be directed toward the road ditch before it gets to the road right of way.

    I'm in the middle of a FEMA Disaster Relief claim. Was discussing the tonnage rate for re-establishing a gravel surface on my roads that were eroded away. Your gravel application guide is what FEMA is using to determine my replacement gravel. To make it more understandable and logical, on my 16ft roadbed, 7 feet per ton of gravel. 17 ton load covers 119 feet.

    Thanks for the link Nige!!!
     
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  10. cuttin edge

    cuttin edge Senior Member

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    we torch them straight all the time. When you're making ready for asphalt, you want a perfectly square edge
     
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  11. Nige

    Nige Senior Member

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    No worries. You're more than welcome.
    I've downloaded it too, You never know when something like that could come in useful, even if it's only as a tool to (metaphorically-speaking) beat someone over the head with........
     
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  12. Cat 140M AWD

    Cat 140M AWD Well-Known Member

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    Your welcome figured this thread would be useful to a lot of people on this forum I myself don’t cut my edges straight with a torch simply because I don’t use a regular true harden blade anymore I run the double carbide edges and have been getting 4 years on a set that’s grading and plowing snow putting a new set on this spring and keep my old set for snow plowing suer enjoy not having to change edges.
     
  13. ovrszd

    ovrszd Senior Member

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    Yep, I can totally understand that. Just can't understand it in regards to gravel road maintenance.
     
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  14. ovrszd

    ovrszd Senior Member

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    Yep, I saved it as well. :)
     
  15. ovrszd

    ovrszd Senior Member

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    Can you post a pic of your cutting edges?? Not sure I understand what you are using.

    I've put 320hrs on our new grader and still on the first set. I've rotated them 5 or 6 times.
     
  16. Cat 140M AWD

    Cat 140M AWD Well-Known Member

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    AED20213-39FF-45E0-A1AD-C050DE5C5CC4.png 7E16D920-BED6-42FD-98B2-F402ED889149.png
    Here are a couple of pictures of the double carbides I run
     
  17. ovrszd

    ovrszd Senior Member

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    I'll bet those things are heavy!!!! Is that why you use 48" length?

    I can see how the thickness would increase wear time dramatically!!!
     
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  18. Nige

    Nige Senior Member

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    Our graders run 8ft x 12” deep 1-1/4” thick flat edges. Try picking one of those up....:confused::confused:
     
  19. ovrszd

    ovrszd Senior Member

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    Wow, I didn't know you could buy cutting edges that large!!!!
     
  20. Nige

    Nige Senior Member

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    IIRC they weigh something like 350 pounds each.
     
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