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MDOT Heavy RIP RAP

Size: 16" x 24"

Gradations

April 4, 2017

This letter is to inform you that the MDOT Rip Rap shipped from our Stoneco of Michigan Facilities meets the specification set forth in the 2013 Michigan Department of Transportation Standard Specifications for Construction (Page 844, Section 916.01.C1&2). MDOT classifies rip rap as plain or heavy based on the horizontal cross-section dimensions (the “footprint” dimension) and the in-place thickness of the individual pieces.

MDOT Heavy Rip Rap:

  • The smallest footprint dimension for natural stone and broken concrete used for heavy rip rap must be at least 16 inches.
  • The maximum to minimum dimension ratio must be no greater than 3:1.
  • The in-place thickness must be at least 8 inches.

Gradations are performed visually to certify material.

Stoneco of Michigan is proud to be a supplier of quality aggregates to the construction industry. I trust the above information will meet your requirements.

If you require any further information, please feel free to contact me at (734) 770-0035.

Sincere regards,
Austin Fisher
Quality Control Manager

April 4, 2017

This letter is to inform you that the MDOT Rip Rap shipped from our Stoneco of Michigan Facilities meets the specification set forth in the 2013 Michigan Department of Transportation Standard Specifications for Construction (Page 844, Section 916.01.C1&2). MDOT classifies rip rap as plain or heavy based on the horizontal cross-section dimensions (the “footprint” dimension) and the in-place thickness of the individual pieces.

MDOT Heavy Rip Rap:

  • The smallest footprint dimension for natural stone and broken concrete used for heavy rip rap must be at least 16 inches.
  • The maximum to minimum dimension ratio must be no greater than 3:1.
  • The in-place thickness must be at least 8 inches.

Gradations are performed visually to certify material.

Stoneco of Michigan is proud to be a supplier of quality aggregates to the construction industry. I trust the above information will meet your requirements.

If you require any further information, please feel free to contact me at (734) 770-0035.

Sincere regards,
Austin Fisher
Quality Control Manager

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