Mn/DOT SD-15 April 2, 2012 Schedule of Materials Control P a g e 1 ...

Mn/DOT SD-15 April 2, 2012 Schedule of Materials Control P a g e 12I. Grading and Base Construction Items 2005 and 2012 Spec Book (www.dot.state.mn.us/materials/gradingandbase.html)General Notes (cont)Note 1: Samples are not required for 280 yd 3 (500 tons) or less. Report small quantities on form 02415 or 2403.Note 2:a) Laboratory samples are not required for 440 yd 3 (1,000 tons) or less.b) Include the laboratory companion with the first field sample.c) Include the field sample results with the laboratory sample.d) Laboratories with AMRL Accreditation are not required to submit laboratory companion samples.Note 3: Carbonate aggregates require 50 lbs. samples for lab testing.Note 4: Tests may be reported on Grading and Base forms or on MnDOT LIMs Reports. Forms are available on the Grading & Base website at:http://www.dot.state.mn.us/materials/gradingandbase.htmlNote 5: The Contractor may use the Ignition Oven (Mn/DOT Lab. Manual Method 1853) to determine bitumen content.Note 6: Major soil types are defined in the Triaxial Chart located in the Grading and Base Manual.Note 7: The Lab Quality/Crushing sample is the Verification Test for quality requirements. Submit the initial random quality and crushing sample from the firstday’s production.Note 8: The crushing test will not be required when the material is crushed from a quarry or contains greater than 25% recycled material.Note 9: A second test is required, when the first test fails. Average all tests to determined compliance, when multiple tests are performed. Laboratory samples arenot required for 440 yd 3 (1,000 tons) or less.Note 10: Required only for specified density.Note 11: Required for Quality Compaction or DCP MethodNote 12: Provide gradation test results to the Engineer within the first 500 ft (150 m) of production and within500 ft (150 m] after a failing gradation.