Missouri Department of Transportation (MoDOT) · Missouri Standard Specifications for Highway Construction
Section 1009 — Aggregate for Drainage
Missouri Missouri Standard Specifications for Highway Construction, Section 1009. Full text, cross-references and related pay items on BuildSpec.
1009 AGGREGATE FOR DRAINAGE 1009.1 Scope. This specification covers material requirements for aggregate as specified for various drainage systems. 1009.2 Quality. All aggregate shall be in accordance with Sec 1002, and shall be of the material and gradation specified herein. 1009.3 Gradation. 1009.3.1 Grade 1. The aggregate shall be sand and shall be in accordance with Sec 1005.3. 1009.3.2 Grade 2. The aggregate shall be a washed sand-gravel mixture in accordance with the following gradation requirements: Sieve SizePercent by Weight 1-inch 100 1/2-inch 55-90 No. 10 25-50 No. 40 10-30 No. 100…
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