Specifications include, but are not limited to: ITEM 1. TYPE II GRAVEL Type II Classified Fill and/or Backfill shall contain no lumps, frozen material, organic matters, or other deleterious matter. It shall have a plasticity index not greater than six (6) as determined by ASTM D424 and shall conform to one of the following types as required by the drawings and specifications: U.S. STD. Cumulative Percent Sieve Size Passing by Weight 8" 100 3" 70 - 100 1-1/2” 55 - 100 3/4” 45 – 85 No. 4 20 – 60 No. 10 12 – 50 No. 40 4 – 30 No. 200 *2 – 6 * In addition to the grading limits listed above the fraction of material passing the No. 200 sieve shall not be greater than 20 percent of that fraction passing the No. 4 sieve. Immediate Service Area Pick-up – must be available for pick-up May 15, 2023 through October 15, of current contract year. See GENERAL PROVISIONS for details. ITEM 2. TYPE IIA GRAVEL Type II-A Classified Fill and/or Backfill shall contain no lumps, frozen material, organic matters, or other deleterious matter. It shall have a plasticity index not greater than six (6) as determined by ASTM D-424 and shall conform to one of the following types as required by the drawings and specifications: U.S. STD. Cumulative Percent Sieve Size Passing by Weight 3" 100 3/4" 50 - 80 No. 4 25 - 60 No. 10 15 – 50 No. 40 4 – 30 No. 200 2 – 6 Immediate Service Area Pick-up – must be available for pick-up May 15, 2023 through October 15, of current contract year. See GENERAL PROVISIONS for details. PREFER TYPE IIA GRAVEL HAVE AT LEAST TWO FRESHLY FRACTURED FACES
