7-13 Mineral filler shall conform to the requirements of AASHTO M 1 7.
703.18 Common Borrow Common borrow shall consist of earth, sui table for
embankment construction. It shall be free from frozen material , perishable rubbish, peat, and other unsuitable material including material currently or p reviously contaminated by chemical, radiological, or biological agents unless the materia l is from a DOT project and authorized by DEP for use. The moisture content shall be sufficient to provide the require d compaction and stable embankment. In no case shall the moisture content exceed 4 per cent above optimum, which shall be determined in accordance with AASHTO T 180, Method C o r D.
703.19 Granular Borrow Granular borrow shall consist of sand o r gravel of hard durable
particles free from vegetable matter, lumps or balls of clay, f rozen material and other deleterious substances. The gradation of that portion passing a 3 inch sieve shall meet the gradation requirements of the following table: Sieve Designation Percentage by Weight Passing Square Mesh Sieves Material for Underwater Backfill Material for Embankment Construction No. 40 0-70 0-70 No. 200 0-7.0 0-20.0 Granular borrow for underwater backfill shall contain no parti cles or fragments larger than 6 inches. Granular borrow for embankment constructi on shall contain no particles or fragments with a maximum dimension in excess of th e compacted thickness of the layer being placed.
703.20 Gravel Borrow Gravel borrow shall consist of well grad ed granular material
having no rocks with a maximum dimension of over 6 inches. The gradation of that portion passing a 3 inch sieve shall meet the gradation requirements of the following table: Sieve Designation Percentage by Weight Passing Square Mesh Sieves ¼ inch 0-70 No. 200 0-10.0
703.21 Rock Borrow Rock borrow shall consist of hard durable rock broken to
various sizes that will form a compact embankment with a minimu m of voids. The maximum size for any rock shall be 3 feet in its greatest dimen sion.
703.22 Underdrain Backfill Material. Material for underdrain s hall be free from
organic matter, frozen material and shall conform to the follow ing tables: 7-14 Type B material shall conform to the following table: Sieve Designation Percentage by Weight Passing Square Mesh Sieves 1 inch 95-100 ½ inch 75-100 No. 4 50-100 No. 20 15-80 No. 50 0-15 No. 200 0-5.0 Type C material shall conform to the following table: Sieve Designation Percentage by Weight Passing Square Mesh Sieves 1 inch 100 ¾ inch 90-100 ⅜ inch 0-75 No. 4 0-25 No. 10 0-5
703.24 Stone for French Drains Stones for French drains shall consist of hard,
durable rock and shall conform to the following table: Sieve Designation Percentage by Weight Passing Square Mesh Sieves 6 inch 90-100 1½ inch 0-40 No. 4 0-5
703.25 Stone Fill Stones for stone fill shall consist of hard , sound, durable rock that
will not disintegrate by exposure to water or weather. Stone f or stone fill shall be angular and rough. Rounded, subrounded, or long thin stones will not b e allowed. Stone for stone fill may be obtained from quarries or by screening oversized ro ck from earth borrow pits. The maximum allowable length to thickness ratio will be 3:1. T he minimum stone size (10 lbs) shall have an average dimension of 5 inches. The maximum stone size (500 lbs) shall have a maximum dimension of approximately 36 inches. Larger st ones may be used if approved by the Resident. Fifty percent of the stones by volum e shall have an average dimension greater than 12 inches (200 lbs).