Orange County NC Website
Browse       Search
DocuSign Envelope ID: 313DA256 -1EDE- 4396- A716- 4C53B809027E <br />JERRY M. PASSMORE CENTER ADDITION AND RENOVATION <br />HILLSBOROUGH, NORTH CAROLINA <br />4. Impoundment of water. <br />5. Excavation or other digging unless otherwise indicated. <br />E. Do not direct vehicle or equipment exhaust towards protection zones. <br />F. Prohibit heat sources, flames, ignition sources, and smoking within or near protection zones. <br />PART 2- PRODUCTS <br />2.1 SOIL MATERIALS <br />A. General: Provide borrow soil materials when sufficient satisfactory soil materials are not <br />available from excavations. <br />B. Satisfactory Soils: Soil Classification Groups GW, GP, GM, GC, SW, SP, SC,CL ,ML and SM <br />according to ASTM D 2487, or a combination of these groups; free of rock or gravel larger than <br />3 inches (75 mm in any dimension, debris, waste, frozen materials, vegetation, and other <br />deleterious matter. <br />C. Unsatisfactory Soils: Soil Classification Groups OL, CH, MH, OH, and PT according to <br />ASTM D 2487, or a combination of these groups. <br />Unsatisfactory soils also include satisfactory soils not maintained within the specified <br />moisture content range. <br />D. Subbase Material: Naturally or artificially graded mixture of natural or crushed gravel, crushed <br />stone, and natural or crushed sand; ASTM D 2940; with at least 90 percent passing a 1 -1/2 -inch <br />(37.5 -mm) sieve and not more than 12 percent passing a No. 200 (0.075 -mm) sieve. <br />E. Base Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed <br />stone, and natural or crushed sand; ASTM D 2940; with at least 95 percent passing a 1 -1/2 -inch <br />(37.5 -mm) sieve and not more than 8 percent passing a No. 200 (0.075 -mm) sieve. <br />F. Engineered Fill: Naturally or artificially graded mixture of natural or crushed gravel, crushed <br />stone, and natural or crushed sand; ASTM D 2940; with at least 90 percent passing a 1 -1/2 -inch <br />(37.5 -mm) sieve and not more than 12 percent passing a No. 200 (0.075 -mm) sieve. <br />G. Bedding Course: Naturally or artificially graded mixture of natural or crushed gravel, crushed <br />stone, and natural or crushed sand; ASTM D 2940; except with 100 percent passing a 1 -inch <br />(25 -mm) sieve and not more than 8 percent passing a No. 200 (0.075 -mm) sieve. <br />H. Drainage Course: Narrowly graded mixture of washed crushed stone, or crushed or uncrushed <br />gravel; ASTM D 448; coarse - aggregate grading Size 57; with 100 percent passing a 1 -1/2 -inch <br />(37.5 -mm) sieve and 0 to 5 percent passing a No. 8 (2.36 -mm) sieve. <br />I. Filter Material: Narrowly graded mixture of natural or crushed gravel, or crushed stone and <br />natural sand; ASTM D 448; coarse - aggregate grading Size 67; with 100 percent passing a f- <br />inch (25 -mm) sieve and 0 to 5 percent passing a No. 4 (4.75 -mm) sieve. <br />EARTH MOVING (UNCLASSIFIED) 312000-3 <br />