Orange County NC Website
STORMWATER REPAIRS TO WHITTED BUILDING <br /> HILLSBOROUGH,NC 03/26/13 <br /> H. Structures: Buildings, footings, foundations, retaining walls, slabs, tanks, curbs, mechanical <br /> and electrical appurtenances, or other man-made stationary features constructed above or below <br /> the ground surface. <br /> I. Subbase Course: Course placed between the subgrade and base course for hot-mix asphalt <br /> pavement, or course placed between the subgrade and a cement concrete pavement or a cement <br /> concrete or hot-mix asphalt walk. <br /> J. Subgrade: Surface or elevation remaining after completing excavation,or top surface of a fill or <br /> backfill immediately below subbase,drainage fill, or topsoil materials. <br /> K. Utilities: On-site underground pipes, conduits, ducts, and cables, as well as underground <br /> services within buildings. <br /> 1.4 PROJECT CONDITIONS <br /> A. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others <br /> unless permitted in writing by Architect and then only after arranging to provide temporary <br /> utility services according to requirements indicated. <br /> 1. Notify Architect not less than two days in advance of proposed utility interruptions. <br /> 2. Do not proceed with utility interruptions without Architect's written permission. <br /> 3. Contact utility-locator service for area where Project is located before excavating. <br /> B. Demolish and completely remove from site existing underground utilities indicated to be <br /> removed. Coordinate with utility companies to shut off services if lines are active. <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: ASTM D 2487 Soil Classification Groups GW, GP, GM, SW, SP, GC, SC, <br /> ML, CL, CH and SM, or a combination of these groups; free of rock or gravel larger than 3 <br /> inches (75 mm) in any dimension, debris, waste, frozen materials, vegetation, and other <br /> deleterious matter. <br /> C. Unsatisfactory Soils: Soil Classification Group OL, MH, OH, and PT according to <br /> ASTM D 2487,or a combination of these groups. <br /> 1. Unsatisfactory soils also include satisfactory soils not maintained within 2 percent of <br /> optimum moisture content at time of compaction. <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 /> EARTHWORK 02300-2 <br />