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' <br /> IEARTHWORK <br /> SECTIOAl'02200 <br /> , PART1 -GENERAL <br /> 1.1 RELATED DOCUMENTS <br /> ' A. Drawings and generai provisions of the Contract, including General and Supplementary <br /> Conditions and Division 1 Specifcation Sections,apply to this Section. <br /> ' 1.2 SUMMARY <br /> A. This Section includes the following: <br /> , i. Preparing and grading subgrades for slabs-on-gra.de, walks, pavements, and <br /> landscaping. <br /> 2. Excavating and backfilting for buildings and structures. <br /> ' 3. Drainage and moisture-control fill course for slabs-on-grade. <br /> 4. Subbase course for walks and pavements. <br /> 5. Excavating and backfilling trenches within building lines. <br /> ' B. Related Sections: The following Sections contain requirements that relate to this Section. <br /> 1. Division 3 Section "Cast-In-Place Conerete"for concrete encasings,cradies, and <br /> ' appurtenances for utility systems. <br /> 2. 24 inches outside of concrete forms other than at footings. <br /> 3. 12 inches outside of concrete forms at footings. <br /> , 4. 6 inches outside of minimum required dinnensions of concrete cast against grade. <br /> S. 6 inches beneath bottom of concrete slabs on grade. <br /> 6. 6 inches beneath invert elevation of pipe in trenches,and the greater of 24 inches <br /> wider than pipe diameter or 42 inches�vide. <br /> ' 1.3 DEFJNITIONS <br /> ' A. Excavation consists of#he removal of materia.l encountered to subgrade elevatians and the <br /> reuse or disposal of u�ateriais removed. <br /> B. Subgrade: The uppermost surface of an exca.vation or the top surface of a fill or bacicfill <br /> ' immediately below subbase,drainage fill,or topsoit materials. <br /> C. Borrow: Soil material obtained off-site when sufficient approved soil material is not <br /> , available from excavations. <br /> D. Subbase Course: The layer placed between the subgrade and base course in a paving system <br /> or tlie Iayer placed between the subgrade and sw�face of a pavement or walk. <br /> ' E. Base Course: The Iayes placed between the subbase and surface pavement in a paving <br /> system. <br /> ' F. Dra.inage Fill: Course of washed graziular material supparting sIab-on-grade ptaced to cut <br /> 'offupward capillary flow of pore water. <br /> ' G. Unauthorized excavation consists of removing materials beyond indicated subgrade <br /> elevations or dimensions without direction by the Archit�� Unauthorized excavation,as <br /> well as remedial work directed by the Archrte�t,shall be at the Contraetor's expense. <br /> ' EARTHWORK P 1 of 6 <br /> � <br /> ' <br />