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, <br /> , EARTHWORK <br /> SECTION 02200 <br /> � PART1 -GENERAL <br /> 1.1 RELATED DOCUMENTS <br /> � A. Drawings and general provisions of the Contrac#, including General and Supplementary <br /> Conditions and Division 1 Specification Sections,apply to this Secrion. <br /> ' 1.2 SLTIVIIvIARY <br /> A. This Sectioa includes the following: <br /> ' 1. Preparing and grading subgrades for slabs-on-grade, wallcs, pavements, snd <br /> landscaping. <br /> 2. Excavating and backfilling for buildings and structures. <br /> � 3. Drainage and moisture-control fill course for slabs-on-grade. <br /> 4. Subbase course for waIks and pavements. <br /> 5. Excavating and ba.ckfilling trenches within building lines. <br /> � B. Related Sections: The fo�lowing Sections contain r�uirements that relate to this Section. <br /> 1. Division 3 Section"Cast-In-Place Cancrete"for concrete encasings,cradles, 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 dimensions 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,end the greater of 24 inches <br /> wider than pipe diameter or 42 inches wide. <br /> , 1.3 DEFINI'I�ONS <br /> A. Excavation consists of the removal of material encountered to subgrade elevations and the <br /> ' reuse or disposal of materials remov�. <br /> B. Subgrade: The uppermost surfaacce of an excavation or the top sw�face of a fill or backfill <br /> ' immediately below subbase,drainage fill,or topsoil materials. <br /> C. Borrow: Soil material obtained off-site when sufficieat approved soil materiat is not <br /> available from excavations. <br /> � D. Subbase Course: The Iayer placed between the subgrade and base course in a paving system <br /> or tixe Iayer placed between the subgrade and sw�face of a pavement or walk. <br /> , E. Base Course: The layer placed between the subbase and surface pavement in a paving <br /> system. <br /> � F. Drainage�ill: Course of washed granular material supporting slab-on-grade placed to cut <br /> 'oi�upward capillary flow of pore water. <br /> ' G. Unauthoriz�d excavation consists of removing materials beyond indicated subgrs.de <br /> elevations or dimensions without direction by the Architect. Unauthoriz�d excavation,as <br /> weli as rennedial work directed by the Archrte�t,shall be at the Contractor's expense. <br /> � EARTHWORK Page 1 of 5 <br /> ' <br />