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10.2.3 RIPRAP BEDDING <br />10.2.3.1 Riprap bedding (or geosynthetic fabric) shall be <br />placed under all areas where riprap is to be placed. <br />10.2.3.2 Riprap bedding shall be placed in maximum 6-inch <br />loose layers and compacted by two passes of vibra- <br />tory equipment. <br />10.2.3.3 Bedding shalt De spread in such a manner as to <br />avoid segregation and assure a uniform layer. <br />10.2.3.4 Riprap bedding thickness shall be 6 inches of riprap <br />bedding material, or as specified on the Drawings. <br />10.2.4 RIPRAP <br />10.2.4.1 Riprap shall be placed over bedded areas to conform <br />to the Drawings. <br />10.2.4.2 Riprap shall be placed to ensure a relatively uniform <br />distribution of rock sizes. <br />10.2.4.3 Where possible, existing riprap in the Work area <br />shall be reclaimed and stockpiled for reuse. <br />10.2.5 PIPELINE BEDDING <br />10.2.5.1 Pipeline bedding, including haunching and initial <br />backfill shall generally be consolidated in maximum <br />layer depths of 6 inches by 2 passes with a roller or <br />plate type vibrator, or as otherwise determined to <br />provide a density of at least 90 percent of the <br />maximum Standard Proctor density. <br />10.2.5.2 The foundation for the bedding material shall be <br />prepared as set forth in Section 7. <br />10.2.5.3 A final loose layer of the bedding material specified <br />for the pipe in Section 5 shall be placed to the grade <br />that will result in the specified invert elevation of the <br />pipe. <br />SPEC. A -EARTHWORK <br />PAGE 16 <br />