802TOPSOIL FURNISHED AND PLACED

802.1DESCRIPTION—This work is the furnishing and placing of topsoil from outside the project, as indicated.

802.2MATERIAL—Section 801.2 and containing not less than 2.0% nor more than 10.0% organic matter,

according to AASHTO T 194. Provide topsoil meeting the following grading analysis:

Sieve Minimum Percent Passing

2 inches 100 No. 4 75 No. 10 60

Sand, silt, and clay material passing the No. 10 sieve, according to AASHTO T 88 and within the following ranges:

Minimum Percent Maximum Percent

Sand 5 70 Silt 10 70 Clay 5 36

Provide independent testing to confirm that the topsoil meets the above requirements. Independent testing must be less than 12 months old at the time topsoil is furnished to the project. Submit for approval as specified in Section 106.02(a)2.c. Obtain topsoil from outside the right of way, where the soil quality has proven ability to grow vegetation. Before topsoil removal, obtain acceptance for the quality of the source, for the depth of the topsoil to be removed, and for the method of removal. Recondition areas from which topsoil was obtained, as specified in Section 105.14.

802.3CONSTRUCTION—

methods, loosen soil to a depth of 2 inches before placing the topsoil. Remove stones and other foreign material 2 inches or larger in any dimension. Remove and satisfactorily dispose of unsuitable and surplus material.

indicated, spread and compact to a 4 -inch uniform depth ±1 1/2 inches. Compact with a roller having a weight not over 120 pounds per foot width of roller or by other acceptable methods, as directed. Remove over-depth topsoil, unless otherwise agreed upon in writing. Do not place topsoil in a wet or frozen condition.

802.4MEASUREMENT AND PAYMENT—

The Contractor may leave over-depth topsoil in place, at no additional cost to the Department.