Pennsylvania Publication 408 — Specifications — Section 725

802.1 802.4 (b)

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 t he topsoil meets the above requ irements. 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 —

(a)Preparation of Areas to be Topsoiled. Grade the areas to be covered by topsoil. Using acceptable

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.

(b)Placing and Spreading Topsoil. Place topsoil on the prepared areas and, unless otherwise

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 —

(a)Cubic Yard . Measured in the hauling vehicle at the delivery point, as specified in Section 109.01(b).

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

(b)Square Yard .

803.1 803.4

803.1DESCRIPTION —This work is the preparation of indicated areas and the placement of topsoil or

topsoil mixture on the prepared areas, using topsoil or topsoil mixture removed from stockpiles located on the project or from other indicated areas.

803.2MATERIAL —Section 801.2

803.3CONSTRUCTION —Section 802.3 and as follows:

(a)Topsoil. Remove topsoil from stockpiles using an acceptable method, which does not mix the topsoil

with foreign materials.

(b)Topsoil Mixture. Scarify an

Source: Pennsylvania Department of Transportation Specifications, 2026 Edition. Pages 727–727 of 1,522.

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724 SUPPLEMENTARY CEMENTITIOUS MATERIAL

727 ASPHALT IMPREGNATED PAPER