Specifications Vol. II - Laserfiche WebLink

Home Browse Search

,.., . .., . 4. Adjust the amount of fertilizer to the project area. .., . 987 PREPARED SOIL LAVER MATERIALS. (REV 12-21-05) (FA 12-29-05) (7-06) .., . SECTION 987 (Page 924) is deleted and the following substituted: ,..., SECTION PREPARED SOIL LAVER MATERIALS 987 . ..., 987-1 Description. All material shall be suitable for plant growth. The organic matter content of the prepared soil layer after mixing shall be a minimum of 2.5%, a maximum of 10%, in accordance with FM 1-T 267 and have a pH value of 4.5 or greater and less than or equal to 8.5 as determined in accordance with FM 5-550. The organic matter content shall be created using any of the following materials. . .., . I 1 .., 987-2 Materials. Prepared soil layer materials may be obtained from either, or a combination of, the following sources: (1) Excavation within the limits of construction on the project. Such material may be stockpiled or windrowed on the project in areas approved by the Engineer. (2) Designated borrow pits for the project. (3) From other sources of organic soil materials provided by the Contractor. 987-2.1 Organic son: This may consist of muck, mucky peat and peat and shall have an organic matter content of 30 % or more if the mineral fraction is more than 50% clay, or more than 20% organic matter if the mineral fraction has no clay. 987-2.2 Blanket Material: Meet the material classification shown on the plans and Design Standards, Index No. 505. 987-2:3 Compost: Meet the requirements of Florida Department of Environmental Protection Rule 62.709.550 Type V (yard waste), Type VM (yard waste and manure), Type A (municipal solid waste compost) or Rule 62.640.850 Type AA (composted biosolids) and have unrestricted distribution. 987-2.3.1 Compost for use as a Soil Amendment: If the electrical conductivity (EC) value of the compost exceeds 4.0dS (mmhos/cm) based on the saturated paste extract method, the compost shall be leached with water prior to application. 987-2.3.2 Compost for use as a Mulch: The compost shall contain no foreign matter, such as glass, plastic or metal shards. The compost shall be slightly coarse to coarse in nature (over half of the solids shall be from particles 112 inch [12 mm] in size and no greater than 6 inches [150 mm]). Preference shall be given to compost or mulch made from uncontaminated woody waste materials. . ,., . ....., . ,., . ..., . ...., . . -, . ~ . .... . ..... . ,..., 09/09 01000-199 03-4122.F .