Description The work covered by this provision consists of clipping high shoulders and reconstructing the earth shoulder in accordance with Standard Drawing No. 560.01 and 560.02 of the Roadway Standard Drawings with the following exceptions: the width will be shown on typical sections, or to the existing shoulder point, whichever is nearer, as long as the desired typical is achieved. Seeding and mulching shall be performed upon completion of shoulder grading when earth borrow is used. This work shall be performed immediately after the resurfacing operations are complete as directed by the Engineer. Materials The Contractor shall furnish all earth material necessary for the construction of the shoulders in accordance with Section 1019 of the Standard Specifications. All soil is subject to test and acceptance or rejection by the Engineer. The Contractor is required to use Aggregate Shoulder Borrow (ASB) on all maps with shoulder reconstruction with the exception of areas considered residential lawns, where borrow excavation is needed. Borrow excavation shall be used in lieu of ASB if directed by the contract or Engineer. ASB shall meet the following gradation: Sieve Percent Passing 1 1/2" 100 1/2" 55 - 95 #4 35 - 74 Construction Methods Obtain material from within the project limits or approved source. Prior to adding ASB material, the existing shoulder shall be scarified to provide the proper bond and shall be compacted to the satisfaction of the Engineer. Any excess material generated by the shoulder reconstruction shall be disposed of by the Contractor in an approved disposal site.
