ROADWAY SHOULDER RECONSTRUCTION PER SHOULDER MILE: (1-18-00) (Rev. 12-23-25) 560, 1019 SP1 R07R Description Clip high shoulders and reconstruct the earth shoulder in accordance with Standard Drawing No. 560.01 and 560.02 of the Roadway Standard Drawings, except that the shoulder width will be established by the typical sections or to the existing shoulder point, whichever is nearer, so that the desired typical is achieved. Perform shoulder reconstruction immediately following resurfacing operations. When borrow excavation material is used for shoulder reconstruction, perform seeding and mulching upon its completion. Materials Use aggregate shoulder borrow (ASB) for all shoulder reconstruction unless the area is designated as a residential lawn, in which case borrow excavation material shall be used. The requirement to use borrow excavation material in residential lawn areas may be specified in the contract or directed by the Engineer. ASB shall meet the following gradation: Sieve Percent Passing 1 1/2" 100 1/2" 55 - 95 #4 35 - 74 Furnish all borrow excavation material necessary for shoulder reconstruction in accordance with Section 1019 of the Standard Specifications. All borrow excavation material furnished is subject to testing and may be accepted or rejected by the Engineer. Construction Methods Obtain all material from within the project limits or an approved source. Prior to placing aggregate shoulder borrow, scarify the existing shoulder to provide a proper bond and compact the shoulder as directed by the Engineer. Dispose of excess material generated by shoulder reconstruction in an approved disposal site.
