PART IV—SURFACE COURSES Section No. Page No. Section 401 Aggregate Surface Course ................................ ................................ ............. 153 Section 402 Traffic Maintenance Surfacing ................................ ................................ ........ 157 Section 401 Aggregate Surface Course
401.01 DESCRIPTION. Furnish and construct aggregate surface
courses for roadways, shoulders, drives, or other facilities in accordance with these specifications, and in conformity with the lines, grades, thicknesses, and typical sections shown on the plans or already established.
401.02 MATERIALS. Furnish materials complying with the following
subsections. Stone 1003.01 & 1003.05.1 Sand -Clay-Gravel (Lime Treated) 1003.01 & 1003.05.2 Reclaimed Portland Cement Concrete 1003.01.3.1 & 1003.05.1 Reclaimed Asphalt Pavement 1003.01.3.2 & 1003.05.3 Water 1018.01 Lime 1018.02 Use uniformly blended aggregate surface course materials that have been sampled and approved prior to placement. Unless otherwise approved in writing, use the same type material throughout the project .
401.03 EQUIPMENT. Furnish and maintain equipment necessary to
produce a finished product meeting the requirements of these specifications. Obtain approval of equipment prior to use.
401.04 Construction.
401.04.1 General: Obtain approval of the subgrade before placing
aggregate surface course. Uniformly spread material removed from shoulders adjacent to the shoulder material. On existing surfaces, where only placing aggregate surface course, remove vegetation, shape, and satisfactorily compact the surface prior to placing aggregate surfacing. For new or reconstructed surfaces construct subgrade in accordance with Section 203 .