WebGranular Shoulder Sq. Yds. Detour Pavement 2 C Lof Crossover 0.80 Line "B" Line "C" 0.40 0.60 (ft) Drop 560.67 393.39 101.56 Line "A" 550 PROFILE 0.20 500 450 250 200 … WebGranular A and Granular M containing RAP with steel slag aggregates shall be acceptable for unpaved gravel shoulders only. 1010.05.03 Granular B . Granular B may be Type I, Type II, or Type III. 1010.05.03.01 Granular B Type I and Type III . Granular B Type I and Type III may be produced from naturally formed deposits of sand, gravel, and cobbles
A d d e n d u m - Iowa
Web1 jan. 2011 · 01340419 Edition: Final Report Corporate Publisher: Iowa. Dept. of Transportation. Highway Division Abstract: A multifaceted investigation was undertaken … Webdone to add strength to the shoulders. • Added a four foot wide earth embankment at a 10:1 slope adjacent to the shoulder. o This provides a clearly defined point where the design shoulder ends. Previously the granular shoulder continued out to the foreslope making the shoulder appear wider than it was designed to support vehicles. der photosynthese
Section 2121 Revised 4/18/2024 - Iowa Department of …
WebB. The type of shoulder material may be specified, or it may be an alternate on the proposal, and only one type will be bid and awarded. 2122.02 Materials. A. Asphalt … Web8 2121-7425020 GRANULAR SHOULDERS, TYPE B Material and placement shall conform to specifications and gradation of Type "B" Granular Shoulders. Shoulder material … WebExisting shoulder surface to be shaped to a uniform cross slope prior to placing granular shoulder granular shoulder material is not less than the 1 2 material. Shape to ensure … der picknicker lyrics