Pavement Structure
Defined in the standard specifications of 8 state transportation agencies. Each definition below is the agency’s own text, with the section it comes from — they do not all say the same thing, and on a contract the difference is the point.
Definitions are quoted from state-authored public specification books. This page carries no I-Code-derived terms.
The combination of one or more of the following courses placed on a subgrade to support and distribute the traffic load to the roadbed. (1) Subbase. The layer or layers of specified or selected material placed on a subgrade to support a base course, surface course, or both. Subgrade that has been treated with lime, fly ash, cement kiln dust, or combinations thereof for stabilization will be considered subbase. (2) Base Course. The layer or layers of specified or selected material placed on a subbase or a subgrade to support a surface course. (3) Surface Course. One or more layers of a pavement structure designed to accommodate the traffic load, the top layer of which resists skidding, traffic abrasion, and the disintegrating effects of climate. The top layer is sometimes called “ wearing course.”
Section 101 — DEFINITIONS AND TERMS →The structure constructed on the roadbed and typically includes pavement surfacing, base course s, and granular subbase.
Section 101 — GENERAL, ABBREVIATIONS, AND DEFINITIONS →The combination of base courses and surface course placed on a subgrade across the roadbed.
Section 101 — General Information, Definitions, and Terms →All combinations of subbase, base course, and surface course, including shoulders, placed on a subgrade.
Section 101 — Terms, Format, and Definitions →The combination of subbase, base course, and surface course placed on a subgrade to support and distribute the traffic load to the roadbed. Plan Quantity. The quantity of a contract item shown on the bid item list and the plans. Plans. The project plans and standard drawings that show the location, character, and dimensions of the prescribed work, including layouts, profiles, cross sections, and other details. Project Plans. A set of plans addressing the work required for the project. At the time of advertisement, the project plans may include the following: a vicinity map, a summary of quantities, notes, signing information, traffic control plans, and detailed drawings. Standard Drawings. An approved set of drawings showing standard details of construction and materials for the work on a project. Predecessor. An activity that is defined by schedule logic to precede another activity. A predecessor may control the start or finish date of its successor. Section 101 10 Project. The specific section of highway on which construction is to be performed under the contract. Project Control Number (PCN). A number generated by the Department for project tracking.
Section 101 — ABBREVIATIONS AND DEFINITIONS →The combination of subbase, base courses, and surface courses placed on a subgrade to support the traffic load and distribute it to the roadbed.
Section 101 — DEFINITIONS AND TERMS →The combination of Subbase, Base Course, and Surface Course placed on a Subgrade to support and distribute the traffic load to the Roadbed.
Section 101 — Abbreviations, Symbols, T erms, and Definitions →The combination of base course and surface course placed on a subgrade to support the traffic load and distribute it to the roadbed.
Section 101 — Terms and Definitions →