7 - 1. SECTION 7. EXCAVATION AND BACKFILL FOR PIPELINES. 7.1 GENERAL. The work covered by this specification consists of furnishing all labor, tools, materials, equipment, and performance of all operations in connection with the excavation, trenching, and. backfilling for underground pipelines and appurtenances.
Originally, the term was used to mean government by a body of priests. Currently, a hierarchy is used to denote any body of individuals arranged or classified according to capacity, authority, position, or rank.
1. (noun) The system of power distribution in which an individual or group resides within a culture, organization, or society. 2. (noun) A ranking of people or things. Example: Castes, the division of labor, or the military. Audio Pronunciation: (hiÂ·erÂ·arÂ·chy) http://sociologydictionary.org/wp-content/uploads/How-To-Pronounce-Hierarchy.mp3