Drafting Standards

Illustrator Draftsman 3 & 2 - Volume 2 Standard Practices and Theory
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Drafting Standards Introduction Drawings for Department of Defense (DOD) use must follow prescribed standards. Paper size, format, and symbology are but a few of the standardized practices used in government facilities. Compile a list of standards and familiarize yourself with their content. Drawing standards The policy of the Department of Defense (DOD) is to use to the maximum degree possible nongovernmental standards that fully satisfy the needs of the military with respect to their technical sufficiency. The American Society of Mechanical Engineers (ASME) and the American National Standards Institute (ANSI) publish standards of particular interest to draftsmen. Unclassified specifications, standards, and related standardization documents and those industrial documents coordinated for DOD use are published by the Assistant Secretary of Defense (Supply and Logistics), Office of Standardization. DOD drawing standards are constantly updated and are identified by the terms DOD-STD (Department of Defense Standard) or MIL-STD (Military Standard) followed by a number. When starting a new project, make sure you have current standards. Check for the latest editions in the Department of Defense Index of Specifications and Standards, issued annually. Also check for supplements to the Index that are issued every 2 months. The Index and its supplements appear in two-part format: (1) an alphabetical listing by subject and (2) a numerical listing. DOD-STD-100 is the listing of standards you will require most often. To electronically download DOD specifications and standards, visit url http://dodssp.daps.mil/ (internet website). Determining standards Many of the drawings you work with have been in use for years. These old drawings may contain many obsolete symbols and markings. Also many architectural and engineering consulting firms who prepare drawings for DOD do not closely adhere to DOD- and MIL-STD symbols. For this reason, always look for a legend on the drawing. A legend helps you interpret any symbols unfamiliar to you . If there is no legend, study the drawings carefully to find the meaning of unfamiliar symbols and abbreviations. As more work is reallocated and contracted out, your vigilance as a DM and proficiency in drawing and drafting standards are an invaluable safeguard against costly wastes in time and material. 3-5

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