ASME Y14.100-2004, Engineering Drawing Practices
The ASME Y14.100 standard establishes engineering drawing practices and ties together the engineering drawing and related documentation practices in the Y14 series. This Standard is not a stand-alone document but a composite set containing ASME Y14.100, ASME Y14.24, ASME Y14.34M, and ASME Y14.35M. The initial rational for this Standard was to convert MIL-STD-100G to a non-government standard for engineering drawing practices that could be used in Government contracts. ASME Y14.100 is in accordance with the Acquisition Reform Policy Memo 98-2 and MIL-DTL-31000 which is used for preparing contractual requirements established by Technical Data Packages (TDP). It is applicable where commercial standards are to be used instead of military standards in Government contracts.
This Standard supersedes ASME Y14.100-2000, and ASME Y14.100M-1998, which consisted of basic practices common to MIL-STD-100G. Unfortunately this resulted in two basic drawing practices standards (ASME Y14.100 and MIL-STD-100). The user community was confused. They did not know which standard to use either as a stand-alone or in combination with the other standard. The consensus was that one standard was needed to improve standardization and harmonize practices and methodology between industry and government. This Standard contains appendices that may be invoked and tailored, thereby making possible the cancellation of MIL-STD-100, resulting in a single standard for engineering drawings documentation, form, and structure.
It is not the intent of this Standard to prevent individual organizations from designing specific drawing practices that meet their individual needs, but rather to provide common engineering delineation standards to aid the increasing interchange of drawings among industry, government, and other users. It is well recognized that individual companies have many detailed requirements for their specific method of operation. Consequently, the minimum requirements set forth in this Standard provide flexibility in implementation. The appendices are intended for use by organizations that are not strictly commercial, however, nothing prevents commercial organizations from using the appendices and tailoring them as necessary to meet their own needs.
As might be expected with such a broad-based standard, it is covered in a number of places in the Genium Drafting Manual. If you are trying to learn all about this standard, the first place to start is section 1.4, "Introduction to Government/DoD/Commercial Drafting Requirements", which introduces you to the standard. Then read the following two sections:
These two sections split the standard into its essential elements, commercial work and non-commercial work. The standard itself mixes these two elements, making it more difficult to understand than the way it is treated in the Genium Drafting Manual.
Other sections of the Genium Drafting Manual look at specifics associated with this standard. Their greatest value is clarifying the often complex requirements, wordiness, and jargon associated with military and government projects. Drafting Manual sections that address key elements of this standard are:
Literally ASME Y14.100 is a storehouse of drafting elements because of all things referenced in the Standard and its appendices. Some of the drafting elements referenced in this Standard are:
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