Modern Drafting Practices and Standards Manual

Chapter 1 - Fundamentals, Contents, Index

Section 1.0
Fundamentals of the Drafting Document System

This section provides an overview of the fundamentals of the drafting document system, for those who are exposed to it for the first time and for others who wish to be reminded of the structure. The explanations are basic and are not intended to supercede or contradict any of the detailed information in other sections of this manual. Reference should be made to those sections to amplify and clarify this overview.

Section 1.4
Introduction to Government/DoD/Commercial Drafting Requirements

The Department of Defense (DoD) Drawing Practices Group (DRPRO) was chartered under the Defense Standardization Program as a cooperative effort between the DoD and industry to standardize engineering drawing practices, to promote applicable commercial standards, and to foster liaison between DoD and industry associations and government agencies. The effort prompted an agreement to convert MIL-STD-100 to commercial standards under The American Society of Mechanical Engineers (ASME).

Section 1.4.1
Government/DoD Engineering Drawing Practices
Commercial (Not Requiring Government Waivers)

This section establishes the commercial engineering drawing practices in compliance with ASME Y14.100. See Section 1.4.2 of this Drafting Manual for engineering drawing practices requiring government waivers in order to use special military standards as set forth in DoD
4120.24-M, paragraph C3.8.

ASME Y14.100-2001 replaces ASME Y14.100-1989 and MIL-STD-100G-1997

Section 1.4.2
Government/DoD Engineering Drawing Practices
Non-commercial (Requiring Government Waivers)

This section establishes the non-commercial engineering drawing practices in compliance with ASME Y14.100. See Section 1.4.1 of this Drafting Manual for engineering drawing practices that do not require government waivers in order to use special military standards as set forth in DoD 4120.24-M, paragraph C3.8.

Section 1.4.3
Government/DoD Engineering Drawing Practices
Govt. and Commercial Standards and Specifications for Engineering Drawings

This section establishes a list of common Government and commercial specifications and standards used in the preparation of engineering drawings.

Section 1.4.4
Government/DoD Engineering Drawing Practices
DoD Memo 98-2 “Specification & Standards – A New Way of Doing Business”

The decision by the U.S. military, Department of Defense, and Government to accept and use the same standards as non-military commercial enterprises has its roots in a 1994 memo by the Secretary of Defense, William J. Perry. This memo establishes the basis for the current system of DoD using commercial standards and requiring a waiver from those firms who desire to use a military, DoD, or other federal government entity standard instead of – or in addition to – commercial standards. This memo is presented below.

Section 1.4.5
Government/DoD Engineering Drawing Practices
Waiver Process Overview

A waiver is a written authorization to permit the use of a non-commercial document in a Government contract for a period of two years, and then it must be resubmitted for another waiver.

The purpose of the waiver is to insure that careful thought and justification is given before requiring the use of a detailed Military/DoD specification or standard. All too often specifications and standards have been applied automatically without evaluating the need and the impact. Such automatic imposition often had the effect of increasing costs, limiting technological innovation, and making it difficult to determine the actual critical requirements.

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