Forms

DoD Engineering Drawing Format

This section, along with Decimal Inch Sheet Size and Format, and Metric Sheet Size and Format, is based on ASME Y14.1 and ASME Y14.1M Drawing Sheet Size and Format, with emphasis on Department of Defense (DoD) added requirements in accordance with the Acquisition Reform Policy Memo 98-2 Waivers for the Use of Specifications and Standards.

Decimal Inch Sheet Size and Format

This section is based on ASME Y14.1 and describes standard decimal inch sheet size and format requirements. All dimensions shown in this section are in inches unless indicated otherwise. Decimal inch sheet size and format requirements as defined by the above-referenced standard are not equivalent to the metric sheet sizes defined by ASME Y14.1M. Compliance with standard sheet sizes and format requirements defined by ASME Y14.1 is usually voluntary. However, contractual requirements may dictate compliance with this standard.

There are two basic sheet formats defined by ASME Y14.1. One format is for sheet one, the other is for continuation sheets. The sheet one format is defined as being acceptable for all sheets if continuation sheets are not used.

Metric Sheet Size and Format

This section is based on ASME Y14.1M and describes standard metric sheet size and format requirements. All dimensions shown in this section are in millimeters unless indicated otherwise. Metric sheet size and format requirements as defined by the above-referenced standard are intended to be in harmony with International Standards. Compliance with standard sheet sizes and format requirements defined by ASME Y14.1M is usually voluntary. However, contractual requirements may dictate compliance with this standard.

There are two basic sheet formats defined by ASME Y14.1M. One format is for sheet one, the other is for continuation sheets. The sheet one format is defined as being acceptable for all sheets if continuation sheets are not used.

Drawing Copy Fold Information

To facilitate folding, the original tracing should indicate fold marks in the margin of the standard cut sheet sizes, except "A" size. However, if copies will be folded mechanically, i.e., by folding machines, fold marks are not necessary except for the vertical folds if the machines do not have that capability.

The easiest kind of fold is the fan fold. The advantage of fan folding is that the print is more easily handled on the shop floor and in the field. Fold marks are usually indicated in the horizontal margins of the drawing form in increments of 8.5 inches and in the vertical margin in increments of 11.0 inches to the extent consistent with the display of the drawing number in the file. Figure 1 illustrates the method of folding all standard cut sheet sizes. Extended sizes should also be folded in similar fashion.

Extended sizes should have fold marks shown in the same increments as cut sheet sizes.

The fold mark designation that should be observed for all cut sheet sizes and extended sizes is shown in Decimal Inch Sheet Size and Format.