FILING AND HANDLING BLUEPRINTS

On most ships, engineering logroom personnel file and maintain plans. Tenders and repair ships may keep plan files in the technical library or the microfilm library. They are filed in cabinets in numerical sequence according to the three-digit or S group number and the file number. When a plan is revised, the old one is removed and destroyed. The current plan is filed in its place.

The method of folding prints depends upon the type and size of the filing cabinet and the location of the identifying marks on the prints. It is best to place identifying marks at the top of prints when you file them vertically (upright), and at the bottom right corner when you file them flat. In some cases construction prints are stored in rolls.

Blueprints are valuable permanent records. However, if you expect to keep them as permanent records, you must handle them with care. Here are a few simple rules that will help.

*Keep them out of strong sunlight; they fade.

Don't allow them to become wet or smudged with oil or grease. Those substances seldom dry out completely and the prints can become unreadable.

Don't make pencil or crayon notations on a print without proper authority. If you are instructed to mark a print, use a proper colored pencil and make the markings a permanent part of the print. Yellow is a good color to use on a print with a blue background (blueprint).

Keep prints stowed in their proper place. You may receive some that are not properly folded and you must refold them correctly.

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