Adobe Acrobat and PDF for Architecture, Engineering, and Construction

Many authorities and regulating bodies have issued requirements for electronic drawings. One of the best examples we have found of requirements for electronic drawings are the Regulations of the Board For Architects, Professional Engineers, Land Surveyors, Certified Interior Designers & Landscape Architects of Virginia. These regulations were developed in conjunction with the Navy Facilities Engineering Command (NAFAC) in Norfolk, Virginia: NAFAC has an excellent implementation of PDF in AEC.
The pertinent section of the Virginia Regulations follows: [1]
B.1.a. An electronic seal, signature and date is permitted to be used in lieu of an original seal, signature and date when the following criteria, and all other requirements of this section, are met:
It is a unique identification of the professional;
It is verifiable;
It is under the professional's direct and sole control;
It is linked to the document file in such a manner that changes are readily determined and visually displayed if any data contained in the document file was changed subsequent to the electronic seal, signature and date having been affixed to the document: and
Changes to the document after affixing the electronic seal, signature and date shall cause the electronic seal, signature and date to be removed or altered in such a way as to invalidate the electronic seal, signature and date.
B.1.b. In addition, once the electronic seal, signature and date are applied to the document, the document shall be in a view only format, if...