A specification shall be prepared to describe essential technical
requirements for products, materials, or services. Similar items shall
be covered in a single specification to the maximum extent practical.
Specifications shall describe the item in a manner that encourages maximum
competition. To the greatest extent possible, specification requirements
shall be written so that commercial products or processes may be used to meet
the requirements. Performance specifications shall be developed instead
of detail specifications, whenever possible. (See 5.8.1 and 5.8.2 for a discussion on
the differences between performance and detail
4.2.1 Tailoring of
Specifications shall be written and structured so
that referenced documents, requirements, and verification provisions can be
readily tailored to suit different applications.