Figure 3-5.-An electrical plan.

Figure 3-5.-An electrical plan.

development, design engineering, or help from the

notes or as a set of specifications attached to the

preparing organization.

drawings.

Federal specifications cover the characteristics of

Notes are placed on drawings to give additional

material and supplies used jointly by the Navy and other

information to clarify the object on the blueprint. Leader

government departments. All federal specifications

lines are used to indicate the precise part being notated.

used by the Navy Department as purchase specifications

A specification is a statement or document

are listed in the Department of Defense Index of

containing a description or enumeration of particulars,

Specifications and Standards.

as the terms of a contract or details of an object or objects

not shown on a blueprint or drawing.

Legend or Symbols

Specifications (specs) describe items so they may

be procured, assembled, and maintained to function

according to the performance requirements; furnish

The legend, if used, is placed on the upper

sufficient information to permit determination of

right-hand corner of a blueprint below the Revision

conformance to the description; and furnish the

block. The legend explains or defines a symbol or

special mark placed on a blueprint. Figure 3-5 shows a

i n f o r m a t i o n in s u f f i c i e n t c o m p l e t e n e s s f o r

legend for an electrical plan.

accomplishment without the need of research,

3-7