8. Are all of the required dimensions shown? Are
there superfluous dimensions that are not needed?
9. Are all necessary explanatory notes given? Are
all general notes in their proper location on the drawing?
10. Are terms and abbreviations consistent with
military standards? Are the abbreviations (especially
unusual ones) explained in a legend?
In addition to all of the above, you also should be
constantly alert to misspellings and the improper use of
phases and statements. Oftentimes, phases and
statements that are used in common practice are not
acceptable for use in project drawings. Listed below are
some of the most common errors found in project
drawings. (A correction follows each incorrect phrase
or grouping of phrases.)
1. Incorrect:
Correct:
2. Incorrect:
Correct:
3. Incorrect:
Correct:
4. Incorrect:
Correct:
5. Incorrect:
Correct:
6. Incorrect:
Correct:
“As instructed by the architect.”
“As directed” (Note, however, that
you should avoid using this type of
language since it indicates un-
certainty as to what the requirements
are.)
“As approved by the architect.”
“As approved.”
“By the Navy.”
“By others.”
“By the Government.”
“By the electrical contractor.”
“By the plumber.”
“By the plumbing contractor.”
(Usually no statement is necessary
since the government recognizes only
the prime contractor.)
“12 gauge zinc-coated steel flashing.”
“copper flashing.”
“Metal flashing.” (Metals are referred
to only as metal and not as a particular
kind or gauge. Type and weight
should be covered in the project
specifications.)
“Formica.”
“Laminated plastic.” (Proprietary or
brand names are not permitted.)
Q1.
Q2.
Q3.
Q4.
Q5.
Q6.
Q7.
Q8.
Q9.
Q10.
QUESTIONS
Into what drawing divisions should you place
drawings that &scribe each of the following
types of information?
a.
b.
c.
d.
Number and size of treads and risers in a
stairway
Bearing and distance of property lines
Equipment for HVAC systems
Steel reinforcing requirements for beams
and columns
In which of the following ways does a forced-air
furnace differ from a gravity warm-air furnance?
a. It uses a fan for circulation of the heated air
b. It requires smaller ductwork
c. It can be equipped with cooling coils
d. All of the above
In what primary way does a heat pump differ
from a window air-conditioning unit?
“Effective temperature” is the net effect of three
factors that affect human health and comfort
What are those three factors?
What NAFACENGCOM publication provides
basic guidance and policy for the preparation of
project drawings?
When using the international system of units,
what SI unit (meter, millimeter, or centimeter)
should you NOT use for project drawings ?
What title block format must you use when
preparing NAVFACENGCOM project drawings
on 22- by 34-inch tracing paper?
For a large set of project drawings, what letter
should you place near the title block to designate
those sheets of drawings that are in the plumbing
division?
When is it permissible for you to reuse a
NAVFAC drawing number?
What is the primary reason that you should
always check line weights when checking and
editing drawings?
4-12
