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