Reproduction,  drawing,  3-41  to  3-51 reproduction  machines,  3-42  to  3-50 reproduction  materials,  3-50  to  3-51 reproduction   room,   3-42 Reproduction  materials,  3-50  to  3-51 blueprint  paper,  3-50 sepia line intermediates, 3-50 to 3-51 Reptiles  and  insects,  recognizing  and  avoiding poisonous,   12-28 Reverse curves, 4-14 Roof  framing,  6-20  to  6-27 rafter  layout,  6-21  to  6-25 roof  pitch,  6-20  to  6-21 roof  trusses,  6-26  to  6-27 Route  surveys,  11-3 S Sample  survey  field  notes,  AV-1  to  AV-8 Sanitary drainage system, 8-10 to 8-17 branches,  8-17 fittings,  8-11  to  8-13 joints  and  connections,  8-14 piping  materials,  8-10  to  8-11 traps,  8-14  to  8-15 vents,  8-15  to  8-16 Scale,  drafting,  use  of,  3-10 Scales, 2-16 to 2-21 architect’s  scales,  2-17  to  2-19 engineer’s  scale,  2-19  to  2-20 metric scale, 2-21 triangular scale clip, 2-21 Scientific  pocket  calculator,  1-25  to  1-26 Screws, 6-50 Section  lines,  3-24  to  3-25 Sepia line intermediates, 3-50 to 2-51 Sexagesimal  or  North  American  system,  1-30 S h o p    d r a w i n g s ,    1 0 - 1 Sill  framing  and  layout,  6-14  to  6-16 Sketching,  5-29  to  5-37 Slaking test, 15-21 Slope  chaining,  12-13  to  12-14 Soil  classification,  15-6  to  15-7 classifying  soils,  15-6 classification  tests,  15-7 Soil  drainage  and  waste  diagram,  8-19  to  8-20 Soil  origin,  15-1  to  15-2 soil  formation,  15-1  to  15-2 residual soil, 15-1 transported  soil,  15-1  to  15-2 Soils,  physical  characteristics,  15-3  to  15-6 compactness,   15-4 effects  of  soil  characteristics,  15-6 gradation,  15-4 Soils,  physical  characteristics—Continued organic  soils,  15-6 particle shape, 15-3 particle   size,   15-3   . soil  moisture,  15-4  to  15-6 specific  gravity,  15-4 Soil  sampling,  15-7  to  15-17 disturbed  samples,  15-9  to  15-11 quartering  samples,  15-16  to  15-17 sampling  methods,  15-7 tagging  sampless,  15-9 undisturbed  samples,  15-11  to  15-16 Soil  testing,  15-17  to  15-34 Atterberg  limits,  15-29  to  15-34 determining  moisture  content,  15-18  to 15-21 mechanical  analysis,  15-21  to  15-25 specific  gravity  testing,  15-25  to  15-29 Splicing  a  tape,  12-23  to  12-25 Square,  4-6  to  4-7 Steel straightedge, 2-9 to 2-10 Stitch lines, 3-26 Stone  masonry,  7-29  to  7-30 Straight lines, 4-1 to 4-3 bisection  of  a  line,  4-2 division  according  to  a  given  ratio,  4-3 division  into  any  number  of  equal  parts, 4-2  to  4-3 division  into  proportional  parts,  4-3 Strength,  good  concrete,  7-2 Structural  clay  tile  masonry,  7-26  to  7-29 physical  characteristics,  7-28  to  7-29 uses  for  structural  clay  tile,  7-29 Structural  drawings,  10-20  to  10-26 foundation  plan,  10-21 framing  plan,  10-22  to  20-26 Subflooring,  framing,  6-17  to  6-18 Surveys, 14-25 to 14-43 as-built,  14-45 highways,  14-25  to  14-41 structural, 14-41 to 14-43 Symbols,  electrical,  9-17 Symbols,  mechanical,  8-21 fitting  symbols,  8-22  to  8-23 fixture  symbols,  8-24 piping  symbols,  8-21  to  8-22 valve  symbols,  8-23  to  8-24 T T  squares,  2-8  to  2-9 Tables  with  boards,  drafting,  2-6  to  2-8 Tape  corrections,  making,  12-16  to  12-18 INDEX-13