Answer Key: Self-Test D-3.7

  1. a. Hydrology
  2. c. Soils become waterlogged
  3. b. Octagonal
  4. c. [latex]\tfrac{1}{4}[/latex] in. to [latex]\tfrac{1}{2}[/latex] in.
  5. d. 120
  6. a. Below the bottom of the floor slab or groundcover of the crawl space
  7. d. Geotextile fabric
  8. b. Dry well
  9. b. French drain
  10. c. Curtain drain
  11. a. Moling
  12. c. 1,200 mm (4 ft)

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