Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
Reference texts: Marshak, Earth: Portrait of a Planet; Freeze & Cherry, Groundwater (Prentice-Hall); Goodman, Engineering Geology: Rock in Engineering Construction; EGBC Geoscience Professional Practice Guidelines.
04-BS-14 Geology, National Examinations, May 2013 — 3 hours, closed book. Rule C requires Questions 1–4 plus one of Questions 5–7; every question is answered in full below (7 of 7) so the paper serves as a complete study resource.