Define line staking and grade staking and explain their roles.

• A. Line staking marks the drainage plan; grade staking marks the alignment.
• B. Line staking marks the alignment; grade staking sets finished elevations along the line to guide excavation, compaction, and drainage.
• C. Line staking marks elevations; grade staking marks alignment.
• D. Line staking measures soil density; grade staking determines cut limits.

Answer: (B)