For a proposed airport, which plans are typically produced during the survey and planning stage?

Introduction / Context:
Airport planning proceeds from site selection to detailed geometric design. Early surveys generate several drawings that guide earthworks, stormwater management, runway/taxiway siting, and long-term expansion.

Given Data / Assumptions:

• Greenfield or expansion project requiring comprehensive planning.
• Integration with regional land use and environmental constraints.

Concept / Approach:
The master plan sets out long-term development. The topographic plan captures existing terrain and features. The grading plan defines proposed elevations and cut-fill. The drainage plan ensures runoff is safely conveyed, preventing ponding near pavements and protecting water quality.

Step-by-Step Solution:
Master plan: land use, phasing, terminal/airside concepts.Topographic plan: contours, benchmarks, natural/man-made features.Grading plan: proposed levels, slopes, and earthwork quantities.Drainage plan: surface/ subsurface drainage, detention/retention provisions.

Verification / Alternative check:
Airport design manuals list these as standard outputs before detailed airfield design (pavement thickness, lighting, navaids).

Why Other Options Are Wrong:

• Each single plan alone is insufficient; comprehensive planning needs all.

Common Pitfalls:

• Delaying drainage planning, leading to water hazards near runways.
• Not aligning grading with obstacle limitation surfaces.

Final Answer:
All of the above