How do requirements flow through AGL design?
Start from how the aerodrome will operate and which documents govern, then carry every requirement into layout, circuits, equipment and review.
The design requirement flow starts with the operational basis and the governing documents, which together produce a requirement list. That list is carried into the lighting layout, the circuit and power design and the equipment specification, and checked at a design review.
Designs go wrong when equipment is chosen first and requirements are found later. Keep one requirement list with sources and editions, and when anything changes, send it back through that list so drawings, calculations and the compliance matrix stay consistent.
- Fix the basis. Record runway use, category, code and aerodrome data.
- Fix the documents. Confirm what applies and which editions.
- Carry requirements forward. Trace each into drawings, calculations and the specification.
- Review against the list. Check every requirement is met or has an approved deviation.
- Control changes. Return any change to the list and update what it affects.
Basis and documents define the need, then layout, circuits and equipment are chosen to meet it.
Products are picked early and gaps against the requirements are found late, causing rework.
Frequently Asked Questions
Q1Where does AGL design start?
With the operational basis: how the runways and taxiways will be used, their category and code, and the aerodrome data. That decides which lights are needed, and the governing documents decide the rules they must meet.
Q2Why fix the document editions early?
Requirements and test methods can differ between editions. Fixing the edition at the start keeps layout, calculations and specification on one basis and avoids rework when a newer edition appears mid-design.
Q3What happens if a requirement changes during design?
Send it back to the requirement list, update it, and check which drawings, calculations and specification clauses it touches. Record the change so the design, the compliance matrix and later tests stay in step.
Q4Who approves a departure from a requirement?
The party with authority under the contract or regulation, such as the specifier, client or regulator. Record the approval and carry the deviation into the compliance matrix so it stays visible.
Q5How does the design link to inspection and testing?
Each requirement carried into the design should also carry its verification method forward. That is what lets inspection and test plans be built from the same requirement list, so nothing is designed that cannot later be proved.
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