
- The real requirement, written down: use, frequency, loads, exposure, users, expected service life.
- The public siting data held for your address, each item sourced: wind and snow zoning from the national annexes to the Eurocodes, solar irradiation from the European Commission PVGIS service, local planning thresholds, according to what the product calls for.
- Indicative sizing: the orders of magnitude the product has to hold, and how they were arrived at.
- The gap, line by line: what the factory offers against what the site demands.
- Blocking points, sorted: what rules the product out, what can be corrected, what can be worked around.
- The questions to put to the factory, drafted and ready to send.












