Source google image: https://image.jimcdn.com/app/cms/image/transf/dimension=273×10000:format=png/path/s5e3428ccb8f69eb6/image/i01435c77e9db949d/version/1487602646/exemple-de-plan-d-une-structure-portante-de-terrasse-bois-sur-pilotis.png
Terrasse piscine plan
Source google image: https://image.jimcdn.com/app/cms/image/transf/dimension=273×10000:format=png/path/s5e3428ccb8f69eb6/image/i01435c77e9db949d/version/1487602646/exemple-de-plan-d-une-structure-portante-de-terrasse-bois-sur-pilotis.png