Drawings and calculations Belgium Scaffolding of higher than 24 metres (highest work floor), unless the manufacturer of the scaffolding equipment used for the assembly indicates another height or with a floor load > 3.0 kN/m²; covered scaffolding of higher than 8 metres or with a wind- catching surface > 200 m², except for anchored façade scaffolding; support scaffolding; suspended and extension scaffolding with floor load > 1.5 kN/m²; elevated crossings longer than 6 metres; rigging scaffolding and hoistable scaffolding; scaffolding to which service elevators or passenger lifts are anchored; scaffolding that strongly deviates from the customary patterns and consequently must be assessed beforehand for its construction feasibility Altrad Balliauw – all sites (Look out for site-specific rules!)

Drawings and calculations Belgium Altrad Balliauw – all sites (Look out for site-specific rules!) > 24 m >1.5kN/m² > 6 m >1.5kN/m² H > 24 m or Canvas surface <200m ²

Drawings and calculations Netherlands Altrad Balliauw – all sites (Look out for site-specific rules!)

Drawings and calculations Netherlands Altrad Balliauw – all sites (Look out for site-specific rules!)  >24 m  Free-standing : >10m > 3 kN/m² > 6 m >2.6 m >2.2 m >0.7 m > 200 kg