139 MULTICRAB - TECHNICAL INFORMATION - 2023 MULTICRAB TECHNICAL DATA 4-STANDARD SELF-SUPPORTING TOWER WITHOUT CANVAS COVER / VWDE &RPSOHWH GHFN / VWDE / + + •MULTICRAB uprights are double bolted. •Maximum jack extension of the adjustable baseplate: 10 cm. •Check sliding stability according to the bearing element. •Never use the tower in winds exceeding 65 km/h. Plan View Tables of max. heights (in m) Calculation assumptions: •Complete deck every 2.00 m, •Horizontal wind bracing every 4.00 m, •Wind according to NF EN 1991-1-4 and NF EN 12 811, - Land category: IIIb - Worksite duration < 3 months - Seasonal coefficient: Cseason = 1 with base stabilizers For any justifications adapted to your worksite, please contact our design offices, present throughout France, for advice and support in your studies. without base stabilisers Region (land category IIIb) Grid section I II III IV 1.5 ×1.5 m 3 3 2 2 1.5 ×2.0 m 3 3 2 2 1.5 ×2.5 m 3 3 2 2 1.5 ×3.0 m 3 2 2 2 2.0 ×2.0 m 5 4 3 3 2.0 ×2.5 m 5 4 3 3 2.0 ×3.0 m 5 4 3 3 2.5 ×2.5 m 6 6 5 4 2.5 ×3.0 m 7 6 5 4 3.0 ×3.0 m 9 7 6 6 Length of stabilisers (L stab.) Grid section 1.50 2.00 2.50 3.00 Region 1.5 ×1.5 m 8 10 12 14 2.0 × 2.0 m 10 12 14 18 2.5 ×2.5 m 12 16 18 20 3.0 × 3.0 m 16 18 20 22 Region II 1.5 × 1.5 m 8 10 10 12 2.0 × 2.0 m 8 10 12 14 2.5 × 2.5 m 10 12 14 16 3.0 × 3.0 m 12 16 16 20 Region III 1.5 × 1.5 m 6 8 8 10 2.0 × 2.0 m 8 10 10 12 2.5 × 2.5 m 10 10 12 14 3.0 × 3.0 m 12 12 14 16 Region IV 1.5 × 1.5 m 6 6 8 10 2.0 × 2.0 m 6 8 10 10 2.5 × 2.5 m 8 10 10 12 3.0 × 3.0 m 10 12 12 14
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