Technical information Crab range

6 9 H é l i c r a b s p i r a l s t a i r c a s e • Fit the standard for guardrail and 0.70 m guardrail and lock in place using a 0.70 m ledger on the landing. • Free the erection diagonal brace to fit the two 0.70 m x 0.30 m Panacier. • Remove the 1.17 m erection diagonal brace. • Fit the 0.70 m and 1.50 m toeboards. • Go back down to remove the erection deck. • Inspect the staircase and put the report in the “no entry” panel. Staircase attached to building. Straight exit. 10 11 Anchor at 2 m from the ground and then every 4 m as the tower is erected. Dismantling : dismantle the tower in the reverse order of assembly. Calculation notes are required for towers higher than 24 m. • Place the adjustable baseplates on blocks. • Fit the basic standards brackets and the normal and reinforced ledgers. • Level and fit the 3.00 m standards. • Fit four 1.50 m x 0.30 m Panacier. • Fit three 1.72 m diagonale braces on the outside , and a 2.45 m diagonal brace on the outside . • Fit the anchor ties at 2 m above the ground then every 4 m. • Continue according to step 3 . 1 2 Column supported on a reinforced ledger for heights > 24 m Ensure that the reinforced ledger and the coupling are centred. Front access Left hand side access. Right hand side access. Access on three sides 01.11.17 T e c h n i c a l i n f o r m a t i o n