Hélicrab : technical manuel

6 1 Serving several levels 7 Hélicrab: spiral worksite staircase E C H A F A U D A G E S • Follow the procedure up to step 10 WITHOUT fitting the guardrail standard and 0.70 m safe erection guardrail. • Move part of the erection platform then raise the tower by one level, steps 6 to 8 . • Remove and refit the whole erection platform. • Fit a 0.70 m Panangle below the two step flight at the landing. • Continue erecting the tower, steps 6 to 11 . • Fit the last guardrail and the missing toe boards. 8 m staircase with two landings 11 12 13 Landing between 2 two step flights. • Fit a Hélicrab stirrups ring and a Hélicrab sliding foot. • Fit two 0.70 m ledgers between the Hélicrab stirrups ring and a U 1 stirrup on the 1.50 m and a sliding foot for Crab stair. • Fit a 0.70 m Panangle for the side exit and a 0.30 m x 0.70 m Panacier to fill the gap under the upper two step flight. • Continue with a two step flight and a landing guardrail using standard on the sliding foot for Crab stair and 0.70 m ledgers. Corner exit. After fitting a two step flight: • Fit a Hélicrab stirrups ring and a guardrail standard. • Fit two 0.70 m ledgers with U 2 stirrups to the Hélicrab stirrups ring. • Fit a Panangle and two 0.70 m x 0.30 m Panacier. • Fit an standard and two 0.70 m ledgers as a guardrail and fit a toe board. Three step flight above a landing. • Fit a Hélicrab stirrup ring. • Fit two 0.70 m ledgers and single 1 stirrup sliding foot. • Fit two 0.70 m Panangle. • Fit the three step flight. 2 accessories for even more flexibility Hélicrab bracket and sliding foot The sliding foot is used to connect 2 two step flights together. The stirrups ring rests on the lower two steps flight of for attaching ledgers supporting various types of decks (Panangle, 0.70 m Panacier). Code Description Weight (kg) 250046-0 Hélicrab sliding foot 0,90 250044-5 Hélicrab stirrups ring 1.08