Hélicrab : technical manuel

E C H A F A U D A G E S T h e c o m p o n e n t s 3 Hélicrab: spiral worksite staircase Only 3 special components compatible with the Crab system… … and 2 components for collective protection during erection Flights of staircase The flights of staircase have a central post, non slip treads, a stair string that acts as a toe board without being an obstacle for side access. Code Description Weight (kg) 250042-9 Two step flight 11.60 250043-7 Three step flight 15.80 Guardrail standard A guardrail standard is fitted to the top of a staircase to support the guardrail closing off the top landing. Code Description Weight (kg) 250040-3 Guardrail standard 4.90 Erection trapdoor Used for erection platforms. It swivels around a ledger, to provide easy access for erectors during erection and dismantling. Code Description Weight (kg) 250047-8 Erection trapdoor 15.30 Safe erection guard rail It provides collective protection for erectors and workers. It is attached on the outside stirrup of the standards. The bottom stirrups lock it in place when the ledger is fixed. Code Description Weight (kg) 250045-2 Hélicrab 1.50 m safe erection guardrail 9.66 Fit the central column socket on the flight Swivel the outside until it meets the lower step Pin it Although the steps shown in this leaflet are blue, production units are hot dip galvanized.