A stair module consists of a staircase with a handrail on both sides, a platform, a railing at the front and a safety bar.Steps and platform made of corrugated aluminium (R 9) as standard, also available with steel grating (R 12), aluminium grating (R 13), perforated steel sheet (R 13) or perforated aluminium sheet (R 13) as an option;Inclination: 45�;Step width: 800 mm;Step depth: 225 mm;Rigid handrails on both sides and handrails with foot and knee rails (height: 1.100 mm);Stationary fastening by means of foot angle;Maximum load: 1.5 kN/m2, step load 150 kg, total load 300 kg;Note: When ordering, please state the exact height required at the factory (top edge of platform). The stair modules are supplied to fit exactly according to requirements. Intermediate sizes are supplied at the price of the next higher number of steps, other stair inclinations on request.