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Rough quantity information for orientation: Stairwells A, B and C, UG to 5th floor: - Folding stair tread units of tear sheet metal on existing reinforced concrete stair flights: 29 stair flights with 11 to 14 treads per run, width 1.30 to 1.40 m - Flat steel infill/cover plates at the sides to the RC stair flights: approx. 350 m - Stair railings made of flat steel frame elements, with mesh infill and wooden handrails: approx. 350 m Stairwell B, 5th floor to roof access: - Steel stringer staircase with intermediate landing and lattice grating steps Elevator vestibules made of sheet steel - Width x height 1.64 x 2.27 m: 14 units - Width x height 1.24 x 2.27 m: 16 units Free staircase in the foyer on the ground floor: - Free staircase as a steel stringer staircase with sheet-steel step pans for step covering to be installed on site from wood, staircase with 24 treads, width approx. 1.75 m, length approx. 7.55 m (in the floor plan) - Stair railing of the staircase and the gallery on the 1st floor made of flat steel frame elements, with mesh infill and wooden handrails: approx. 34 m - Flat steel cover plate (ceiling fascia) at the leading edge on the 1st floor, approx. 17.00 m Stair…

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