Installation guide volume 24

WALLSTONES, COLUMNS AND STEPS

SPECIFIC INSTALLATION DETAILS SUTTON WALLSTONES (CONTINUED) Building a 990 mm wide staircase

Level 0: sunken layer

Level 1: first row of risers

Compacted granular material

Block cut in 2 lengthwise

Compacted granular material

Block cut in 2 lengthwise

Level 2: first row of steps

Level 3: second row of risers

Compacted granular material

Block cut in 2 lengthwise

Compacted granular material

Level 4: second row of steps

Matériel granulaire compactée

Level 4

Level 3

Level 2

Level 0 Level 1

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