Width : give it greater importance, for it determines the largest number of participants possible : 1.20 m (4') to 1.50 m (5') wide = one route for a pair climber/belayer

Height : minimum 6 m (20')

Configuration : rather plan a vertical wall
Slab not necessary
Plan belay positions to host training sessions (rappelling and caving, rope climbing)

Number of protruding holds : 5 / sq. m (5 / 10 sq. ft)

Support : whether the available support is a concrete wall, a breeze block wall, a steel frame, timber columns or other, there is always a possibility to adapt a corresponding climbing wall support. The option of self-standing climbing wall supports is also a solution.

Crash area : indoors = fold-away crash mats / outdoors = gravel base 30 cm (1') deep

Clearance zone : 3 m (10') in front of the largest overhang

Safety : draw a red line at a 3 m (10') height to indicate the limit of climbing without rope belaying (traversing mainly)

Other fittings / comfort items : lighting = minimal intensity of 300 lux even / heating and ventilation = temperature 16°C (60°F) to 18°C (65°F), the hot air must not accumulate on top of the wall

Massy : Fire station (France), Bourges : Fire station (France), Stuttgart : Degerloch Fire station (Germany), Dreux : Fire station (France), Urazoe : Okinawa prefecture's firemen school (Japan)