The heavy duty ladders, model 700 manufactured by Journault Jourplex inc. are specially designed to be used in filtration plants as well as pumping stations or any other location requiring a stronger ladder.
The galvanized steel (or stainless steel) ladder shall be designed to meet standards and constructed with non-slip rungs for better grip. Galvanized steel (or stainless steel) rungs shall be 45 mm x 32 mm (1.8" x 1.26") in size. They shall consist of a rounded "U" shaped profile with non-slip perforations. The uprights shall be constructed of a 50 mm x 6 mm (2" x 0.25") thick galvanized steel (or stainless steel) plate.