The walls are gravity retaining walls built without mortar.

The first phase will consist of repairing and resurfacing the west concrete gravity retaining wall of the federal wharf.

CONCRIB walls are designed as gravity retaining walls using a system of four header sizes for various wall heights.

Large wharf gravity retaining walls are often constructed in areas of Canada where seismic activity of a level that has damaged marine structures in other countries can be anticipated.

Retaining walls have 5 different types which include: gravity retaining wall, semigravity retaining wall, cantilever retaining wall, counterfort retaining wall, and buttress retaining wall.

Rimouski Use riprap to stabilize the base of the wharf's concrete gravity retaining wall, repair the face and guard rail, and replace the ladders and sheathing on the front of the wharf.