... as tunnel, bridge, raft-style foundation, sewer system, subways, retaining wall, nuclear power station, docks, storang tanks, skysrapers, ocean engineering ... in tunnels bridges, valve basement systems, sewage systems, subways, retaining walls, nuclear power plants, shipyards, water pools and marine ... not certain due to disintegration or softening of the wall face.Lath should be fixed with apexes of ribs ...