Applies to stevedoring operations that are not otherwise classified. Contemplates loading or unloading, stowing, shifting or trimming of cargo, transfer of cargo, supplies and material between vessels , transfer between string piece and point of deposit on dock and adjacent warehouses including tiering, sorting and breaking down, and operation of all mechanical equipment in connection with the above. Includes employees engaged in the storage, maintenance or repair of nets, slings, forklift trucks or other equipment utilized by stevedoring concerns.