This standard specifies requirements for roundwood posts of the European softwood species spruce, pine, larch and Douglas fir, intended for use in construction, civil engineering, agriculture and horticulture and for recreational facilities. An appendix not part of the standard text provides additional information regarding physical properties, durability and commercial sizes.
NEN 5492-1985 history
1985NEN 5492-1985 Quality requirements for timber - Wooden poles