The standard applies to working drawings for unreinforced, reinforced and prestressed concrete structures in gravel or lightweight concrete that will be poured on site or prepared in advance. NEN 2302 must be used for general rules for drawings in construction.
NEN 3870-1980 history
1980NEN 3870-1980 Stichting voor Onderzoek, Voorschriften en Kwaliteitseisen op het gebied van beton (CUR-VB)