... loads.CP 3, Code of basic data for the design of buildings1).CP 3: Chapter V, Loading.ISO 3898, Bases for design of structures — Notations — General symbols1).ISO 4355, Bases for design of structures ... area of a lower part of the roof, on which a drift could form, is not greater than 35 m2. For the purpose of this subclause the roof area is defined as the total covered area, in plan, of the ... severity of drifting likely to occur for the design configuration being considered.Appendix C Addresses of advisory officesThe addresses of advisory offices of the Meteorological Office are...