NEN EN 1991-1-3 : 2011

Foreword
1 Section 1 General
          1.1 Scope
          1.2 Normative references
          1.3 Assumptions
          1.4 Distinction between Principles and
              Application Rules
          1.5 Design assisted by testing
          1.6 Terms and Definitions
          1.7 Symbols
2 Section 2 Classification of actions
3 Section 3 Design situations
          3.1 General
          3.2 Normal conditions
          3.3 Exceptional conditions
4 Section 4 Snow load on the ground
          4.1 Characteristic values
          4.2 Other representative values
          4.3 Treatment of exceptional snow loads on
              the ground
5 Section 5 Snow load on roofs
          5.1 Nature of the load
          5.2 Load arrangements
          5.3 Roof shape coefficients
              5.3.1 General
              5.3.2 Monopitch roofs
              5.3.3 Pitched roofs
              5.3.4 Multi-span roofs
              5.3.5 Cylindrical roofs
              5.3.6 Roof abutting and close to taller
                    construction works
6 Section 6 Local effects
          6.1 General
          6.2 Drifting at projections and obstructions
          6.3 Snow overhanging the edge of a roof
          6.4 Snow loads on snowguards and other obstacles
ANNEX A (normative) Design situations and load arrangement
        to be used for different locations
ANNEX B (normative) Snow load shape coefficients for
        exceptional snow drifts
ANNEX C (informative) European Ground Snow Load Maps
ANNEX D (informative) Adjustment of the ground snow load
        according to return period
ANNEX E (informative) Bulk weight density of snow
Bibliography

Gives guidance to determine the values of loads due to snow to be used for the structural design of buildings and civil engineering works.