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Stair detailed

STR-STAIR

Structural element for stairs in the structural model.

Description

Execution-accurate geometry according to the structural design.
Authoritative federated model for execution planning, quantities, and coordination.

Modelling guidelines

Model with correct rise-to-run ratio and slab thickness as they will be built.
Maintain assignment to storey and structural part.
Use an IfcMaterial that corresponds to the actual material class.

Attributes

Name	Description	Unit
PredefinedType	Form of the stair. Allowed values `STRAIGHT_RUN_STAIR` - single straight flight `TWO_STRAIGHT_RUN_STAIR` - single straight flight with landing `QUARTER_WINDING_STAIR` - quarter-turn winding stair `QUARTER_TURN_STAIR` - two straight flights with quarter-turn landing `HALF_WINDING_STAIR` - half-turn winding stair `HALF_TURN_STAIR` - two straight flights with landing `TWO_QUARTER_WINDING_STAIR` - two quarter-turn winding flights with landing `TWO_QUARTER_TURN_STAIR` - three straight flights with quarter-turn landing `THREE_QUARTER_WINDING_STAIR` - three quarter-turn winding stair `THREE_QUARTER_TURN_STAIR` - four straight flights with quarter-turn landing `SPIRAL_STAIR` - spiral stair `DOUBLE_RETURN_STAIR` - three flights with landing `CURVED_RUN_STAIR` - curved stair `TWO_CURVED_RUN_STAIR` - curved stair with landing
ObjectType	Form of the stair. Allowed values `STRAIGHT_RUN_STAIR` - single straight flight `TWO_STRAIGHT_RUN_STAIR` - single straight flight with landing `QUARTER_WINDING_STAIR` - quarter-turn winding stair `QUARTER_TURN_STAIR` - two straight flights with quarter-turn landing `HALF_WINDING_STAIR` - half-turn winding stair `HALF_TURN_STAIR` - two straight flights with landing `TWO_QUARTER_WINDING_STAIR` - two quarter-turn winding flights with landing `TWO_QUARTER_TURN_STAIR` - three straight flights with quarter-turn landing `THREE_QUARTER_WINDING_STAIR` - three quarter-turn winding stair `THREE_QUARTER_TURN_STAIR` - four straight flights with quarter-turn landing `SPIRAL_STAIR` - spiral stair `DOUBLE_RETURN_STAIR` - three flights with landing `CURVED_RUN_STAIR` - curved stair `TWO_CURVED_RUN_STAIR` - curved stair with landing Note IFC2x3 substitute for PredefinedType.
Name	Stair designation according to the structural plan.
Bewehrungsgehalt 211.5_Beton_und_Stahlbetonarbeiten	Reinforcement content of the concrete component in kg/m³ according to the structural design.	kg/m³
Oberfläche 211.5_Beton_und_Stahlbetonarbeiten	Surface requirement and side reference of the concrete component for NPK tendering.
Betonqualität 211.5_Beton_und_Stahlbetonarbeiten	Concrete grade according to SN EN 206 for NPK tendering. Allowed values `0` - grade 0 `A` - NPK A (building) `B` - NPK B (building) `C` - NPK C (building) `D` - NPK D (civil engineering) `E` - NPK E (civil engineering) `F` - NPK F (civil engineering) `G` - NPK G (civil engineering) `P1` - dry pile concrete (NPK H) `P2` - underwater pile concrete (NPK I) `P3` - dry diaphragm wall concrete (NPK K) `P4` - underwater diaphragm wall concrete (NPK L)
Status Pset_StairCommon	Element status for coordination on existing buildings. Allowed values `NEW` - new `EXISTING` - existing `DEMOLISH` - to demolish `TEMPORARY` - temporary
ElementStatus ePset_ElementStatus	Element status for coordination on existing buildings. Allowed values `NEW` - new `EXISTING` - existing `DEMOLISH` - to demolish `TEMPORARY` - temporary Note IFC2x3 substitute for Status.