Index: Riskeer/Piping/src/Riskeer.Piping.Forms/PropertyClasses/Probabilistic/ProbabilisticPipingInputContextProperties.cs
===================================================================
diff -u -r6d980fb357f92a82cef3f5d0f8d41fc6efb63d16 -r8b7e85b1b827ca4b325595e17243d7a7b70b6f0e
--- Riskeer/Piping/src/Riskeer.Piping.Forms/PropertyClasses/Probabilistic/ProbabilisticPipingInputContextProperties.cs	(.../ProbabilisticPipingInputContextProperties.cs)	(revision 6d980fb357f92a82cef3f5d0f8d41fc6efb63d16)
+++ Riskeer/Piping/src/Riskeer.Piping.Forms/PropertyClasses/Probabilistic/ProbabilisticPipingInputContextProperties.cs	(.../ProbabilisticPipingInputContextProperties.cs)	(revision 8b7e85b1b827ca4b325595e17243d7a7b70b6f0e)
@@ -158,11 +158,13 @@
             return data.AvailablePipingSurfaceLines;
         }
 
-        private FailureMechanismSection GetSection()
+        private FailureMechanismSection GetCorrespondingSection()
         {
-            return data.FailureMechanism
-                       .Sections
-                       .FirstOrDefault(section => data.PipingCalculation.IsSurfaceLineIntersectionWithReferenceLineInSection(Math2D.ConvertPointsToLineSegments(section.Points)));
+            IEnumerable<FailureMechanismSection> sections = data.FailureMechanism
+                                                                .Sections
+                                                                .Where(section => data.PipingCalculation.IsSurfaceLineIntersectionWithReferenceLineInSection(Math2D.ConvertPointsToLineSegments(section.Points))).ToArray();
+
+            return sections.Count() > 1 ? null : sections.First();
         }
 
         #region Hydraulic data
@@ -414,7 +416,7 @@
         {
             get
             {
-                FailureMechanismSection failureMechanismSection = GetSection();
+                FailureMechanismSection failureMechanismSection = GetCorrespondingSection();
                 return failureMechanismSection == null ? "-" : failureMechanismSection.Name;
             }
         }
@@ -427,7 +429,7 @@
         {
             get
             {
-                FailureMechanismSection failureMechanismSection = GetSection();
+                FailureMechanismSection failureMechanismSection = GetCorrespondingSection();
                 return failureMechanismSection == null ? new RoundedDouble(2) : new RoundedDouble(2, failureMechanismSection.Length);
             }
         }
Index: Riskeer/Piping/test/Riskeer.Piping.Forms.Test/PropertyClasses/Probabilistic/ProbabilisticPipingInputContextPropertiesTest.cs
===================================================================
diff -u -r6d980fb357f92a82cef3f5d0f8d41fc6efb63d16 -r8b7e85b1b827ca4b325595e17243d7a7b70b6f0e
--- Riskeer/Piping/test/Riskeer.Piping.Forms.Test/PropertyClasses/Probabilistic/ProbabilisticPipingInputContextPropertiesTest.cs	(.../ProbabilisticPipingInputContextPropertiesTest.cs)	(revision 6d980fb357f92a82cef3f5d0f8d41fc6efb63d16)
+++ Riskeer/Piping/test/Riskeer.Piping.Forms.Test/PropertyClasses/Probabilistic/ProbabilisticPipingInputContextPropertiesTest.cs	(.../ProbabilisticPipingInputContextPropertiesTest.cs)	(revision 8b7e85b1b827ca4b325595e17243d7a7b70b6f0e)
@@ -544,6 +544,63 @@
         }
 
         [Test]
+        public void Calculation_InMultipleSections_ReturnExpectedValues()
+        {
+            // Setup
+            var mocks = new MockRepository();
+            var assessmentSection = mocks.Stub<IAssessmentSection>();
+            var handler = mocks.Stub<IObservablePropertyChangeHandler>();
+            mocks.ReplayAll();
+
+            var failureMechanism = new PipingFailureMechanism();
+            failureMechanism.SetSections(new[]
+            {
+                new FailureMechanismSection("Section1", new[]
+                {
+                    new Point2D(0.0, 0.0),
+                    new Point2D(0.5, 0.0)
+                }),
+                new FailureMechanismSection("Section2", new[]
+                {
+                    new Point2D(0.5, 0.0),
+                    new Point2D(1.0, 0.0)
+                })
+            }, "path/to/sections");
+
+            var surfaceLine = new PipingSurfaceLine(string.Empty)
+            {
+                ReferenceLineIntersectionWorldPoint = new Point2D(0.5, 0.0)
+            };
+            surfaceLine.SetGeometry(new[]
+            {
+                new Point3D(0.0, 0.0, 0.0),
+                new Point3D(0.5, 0.0, 0.0)
+            });
+
+            var calculation = new ProbabilisticPipingCalculationScenario
+            {
+                InputParameters =
+                {
+                    SurfaceLine = surfaceLine
+                }
+            };
+
+            var context = new ProbabilisticPipingInputContext(calculation.InputParameters, calculation,
+                                                              Enumerable.Empty<PipingSurfaceLine>(),
+                                                              Enumerable.Empty<PipingStochasticSoilModel>(),
+                                                              failureMechanism, assessmentSection);
+
+            // Call
+            var properties = new ProbabilisticPipingInputContextProperties(context, handler);
+
+            // Assert
+            Assert.AreEqual("-", properties.SectionName);
+            Assert.AreEqual(0.0, properties.SectionLength);
+
+            mocks.VerifyAll();
+        }
+
+        [Test]
         public void GivenPropertiesWithData_WhenChangingProperties_ThenPropertiesSetOnInput()
         {
             // Given