diff --git a/SpeckleStructuralGSA/ConversionRoutines/NodesAndElements/Structural1DElement.cs b/SpeckleStructuralGSA/ConversionRoutines/NodesAndElements/Structural1DElement.cs
index eb4fd21..16b7853 100644
--- a/SpeckleStructuralGSA/ConversionRoutines/NodesAndElements/Structural1DElement.cs
+++ b/SpeckleStructuralGSA/ConversionRoutines/NodesAndElements/Structural1DElement.cs
@@ -41,7 +41,17 @@ public void ParseGWACommand(List<GSANode> nodes)
       obj.Name = pieces[counter++].Trim(new char[] { '"' });
       counter++; // Colour
       counter++; // Type
-      obj.PropertyRef = Helper.GetApplicationId(typeof(GSA1DProperty).GetGSAKeyword(), Convert.ToInt32(pieces[counter++]));
+      var propRef = pieces[counter++];
+      //Sometimes the property ref argument seems to have a relative length span attached to it:
+      //e.g. 1[0.245882:0.491765] where 1 is the actual property reference
+      var propRefNumerical = "";
+      var index = 0;
+      while (char.IsDigit(propRef[index]))
+      {
+        propRefNumerical += propRef[index++];
+      }
+      
+      obj.PropertyRef = Helper.GetApplicationId(typeof(GSA1DProperty).GetGSAKeyword(), Convert.ToInt32(propRefNumerical));
       counter++; // Group
 
       obj.Value = new List<double>();
@@ -546,6 +556,7 @@ public string SetGWACommand(int group = 0)
       }
       else
       {
+        ls.Add("YES");
         ls.Add("MAN");
         ls.Add("MAN");
         try
diff --git a/SpeckleStructuralGSA/ConversionRoutines/NodesAndElements/Structural1DElementPolyline.cs b/SpeckleStructuralGSA/ConversionRoutines/NodesAndElements/Structural1DElementPolyline.cs
index 82acbd2..27a43a2 100644
--- a/SpeckleStructuralGSA/ConversionRoutines/NodesAndElements/Structural1DElementPolyline.cs
+++ b/SpeckleStructuralGSA/ConversionRoutines/NodesAndElements/Structural1DElementPolyline.cs
@@ -10,7 +10,7 @@
 namespace SpeckleStructuralGSA
 {
   //TO DO: check why everything except GSA1DElement is needed as read prerequisites 
-  [GSAObject("MEMB.8", new string[] { }, "elements", true, false, new Type[] { typeof(GSA1DElement), typeof(GSA1DLoadAnalysisLayer), typeof(GSA1DElementResult), typeof(GSAAssembly), typeof(GSAConstructionStage), typeof(GSA1DInfluenceEffect) }, new Type[] { typeof(GSA1DElement) })]
+  [GSAObject("MEMB.8", new string[] { }, "elements", true, true, new Type[] { typeof(GSA1DElement), typeof(GSA1DLoadAnalysisLayer), typeof(GSA1DElementResult), typeof(GSAAssembly), typeof(GSAConstructionStage), typeof(GSA1DInfluenceEffect) }, new Type[] { typeof(GSA1DElement) })]
   public class GSA1DElementPolyline : IGSASpeckleContainer
   {
     public int GSAId { get; set; }