diff --git a/src/Mod/Arch/ArchCommands.py b/src/Mod/Arch/ArchCommands.py
index 22346f2b5..721bd1f9c 100644
--- a/src/Mod/Arch/ArchCommands.py
+++ b/src/Mod/Arch/ArchCommands.py
@@ -670,7 +670,7 @@ def pruneIncluded(objectslist):
     for obj in objectslist:
         toplevel = True
         if obj.isDerivedFrom("Part::Feature"):
-            if not (Draft.getType(obj) in ["Window","Clone"]):
+            if not (Draft.getType(obj) in ["Window","Clone","Pipe"]):
                 for parent in obj.InList:
                     if parent.isDerivedFrom("Part::Feature"):
                         if not parent.isDerivedFrom("Part::Part2DObject"):
diff --git a/src/Mod/Arch/ArchPipe.py b/src/Mod/Arch/ArchPipe.py
index 40cd571a7..df0d61934 100644
--- a/src/Mod/Arch/ArchPipe.py
+++ b/src/Mod/Arch/ArchPipe.py
@@ -205,7 +205,9 @@ class _ArchPipe(ArchComponent.Component):
             FreeCAD.Console.PrintError(translate("Arch","Unable to build the pipe\n"))
         else:
             obj.Shape = sh
-            if not obj.Base:
+            if obj.Base:
+                obj.Length = w.Length
+            else:
                 obj.Placement = pl
 
     def getWire(self,obj):
@@ -421,5 +423,7 @@ if FreeCAD.GuiUp:
             return { 'MenuText': QT_TRANSLATE_NOOP("Arch_PipeTools",'Pipe tools'),
                      'ToolTip': QT_TRANSLATE_NOOP("Arch_PipeTools",'Pipe tools')
                    }
+        def IsActive(self):
+            return not FreeCAD.ActiveDocument is None
 
     FreeCADGui.addCommand('Arch_PipeTools', _ArchPipeGroupCommand())
diff --git a/src/Mod/Arch/ArchSchedule.py b/src/Mod/Arch/ArchSchedule.py
index 54a6e287d..e64c7fd03 100644
--- a/src/Mod/Arch/ArchSchedule.py
+++ b/src/Mod/Arch/ArchSchedule.py
@@ -166,7 +166,7 @@ class _ArchSchedule:
                     obj.Result.set("B"+str(i+2),str(val))
                 else:
                     vals = val.split(".")
-                    sumval = None
+                    sumval = 0
                     for o in objs:
                         if verbose:
                             l = o.Name+" ("+o.Label+"):"
@@ -177,6 +177,8 @@ class _ArchSchedule:
                                 d = getattr(d,v)
                             if verbose:
                                 print d
+                            if hasattr(d,"Value"):
+                                d = d.Value
                         except:
                             FreeCAD.Console.PrintWarning(translate("Arch","Unable to retrieve value from object")+": "+o.Name+"."+".".join(vals)+"\n")
                         else: