diff --git a/src/lagrangian/basic/InteractionLists/InteractionLists.C b/src/lagrangian/basic/InteractionLists/InteractionLists.C
index 65ddd30dcb..862665e4ee 100644
--- a/src/lagrangian/basic/InteractionLists/InteractionLists.C
+++ b/src/lagrangian/basic/InteractionLists/InteractionLists.C
@@ -24,6 +24,11 @@ License
 \*---------------------------------------------------------------------------*/
 
 #include "InteractionLists.H"
+#include "globalIndexAndTransform.H"
+#include "indexedOctree.H"
+#include "treeDataFace.H"
+#include "treeDataCell.H"
+#include "volFields.H"
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
@@ -61,7 +66,7 @@ void Foam::InteractionLists<ParticleType>::buildInteractionLists()
     (
         procBb,
         allExtendedProcBbs,
-        globalTransforms_,
+        mesh_.globalData().globalTransforms(),
         extendedProcBbsInRange,
         extendedProcBbsTransformIndex,
         extendedProcBbsOrigProc
@@ -81,6 +86,9 @@ void Foam::InteractionLists<ParticleType>::buildInteractionLists()
         );
     }
 
+    const globalIndexAndTransform& globalTransforms =
+        mesh_.globalData().globalTransforms();
+
     // Recording which cells are in range of an extended boundBox, as
     // only these cells will need to be tested to determine which
     // referred cells that they interact with.
@@ -116,7 +124,7 @@ void Foam::InteractionLists<ParticleType>::buildInteractionLists()
 
                 cellIAndTToExchange.append
                 (
-                    globalTransforms_.encode(cellI, transformIndex)
+                    globalTransforms.encode(cellI, transformIndex)
                 );
 
                 cellBbsToExchange.append(cellBb);
@@ -173,9 +181,9 @@ void Foam::InteractionLists<ParticleType>::buildInteractionLists()
     {
         const labelPair& ciat = cellIAndTToExchange[bbI];
 
-        const vectorTensorTransform& transform = globalTransforms_.transform
+        const vectorTensorTransform& transform = globalTransforms.transform
         (
-            globalTransforms_.transformIndex(ciat)
+            globalTransforms.transformIndex(ciat)
         );
 
         treeBoundBox tempTransformedBb
@@ -352,7 +360,7 @@ void Foam::InteractionLists<ParticleType>::buildInteractionLists()
 
                 wallFaceIAndTToExchange.append
                 (
-                    globalTransforms_.encode(wallFaceI, transformIndex)
+                    globalTransforms.encode(wallFaceI, transformIndex)
                 );
 
                 wallFaceBbsToExchange.append(wallFaceBb);
@@ -390,9 +398,9 @@ void Foam::InteractionLists<ParticleType>::buildInteractionLists()
     {
         const labelPair& wfiat = wallFaceIAndTToExchange[bbI];
 
-        const vectorTensorTransform& transform = globalTransforms_.transform
+        const vectorTensorTransform& transform = globalTransforms.transform
         (
-            globalTransforms_.transformIndex(wfiat)
+            globalTransforms.transformIndex(wfiat)
         );
 
         treeBoundBox tempTransformedBb
@@ -518,11 +526,11 @@ void Foam::InteractionLists<ParticleType>::buildInteractionLists()
     {
         const labelPair& wfiat = wallFaceIndexAndTransformToDistribute_[rWFI];
 
-        label wallFaceIndex = globalTransforms_.index(wfiat);
+        label wallFaceIndex = globalTransforms.index(wfiat);
 
-        const vectorTensorTransform& transform = globalTransforms_.transform
+        const vectorTensorTransform& transform = globalTransforms.transform
         (
-            globalTransforms_.transformIndex(wfiat)
+            globalTransforms.transformIndex(wfiat)
         );
 
         const face& f = mesh_.faces()[wallFaceIndex];
@@ -911,6 +919,10 @@ void Foam::InteractionLists<ParticleType>::prepareParticlesToRefer
     const List<DynamicList<ParticleType*> >& cellOccupancy
 )
 {
+    const globalIndexAndTransform& globalTransforms =
+        mesh_.globalData().globalTransforms();
+
+
     referredParticles_.setSize(cellIndexAndTransformToDistribute_.size());
 
     // Clear all existing referred particles
@@ -927,7 +939,7 @@ void Foam::InteractionLists<ParticleType>::prepareParticlesToRefer
     {
         const labelPair ciat = cellIndexAndTransformToDistribute_[i];
 
-        label cellIndex = globalTransforms_.index(ciat);
+        label cellIndex = globalTransforms.index(ciat);
 
         List<ParticleType*> realParticles = cellOccupancy[cellIndex];
 
@@ -952,9 +964,12 @@ void Foam::InteractionLists<ParticleType>::prepareParticleToBeReferred
     labelPair ciat
 )
 {
-    const vectorTensorTransform& transform = globalTransforms_.transform
+    const globalIndexAndTransform& globalTransforms =
+        mesh_.globalData().globalTransforms();
+
+    const vectorTensorTransform& transform = globalTransforms.transform
     (
-        globalTransforms_.transformIndex(ciat)
+        globalTransforms.transformIndex(ciat)
     );
 
     particle->position() = transform.invTransformPosition(particle->position());
@@ -993,6 +1008,9 @@ void Foam::InteractionLists<ParticleType>::fillReferredParticleCloud()
 template<class ParticleType>
 void Foam::InteractionLists<ParticleType>::prepareWallDataToRefer()
 {
+    const globalIndexAndTransform& globalTransforms =
+        mesh_.globalData().globalTransforms();
+
     referredWallData_.setSize
     (
         wallFaceIndexAndTransformToDistribute_.size()
@@ -1004,11 +1022,11 @@ void Foam::InteractionLists<ParticleType>::prepareWallDataToRefer()
     {
         const labelPair& wfiat = wallFaceIndexAndTransformToDistribute_[rWVI];
 
-        label wallFaceIndex = globalTransforms_.index(wfiat);
+        label wallFaceIndex = globalTransforms.index(wfiat);
 
-        const vectorTensorTransform& transform = globalTransforms_.transform
+        const vectorTensorTransform& transform = globalTransforms.transform
         (
-            globalTransforms_.transformIndex(wfiat)
+            globalTransforms.transformIndex(wfiat)
         );
 
         label patchI = mesh_.boundaryMesh().patchID()
@@ -1088,7 +1106,6 @@ Foam::InteractionLists<ParticleType>::InteractionLists(const polyMesh& mesh)
     writeCloud_(false),
     cellMapPtr_(),
     wallFaceMapPtr_(),
-    globalTransforms_(mesh_),
     maxDistance_(0.0),
     dil_(),
     dwfil_(),
@@ -1117,7 +1134,6 @@ Foam::InteractionLists<ParticleType>::InteractionLists
     writeCloud_(writeCloud),
     cellMapPtr_(),
     wallFaceMapPtr_(),
-    globalTransforms_(mesh_),
     maxDistance_(maxDistance),
     dil_(),
     dwfil_(),
diff --git a/src/lagrangian/basic/InteractionLists/InteractionLists.H b/src/lagrangian/basic/InteractionLists/InteractionLists.H
index 5d9d9f8115..545bb81e11 100644
--- a/src/lagrangian/basic/InteractionLists/InteractionLists.H
+++ b/src/lagrangian/basic/InteractionLists/InteractionLists.H
@@ -60,21 +60,17 @@ SourceFiles
 #define InteractionLists_H
 
 #include "polyMesh.H"
-#include "globalIndexAndTransform.H"
 #include "referredWallFace.H"
-#include "indexedOctree.H"
-#include "Tuple2.H"
-#include "treeDataCell.H"
-#include "treeDataFace.H"
-#include "mapDistribute.H"
-#include "volFields.H"
-#include "Random.H"
+//#include "mapDistribute.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 namespace Foam
 {
 
+class globalIndexAndTransform;
+class mapDistribute;
+
 /*---------------------------------------------------------------------------*\
                        Class InteractionLists Declaration
 \*---------------------------------------------------------------------------*/
@@ -100,10 +96,6 @@ class InteractionLists
         //- mapDistribute to exchange wall face data
         autoPtr<mapDistribute> wallFaceMapPtr_;
 
-        //- Storage and encoding/decoding for all possible transforms
-        //  of the geometry
-        globalIndexAndTransform globalTransforms_;
-
         //- Maximum distance over which interactions will be detected
         scalar maxDistance_;
 
@@ -259,9 +251,6 @@ public:
             //- Return access to the wallFaceMap
             inline const mapDistribute& wallFaceMap() const;
 
-            //- Return access to the globalTransforms
-            inline const globalIndexAndTransform& globalTransforms() const;
-
             //- Return access to the direct interaction list
             inline const labelListList& dil() const;
 
diff --git a/src/lagrangian/basic/InteractionLists/InteractionListsI.H b/src/lagrangian/basic/InteractionLists/InteractionListsI.H
index 1b61942f5e..c793dc0e63 100644
--- a/src/lagrangian/basic/InteractionLists/InteractionListsI.H
+++ b/src/lagrangian/basic/InteractionLists/InteractionListsI.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2008-2010 OpenCFD Ltd.
+    \\  /    A nd           | Copyright (C) 2008-2011 OpenCFD Ltd.
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -50,14 +50,6 @@ Foam::InteractionLists<ParticleType>::wallFaceMap() const
 }
 
 
-template<class ParticleType>
-const Foam::globalIndexAndTransform&
-Foam::InteractionLists<ParticleType>::globalTransforms() const
-{
-    return globalTransforms_;
-}
-
-
 template<class ParticleType>
 const Foam::labelListList& Foam::InteractionLists<ParticleType>::dil() const
 {