diff --git a/.gitignore b/.gitignore
index 138a636d60995796f8ab7f7090bcb8e754d5e6ed..a897b8121d8ad41b4c57c3f52467b96d427965ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,8 +6,6 @@
 .*~
 *.bak
 *.bak[0-9][0-9]
-*.orig
-*.orig[0-9][0-9]
 \#*\#
 
 # File-browser settings - anywhere
diff --git a/tutorials/combustion/fireFoam/les/flameSpreadWaterSuppressionPanel/0/ph_rgh.orig b/tutorials/combustion/fireFoam/les/flameSpreadWaterSuppressionPanel/0/ph_rgh.orig
new file mode 100644
index 0000000000000000000000000000000000000000..c8d764aa048b519a24b86fbf7596fe70557ed87c
--- /dev/null
+++ b/tutorials/combustion/fireFoam/les/flameSpreadWaterSuppressionPanel/0/ph_rgh.orig
@@ -0,0 +1,55 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      ph_rgh;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -2 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    outlet
+    {
+        type            fixedValue;
+        value           $internalField;
+    }
+
+    side
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    ground
+    {
+        type            fixedFluxPressure;
+    }
+
+    inlet
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    region0_to_pyrolysisRegion_coupledWall
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/combustion/fireFoam/les/oppositeBurningPanels/0/ph_rgh.orig b/tutorials/combustion/fireFoam/les/oppositeBurningPanels/0/ph_rgh.orig
new file mode 100644
index 0000000000000000000000000000000000000000..bf41c4365a54e9e3e40011702762c16b8d1e4080
--- /dev/null
+++ b/tutorials/combustion/fireFoam/les/oppositeBurningPanels/0/ph_rgh.orig
@@ -0,0 +1,56 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      ph_rgh;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -2 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    ground
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    burner
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    top
+    {
+        type            fixedValue;
+        value           $internalField;
+    }
+
+    sides
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    "(region0_to.*)"
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/combustion/fireFoam/les/smallPoolFire2D/0/ph_rgh.orig b/tutorials/combustion/fireFoam/les/smallPoolFire2D/0/ph_rgh.orig
new file mode 100644
index 0000000000000000000000000000000000000000..e2fcf692f233fad17f8c074e65973be92a27927f
--- /dev/null
+++ b/tutorials/combustion/fireFoam/les/smallPoolFire2D/0/ph_rgh.orig
@@ -0,0 +1,55 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      ph_rgh;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -2 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    outlet
+    {
+        type            fixedValue;
+        value           $internalField;
+    }
+
+    sides
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    base
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    inlet
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    frontAndBack
+    {
+        type            empty;
+    }
+}
+
+
+// ************************************************************************* //
diff --git a/tutorials/combustion/fireFoam/les/smallPoolFire3D/0/ph_rgh.orig b/tutorials/combustion/fireFoam/les/smallPoolFire3D/0/ph_rgh.orig
new file mode 100644
index 0000000000000000000000000000000000000000..3a5ed69ec5fbfab4fa3e1f51d982ef70866eb05d
--- /dev/null
+++ b/tutorials/combustion/fireFoam/les/smallPoolFire3D/0/ph_rgh.orig
@@ -0,0 +1,50 @@
+/*--------------------------------*- C++ -*----------------------------------*\
+| =========                 |                                                 |
+| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
+|  \\    /   O peration     | Version:  dev                                   |
+|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
+|    \\/     M anipulation  |                                                 |
+\*---------------------------------------------------------------------------*/
+FoamFile
+{
+    version     2.0;
+    format      ascii;
+    class       volScalarField;
+    location    "0";
+    object      ph_rgh;
+}
+// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
+
+dimensions      [1 -1 -2 0 0 0 0];
+
+internalField   uniform 0;
+
+boundaryField
+{
+    outlet
+    {
+        type            fixedValue;
+        value           $internalField;
+    }
+
+    sides
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    base
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+
+    inlet
+    {
+        type            fixedFluxPressure;
+        value           $internalField;
+    }
+}
+
+
+// ************************************************************************* //