diff --git a/src/dynamicMesh/dynamicMesh/polyMeshModifiers/refinement/refinement/refinement.C b/src/dynamicMesh/dynamicMesh/polyMeshModifiers/refinement/refinement/refinement.C
index eaf3e075e..63e1dd1fe 100644
--- a/src/dynamicMesh/dynamicMesh/polyMeshModifiers/refinement/refinement/refinement.C
+++ b/src/dynamicMesh/dynamicMesh/polyMeshModifiers/refinement/refinement/refinement.C
@@ -1343,8 +1343,8 @@ void Foam::refinement::setRefinement(polyTopoChange& ref) const
         mesh_,
         pointLevel_,
         maxEqOp<label>(),
-        0,   // Null value
-        true // Apply separation for parallel cyclics
+        label(0),   // Null value
+        true        // Apply separation for parallel cyclics
     );
 
     // Set refinement and unrefinement
@@ -1512,8 +1512,8 @@ void Foam::refinement::updateMesh(const mapPolyMesh& map)
         mesh_,
         newPointLevel,
         maxEqOp<label>(),
-        0,   // Null value
-        true // Apply separation for parallel cyclics
+        label(0),   // Null value
+        true        // Apply separation for parallel cyclics
     );
 
     // Transfer the new point level into the data member
diff --git a/src/finiteVolume/fields/fvPatchFields/basic/fixedGradient/fixedGradientFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/basic/fixedGradient/fixedGradientFvPatchField.C
index fa1a73466..3e8437239 100644
--- a/src/finiteVolume/fields/fvPatchFields/basic/fixedGradient/fixedGradientFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/basic/fixedGradient/fixedGradientFvPatchField.C
@@ -67,11 +67,20 @@ fixedGradientFvPatchField<Type>::fixedGradientFvPatchField
     const dictionary& dict
 )
 :
-    // HR 15.12.18: Must not call evaluate during construction. Read value
-    // instead. This is needed for PLB.
-    fvPatchField<Type>(p, iF, dict, true),
+    fvPatchField<Type>(p, iF, dict),
     gradient_("gradient", dict, p.size())
-{}
+{
+    // Call evaluate only if the value is not found. Used to avoid evaluating
+    // when we have incomplete meshes during Parallel Load Balancing. When
+    // shipping the field over to another processor, we first call write, making
+    // sure that the value is written and read it on the other side (see
+    // write member function). If this proves to be problematic, we can always
+    // initialize with patch internal field for the start-up. VV, 12/Apr/2019.
+    if (!dict.found("value"))
+    {
+        evaluate();
+    }
+}
 
 
 template<class Type>
@@ -190,6 +199,11 @@ void fixedGradientFvPatchField<Type>::write(Ostream& os) const
 {
     fvPatchField<Type>::write(os);
     gradient_.writeEntry("gradient", os);
+
+    // Write value along with the gradient in order to avoid calling evaluate
+    // on construction (from dictionary constructor) for Parallel Load Balancing
+    // runs. See dictionary constructor for details. VV, 12/Apr/2019.
+    this->writeEntry("value", os);
 }
 
 
diff --git a/src/finiteVolume/fields/fvPatchFields/basic/mixed/mixedFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/basic/mixed/mixedFvPatchField.C
index e542db57b..2223cc6d4 100644
--- a/src/finiteVolume/fields/fvPatchFields/basic/mixed/mixedFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/basic/mixed/mixedFvPatchField.C
@@ -54,13 +54,22 @@ mixedFvPatchField<Type>::mixedFvPatchField
     const dictionary& dict
 )
 :
-    // HR 15.12.18: Must not call evaluate during construction. Read value
-    // instead. This is needed for PLB.
-    fvPatchField<Type>(p, iF, dict, true),
+    fvPatchField<Type>(p, iF, dict),
     refValue_("refValue", dict, p.size()),
     refGrad_("refGradient", dict, p.size()),
     valueFraction_("valueFraction", dict, p.size())
-{}
+{
+    // Call evaluate only if the value is not found. Used to avoid evaluating
+    // when we have incomplete meshes during Parallel Load Balancing. When
+    // shipping the field over to another processor, we first call write, making
+    // sure that the value is written and read it on the other side (see
+    // write member function). If this proves to be problematic, we can always
+    // initialize with patch internal field for the start-up. VV, 12/Apr/2019.
+    if (!dict.found("value"))
+    {
+        evaluate();
+    }
+}
 
 
 template<class Type>
diff --git a/src/finiteVolume/fields/fvPatchFields/basic/transform/transformFvPatchField.C b/src/finiteVolume/fields/fvPatchFields/basic/transform/transformFvPatchField.C
index 27d6dd2c2..1199f4e87 100644
--- a/src/finiteVolume/fields/fvPatchFields/basic/transform/transformFvPatchField.C
+++ b/src/finiteVolume/fields/fvPatchFields/basic/transform/transformFvPatchField.C
@@ -41,7 +41,7 @@ transformFvPatchField<Type>::transformFvPatchField
     const DimensionedField<Type, volMesh>& iF
 )
 :
-   fvPatchField<Type>(p, iF)
+    fvPatchField<Type>(p, iF)
 {}
 
 
diff --git a/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C b/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C
index b0533cd44..c9050cd4d 100644
--- a/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C
+++ b/src/finiteVolume/finiteVolume/fvSchemes/fvSchemes.C
@@ -70,12 +70,7 @@ Foam::fvSchemes::fvSchemes(const objectRegistry& obr)
             "fvSchemes",
             obr.time().system(),
             obr,
-             (
-                obr.readOpt() == IOobject::MUST_READ
-             || obr.readOpt() == IOobject::READ_IF_PRESENT
-              ? IOobject::MUST_READ_IF_MODIFIED
-              : obr.readOpt()
-            ),
+            IOobject::READ_IF_PRESENT_IF_MODIFIED,  // Allow default dictionary creation
             IOobject::NO_WRITE
         )
     ),
@@ -173,17 +168,21 @@ Foam::fvSchemes::fvSchemes(const objectRegistry& obr)
     fluxRequired_(),  // Do not read flux required option
     defaultFluxRequired_(false)
 {
-    // HR 21.12.18 : Writing a default fvSchemes is not useful in PLB. Please
-    // specify MUST_READ on obr if you need this.
-    if
-    (
-        readOpt() == IOobject::MUST_READ
-     || readOpt() == IOobject::MUST_READ_IF_MODIFIED
-     || (readOpt() == IOobject::READ_IF_PRESENT && headerOk())
-    )
+    if (!headerOk())
     {
-        read();
+        if (debug)
+        {
+            InfoIn
+            (
+                "fvSchemes::fvSchemes(const objectRegistry& obr)"
+            )   << "fvSchemes dictionary not found.  Creating default."
+                << endl;
+        }
+
+        regIOobject::write();
     }
+
+    read();
 }
 
 
diff --git a/src/foam/primitives/hashes/Hasher/Hasher.C b/src/foam/primitives/hashes/Hasher/Hasher.C
index e26ba7262..3ea7b6dd1 100644
--- a/src/foam/primitives/hashes/Hasher/Hasher.C
+++ b/src/foam/primitives/hashes/Hasher/Hasher.C
@@ -457,8 +457,7 @@ static unsigned jenkins_hashbig
             case 4 : a += k[3]; [[fallthrough]];
             case 3 : a += static_cast<uint32_t>(k[2]) << 8; [[fallthrough]];
             case 2 : a += static_cast<uint32_t>(k[1]) << 16; [[fallthrough]];
-            case 1 : a += static_cast<uint32_t>(k[0]) << 24; [[fallthrough]];
-                break;
+            case 1 : a += static_cast<uint32_t>(k[0]) << 24; break;
             case 0 : return c;
         }
     }
diff --git a/src/immersedBoundary/immersedBoundary/immersedBoundaryPolyPatch/immersedBoundaryPolyPatch.C b/src/immersedBoundary/immersedBoundary/immersedBoundaryPolyPatch/immersedBoundaryPolyPatch.C
index 7d6d32938..f63398ff4 100644
--- a/src/immersedBoundary/immersedBoundary/immersedBoundaryPolyPatch/immersedBoundaryPolyPatch.C
+++ b/src/immersedBoundary/immersedBoundary/immersedBoundaryPolyPatch/immersedBoundaryPolyPatch.C
@@ -674,7 +674,7 @@ void Foam::immersedBoundaryPolyPatch::calcImmersedBoundary() const
                 {
                     // Direct face cut, coupled on live side
 
-                    // Get face index.  Noye the difference between faceI
+                    // Get face index.  Note the difference between faceI
                     // and patchFaceI
                     const label faceI = bMesh[patchI].start() + patchFaceI;
 
@@ -945,8 +945,8 @@ void Foam::immersedBoundaryPolyPatch::calcImmersedBoundary() const
                 // Wet on wet
                 if
                 (
-                    intersectedCell[patchFaceI] == immersedPoly::WET
-                 && intersectedCell[patchFaceI] == immersedPoly::WET
+                    curOwnCut[patchFaceI] == immersedPoly::WET
+                 && curNbrCut[patchFaceI] == immersedPoly::WET
                 )
                 {
                     intersectedFace[patchStart + patchFaceI] =
@@ -956,8 +956,8 @@ void Foam::immersedBoundaryPolyPatch::calcImmersedBoundary() const
                 // Dry on dry
                 if
                 (
-                    intersectedCell[patchFaceI] == immersedPoly::DRY
-                 && intersectedCell[patchFaceI] == immersedPoly::DRY
+                    curOwnCut[patchFaceI] == immersedPoly::DRY
+                 && curNbrCut[patchFaceI] == immersedPoly::DRY
                 )
                 {
                     intersectedFace[patchStart + patchFaceI] =
@@ -969,12 +969,12 @@ void Foam::immersedBoundaryPolyPatch::calcImmersedBoundary() const
                 if
                 (
                     (
-                        intersectedCell[patchFaceI] == immersedPoly::WET
-                     && intersectedCell[patchFaceI] == immersedPoly::CUT
+                        curOwnCut[patchFaceI] == immersedPoly::WET
+                     && curNbrCut[patchFaceI] == immersedPoly::CUT
                     )
                  || (
-                        intersectedCell[patchFaceI] == immersedPoly::CUT
-                     && intersectedCell[patchFaceI] == immersedPoly::WET
+                        curOwnCut[patchFaceI] == immersedPoly::CUT
+                     && curNbrCut[patchFaceI] == immersedPoly::WET
                     )
                 )
                 {