diff --git a/src/lagrangian/coalCombustion/coalParcel/coalParcel.C b/src/lagrangian/coalCombustion/coalParcel/coalParcel.C
index b1b6120906a9d9f1faa07a744d108e1cde66aa83..218ce201a057efaede5fedcee3e2b54785126127 100644
--- a/src/lagrangian/coalCombustion/coalParcel/coalParcel.C
+++ b/src/lagrangian/coalCombustion/coalParcel/coalParcel.C
@@ -42,7 +42,18 @@ Foam::coalParcel::coalParcel
 (
     ReactingMultiphaseCloud<coalParcel>& owner,
     const vector& position,
-    const label celli,
+    const label cellI
+)
+:
+    ReactingMultiphaseParcel<coalParcel>(owner, position, cellI)
+{}
+
+
+Foam::coalParcel::coalParcel
+(
+    ReactingMultiphaseCloud<coalParcel>& owner,
+    const vector& position,
+    const label cellI,
     const label typeId,
     const scalar nParticle0,
     const scalar d0,
@@ -58,7 +69,7 @@ Foam::coalParcel::coalParcel
     (
         owner,
         position,
-        celli,
+        cellI,
         typeId,
         nParticle0,
         d0,
diff --git a/src/lagrangian/coalCombustion/coalParcel/coalParcel.H b/src/lagrangian/coalCombustion/coalParcel/coalParcel.H
index af3be65f84b4449984d6ebfe65053fc98b3ab773..34b009530f6803db3c0ac60227decddf53570d1f 100644
--- a/src/lagrangian/coalCombustion/coalParcel/coalParcel.H
+++ b/src/lagrangian/coalCombustion/coalParcel/coalParcel.H
@@ -59,12 +59,21 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        coalParcel
+        (
+             ReactingMultiphaseCloud<coalParcel>& owner,
+             const vector& position,
+             const label cellI
+        );
+
         //- Construct from components
         coalParcel
         (
              ReactingMultiphaseCloud<coalParcel>& owner,
              const vector& position,
-             const label celli,
+             const label cellI,
              const label typeId,
              const scalar nParticle0,
              const scalar d0,
diff --git a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcel.H b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcel.H
index b51612bb53e6325a4c35f6375d13922c1308847d..c551ecec9f3afed4d53e25273692aa6c59476408 100644
--- a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcel.H
+++ b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcel.H
@@ -263,6 +263,15 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        inline KinematicParcel
+        (
+            KinematicCloud<ParcelType>& owner,
+            const vector& position,
+            const label cellI
+        );
+
         //- Construct from components
         inline KinematicParcel
         (
diff --git a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcelI.H b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcelI.H
index 2adc0e944d0215c145e139a04c0a9a19e6544203..e0d927153780af56e42ac11af2db03636bd583b0 100644
--- a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcelI.H
+++ b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/KinematicParcelI.H
@@ -63,6 +63,28 @@ inline Foam::KinematicParcel<ParcelType>::trackData::trackData
 {}
 
 
+template <class ParcelType>
+inline Foam::KinematicParcel<ParcelType>::KinematicParcel
+(
+    KinematicCloud<ParcelType>& owner,
+    const vector& position,
+    const label cellI
+)
+:
+    Particle<ParcelType>(owner, position, cellI),
+    typeId_(owner.parcelTypeId()),
+    nParticle_(0),
+    d_(0.0),
+    U_(vector::zero),
+    rho_(0.0),
+    tTurb_(0.0),
+    UTurb_(vector::zero),
+    rhoc_(0.0),
+    Uc_(vector::zero),
+    muc_(0.0)
+{}
+
+
 template <class ParcelType>
 inline Foam::KinematicParcel<ParcelType>::KinematicParcel
 (
diff --git a/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcel.H b/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcel.H
index e117fb68404e74af68f9e43eed0732fbf7ce733f..6188735230ab3530db3787f463d26edb24e484ee 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcel.H
+++ b/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcel.H
@@ -276,6 +276,16 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        inline ReactingMultiphaseParcel
+        (
+            ReactingMultiphaseCloud<ParcelType>& owner,
+            const vector& position,
+            const label cellI
+        );
+
+
         //- Construct from components
         inline ReactingMultiphaseParcel
         (
@@ -328,6 +338,9 @@ public:
             //- Return const access to mass fractions of solids
             inline const scalarField& YSolid() const;
 
+            //- Return const access to the canCombust flag
+            inline bool canCombust() const;
+
 
         // Edit
 
@@ -340,6 +353,9 @@ public:
             //- Return access to mass fractions of solids
             inline scalarField& YSolid();
 
+            //- Return access to the canCombust flag
+            inline bool& canCombust();
+
 
         // Main calculation loop
 
diff --git a/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcelI.H b/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcelI.H
index e70b922ae21621cbcb5ae6665e148697515a29d8..adb3ca16b404cf9439f8d923f99bfe237393362a 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcelI.H
+++ b/src/lagrangian/intermediate/parcels/Templates/ReactingMultiphaseParcel/ReactingMultiphaseParcelI.H
@@ -85,6 +85,22 @@ inline Foam::ReactingMultiphaseParcel<ParcelType>::trackData::trackData
 {}
 
 
+template <class ParcelType>
+inline Foam::ReactingMultiphaseParcel<ParcelType>::ReactingMultiphaseParcel
+(
+    ReactingMultiphaseCloud<ParcelType>& owner,
+    const vector& position,
+    const label cellI
+)
+:
+    ReactingParcel<ParcelType>(owner, position, cellI),
+    YGas_(0),
+    YLiquid_(0),
+    YSolid_(0),
+    canCombust_(false)
+{}
+
+
 template<class ParcelType>
 inline Foam::ReactingMultiphaseParcel<ParcelType>::ReactingMultiphaseParcel
 (
@@ -185,6 +201,13 @@ YSolid() const
 }
 
 
+template<class ParcelType>
+inline bool Foam::ReactingMultiphaseParcel<ParcelType>::canCombust() const
+{
+    return canCombust_;
+}
+
+
 template<class ParcelType>
 inline Foam::scalarField& Foam::ReactingMultiphaseParcel<ParcelType>::YGas()
 {
@@ -206,4 +229,10 @@ inline Foam::scalarField& Foam::ReactingMultiphaseParcel<ParcelType>::YSolid()
 }
 
 
+template<class ParcelType>
+inline bool& Foam::ReactingMultiphaseParcel<ParcelType>::canCombust()
+{
+    return canCombust_;
+}
+
 // ************************************************************************* //
diff --git a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.H b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.H
index 4a9f9b17cb1401e7917660ba051f5ed93ecdb1f7..e864bd5654d22fccc381293b9251c389006be473 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.H
+++ b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcel.H
@@ -228,6 +228,15 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        inline ReactingParcel
+        (
+            ReactingCloud<ParcelType>& owner,
+            const vector& position,
+            const label cellI
+        );
+
         //- Construct from components
         inline ReactingParcel
         (
diff --git a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcelI.H b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcelI.H
index 344eb09398a80d60cb3a117cf1da53eb7fc4fd6c..6875c5ffc1d17408f431e13d617f7a73d395f67c 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcelI.H
+++ b/src/lagrangian/intermediate/parcels/Templates/ReactingParcel/ReactingParcelI.H
@@ -71,6 +71,21 @@ inline Foam::ReactingParcel<ParcelType>::trackData::trackData
 {}
 
 
+template<class ParcelType>
+inline Foam::ReactingParcel<ParcelType>::ReactingParcel
+(
+    ReactingCloud<ParcelType>& owner,
+    const vector& position,
+    const label cellI
+)
+:
+    ThermoParcel<ParcelType>(owner, position, cellI),
+    mass0_(0.0),
+    Y_(0),
+    pc_(0.0)
+{}
+
+
 template<class ParcelType>
 inline Foam::ReactingParcel<ParcelType>::ReactingParcel
 (
diff --git a/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcel.H b/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcel.H
index 833577dbbca4dc64fe5e4eadc0445afad6d2f67d..aeeaf78cec62c43e08cba5d3311be02313e9b85d 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcel.H
+++ b/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcel.H
@@ -242,6 +242,15 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        inline ThermoParcel
+        (
+            ThermoCloud<ParcelType>& owner,
+            const vector& position,
+            const label cellI
+        );
+
         //- Construct from components
         inline ThermoParcel
         (
diff --git a/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcelI.H b/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcelI.H
index 6e929b6e691f2c913c122413a2c36df90c3171b7..8ce0cb56915196a30a7348af7582c64161d17523 100644
--- a/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcelI.H
+++ b/src/lagrangian/intermediate/parcels/Templates/ThermoParcel/ThermoParcelI.H
@@ -70,6 +70,22 @@ inline Foam::ThermoParcel<ParcelType>::trackData::trackData
 {}
 
 
+template<class ParcelType>
+inline Foam::ThermoParcel<ParcelType>::ThermoParcel
+(
+    ThermoCloud<ParcelType>& owner,
+    const vector& position,
+    const label cellI
+)
+:
+    KinematicParcel<ParcelType>(owner, position, cellI),
+    T_(0.0),
+    cp_(0.0),
+    Tc_(0.0),
+    cpc_(0.0)
+{}
+
+
 template<class ParcelType>
 inline Foam::ThermoParcel<ParcelType>::ThermoParcel
 (
diff --git a/src/lagrangian/intermediate/parcels/Templates/TrackedReactingParcel/TrackedReactingParcel.H b/src/lagrangian/intermediate/parcels/Templates/TrackedReactingParcel/TrackedReactingParcel.H
index 57649e5b66932e351565009157c3a0e910bb401a..ad1411f17f433272ecd3dc35e7439100f0cc0b6d 100644
--- a/src/lagrangian/intermediate/parcels/Templates/TrackedReactingParcel/TrackedReactingParcel.H
+++ b/src/lagrangian/intermediate/parcels/Templates/TrackedReactingParcel/TrackedReactingParcel.H
@@ -81,6 +81,15 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        inline TrackedReactingParcel
+        (
+            ReactingCloud<ParcelType>& owner,
+            const vector& position,
+            const label cellI
+        );
+
         //- Construct from components
         inline TrackedReactingParcel
         (
diff --git a/src/lagrangian/intermediate/parcels/Templates/TrackedReactingParcel/TrackedReactingParcelI.H b/src/lagrangian/intermediate/parcels/Templates/TrackedReactingParcel/TrackedReactingParcelI.H
index 241e0defced2063f6fe51462c84f64fec2c2c08d..f594c95a027a06d38b1ea982e70f364c9b2bcdeb 100644
--- a/src/lagrangian/intermediate/parcels/Templates/TrackedReactingParcel/TrackedReactingParcelI.H
+++ b/src/lagrangian/intermediate/parcels/Templates/TrackedReactingParcel/TrackedReactingParcelI.H
@@ -26,6 +26,19 @@ License
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
+template <class ParcelType>
+inline Foam::TrackedReactingParcel<ParcelType>::TrackedReactingParcel
+(
+    ReactingCloud<ParcelType>& owner,
+    const vector& position,
+    const label cellI
+)
+:
+    ReactingParcel<ParcelType>(owner, position, cellI),
+    ParticleTrackingData<ParcelType>(owner)
+{}
+
+
 template <class ParcelType>
 inline Foam::TrackedReactingParcel<ParcelType>::TrackedReactingParcel
 (
diff --git a/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/basicKinematicParcel.C b/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/basicKinematicParcel.C
index 2f0bd818c6084f477b31b6d5f45445f7770a2703..e7f883dcfdacd0c275f2bb7b7f8c942c1957e980 100644
--- a/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/basicKinematicParcel.C
+++ b/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/basicKinematicParcel.C
@@ -38,6 +38,17 @@ namespace Foam
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
+Foam::basicKinematicParcel::basicKinematicParcel
+(
+    KinematicCloud<basicKinematicParcel>& owner,
+    const vector& position,
+    const label cellI
+)
+:
+    KinematicParcel<basicKinematicParcel>(owner, position, cellI)
+{}
+
+
 Foam::basicKinematicParcel::basicKinematicParcel
 (
     KinematicCloud<basicKinematicParcel>& owner,
diff --git a/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/basicKinematicParcel.H b/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/basicKinematicParcel.H
index c16a476c775f8cc984ca50729fe0e013b1cdffca..18b43cbbadc5baa621870b145d8c22b32b8f050e 100644
--- a/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/basicKinematicParcel.H
+++ b/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/basicKinematicParcel.H
@@ -60,6 +60,15 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        basicKinematicParcel
+        (
+            KinematicCloud<basicKinematicParcel>& owner,
+            const vector& position,
+            const label cellI
+        );
+
         //- Construct from components
         basicKinematicParcel
         (
diff --git a/src/lagrangian/intermediate/parcels/derived/basicReactingMultiphaseParcel/basicReactingMultiphaseParcel.C b/src/lagrangian/intermediate/parcels/derived/basicReactingMultiphaseParcel/basicReactingMultiphaseParcel.C
index abe056040070f7b71302151e072375745d45e85c..45e68e1dbe911d1e0bf6b8cd74435d86c253050b 100644
--- a/src/lagrangian/intermediate/parcels/derived/basicReactingMultiphaseParcel/basicReactingMultiphaseParcel.C
+++ b/src/lagrangian/intermediate/parcels/derived/basicReactingMultiphaseParcel/basicReactingMultiphaseParcel.C
@@ -38,6 +38,22 @@ namespace Foam
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
+Foam::basicReactingMultiphaseParcel::basicReactingMultiphaseParcel
+(
+    ReactingMultiphaseCloud<basicReactingMultiphaseParcel>& owner,
+    const vector& position,
+    const label cellI
+)
+:
+    ReactingMultiphaseParcel<basicReactingMultiphaseParcel>
+    (
+        owner,
+        position,
+        cellI
+    )
+{}
+
+
 Foam::basicReactingMultiphaseParcel::basicReactingMultiphaseParcel
 (
     ReactingMultiphaseCloud<basicReactingMultiphaseParcel>& owner,
diff --git a/src/lagrangian/intermediate/parcels/derived/basicReactingMultiphaseParcel/basicReactingMultiphaseParcel.H b/src/lagrangian/intermediate/parcels/derived/basicReactingMultiphaseParcel/basicReactingMultiphaseParcel.H
index 47a000be7a1cf05589977f19d597f0c2bb7071f3..9f3cc3aa41b79f975b52cfe3be8aa992c274910b 100644
--- a/src/lagrangian/intermediate/parcels/derived/basicReactingMultiphaseParcel/basicReactingMultiphaseParcel.H
+++ b/src/lagrangian/intermediate/parcels/derived/basicReactingMultiphaseParcel/basicReactingMultiphaseParcel.H
@@ -60,6 +60,15 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        basicReactingMultiphaseParcel
+        (
+             ReactingMultiphaseCloud<basicReactingMultiphaseParcel>& owner,
+             const vector& position,
+             const label cellI
+        );
+
         //- Construct from components
         basicReactingMultiphaseParcel
         (
diff --git a/src/lagrangian/intermediate/parcels/derived/basicReactingParcel/basicReactingParcel.C b/src/lagrangian/intermediate/parcels/derived/basicReactingParcel/basicReactingParcel.C
index bef5bbd0eec03b3534385b9509de88d7f51e21c2..480f4d6b1957ec5ebf921daba40c5be5e448b8a2 100644
--- a/src/lagrangian/intermediate/parcels/derived/basicReactingParcel/basicReactingParcel.C
+++ b/src/lagrangian/intermediate/parcels/derived/basicReactingParcel/basicReactingParcel.C
@@ -38,6 +38,17 @@ namespace Foam
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
+Foam::basicReactingParcel::basicReactingParcel
+(
+    ReactingCloud<basicReactingParcel>& owner,
+    const vector& position,
+    const label cellI
+)
+:
+    ReactingParcel<basicReactingParcel>(owner, position, cellI)
+{}
+
+
 Foam::basicReactingParcel::basicReactingParcel
 (
     ReactingCloud<basicReactingParcel>& owner,
diff --git a/src/lagrangian/intermediate/parcels/derived/basicReactingParcel/basicReactingParcel.H b/src/lagrangian/intermediate/parcels/derived/basicReactingParcel/basicReactingParcel.H
index bebb4961c0feb7393bafbfe1c62a484e1277b6f6..432199e5320c2a0909f1a94e2c52aa4844923323 100644
--- a/src/lagrangian/intermediate/parcels/derived/basicReactingParcel/basicReactingParcel.H
+++ b/src/lagrangian/intermediate/parcels/derived/basicReactingParcel/basicReactingParcel.H
@@ -60,6 +60,15 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        basicReactingParcel
+        (
+            ReactingCloud<basicReactingParcel>& owner,
+            const vector& position,
+            const label cellI
+        );
+
         //- Construct from components
         basicReactingParcel
         (
diff --git a/src/lagrangian/intermediate/parcels/derived/basicThermoParcel/basicThermoParcel.C b/src/lagrangian/intermediate/parcels/derived/basicThermoParcel/basicThermoParcel.C
index 970d28169c7a11252dfffa08856ee8c0de230cf8..7f2524cbd282cfb8d9543c069d22b07db8add93b 100644
--- a/src/lagrangian/intermediate/parcels/derived/basicThermoParcel/basicThermoParcel.C
+++ b/src/lagrangian/intermediate/parcels/derived/basicThermoParcel/basicThermoParcel.C
@@ -38,6 +38,17 @@ namespace Foam
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
+Foam::basicThermoParcel::basicThermoParcel
+(
+    ThermoCloud<basicThermoParcel>& owner,
+    const vector position,
+    const label cellI
+)
+:
+    ThermoParcel<basicThermoParcel>(owner, position, cellI)
+{}
+
+
 Foam::basicThermoParcel::basicThermoParcel
 (
     ThermoCloud<basicThermoParcel>& owner,
diff --git a/src/lagrangian/intermediate/parcels/derived/basicThermoParcel/basicThermoParcel.H b/src/lagrangian/intermediate/parcels/derived/basicThermoParcel/basicThermoParcel.H
index 93026560e0ae85978a2536fa7b1f95a30df154fe..974c36e23a96f51bb57d3009fea0a1951fbf331e 100644
--- a/src/lagrangian/intermediate/parcels/derived/basicThermoParcel/basicThermoParcel.H
+++ b/src/lagrangian/intermediate/parcels/derived/basicThermoParcel/basicThermoParcel.H
@@ -59,6 +59,15 @@ public:
 
     // Constructors
 
+       //- Construct from owner, position, and cloud owner
+       //  Other properties initialised as null
+       basicThermoParcel
+       (
+            ThermoCloud<basicThermoParcel>& owner,
+            const vector position,
+            const label cellI
+       );
+
        //- Construct from components
        basicThermoParcel
        (
diff --git a/src/lagrangian/intermediate/parcels/derived/trackedReactingParcel/trackedReactingParcel.C b/src/lagrangian/intermediate/parcels/derived/trackedReactingParcel/trackedReactingParcel.C
index 932add74a95199528931ac33e6f3a6e44db4ffb6..156953a80454a7f42c698a188dd9a5abdaf49c24 100644
--- a/src/lagrangian/intermediate/parcels/derived/trackedReactingParcel/trackedReactingParcel.C
+++ b/src/lagrangian/intermediate/parcels/derived/trackedReactingParcel/trackedReactingParcel.C
@@ -38,6 +38,17 @@ namespace Foam
 
 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
+Foam::trackedReactingParcel::trackedReactingParcel
+(
+    ReactingCloud<trackedReactingParcel>& owner,
+    const vector& position,
+    const label cellI
+)
+:
+    TrackedReactingParcel<trackedReactingParcel>(owner, position, cellI)
+{}
+
+
 Foam::trackedReactingParcel::trackedReactingParcel
 (
     ReactingCloud<trackedReactingParcel>& owner,
diff --git a/src/lagrangian/intermediate/parcels/derived/trackedReactingParcel/trackedReactingParcel.H b/src/lagrangian/intermediate/parcels/derived/trackedReactingParcel/trackedReactingParcel.H
index 570f779a054b9161ae3ea528630cecfe1bc2157f..47e0291a65fda5e2ca100a22c95299263e31a643 100644
--- a/src/lagrangian/intermediate/parcels/derived/trackedReactingParcel/trackedReactingParcel.H
+++ b/src/lagrangian/intermediate/parcels/derived/trackedReactingParcel/trackedReactingParcel.H
@@ -60,6 +60,15 @@ public:
 
     // Constructors
 
+        //- Construct from owner, position, and cloud owner
+        //  Other properties initialised as null
+        trackedReactingParcel
+        (
+            ReactingCloud<trackedReactingParcel>& owner,
+            const vector& position,
+            const label cellI
+        );
+
         //- Construct from components
         trackedReactingParcel
         (