Index: DDDefs.h
===================================================================
diff -u -r533a9ae8c09773e187fef3e8d290ed9387d6632a -rbd948caa0886e2d114fc6854a793dc0cfba2b218
--- DDDefs.h	(.../DDDefs.h)	(revision 533a9ae8c09773e187fef3e8d290ed9387d6632a)
+++ DDDefs.h	(.../DDDefs.h)	(revision bd948caa0886e2d114fc6854a793dc0cfba2b218)
@@ -501,7 +501,18 @@
 };
 typedef enum Dry_Bicart_Fill_Exec_States DRY_BICART_FILL_EXEC_STATE_T;  ///< Type for dry bicart fill exec state enumeration
 
+/// Enumeration of Bicarb chamber fill exec states.
+enum Bicarb_Chamber_F_Fill_Exec_States
+{
+    BICARB_CHAMBER_START_STATE = 0,                                  ///< Initial state of Chamber F fill
+    BICARB_CHAMBER_CHECK_LEVEL_STATE,                                ///< Bicarb Chamber check level state
+    BICARB_CHAMBER_FILL_STATE,                                       ///< Bicarb Chamber fill start state
+    BICARB_CHAMBER_PRESSURE_CHECK_STATE,                             ///< Bicarb Chamber pressure check start state
+    NUM_OF_BICARB_CHAMBER_FILL_EXEC_STATES                           ///< Number of Bicarb chamber fill state
+};
+typedef enum Bicarb_Chamber_F_Fill_Exec_States BICARB_CHAMBER_FILL_EXEC_STATE_T;  ///< Type for bicarb chamber fill exec state enumeration
 
+
 /**@}*/
 
 #endif
Index: MsgDefs.h
===================================================================
diff -u -r533a9ae8c09773e187fef3e8d290ed9387d6632a -rbd948caa0886e2d114fc6854a793dc0cfba2b218
--- MsgDefs.h	(.../MsgDefs.h)	(revision 533a9ae8c09773e187fef3e8d290ed9387d6632a)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision bd948caa0886e2d114fc6854a793dc0cfba2b218)
@@ -302,6 +302,7 @@
     MSG_ID_DD_DRY_BICART_DATA_PUBLISH_INTERVAL_OVERRIDE_REQUEST = 0xA054,           ///< DD dry bicart broadcast data overrride request
     MSG_ID_DD_DRY_BICART_FILL_CYCLE_MAX_OVERRIDE_REQUEST = 0xA055,                  ///< DD dry bicart fill cycle max count overrride request
     MSG_ID_DD_DRY_BICART_FILL_REQUEST_OVERRIDE_REQUEST = 0xA056,                    ///< DD dry bicart fill request overrride request
+    MSG_ID_DD_BICARB_CHAMBER_FILL_REQUEST_OVERRIDE_REQUEST = 0xA057,                ///< DD bicarb chamber fill request overrride request
 
     MSG_ID_FIRST_FP_TESTER_MESSAGE = 0xB000,                                        ///< First FP test message ID
     MSG_ID_FP_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_FP_TESTER_MESSAGE,                ///< FP tester log-in