diff --git a/model/ddl.sql b/model/ddl.sql
index 865d4fa..c727eff 100644
--- a/model/ddl.sql
+++ b/model/ddl.sql
@@ -120,6 +120,12 @@ CREATE TABLE PUBLIC.BAY (
     BUSINESS JSONB NOT NULL DEFAULT '{}', -- {'unom':0.0,'bus_connected':''}
   	FROM_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
   	TO_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
+    DEV_PROTECT JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_FAULT_RECORD JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_STATUS JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_DYN_SENSE JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_INSTRUCT JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_ETC JSONB NOT NULL DEFAULT '[]', -- devices
     OP INTEGER NOT NULL DEFAULT -1,
     TS TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP 
 );
diff --git a/model/ddl_4_bay.sql b/model/ddl_4_bay.sql
index 38adac9..de175b5 100644
--- a/model/ddl_4_bay.sql
+++ b/model/ddl_4_bay.sql
@@ -18,6 +18,12 @@ CREATE TABLE PUBLIC.BAY (
     BUSINESS JSONB NOT NULL DEFAULT '{}', -- {'unom':0.0,'bus_connected':''}
   	FROM_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
   	TO_UUIDS JSONB NOT NULL DEFAULT '[]', -- uuids
+    DEV_PROTECT JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_FAULT_RECORD JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_STATUS JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_DYN_SENSE JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_INSTRUCT JSONB NOT NULL DEFAULT '[]', -- devices
+    DEV_ETC JSONB NOT NULL DEFAULT '[]', -- devices
 	  OP INTEGER NOT NULL DEFAULT -1,
     TS TIMESTAMPTZ NOT NULL DEFAULT CURRENT_TIMESTAMP 
 );
\ No newline at end of file