[#4180] Block total from getting set on HourlyDeliverables.

app/models/hourly_deliverable.rb

@@ -7,7 +7,23 @@ class HourlyDeliverable < Deliverable
 
   # Accessors
 
+  # Callbacks
+  before_save :clear_total
+
   def short_type
     'H'
   end
+
+  # Block getting and setting the total on HourlyDeliverables
+  def total
+    nil
+  end
+  
+  def total=(v)
+    nil
+  end
+
+  def clear_total
+    write_attribute(:total, nil)
+  end
 end