diff --git a/hub/city_model_structure/life_cycle_assessment/access_nrcan_catalogue.py b/hub/city_model_structure/life_cycle_assessment/access_nrcan_catalogue.py
index 3340d9f2..af179b0d 100644
--- a/hub/city_model_structure/life_cycle_assessment/access_nrcan_catalogue.py
+++ b/hub/city_model_structure/life_cycle_assessment/access_nrcan_catalogue.py
@@ -9,6 +9,9 @@ Code contributors: Alireza Adli alireza.adli@concordia.ca
 import json
 from pathlib import Path
 
+from hub.helpers.data.hub_function_to_nrcan_construction_function \
+  import HubFunctionToNrcanConstructionFunction
+
 
 class AccessNrcanCatalog:
   """
@@ -21,6 +24,7 @@ class AccessNrcanCatalog:
     self._path = Path(path)
     self.archetypes = archetypes
     self.constructions = constructions
+    self.hub_to_nrcan_dictionary = HubFunctionToNrcanConstructionFunction().dictionary
 
   @property
   def archetypes(self):
@@ -40,8 +44,12 @@ class AccessNrcanCatalog:
     constructions_path = (self._path / constructions).resolve()
     self._constructions = json.loads(constructions_path.read_text())
 
+  def hub_to_nrcan_function(self, hub_function):
+    return self.hub_to_nrcan_dictionary[hub_function]
+
   @staticmethod
   def year_to_period_of_construction(year_of_construction):
+    period_of_construction = None
     if 1000 <= year_of_construction <= 1900:
       period_of_construction = '1000_1900'
     elif 1901 <= year_of_construction <= 1910: