diff --git a/LArCalorimeter/LArG4/LArG4SD/python/LArG4SDToolConfig.py b/LArCalorimeter/LArG4/LArG4SD/python/LArG4SDToolConfig.py
index 361aa1600d42a025b9dc3a10d892e6b360612d83..36b5bc449581a065d823d3cd618fb8ded5b61345 100644
--- a/LArCalorimeter/LArG4/LArG4SD/python/LArG4SDToolConfig.py
+++ b/LArCalorimeter/LArG4/LArG4SD/python/LArG4SDToolConfig.py
@@ -9,31 +9,33 @@ from LArG4SD.LArG4SDConf import LArG4__FCALSDTool
 from LArG4SD.LArG4SDConf import LArG4__HECSDTool
 from LArG4SD.LArG4SDConf import LArG4__MiniFCALSDTool
 from LArG4SD.LArG4SDConf import LArG4__DeadSDTool
+from LArG4SD.LArG4SDConf import LArG4__ActiveSDTool
 
-def getLArActiveSensitiveDetector(name="LArActiveSensitiveDetector", **kwargs):
+#todo - investigate old comments in the code
+
+def LArActiveSensitiveDetectorToolCfg(ConfigFlags, name="LArActiveSensitiveDetector", **kwargs):
     ## Main configuration
-    from G4AtlasApps.SimFlags import simFlags
-    if simFlags.SimLayout.get_Value() not in ["tb_LArH6_2003","tb_LArH6_2002"]:
+    if ConfigFlags.GeoModel.AtlasVersion not in ["tb_LArH6_2003","tb_LArH6_2002"]:
         kwargs.setdefault("StacVolumes",["LArMgr::LAr::EMB::STAC"])
         kwargs.setdefault("PresamplerVolumes",["LArMgr::LAr::Barrel::Presampler::Module"])
         kwargs.setdefault("NegIWVolumes",["LArMgr::LAr::EMEC::Neg::InnerWheel"])
         kwargs.setdefault("NegOWVolumes",["LArMgr::LAr::EMEC::Neg::OuterWheel"])
         kwargs.setdefault("BOBarretteVolumes",["LArMgr::LAr::EMEC::BackOuterBarrette::Module::Phidiv"])
         kwargs.setdefault("MiniVolumes",["LArMgr::MiniFCAL::Wafer"])
-    if simFlags.SimLayout.get_Value()!="tb_LArH6_2003":
+    if ConfigFlags.GeoModel.AtlasVersion!="tb_LArH6_2003":
         kwargs.setdefault("PosIWVolumes",["LArMgr::LAr::EMEC::Pos::InnerWheel"])
         kwargs.setdefault("PosOWVolumes",["LArMgr::LAr::EMEC::Pos::OuterWheel"])
         kwargs.setdefault("PresVolumes", ["LArMgr::LAr::Endcap::Presampler::LiquidArgon"])
         kwargs.setdefault("SliceVolumes",["LArMgr::LAr::HEC::Module::Depth::Slice"])
-    if simFlags.SimLayout.get_Value() not in ["tb_LArH6_2002"]:
+    if ConfigFlags.GeoModel.AtlasVersion not in ["tb_LArH6_2002"]:
         kwargs.setdefault("FCAL1Volumes",["LArMgr::LAr::FCAL::Module1::Gap"])
         kwargs.setdefault("FCAL2Volumes",["LArMgr::LAr::FCAL::Module2::Gap"])
-        kwargs.setdefault("FCAL3Volumes",["LArMgr::LAr::FCAL::Module3::Gap"])
+        kwargs.setdefault("FCAL3Volumes",["LArMgr::LAr::FCAL::Module3::Gap"])    
     # Running PID calibration hits?
-    kwargs.setdefault("ParticleID",simFlags.ParticleID())
+    kwargs.setdefault("ParticleID",ConfigFlags.Sim.ParticleID)
     # No effect currently
     kwargs.setdefault("OutputCollectionNames", ["LArCalibrationHitActive"])
-    return CfgMgr.LArG4__ActiveSDTool(name, **kwargs)
+    return LArG4__ActiveSDTool(name, **kwargs)
 
 def LArDeadSensitiveDetectorToolCfg(ConfigFlags, name="LArDeadSensitiveDetector", **kwargs):
     ## Main configuration
diff --git a/LArCalorimeter/LArG4/LArG4SD/test/LArG4SDToolConfig_test.py b/LArCalorimeter/LArG4/LArG4SD/test/LArG4SDToolConfig_test.py
index c5f3a7f3ceb437a3fbfff88459fda8b72268d6ab..13527954494ca2bb282ad955554214526ad2d690 100755
--- a/LArCalorimeter/LArG4/LArG4SD/test/LArG4SDToolConfig_test.py
+++ b/LArCalorimeter/LArG4/LArG4SD/test/LArG4SDToolConfig_test.py
@@ -40,7 +40,8 @@ if __name__ == '__main__':
   from LArG4SD.LArG4SDToolConfig import LArHECSensitiveDetectorCfg
   from LArG4SD.LArG4SDToolConfig import LArMiniFCALSensitiveDetectorToolCfg
   from LArG4SD.LArG4SDToolConfig import LArDeadSensitiveDetectorToolCfg
-
+  from LArG4SD.LArG4SDToolConfig import LArActiveSensitiveDetectorToolCfg
+  
   acc1, tool1 = LArEMBSensitiveDetectorCfg(ConfigFlags)
   acc1.addPublicTool(tool1)
   cfg.merge(acc1)
@@ -63,6 +64,9 @@ if __name__ == '__main__':
 
   toolDeadSensitiveDetector = LArDeadSensitiveDetectorToolCfg(ConfigFlags)
   cfg.addPublicTool(toolDeadSensitiveDetector)
+
+  toolActiveSensitiveDetector = LArActiveSensitiveDetectorToolCfg(ConfigFlags)
+  cfg.addPublicTool(toolActiveSensitiveDetector)