diff --git a/ereuse_devicehub/resources/event/models.py b/ereuse_devicehub/resources/event/models.py
index 3bbc44d0..758c39ea 100644
--- a/ereuse_devicehub/resources/event/models.py
+++ b/ereuse_devicehub/resources/event/models.py
@@ -388,8 +388,17 @@ class IndividualRate(Rate):
 class ManualRate(IndividualRate):
     id = Column(UUID(as_uuid=True), ForeignKey(Rate.id), primary_key=True)
     labelling = Column(Boolean)
+    labelling.comment = """Sets if there are labels stuck that should
+    be removed.
+    """
     appearance_range = Column(DBEnum(AppearanceRange))
+    appearance_range.comment = """Grades the imperfections that 
+    aesthetically affect the device, but not its usage.
+    """
     functionality_range = Column(DBEnum(FunctionalityRange))
+    functionality_range.comment = """Grades the defects of a device 
+    affecting usage.
+    """
 
 
 class WorkbenchRate(ManualRate):
@@ -400,7 +409,12 @@ class WorkbenchRate(ManualRate):
                           check_range('data_storage', *RATE_POSITIVE))
     graphic_card = Column(Float(decimal_return_scale=2),
                           check_range('graphic_card', *RATE_POSITIVE))
-    bios = Column(DBEnum(Bios))
+    bios = Column(Float(decimal_return_scale=2),
+                  check_range('bios', *RATE_POSITIVE))
+    bios_range = Column(DBEnum(Bios))
+    bios_range.comment = """How difficult it has been to set the bios
+    to boot from the network.
+    """
 
     # todo ensure for WorkbenchRate version and software are not None when inserting them
 
diff --git a/ereuse_devicehub/resources/event/models.pyi b/ereuse_devicehub/resources/event/models.pyi
index 8c68cf8e..b11d5e6e 100644
--- a/ereuse_devicehub/resources/event/models.pyi
+++ b/ereuse_devicehub/resources/event/models.pyi
@@ -203,6 +203,11 @@ class AggregateRate(Rate):
 
 
 class ManualRate(IndividualRate):
+    labelling = ...  # type: Column
+    appearance_range = ...  # type: Column
+    functionality_range = ...  # type: Column
+    aggregate_rate_manual = ...  #type: relationship
+
     def __init__(self, **kwargs) -> None:
         super().__init__(**kwargs)
         self.labelling = ...  # type: bool
@@ -212,13 +217,22 @@ class ManualRate(IndividualRate):
 
 
 class WorkbenchRate(ManualRate):
+    processor = ...  # type: Column
+    ram = ...  # type: Column
+    data_storage = ...  # type: Column
+    graphic_card = ...  # type: Column
+    bios_range = ...  # type: Column
+    bios = ...  # type: Column
+    aggregate_rate_workbench = ...  #type: Column
+
     def __init__(self, **kwargs) -> None:
         super().__init__(**kwargs)
         self.processor = ...  # type: float
         self.ram = ...  # type: float
         self.data_storage = ...  # type: float
         self.graphic_card = ...  # type: float
-        self.bios = ...  # type: Bios
+        self.bios_range = ...  # type: Bios
+        self.bios = ...  # type: float
         self.aggregate_rate_workbench = ...  #type: AggregateRate
 
     def ratings(self) -> Set[Rate]:
diff --git a/ereuse_devicehub/resources/event/schemas.py b/ereuse_devicehub/resources/event/schemas.py
index a4172bf7..4007b32d 100644
--- a/ereuse_devicehub/resources/event/schemas.py
+++ b/ereuse_devicehub/resources/event/schemas.py
@@ -142,13 +142,12 @@ class ManualRate(IndividualRate):
     appearance_range = EnumField(AppearanceRange,
                                  required=True,
                                  data_key='appearanceRange',
-                                 description='Grades the imperfections that aesthetically '
-                                             'affect the device, but not its usage.')
+                                 description=m.ManualRate.appearance_range.comment)
     functionality_range = EnumField(FunctionalityRange,
                                     required=True,
                                     data_key='functionalityRange',
-                                    description='Grades the defects of a device affecting usage.')
-    labelling = Boolean(description='Sets if there are labels stuck that should be removed.')
+                                    description=m.ManualRate.functionality_range.comment)
+    labelling = Boolean(description=m.ManualRate.labelling.comment)
 
 
 class WorkbenchRate(ManualRate):
@@ -156,8 +155,10 @@ class WorkbenchRate(ManualRate):
     ram = Float()
     data_storage = Float()
     graphic_card = Float()
-    bios = EnumField(Bios, description='How difficult it has been to set the bios to '
-                                       'boot from the network.')
+    bios = Float()
+    bios_range = EnumField(Bios,
+                           description=m.WorkbenchRate.bios_range.comment,
+                           data_key='biosRange')
 
 
 class AggregateRate(Rate):
diff --git a/tests/files/basic.snapshot.yaml b/tests/files/basic.snapshot.yaml
index d13d1533..63e2f715 100644
--- a/tests/files/basic.snapshot.yaml
+++ b/tests/files/basic.snapshot.yaml
@@ -14,7 +14,7 @@ device:
     appearanceRange: A
     functionalityRange: B
     labelling: True
-    bios: B
+    biosRange: B
 components:
 - type: GraphicCard
   serialNumber: gc1s
diff --git a/tests/test_lot.py b/tests/test_lot.py
index 372330dc..8749ed96 100644
--- a/tests/test_lot.py
+++ b/tests/test_lot.py
@@ -254,7 +254,7 @@ def test_post_get_lot(user: UserClient):
     assert not l['children']
 
 
-def test_post_add_children_view_ui_tree_normal(user: UserClient):
+def test_lot_post_add_children_view_ui_tree_normal(user: UserClient):
     """Tests adding children lots to a lot through the view and
     GETting the results."""
     parent, _ = user.post(({'name': 'Parent'}), res=Lot)
diff --git a/tests/test_rate.py b/tests/test_rate.py
index 699975cf..bf1cee90 100644
--- a/tests/test_rate.py
+++ b/tests/test_rate.py
@@ -17,7 +17,7 @@ from tests import conftest
 def test_workbench_rate_db():
     rate = WorkbenchRate(processor=0.1,
                          ram=1.0,
-                         bios=Bios.A,
+                         bios_range=Bios.A,
                          labelling=False,
                          graphic_card=0.1,
                          data_storage=4.1,