diff --git a/src/Model/InitialConditionsAdisTS/InitialConditionsAdisTS.py b/src/Model/InitialConditionsAdisTS/InitialConditionsAdisTS.py
new file mode 100644
index 00000000..1a8d59c6
--- /dev/null
+++ b/src/Model/InitialConditionsAdisTS/InitialConditionsAdisTS.py
@@ -0,0 +1,29 @@
+# InitialConditionsAdisTS.py -- Pamhyr
+# Copyright (C) 2023-2024  INRAE
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
+
+import logging
+from functools import reduce
+
+from tools import trace, timer, old_pamhyr_date_to_timestamp
+
+from Model.Tools.PamhyrDB import SQLSubModel
+from Model.Except import NotImplementedMethodeError
+
+from Model.InitialConditionsAdisTS.InitialConditionsAdisTSSpec import ICAdisTSSpec
+
+logger = logging.getLogger()
diff --git a/src/Model/InitialConditionsAdisTS/InitialConditionsAdisTSList.py b/src/Model/InitialConditionsAdisTS/InitialConditionsAdisTSList.py
new file mode 100644
index 00000000..e69de29b
diff --git a/src/Model/InitialConditionsAdisTS/InitialConditionsAdisTSSpec.py b/src/Model/InitialConditionsAdisTS/InitialConditionsAdisTSSpec.py
new file mode 100644
index 00000000..ab26bd8c
--- /dev/null
+++ b/src/Model/InitialConditionsAdisTS/InitialConditionsAdisTSSpec.py
@@ -0,0 +1,237 @@
+# InitialConditionsAdisTSSpec.py -- Pamhyr
+# Copyright (C) 2023-2024  INRAE
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+# -*- coding: utf-8 -*-
+
+import logging
+
+from tools import trace, timer
+
+from Model.Tools.PamhyrDB import SQLSubModel
+from Model.Except import NotImplementedMethodeError
+
+logger = logging.getLogger()
+
+class ICAdisTSSpec(SQLSubModel):
+    _sub_classes = [
+    ]
+    _id_cnt = 0
+
+    def __init__(self, id: int = -1, name: str = "",
+                 status=None):
+        super(ICAdisTSSpec, self).__init__()
+
+        self._status = status
+
+        if id == -1:
+            self.id = ICAdisTSSpec._id_cnt
+        else:
+            self.id = id
+
+        self._name_section = name
+        self._reach = None
+        self._start_kp = None
+        self._end_kp = None
+        self._concentration = None
+        self._eg = None
+        self._em = None
+        self._ed = None
+        self._rate = None
+        self._enabled = True
+
+        ICAdisTSSpec._id_cnt = max(ICAdisTSSpec._id_cnt + 1, self.id)
+
+    @classmethod
+    def _db_create(cls, execute):
+        execute("""
+              CREATE TABLE initial_conditions_spec(
+                id INTEGER NOT NULL PRIMARY KEY,
+                ic_default INTEGER NOT NULL,
+                name TEXT NOT NULL,
+                reach INTEGER NOT NULL,
+                start_kp REAL NOT NULL,
+                end_kp REAL NOT NULL,
+                eg REAL NOT NULL,
+                em REAL NOT NULL,
+                ed REAL NOT NULL,
+                rate REAL NOT NULL,
+                enabled BOOLEAN NOT NULL,
+                FOREIGN KEY(ic_default) REFERENCES initial_conditions(id),
+                FOREIGN KEY(reach) REFERENCES river_reach(id)
+              )
+            """)
+
+        return cls._create_submodel(execute)
+
+    @classmethod
+    def _db_update(cls, execute, version):
+        major, minor, release = version.strip().split(".")
+        if major == minor == "0":
+            if int(release) < 6:
+                cls._db_create(execute)
+
+        return True
+
+    @classmethod
+    def _db_load(cls, execute, data=None):
+        new = []
+
+        table = execute(
+            "SELECT id, ic_default, name, reach, start_kp, end_kp, " +
+            "eg, em, ed, rate, enabled " +
+            "FROM initial_conditions_spec " +
+            f"WHERE ic_default = {data['ic_default_id']} "
+        )
+
+        for row in table:
+            name     = row[2]
+            reach    = row[3]
+            start_kp = row[4]
+            end_kp   = row[5]
+            eg       = row[6]
+            em       = row[7]
+            ed       = row[8]
+            rate     = row[9]
+            enabled  = (row[10] == 1)
+
+            new_spec = [name, reach, start_kp, end_kp, eg, em, ed, rate, enabled]
+            new.append(new_spec)
+
+        return new
+
+    def _db_save(self, execute, data=None):
+        ic_default = data['ic_default_id']
+
+        sql = (
+            "INSERT INTO " +
+            "initial_conditions_spec(id, ic_default, name, reach, " +
+            "start_kp, end_kp, eg, em, ed, rate, enabled) " +
+            "VALUES (" +
+            f"{self.id}, " +
+            f"{ic_default}, " +
+            f"'{self._db_format(self._name_section)}', " +
+            f"{self._reach}, " +
+            f"{self._start_kp}, " +
+            f"{self._end_kp}, " +
+            f"{self._eg}, " +
+            f"{self._em}, " +
+            f"{self._ed}, " +
+            f"{self._rate}, " +
+            f"{self._enabled}" +
+            ")"
+        )
+        execute(sql)
+
+        return True
+
+    @property
+    def name(self):
+        return self._name_section
+
+    @name.setter
+    def name(self, name):
+        self._name_section = name
+        self._status.modified()
+
+    @property
+    def reach(self):
+        return self._reach
+
+    @reach.setter
+    def reach(self, reach):
+        self._reach = reach
+        self._status.modified()
+
+    @property
+    def start_kp(self):
+        return self._start_kp
+
+    @start_kp.setter
+    def start_kp(self, start_kp):
+        self._start_kp = start_kp
+        self._status.modified()
+
+    @property
+    def end_kp(self):
+        return self._end_kp
+
+    @end_kp.setter
+    def end_kp(self, end_kp):
+        self._end_kp = end_kp
+        self._status.modified()
+
+    @property
+    def concentration(self):
+        return self._concentration
+
+    @concentration.setter
+    def concentration(self, concentration):
+        self._concentration = concentration
+        self._status.modified()
+
+    @property
+    def eg(self):
+        return self._eg
+
+    @eg.setter
+    def eg(self, eg):
+        self._eg = eg
+        self._status.modified()
+
+    @property
+    def em(self):
+        return self._em
+
+    @em.setter
+    def em(self, em):
+        self._em = em
+        self._status.modified()
+
+    @property
+    def ed(self):
+        return self._ed
+
+    @ed.setter
+    def ed(self, ed):
+        self._ed = ed
+        self._status.modified()
+
+    @property
+    def rate(self):
+        return self._rate
+
+    @rate.setter
+    def rate(self, rate):
+        self._rate = rate
+        self._status.modified()
+
+    @property
+    def enabled(self):
+        return self._enabled
+
+    @enabled.setter
+    def enabled(self, enabled):
+        self._enabled = enabled
+        self._status.modified()
+
+
+
+
+
+
+
+
+