diff --git a/src/app/calculators/parallel-structures/parallel-structures.config.json b/src/app/calculators/parallel-structures/parallel-structures.config.json
index 840ccc54408b107250fb9d1083d2a18fac2c7c3d..0c90faf54a08e51b0198aadd3eef975686d5892f 100644
--- a/src/app/calculators/parallel-structures/parallel-structures.config.json
+++ b/src/app/calculators/parallel-structures/parallel-structures.config.json
@@ -1,228 +1,26 @@
 [
     {
-        "id": "fs_ouvrage",
+        "id": "fs_param_hydro",
         "type": "fieldset",
-        "fields": [
-            {
-                "id": "select_ouvrage",
-                "type": "select",
-                "select": [
-                    {
-                        "id": "select_ouvrage_vanne_rect"
-                    },
-                    {
-                        "id": "select_ouvrage_vanne_circ"
-                    },
-                    {
-                        "id": "select_ouvrage_seuil_rect"
-                    },
-                    {
-                        "id": "select_ouvrage_seuil_trap"
-                    },
-                    {
-                        "id": "select_ouvrage_vanne_trap"
-                    }
-                ]
-            },
-            {
-                "id": "select_loidebit1",
-                "type": "select",
-                "dep_exist": [
-                    {
-                        "refid": "select_ouvrage_vanne",
-                        "refvalue": "select_ouvrage_vanne_rect"
-                    },
-                    {
-                        "refid": "select_ouvrage_vanne",
-                        "refvalue": "select_ouvrage_vanne_circ"
-                    },
-                    {
-                        "refid": "select_ouvrage_vanne",
-                        "refvalue": "select_ouvrage_seuil_rect"
-                    }
-                ],
-                "select": [
-                    {
-                        "id": "select_loidebit1_cemagref88"
-                    },
-                    {
-                        "id": "select_loidebit1_vannedenoye"
-                    },
-                    {
-                        "id": "select_loidebit1_vannenoye"
-                    }
-                ]
-            },
-            {
-                "id": "select_loidebit2",
-                "type": "select",
-                "dep_exist": [
-                    {
-                        "refid": "select_ouvrage_vanne",
-                        "refvalue": "select_ouvrage_seuil_trap"
-                    },
-                    {
-                        "refid": "select_ouvrage_vanne",
-                        "refvalue": "select_ouvrage_vanne_trap"
-                    }
-                ],
-                "select": [
-                    {
-                        "id": "select_loidebit4_cemagref88"
-                    }
-                ]
-            }
-        ]
-    },
-    {
-        "id": "fs_caract_1",
-        "type": "fieldset",
-        "dep_exist": [
-            {
-                "refid": "select_ouvrage_vanne",
-                "refvalue": "select_ouvrage_vanne_rect"
-            },
-            {
-                "refid": "select_ouvrage_vanne",
-                "refvalue": "select_ouvrage_vanne_circ"
-            }
-        ],
+        "option": "cal",
         "fields": [
             {
                 "type": "input",
-                "id": "larg",
+                "id": "Z1",
                 "unit": "m",
                 "value": 2
             },
             {
                 "type": "input",
-                "id": "ouv",
-                "unit": "m",
-                "value": 0.5
-            },
-            {
-                "type": "input",
-                "id": "kq",
-                "unit": "",
-                "value": 0.4
-            }
-        ]
-    },
-    {
-        "id": "fs_caract_2",
-        "type": "fieldset",
-        "dep_exist": [
-            {
-                "refid": "select_ouvrage_vanne",
-                "refvalue": "select_ouvrage_seuil_rect"
-            }
-        ],
-        "fields": [
-            {
-                "type": "input",
-                "id": "larg",
+                "id": "Z2",
                 "unit": "m",
-                "value": 2
+                "value": 1
             },
-            {
-                "type": "input",
-                "id": "kq",
-                "unit": "",
-                "value": 0.4
-            }
-        ]
-    },
-    {
-        "id": "fs_caract_3",
-        "type": "fieldset",
-        "dep_exist": [
-            {
-                "refid": "select_ouvrage_vanne",
-                "refvalue": "select_ouvrage_seuil_trap"
-            },
-            {
-                "refid": "select_ouvrage_vanne",
-                "refvalue": "select_ouvrage_vanne_trap"
-            }
-        ],
-        "fields": [
-            {
-                "type": "input",
-                "id": "largf",
-                "unit": "m",
-                "value": 2
-            },
-            {
-                "type": "input",
-                "id": "kqr",
-                "unit": "",
-                "value": 0.4
-            },
-            {
-                "type": "input",
-                "id": "kqt",
-                "unit": "",
-                "value": 0.5
-            },
-            {
-                "type": "input",
-                "id": "fruit",
-                "unit": "m/m",
-                "value": 0.56
-            }
-        ]
-    },
-    {
-        "id": "fs_surverse",
-        "type": "fieldset",
-        "dep_exist": [
-            {
-                "id": "select_ouvrage_vanne_rect"
-            },
-            {
-                "id": "select_ouvrage_vanne_circ"
-            },
-            {
-                "id": "select_ouvrage_vanne_trap"
-            }
-        ],
-        "fields": [
-            {
-                "type": "bool",
-                "id": "surverse",
-                "value": false
-            }
-        ]
-    },
-    {
-        "id": "fs_hydraulique",
-        "type": "fieldset",
-        "name": "Caractéristiques globales",
-        "option": "cal",
-        "fields": [
             {
                 "type": "input",
                 "id": "Q",
                 "unit": "m³/s",
-                "value": 3
-            },
-            {
-                "type": "input",
-                "id": "D",
-                "unit": "m",
-                "value": 1.2
-            },
-            {
-                "type": "input",
-                "id": "J",
-                "unit": "m",
-                "value": 0.6
-            },
-            {
-                "type": "input",
-                "id": "Lg",
-                "unit": "m",
-                "value": 100
+                "value": 0.5
             }
         ]
     },
diff --git a/src/app/calculators/parallel-structures/parallel-structures.fr.json b/src/app/calculators/parallel-structures/parallel-structures.fr.json
index ce4d974c577834aaba2dc09d4d62ba6d1b098f7c..d2637fdbdc5b08f9e0cf205fe6aeb9083520a97e 100644
--- a/src/app/calculators/parallel-structures/parallel-structures.fr.json
+++ b/src/app/calculators/parallel-structures/parallel-structures.fr.json
@@ -1,32 +1,8 @@
 {
-    "fs_ouvrage": "Type d'ouvrage",
-    "select_ouvrage": "Ouvrage",
-    "select_ouvrage_vanne_rect": "Vanne rectangulaire",
-    "select_loidebit1": "Loi de débit",
-    "select_loidebit1_cemagref88": "Déversoir/Orifice Cemagref 88",
-    "select_loidebit1_vannedenoye": "Vanne dénoyé",
-    "select_loidebit1_vannenoye": "Vanne noyé",
-    "select_loidebit2": "Loi de débit",
-    "select_loidebit2_cemagref88": "Déversoir/Orifice Cemagref 88",
-    "select_ouvrage_circ": "Vanne circulaire",
-    "select_ouvrage_seuil_rect": "Seuil rectangulaire",
-    "select_ouvrage_seuil_trap": "Seuil trapézoïdal",
-    "select_ouvrage_vanne_trap": "Vanne trapézoïdale",
-    "fs_caract_1": "Caractéristiques de l'ouvrage",
-    "larg": "Largeur",
-    "ouv": "Ouverture",
-    "kq": "Coefficient de débit",
-    "fs_caract_2": "Caractéristiques de l'ouvrage",
-    "fs_caract_3": "Caractéristiques de l'ouvrage",
-    "largf": "Largeur au fond",
-    "kqr": "Coefficient de débit partie rectangulaire",
-    "kqt": "Coefficient de débit partie triangulaire",
-    "fruit": "Fruit",
-    "fs_surverse": "Surverse",
-    "fs_hydraulique": "Caractéristiques globales",
-    "Q": "Débit",
-    "Y_A": "Cote de l'eau à l'amont",
-    "Y_a": "Cote de l'eau à l'aval",
+    "fs_param_hydro": "Paramètres hydrauliques",
+    "Z1": "Cote amont",
+    "Z2": "Cote aval",
+    "Q": "Débit total",
     "fs_param_calc": "Paramètres de calcul",
     "Pr": "Précision de calcul"
 }
\ No newline at end of file
diff --git a/src/app/components/calculator-list/calculator-list.component.ts b/src/app/components/calculator-list/calculator-list.component.ts
index 9a10529fa5401dabae61b9381f2ee826068e46e4..7a46f4293f01d17908ddb4cc9e2fea988c8e8b94 100644
--- a/src/app/components/calculator-list/calculator-list.component.ts
+++ b/src/app/components/calculator-list/calculator-list.component.ts
@@ -37,7 +37,8 @@ export class CalculatorListComponent implements OnInit {
     private updateLocale() {
         this._items = [];
         for (let t of EnumEx.getValues(CalculatorType))
-            this._items.push(new ListElement(t, this.formulaireService));
+            if (t !== CalculatorType.Structure)
+                this._items.push(new ListElement(t, this.formulaireService));
     }
 
     private create(t: CalculatorType) {