diff --git a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/FormSPAUCollection.cs b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/FormSPAUCollection.cs
index 4eb41ad..40ef205 100644
--- a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/FormSPAUCollection.cs
+++ b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/FormSPAUCollection.cs
@@ -164,11 +164,17 @@ namespace SelfPropelledArtilleryUnit
                     _logger.LogWarning("Неудачная попытка добавления");
                 }
             }
-            catch (Exception ex)
+            catch (ArgumentException)
+            {
+                Serilog.Log.Warning($"Добавляемый объект уже существует в коллекции {listBoxStorages.SelectedItem.ToString() ?? string.Empty}");
+                MessageBox.Show("Добавляемый объект уже сущесвует в коллекции");
+            }
+            catch (StorageOverflowException ex)
             {
                 MessageBox.Show("Не удалось добавить объект");
                 _logger.LogWarning($"Неудачная попытка добавления: {ex}");
             }
+            
 
         }
 
diff --git a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericCollection.cs b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericCollection.cs
index a45d839..01d9b48 100644
--- a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericCollection.cs
+++ b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SPAUGenericCollection.cs
@@ -17,6 +17,10 @@ namespace SelfPropelledArtilleryUnit.Generics
     where T : DrawningSPAU
     where U : IMoveableObject
     {
+        /// <summary>
+        /// Получение объектов коллекции
+        /// </summary>
+        public IEnumerable<T?> GetSPAUs => _collection.GetSPAUs();
         /// <summary>
         /// Ширина окна прорисовки
         /// </summary>
@@ -66,7 +70,7 @@ namespace SelfPropelledArtilleryUnit.Generics
             {
                 return -1;
             }
-            return collect._collection.Insert(obj);
+            return collect._collection.Insert(obj, new DrawiningSPAUEqutables());
         }
         /// <summary>
         /// Перегрузка оператора вычитания
diff --git a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SetGeneric.cs b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SetGeneric.cs
index 1afdda9..d409cfa 100644
--- a/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SetGeneric.cs
+++ b/SelfPropelledArtilleryUnit/SelfPropelledArtilleryUnit/SetGeneric.cs
@@ -44,7 +44,9 @@ namespace SelfPropelledArtilleryUnit.Generics
         /// <returns></returns>
         public int Insert(T spau, IEqualityComparer<T?>? equal = null)
         {
-            return Insert(spau, 0);
+            if (_places.Count == _maxCount)
+                throw new StorageOverflowException(_maxCount);
+            return Insert(spau, 0, equal);
         }
         /// <summary>
         /// Добавление объекта в набор на конкретную позицию
@@ -64,7 +66,11 @@ namespace SelfPropelledArtilleryUnit.Generics
             if (position < 0 || position > _maxCount)
                 throw new SPAUNotFoundException(position);
 
-
+            if (equal != null)
+            {
+                if (_places.Contains(spau, equal))
+                    throw new ArgumentException(nameof(spau));
+            }
             if (Count == 0)
             {
                 _places.Add(spau);