diff --git a/PamhagenSysCtrl/Helpers/PamhagenPlant.cs b/PamhagenSysCtrl/Helpers/PamhagenPlant.cs
index 49fb6c4..f93cbeb 100644
--- a/PamhagenSysCtrl/Helpers/PamhagenPlant.cs
+++ b/PamhagenSysCtrl/Helpers/PamhagenPlant.cs
@@ -9,7 +9,7 @@ namespace PamhagenSysCtrl.Helpers {
         protected bool IsRunning = true;
         protected Thread? BackgroundThread;
 
-        public event EventHandler<EventArgs>? Update;
+        public event EventHandler<PlantEventArgs>? Update;
 
         protected bool ActuatorsChanged = false;
         protected PamhagenPlc.ActuatorStates Actuators;
@@ -48,13 +48,14 @@ namespace PamhagenSysCtrl.Helpers {
         public bool IsBeltActive => Actuators.Belt;
         public bool IsAuger1Active => Actuators.Auger1;
         public bool IsAuger2Active => Actuators.Auger2;
+        public bool IsWasteDisposalActive => IsBeltActive || IsAuger1Active || IsAuger2Active;
         public bool IsGradationPumpActive => Actuators.GradationPump;
 
         public PamhagenPlant(string portName) {
             Plc = new(portName);
         }
 
-        protected virtual void RaiseUpdateEvent(EventArgs evt) {
+        protected virtual void RaiseUpdateEvent(PlantEventArgs evt) {
             App.MainDispatcher.BeginInvoke(() => Update?.Invoke(this, evt));
         }
 
@@ -81,7 +82,7 @@ namespace PamhagenSysCtrl.Helpers {
                         ActuatorsChanged = false;
                     }
                     Sensors = await Plc.ReadInputs();
-                    RaiseUpdateEvent(EventArgs.Empty);
+                    RaiseUpdateEvent(new());
                 } catch (Exception exc) {
                     var str = "Bei der SPS ist ein Fehler aufgetreten:\n\n" + exc.Message;
                     if (exc.InnerException != null) str += "\n\n" + exc.InnerException.Message;
@@ -220,6 +221,18 @@ namespace PamhagenSysCtrl.Helpers {
             Actuators.Auger2 = false;
         }
 
+        public void StartWasteDisposal() {
+            StartBelt();
+            StartAuger1();
+            StartAuger2();
+        }
+
+        public void StopWasteDisposal() {
+            StopBelt();
+            StopAuger1();
+            StopAuger2();
+        }
+
         public void StartGradationPump() {
             Actuators.GradationPump = true;
         }
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/Graph.cs b/PamhagenSysCtrl/Helpers/Pipeline/Graph.cs
new file mode 100644
index 0000000..9a69ee2
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/Graph.cs
@@ -0,0 +1,31 @@
+using System.Windows.Controls;
+
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public class Graph {
+
+        protected HashSet<INode> Nodes = [];
+        protected HashSet<IEdge> Edges = [];
+
+        public Graph() {
+
+        }
+
+        public Pipe CreatePipe(INode start, INode end) {
+            Nodes.Add(start);
+            Nodes.Add(end);
+            var p = new Pipe(start, end);
+            Edges.Add(p);
+            return p;
+        }
+
+        public void Draw(Canvas canvas) {
+            foreach (var e in Edges) {
+                e.Draw(canvas);
+            }
+            foreach (var n in Nodes) {
+                n.Draw(canvas);
+            }
+        }
+
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/IEdge.cs b/PamhagenSysCtrl/Helpers/Pipeline/IEdge.cs
new file mode 100644
index 0000000..384632a
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/IEdge.cs
@@ -0,0 +1,13 @@
+using System.Windows.Controls;
+
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public interface IEdge {
+
+        public INode Start { get; }
+        public INode End { get; }
+        public bool Orientation { get; }
+
+        public void Draw(Canvas canvas);
+
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/INode.cs b/PamhagenSysCtrl/Helpers/Pipeline/INode.cs
new file mode 100644
index 0000000..d38b496
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/INode.cs
@@ -0,0 +1,13 @@
+using System.Windows.Controls;
+
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public interface INode {
+
+        public double CenterX { get; }
+        public double CenterY { get; }
+        public string Label { get; }
+
+        public void Draw(Canvas canvas);
+
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/ISink.cs b/PamhagenSysCtrl/Helpers/Pipeline/ISink.cs
new file mode 100644
index 0000000..8c3b158
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/ISink.cs
@@ -0,0 +1,5 @@
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public interface ISink : INode {
+        public bool IsFull { get; }
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/ISource.cs b/PamhagenSysCtrl/Helpers/Pipeline/ISource.cs
new file mode 100644
index 0000000..4c23848
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/ISource.cs
@@ -0,0 +1,5 @@
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public interface ISource : INode {
+        public bool IsFilled { get; }
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/Pipe.cs b/PamhagenSysCtrl/Helpers/Pipeline/Pipe.cs
new file mode 100644
index 0000000..a8b843b
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/Pipe.cs
@@ -0,0 +1,60 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Media;
+using System.Windows.Shapes;
+
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public class Pipe : IEdge {
+
+        public INode Start { get; set; }
+        public INode End { get; set; }
+        public bool Orientation { get; set; }
+
+        public Pipe(INode start, INode end, bool orientation = false) {
+            Start = start;
+            End = end;
+            Orientation = orientation;
+        }
+
+        public void Draw(Canvas canvas) {
+            var x1 = Start.CenterX;
+            var y1 = Start.CenterY;
+            var x2 = Orientation ? Start.CenterX : End.CenterX;
+            var y2 = Orientation ? End.CenterY : Start.CenterY;
+            var x3 = End.CenterX;
+            var y3 = End.CenterY;
+            var a1 = new Line() {
+                X1 = x1, Y1 = y1, X2 = x2, Y2 = y2,
+                StrokeThickness = 10,
+                Stroke = Brushes.Black,
+                StrokeStartLineCap = PenLineCap.Square,
+                StrokeEndLineCap = PenLineCap.Square,
+            };
+            var a2 = new Line() {
+                X1 = x1, Y1 = y1, X2 = x2, Y2 = y2,
+                StrokeThickness = 6,
+                Stroke = Brushes.Gray,
+                StrokeStartLineCap = PenLineCap.Square,
+                StrokeEndLineCap = PenLineCap.Square,
+            };
+            var b1 = new Line() {
+                X1 = x2, Y1 = y2, X2 = x3, Y2 = y3,
+                StrokeThickness = 10,
+                Stroke = Brushes.Black,
+                StrokeStartLineCap = PenLineCap.Square,
+                StrokeEndLineCap = PenLineCap.Square,
+            };
+            var b2 = new Line() {
+                X1 = x2, Y1 = y2, X2 = x3, Y2 = y3,
+                StrokeThickness = 6,
+                Stroke = Brushes.Gray,
+                StrokeStartLineCap = PenLineCap.Square,
+                StrokeEndLineCap = PenLineCap.Square,
+            };
+            canvas.Children.Add(a1);
+            canvas.Children.Add(b1);
+            canvas.Children.Add(a2);
+            canvas.Children.Add(b2);
+        }
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/PipeJoin.cs b/PamhagenSysCtrl/Helpers/Pipeline/PipeJoin.cs
new file mode 100644
index 0000000..1ee674e
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/PipeJoin.cs
@@ -0,0 +1,28 @@
+using System.Windows.Controls;
+using System.Windows.Media;
+using System.Windows.Shapes;
+
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public class PipeJoin : INode {
+
+        public double CenterX { get; set; }
+        public double CenterY { get; set; }
+        public string Label { get; } = "";
+
+        public PipeJoin(double x, double y) {
+            CenterX = x;
+            CenterY = y;
+        }
+
+        public void Draw(Canvas canvas) {
+            var e = new Rectangle() {
+                Height = 18,
+                Width = 18,
+                Fill = Brushes.Black,
+            };
+            e.SetValue(Canvas.LeftProperty, CenterX - 9);
+            e.SetValue(Canvas.TopProperty, CenterY - 9);
+            canvas.Children.Add(e);
+        }
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/Pump.cs b/PamhagenSysCtrl/Helpers/Pipeline/Pump.cs
new file mode 100644
index 0000000..824fe84
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/Pump.cs
@@ -0,0 +1,20 @@
+using System.Windows.Controls;
+
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public class Pump : INode {
+
+        public double CenterX { get; set; }
+        public double CenterY { get; set; }
+        public string Label { get; set; }
+
+        public Pump(string label, double x, double y) {
+            CenterX = x;
+            CenterY = y;
+            Label = label;
+        }
+
+        public void Draw(Canvas canvas) {
+            
+        }
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/Tank.cs b/PamhagenSysCtrl/Helpers/Pipeline/Tank.cs
new file mode 100644
index 0000000..7cb1db4
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/Tank.cs
@@ -0,0 +1,27 @@
+using System.Windows.Controls;
+
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    class Tank : INode, ISink, ISource {
+
+        public double CenterX { get; set; }
+        public double CenterY { get; set; }
+        public string Label { get; set; }
+        public bool IsFull => CallbackIsFull();
+        public bool IsFilled => CallbackIsFilled();
+
+        protected Func<bool> CallbackIsFilled;
+        protected Func<bool> CallbackIsFull;
+
+        public Tank(string label, double x, double y, Func<bool> cbFilled, Func<bool> cbFull) {
+            CenterX = x;
+            CenterY = y;
+            Label = label;
+            CallbackIsFilled = cbFilled;
+            CallbackIsFull = cbFull;
+        }
+
+        public void Draw(Canvas canvas) {
+
+        }
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/Trough.cs b/PamhagenSysCtrl/Helpers/Pipeline/Trough.cs
new file mode 100644
index 0000000..e86d6c5
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/Trough.cs
@@ -0,0 +1,24 @@
+using System.Windows.Controls;
+
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public class Trough : INode, ISource {
+
+        public double CenterX { get; set; }
+        public double CenterY { get; set; }
+        public string Label { get; set; }
+        public bool IsFilled => CallbackIsFilled();
+
+        protected Func<bool> CallbackIsFilled;
+
+        public Trough(string label, double x, double y, Func<bool> cbFilled) {
+            CenterX = x;
+            CenterY = y;
+            Label = label;
+            CallbackIsFilled = cbFilled;
+        }
+
+        public void Draw(Canvas canvas) {
+            
+        }
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/Pipeline/Valve.cs b/PamhagenSysCtrl/Helpers/Pipeline/Valve.cs
new file mode 100644
index 0000000..21184db
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/Pipeline/Valve.cs
@@ -0,0 +1,39 @@
+using System.Windows.Controls;
+using System.Windows.Media;
+using System.Windows.Shapes;
+
+namespace PamhagenSysCtrl.Helpers.Pipeline {
+    public class Valve : INode {
+
+        public double CenterX { get; set; }
+        public double CenterY { get; set; }
+        public string Label { get; set; }
+
+        public bool IsOpen => CallbackIsOpen();
+        public bool WantOpen => CallbackWantOpen();
+
+        protected Func<bool> CallbackIsOpen;
+        protected Func<bool> CallbackWantOpen;
+
+        public Valve(string label, double x, double y, Func<bool> cbOpen, Func<bool> cbWant) {
+            CenterX = x;
+            CenterY = y;
+            Label = label;
+            CallbackIsOpen = cbOpen;
+            CallbackWantOpen = cbWant;
+        }
+
+        public void Draw(Canvas canvas) {
+            var e = new Ellipse() {
+                Height = 20,
+                Width = 20,
+                Fill = Brushes.Gray,
+                Stroke = Brushes.Black,
+                StrokeThickness = 2,
+            };
+            e.SetValue(Canvas.LeftProperty, CenterX - 10);
+            e.SetValue(Canvas.TopProperty, CenterY - 10);
+            canvas.Children.Add(e);
+        }
+    }
+}
diff --git a/PamhagenSysCtrl/Helpers/PlantEventArgs.cs b/PamhagenSysCtrl/Helpers/PlantEventArgs.cs
new file mode 100644
index 0000000..8f93ad3
--- /dev/null
+++ b/PamhagenSysCtrl/Helpers/PlantEventArgs.cs
@@ -0,0 +1,3 @@
+namespace PamhagenSysCtrl.Helpers {
+    public class PlantEventArgs : EventArgs { }
+}
diff --git a/PamhagenSysCtrl/Windows/MainWindow.xaml.cs b/PamhagenSysCtrl/Windows/MainWindow.xaml.cs
index 4118bac..e93380d 100644
--- a/PamhagenSysCtrl/Windows/MainWindow.xaml.cs
+++ b/PamhagenSysCtrl/Windows/MainWindow.xaml.cs
@@ -1,4 +1,5 @@
 using PamhagenSysCtrl.Helpers;
+using PamhagenSysCtrl.Windows;
 using System.Windows;
 using System.Windows.Controls;
 using System.Windows.Media;
@@ -51,10 +52,13 @@ namespace PamhagenSysCtrl {
                 var str = $"Beim Aufbauen einer Verbindung zur SPS ist ein Fehler aufgetreten:\n\n{exc.GetType().Name}: {exc.Message}";
                 if (exc.InnerException != null) str += $"\n\n{exc.InnerException.GetType().Name}: {exc.InnerException.Message}";
                 MessageBox.Show(str, "SPS-Fehler", MessageBoxButton.OK, MessageBoxImage.Error);
+                return;
             }
+            var w = new PlantSchemeWindow();
+            w.Show();
         }
 
-        public void OnUpdate(object? sender, EventArgs evt) {
+        public void OnUpdate(object? sender, PlantEventArgs evt) {
             if (sender is not PamhagenPlant plant) return;
 
             for (int i = 1; i <= 60; i++) {
diff --git a/PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml b/PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml
new file mode 100644
index 0000000..57bb41c
--- /dev/null
+++ b/PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml
@@ -0,0 +1,12 @@
+<Window x:Class="PamhagenSysCtrl.Windows.PlantSchemeWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:PamhagenSysCtrl.Windows"
+        Title="Schema - Anlagensteuerung Pamhagen" Height="450" Width="800">
+    <Grid>
+        <Canvas x:Name="SchemeCanvas">
+        </Canvas>
+    </Grid>
+</Window>
diff --git a/PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml.cs b/PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml.cs
new file mode 100644
index 0000000..4e8086c
--- /dev/null
+++ b/PamhagenSysCtrl/Windows/PlantSchemeWindow.xaml.cs
@@ -0,0 +1,49 @@
+using PamhagenSysCtrl.Helpers;
+using PamhagenSysCtrl.Helpers.Pipeline;
+using System.Drawing;
+using System.Security.Cryptography.X509Certificates;
+using System.Windows;
+using System.Windows.Media;
+using System.Windows.Shapes;
+
+namespace PamhagenSysCtrl.Windows {
+    public partial class PlantSchemeWindow : Window {
+        
+        public PlantSchemeWindow() {
+            InitializeComponent();
+            App.Plant?.Update += OnUpdate;
+
+            var graph = new Graph();
+
+            var mw1 = new Trough("MW1", 200, 50, () => App.Plant?.FillLevelA1 != FillState.Empty);
+            var mw2 = new Trough("MW2",  50, 50, () => App.Plant?.FillLevelA1 != FillState.Empty);
+            var mp1 = new Pump("MP1", 200, 80);
+            var mp2 = new Pump("MP2",  50, 80);
+
+            var x1 = new PipeJoin(200, 100);
+            var x2 = new PipeJoin(50, 100);
+
+            var v1 = new Valve("V1", 200, 150, () => App.Plant?.IsValveOpen(1) ?? false, () => App.Plant?.WantValveOpen(1) ?? false);
+            var v2 = new Valve("V2",  50, 150, () => App.Plant?.IsValveOpen(2) ?? false, () => App.Plant?.WantValveOpen(2) ?? false);
+            var v3 = new Valve("V3",  80, 150, () => App.Plant?.IsValveOpen(3) ?? false, () => App.Plant?.WantValveOpen(3) ?? false);
+            var v4 = new Valve("V4", 170, 150, () => App.Plant?.IsValveOpen(4) ?? false, () => App.Plant?.WantValveOpen(4) ?? false);
+
+            graph.CreatePipe(mw1, mp1);
+            graph.CreatePipe(mw2, mp2);
+            graph.CreatePipe(mp1, x1);
+            graph.CreatePipe(mp2, x2);
+            graph.CreatePipe(x1, v1);
+            graph.CreatePipe(x1, v4);
+            graph.CreatePipe(x2, v2);
+            graph.CreatePipe(x2, v3);
+
+            graph.Draw(SchemeCanvas);
+        }
+
+        public void OnUpdate(object? sender, PlantEventArgs evt) {
+            if (sender is not PamhagenPlant plant) return;
+
+
+        }
+    }
+}