diff --git a/src/specificClass.js b/src/specificClass.js
index 4fb2ffe..b179014 100644
--- a/src/specificClass.js
+++ b/src/specificClass.js
@@ -64,25 +64,27 @@ class PumpingStation {
     }
 
     // for pumping stations register them for control
-    if(softwareType === 'pumpingStation'){
+    if(softwareType === 'pumpingstation'){
       const childId = child.config.general.id;
       this.stations[childId] = child;
       this.logger.debug(`Registered pumping station child "${child.config.general.name}" with id "${childId}"`);
     }
 
     // for machine group controllers register them for control
-    if(softwareType === 'machineGroupController'){
+    if(softwareType === 'machinegroup'){
       const childId = child.config.general.id;
       this.machineGroups[childId] = child;
-      this.logger.debug(`Registered machine group controller child "${child.config.general.name}" with id "${childId}"`);
+      this._registerPredictedFlowChild(child);
+      this.logger.debug(`Registered machine group child "${child.config.general.name}" with id "${childId}"`);
     }
 
     //for all childs that can provide predicted flow data
-    if (softwareType === 'machine' || softwareType === 'pumpingStation' || softwareType === 'machineGroupController') {
+    if (softwareType === 'machine' || softwareType === 'pumpingstation' || softwareType === 'machinegroup') {
+      this.logger.debug(`Registering predicted flow child ${child.config.general.name} with software type: ${softwareType}"`);
       this._registerPredictedFlowChild(child);
     }
 
-    this.logger.warn(`Unsupported child software type: ${softwareType}`);
+    //this.logger.warn(`Unsupported child software type: ${softwareType}`);
   }
 
   _safetyController(snapshot,remainingTime,direction){
@@ -117,21 +119,49 @@ class PumpingStation {
       if( (remainingTime < timeThreshhold && remainingTime !== null) || vol < triggerLowVol || vol == null){
         //shut down all downstream or atequipment machines,pumping stations and machine groups
         Object.entries(this.machines).forEach(([machineId, machine]) => {
-          machine.handleInput('parent', 'execSequence', 'shutdown');
-          this.logger.warn(`Safe guard triggered: vol=${vol.toFixed(2)} m3, remainingTime=${remainingTime ? remainingTime.toFixed(1) : 'N/A'} s; shutting down machine "${machineId}"`);
+          const position = machine?.config?.functionality?.positionVsParent;
+          if ((position === 'downstream' || position === 'atEquipment') && machine._isOperationalState()) {
+            machine.handleInput('parent', 'execSequence', 'shutdown');
+            this.logger.warn(`Safe guard triggered: vol=${vol.toFixed(2)} m3, remainingTime=${remainingTime ? remainingTime.toFixed(1) : 'N/A'} s; shutting down machine "${machineId}"`);
+          }
         });
         Object.entries(this.stations).forEach(([stationId, station]) => {
           station.handleInput('parent', 'execSequence', 'shutdown');
           this.logger.warn(`Safe guard triggered: vol=${vol.toFixed(2)} m3, remainingTime=${remainingTime ? remainingTime.toFixed(1) : 'N/A'} s; shutting down station "${stationId}"`);
         });
         Object.entries(this.machineGroups).forEach(([groupId, group]) => {
-          group.handleInput('parent', 'execSequence', 'shutdown');
+          group.turnOffAllMachines();
           this.logger.warn(`Safe guard triggered: vol=${vol.toFixed(2)} m3, remainingTime=${remainingTime ? remainingTime.toFixed(1) : 'N/A'} s; shutting down machine group "${groupId}"`);
         });
         this.safetyControllerActive = true;
       }
     }
 
+    if(direction == "filling"){
+      this.logger.debug(`Safe-guard (filling): vol=${vol != null ? vol.toFixed(2) + ' m3' : 'N/A'}; ` +
+      `remainingTime=${Number.isFinite(remainingTime) ? remainingTime.toFixed(1) + ' s' : 'N/A'}; ` +
+      `direction=${String(direction)}; triggerHighVol=${Number.isFinite(triggerHighVol) ? triggerHighVol.toFixed(2) + ' m3' : 'N/A'}`
+      );
+      if( (remainingTime < timeThreshhold && remainingTime !== null) || vol > triggerHighVol || vol == null){
+        //shut down all upstream machines,pumping stations and machine groups
+        Object.entries(this.machines).forEach(([machineId, machine]) => {
+          const position = machine?.config?.functionality?.positionVsParent;
+          if ((position === 'upstream' ) && machine._isOperationalState()) {
+            machine.handleInput('parent', 'execSequence', 'shutdown');
+          }
+        });
+        Object.entries(this.machineGroups).forEach(([groupId, group]) => {
+          group.turnOffAllMachines();
+        });
+        Object.entries(this.stations).forEach(([stationId, station]) => {
+          station.handleInput('parent', 'execSequence', 'shutdown');
+        });
+
+        this.logger.warn(`Safe guard triggered: vol=${vol.toFixed(2)} m3, remainingTime=${remainingTime ? remainingTime.toFixed(1) : 'N/A'} s; shutting down all upstream machines/stations/groups`);
+        this.safetyControllerActive = true;
+      }
+    }
+
   }
 
   changeMode(newMode){
@@ -146,7 +176,10 @@ class PumpingStation {
 
   }
 
+  /* old levelcontrol
   async _controlLevelBased(snapshot, remainingTime) {
+
+
     // current volume as a percentage of usable capacity
     const vol = this._resolveVolume(snapshot);
     if (vol == null) {
@@ -168,6 +201,7 @@ class PumpingStation {
       this.logger.debug(`Level-based control: waiting ${timeThresholdSeconds}s before acting`);
       return;
     }
+
     this.logger.debug(`Level-based control: dwelling for another ${Math.round((this._levelState.dwellUntil - now) / 1000)} seconds`);
     if (now < this._levelState.dwellUntil) return; // still waiting
 
@@ -183,6 +217,98 @@ class PumpingStation {
       await nextMachine.handleInput('parent', 'execSequence', 'startup');
     }
   }
+*/
+  async _controlLevelBased(snapshot, remainingTime) {
+
+
+    // current volume as a percentage of usable capacity
+    const vol = this._resolveVolume(snapshot);
+    if (vol == null) {
+      this.logger.warn('No valid volume found for level-based control');
+      return;
+    }
+
+    const { thresholds, timeThresholdSeconds } = this.config.control.levelbased;
+    const percentFull = (vol / this.basin.maxVolOverflow) * 100;
+
+    // pick thresholds that are now crossed but were not crossed before
+    const newlyCrossed = thresholds.filter(t => percentFull >= t && !this._levelState.crossed.has(t));
+    this.logger.debug(`Level-based control: vol=${vol.toFixed(2)} m³ (${percentFull.toFixed(1)}%), newly crossed thresholds: [${newlyCrossed.join(', ')}]`);
+    if (!newlyCrossed.length) return;
+
+    const now = Date.now();
+    if (!this._levelState.dwellUntil) {
+      this._levelState.dwellUntil = now + timeThresholdSeconds * 1000;
+      this.logger.debug(`Level-based control: waiting ${timeThresholdSeconds}s before acting`);
+      return;
+    }
+
+    this.logger.debug(`Level-based control: dwelling for another ${Math.round((this._levelState.dwellUntil - now) / 1000)} seconds`);
+    if (now < this._levelState.dwellUntil) return; // still waiting
+
+    this._levelState.dwellUntil = null; // dwell satisfied, let pumps start
+
+   this._levelState.dwellUntil = null;
+
+    newlyCrossed.forEach((threshold) => this._levelState.crossed.add(threshold));
+
+    const percentControl = this._calculateLevelControlPercent(thresholds);
+    if (percentControl <= 0) {
+      this.logger.debug('Level-based control: percent control resolved to 0%, skipping commands');
+      return;
+    }
+
+    this.logger.info(
+      `level-based control: thresholds [${newlyCrossed.join(', ')}]% reached, requesting ${percentControl.toFixed(1)}% control (vol=${vol.toFixed(2)} m³)`
+    );
+
+    await this._applyMachineGroupLevelControl(percentControl);
+    await this._applyIdleMachineLevelControl(percentControl);
+  }
+
+  async _applyMachineGroupLevelControl(percentControl) {
+    this.logger.debug(`Applying level control to machine groups: ${percentControl.toFixed(1)}% displaying machine groups ${Object.keys(this.machineGroups).join(', ')}`);
+    if (!this.machineGroups || Object.keys(this.machineGroups).length === 0) return;
+
+    await Promise.all(
+      Object.values(this.machineGroups).map(async (group) => {
+        try {
+          await group.handleInput('parent', percentControl);
+        } catch (err) {
+          this.logger.error(`Failed to send level control to group "${group.config.general.name}": ${err.message}`);
+        }
+      })
+    );
+  }
+
+  async _applyIdleMachineLevelControl(percentControl) {
+    const idleMachines = Object.values(this.machines).filter((machine) => {
+      const pos = machine?.config?.functionality?.positionVsParent;
+      return (pos === 'downstream' || pos === 'atEquipment') && !machine._isOperationalState();
+    });
+
+    if (!idleMachines.length) return;
+
+    const perMachine = percentControl / idleMachines.length;
+
+    for (const machine of idleMachines) {
+      try {
+        await machine.handleInput('parent', 'execSequence', 'startup');
+        await machine.handleInput('parent', 'execMovement', perMachine);
+      } catch (err) {
+        this.logger.error(`Failed to start idle machine "${machine.config.general.name}": ${err.message}`);
+      }
+    }
+  }
+
+  _calculateLevelControlPercent(thresholds = []) {
+    if (!thresholds.length) return 0;
+    const total = thresholds.length;
+    const crossed = this._levelState.crossed.size;
+    const pct = (crossed / total) * 100;
+    return Math.min(100, Math.max(0, pct));
+  }
+
 
   _resolveVolume(snapshot) {
     for (const variant of this.volVariants) {
@@ -281,7 +407,6 @@ class PumpingStation {
     this.logger.debug(`Height : ${this.measurements.type('level').variant('predicted').position('atequipment').getCurrentValue('m') } m`);
   }
 
-
   _registerMeasurementChild(child) {
     const position = child.config.functionality.positionVsParent;
     const measurementType = child.config.asset.type;
@@ -304,24 +429,41 @@ class PumpingStation {
 
   //register machines or pumping stations that can provide predicted flow data
   _registerPredictedFlowChild(child) {
-    const position = child.config.functionality.positionVsParent;
+    const position = (child.config.functionality.positionVsParent || '').toLowerCase();
     const childName = child.config.general.name;
     const childId = child.config.general.id ?? childName;
 
-    const posKey =
-      position === 'downstream' || position === 'out' || position === 'atequipment'
-        ? 'out'
-        : position === 'upstream' || position === 'in'
-          ? 'in'
-          : null;
+    let posKey;
+    let eventNames;
 
-    if (!posKey) {
-      this.logger.warn(`Unsupported predicted flow position "${position}" from ${childName}`);
-      return;
+    switch (position) {
+      case 'downstream':
+      case 'out':
+      case 'atequipment':
+        posKey = 'out';
+        eventNames = [
+          'flow.predicted.downstream',
+          'flow.predicted.atequipment'
+        ];
+        break;
+
+      case 'upstream':
+      case 'in':
+        posKey = 'in';
+        eventNames = [
+          'flow.predicted.upstream',
+          'flow.predicted.atequipment'
+        ];
+        break;
+
+      default:
+        this.logger.warn(`Unsupported predicted flow position "${position}" from ${childName}`);
+        return;
     }
 
     if (!this.predictedFlowChildren.has(childId)) {
       this.predictedFlowChildren.set(childId, { in: 0, out: 0 });
+      this.logger.debug(`Initialized predicted flow tracking for child ${childName} (${childId})`);
     }
 
     const handler = (eventData = {}) => {
@@ -335,14 +477,7 @@ class PumpingStation {
       this._refreshAggregatedPredictedFlow(posKey, timestamp, unit);
     };
 
-    const eventNames =
-      posKey === 'in'
-        ? ['flow.predicted.downstream', 'flow.predicted.upstream']
-        : ['flow.predicted.downstream'];
-
-    for (const eventName of eventNames) {
-      child.measurements.emitter.on(eventName, handler);
-    }
+    eventNames.forEach((eventName) => child.measurements.emitter.on(eventName, handler));
   }
 
   _refreshAggregatedPredictedFlow(direction, timestamp = Date.now(), unit = 'm3/s') {
@@ -725,7 +860,7 @@ class PumpingStation {
       minVolOut
     };
 
-    this.measurements.type('volume').variant('predicted').position('atEquipment').value(maxVolOverflow).unit('m3');
+    this.measurements.type('volume').variant('predicted').position('atEquipment').value(heightOutlet).unit('m3');
 
     this.logger.debug(
       `Basin initialized | area=${surfaceArea.toFixed(2)} m2, max=${maxVol.toFixed(2)} m3, overflow=${maxVolOverflow.toFixed(2)} m3`