diff --git a/DRAMSys/traceAnalyzer/CMakeLists.txt b/DRAMSys/traceAnalyzer/CMakeLists.txt
index e21f2ff0..0216e6da 100644
--- a/DRAMSys/traceAnalyzer/CMakeLists.txt
+++ b/DRAMSys/traceAnalyzer/CMakeLists.txt
@@ -103,6 +103,7 @@ add_executable(TraceAnalyzer
     businessObjects/phases/phase.cpp
     businessObjects/phases/phasedependency.cpp
     businessObjects/phases/dependencyinfos.cpp
+    businessObjects/dramTimeDependencies/timedependenciesIF.cpp
     presentation/tracedrawingproperties.cpp
     presentation/util/traceplotline.cpp
     presentation/util/traceplotlinecache.cpp
diff --git a/DRAMSys/traceAnalyzer/businessObjects/dramTimeDependencies/timedependenciesIF.cpp b/DRAMSys/traceAnalyzer/businessObjects/dramTimeDependencies/timedependenciesIF.cpp
new file mode 100644
index 00000000..89cb4052
--- /dev/null
+++ b/DRAMSys/traceAnalyzer/businessObjects/dramTimeDependencies/timedependenciesIF.cpp
@@ -0,0 +1,85 @@
+
+#include "timedependenciesIF.h"
+
+#include <QJsonDocument>
+
+DRAMTimeDependenciesIF::DRAMTimeDependenciesIF(const TraceDB& tdb) {
+    mGetMemspec(tdb);
+
+}
+
+QMap<QString, PhaseTimeDependencies>
+DRAMTimeDependenciesIF::getDependencies(const std::vector<QString>& commands) const {
+    QMap<QString, PhaseTimeDependencies> dependenciesMap;
+    
+    dependenciesMap = mSpecializedGetDependencies();
+    
+    mFilterDependencyMap(dependenciesMap, commands);
+
+    auto it = dependenciesMap.begin();
+    while (it != dependenciesMap.end()) {
+        mFilterDependencyList(it.value().dependencies, commands);
+        it.value().maxTime = mFindVectorMaximum(it.value().dependencies);
+    }
+
+    return dependenciesMap;
+}
+
+void DRAMTimeDependenciesIF::mGetMemspec(const TraceDB& tdb) {
+    QSqlDatabase db = tdb.getDatabase();
+    QString query = "SELECT Memspec FROM GeneralInfo";
+    QSqlQuery sqlQuery = db.exec(query);
+
+    sqlQuery.next();
+    QString memSpecJson = sqlQuery.value(0).toString();
+    sqlQuery.finish();
+
+    QJsonDocument jsonDocument = QJsonDocument::fromJson(memSpecJson.toUtf8());
+    mMemspecJson = jsonDocument.object()["memspec"].toObject();
+
+}
+
+void DRAMTimeDependenciesIF::mFilterDependencyList(std::vector<TimeDependency>& dependencyList, const std::vector<QString>& commands) const {
+    std::vector<TimeDependency> newDepList(dependencyList.size());
+    
+    std::copy_if(
+        dependencyList.begin(),
+        dependencyList.end(),
+        newDepList.begin(),
+        [ commands ](const TimeDependency& dep) { 
+            return dep.phaseDep == "NAW" 
+                   || (
+                       std::find_if(
+                            commands.begin(),
+                            commands.end(),
+                            [ dep ](const QString& cmd) {
+                                return dep.phaseDep == cmd;
+                            }
+                     ) != commands.end() )
+            ;
+        }
+    );
+
+    newDepList.shrink_to_fit();
+
+    dependencyList = newDepList;
+
+}
+
+void DRAMTimeDependenciesIF::mFilterDependencyMap(QMap<QString, PhaseTimeDependencies>& dependencyList, const std::vector<QString>& commands) const {
+    // TODO
+}
+
+size_t DRAMTimeDependenciesIF::mFindVectorMaximum(const std::vector<TimeDependency>& dependencyList) const {
+    auto maxElement = std::max_element(
+        dependencyList.begin(),
+        dependencyList.end(),
+        [](const TimeDependency& dep1, const TimeDependency& dep2) {
+            return dep1.timeValue < dep2.timeValue;
+        }
+    );
+
+    if (maxElement == dependencyList.end()) return 0;
+
+    return maxElement->timeValue;
+}
diff --git a/DRAMSys/traceAnalyzer/businessObjects/dramTimeDependencies/timedependenciesIF.h b/DRAMSys/traceAnalyzer/businessObjects/dramTimeDependencies/timedependenciesIF.h
new file mode 100644
index 00000000..7234090d
--- /dev/null
+++ b/DRAMSys/traceAnalyzer/businessObjects/dramTimeDependencies/timedependenciesIF.h
@@ -0,0 +1,44 @@
+
+#pragma once
+
+#include <algorithm>
+#include <vector>
+#include <QMap>
+#include <QJsonObject>
+
+#include "data/tracedb.h"
+#include "businessObjects/phases/phasedependency.h"
+
+struct TimeDependency {
+    size_t timeValue;
+    QString phaseDep;
+    DependencyType depType;
+    QString timeDepName;
+};
+
+struct PhaseTimeDependencies {
+    QString phaseName;
+    std::vector<TimeDependency> dependencies;
+    size_t maxTime;
+};
+
+class DRAMTimeDependenciesIF {
+public:
+    DRAMTimeDependenciesIF(const TraceDB& tdb);
+    virtual ~DRAMTimeDependenciesIF() = default;
+
+    QMap<QString, PhaseTimeDependencies> getDependencies(const std::vector<QString>& commands) const;
+
+protected:
+    void mFilterDependencyList(std::vector<TimeDependency>& dependencyList, const std::vector<QString>& commands) const;
+    void mFilterDependencyMap(QMap<QString, PhaseTimeDependencies>& dependencyList, const std::vector<QString>& commands) const;
+    size_t mFindVectorMaximum(const std::vector<TimeDependency>& dependencyList) const;
+
+protected:
+    QJsonObject mMemspecJson;
+    virtual void mInitializeValues() = 0;
+    virtual QMap<QString, PhaseTimeDependencies> mSpecializedGetDependencies() const = 0;
+
+private:
+    void mGetMemspec(const TraceDB& tdb);
+};