diff --git a/Sample.html b/Sample.html
index 47719f7..a35622d 100644
--- a/Sample.html
+++ b/Sample.html
@@ -46,7 +46,7 @@ <h1>Tank Design Report - Sample.html</h1>
   <table>
     <tr>
       <th>Thickness</th>
-      <td>0.0 in</td>
+      <td>0.0011464968152866241 in</td>
     </tr>
   </table>
   <div class="category">Features</div>
@@ -65,7 +65,7 @@ <h1>Tank Design Report - Sample.html</h1>
     </tr>
     <tr>
       <td>Internal Pressure</td>
-      <td>0 psi</td>
+      <td>1 psi</td>
     </tr>
     <tr>
       <td>External Pressure</td>
@@ -77,7 +77,7 @@ <h1>Tank Design Report - Sample.html</h1>
     </tr>
     <tr>
       <td>Bottom Head Type</td>
-      <td>Conical</td>
+      <td>Flat</td>
     </tr>
     
     <tr>
@@ -222,12 +222,7 @@ <h1>Tank Design Report - Sample.html</h1>
     </tr>
     <tr>
       <td>Storage Type</td>
-      <td>Liquid</td>
-    </tr>
-    
-    <tr>
-      <td>Specific Gravity</td>
-      <td>0</td>
+      <td>Gas</td>
     </tr>
     
   </table>
@@ -240,7 +235,7 @@ <h1>Tank Design Report - Sample.html</h1>
     </tr>
     <tr>
       <td>Type:</td>
-      <td>Ellipsoidal</td>
+      <td>Flat</td>
     </tr>
     <tr>
       <td>Live load</td>
@@ -251,7 +246,7 @@ <h1>Tank Design Report - Sample.html</h1>
       <td>0 lbf</td>
     </tr>
   </table>
-   <div class="category">Top Head</div>
+   <div class="category">Shell</div>
    <table>
     <tr>
       <th>Parameter</th>
@@ -262,7 +257,7 @@ <h1>Tank Design Report - Sample.html</h1>
       <td>Hand Lay-Up</td>
     </tr>
     <tr>
-      <td>Hoop Tensile Modulus:</td>
+      <td>Hoop Tensile Modulus</td>
       <td>0 psi</td>
     </tr>
     <tr>
@@ -278,7 +273,29 @@ <h1>Tank Design Report - Sample.html</h1>
       <td>0 psi</td>
     </tr>
   </table>
-
+  <div class="category">Nozzle</div>
+  <table>
+    <tr>
+      <th>Parameter</th>
+      <th>Value</th>
+    </tr>
+    <tr>
+      <td>Number of Nozzles</td>
+      <td>0</td>
+    </tr>
+    <tr>
+      <td>Length of Nozzle</td>
+      <td>0 in</td>
+    </tr>
+    <tr>
+      <td>Thickness of Nozzle</td>
+      <td>0 in</td>
+    </tr>
+    <tr>
+      <td>Diameter of Nozzle</td>
+      <td>0 in</td>
+    </tr>
+  </table>
 </body>
 
 </html>
\ No newline at end of file
diff --git a/connectors/formulas.py b/connectors/formulas.py
index ce4fe3a..749f05a 100644
--- a/connectors/formulas.py
+++ b/connectors/formulas.py
@@ -14,6 +14,7 @@
 Yc = 1.860E+004  # Compressive Strength (psi)
 S = 1.290E+004  # Shear Strength (psi)
 g = 9.81  # Gravity (m/s^2)
+dEglass = 158.6  # Density of E-Glass (lb/ft^3)
 
 
 def calculateTank(tank):
@@ -29,26 +30,24 @@ def calculateTank(tank):
         float(tank['liquid_height'])*float(tank['specific_gravity'])
     t = 0
     if tank['tensile_force'] and tank['outdoor']:
-        t1 = tensileForceThickness(tank['operating_moment'], tank['diameter'],
-                                   tank['tensile_force_value'], tank['internal_pressure'])
+        t1 = tensileForceThickness(
+            tank['operating_moment'], tank['diameter'], tank['tensile_force_value'])
         t2 = operatingCompressiveForceThickness(tank)
         t = max(t1, t2)
     elif tank['outdoor'] and not tank['tensile_force']:
         t = operatingCompressiveForceThickness(tank)
     elif tank['tensile_force'] and not tank['outdoor']:
-        t = tensileForceThickness(tank['operating_moment'], tank['diameter'],
-                                  tank['tensile_force_value'], tank['internal_pressure'])
-    else:
-        t, Eh = idealThickness(
-            tank['diameter'], tank['internal_pressure'], tank['hoop_tensile_modulus'])
-        tank['hoop_tensile_modulus'] = Eh
+        t = tensileForceThickness(
+            tank['operating_moment'], tank['diameter'], tank['tensile_force_value'])
+
+    t += idealThickness(tank['diameter'], tank['internal_pressure'])
     tank['internal_pressure'] = p
     tank['thickness'] = t + tank['corrosion_barrier_thickness'] + \
         tank['corrosion_liner_thickness']
     return tank
 
 
-def idealThickness(D=0.0, Pi=0.0, Eh=0.0):
+def idealThickness(D=0.0, Pi=0.0):
     """
     Ideal thickness formula
         used when none of the modifiers are selected
@@ -61,15 +60,12 @@ def idealThickness(D=0.0, Pi=0.0, Eh=0.0):
         t = (PD)/(2*(0.001*Eh))
     Returns:
         t = thickness
-        Eh = hoop tensile modulus
     """
     # check if we should use the default hoop tensile modulus
-    if Eh == 0:
-        Eh = E1
-    return ((float(Pi)*float(D)*10)/(2*Xt), Eh)
+    return (float(Pi)*float(D)*10)/(2*Xt)
 
 
-def tensileForceThickness(Ma=0.0, D=0.0, Fat=0.0, Pi=0.0):
+def tensileForceThickness(Ma=0.0, D=0.0, Fat=0.0):
     """
     Thickness formula when accounting for tensile force
 
@@ -77,13 +73,12 @@ def tensileForceThickness(Ma=0.0, D=0.0, Fat=0.0, Pi=0.0):
         Ma = Bending moment from operating loads
         D = inside diameter
         Fat = Axial Tensile force 
-        Pi = internal pressure (probably 15)
         10 is design factor
 
     Formula:
-        t = ((Ma*8.8507457916)/(PI()*((D/2)^2)*(Xt/10))) + ((Fat*0.2248089431)/(PI()*D*(Xt/10))) + ((P*D)/(4*(Xt/10)));
+        t = ((Ma*8.8507457916)/(PI()*((D/2)^2)*(Xt/10))) + ((Fat*0.2248089431)/(PI()*D*(Xt/10)))
     """
-    return ((float(Ma))/(math.pi*((float(D)/2)**2)*(Xt/10))) + ((float(Fat))/(math.pi*float(D)*(Xt/10))) + ((float(Pi)*float(D))/(4*(Xt/10)))
+    return ((float(Ma))/(math.pi*((float(D)/2)**2)*(Xt/10))) + ((float(Fat))/(math.pi*float(D)*(Xt/10)))
 
 
 def operatingCompressiveForceThickness(tank):
@@ -122,12 +117,14 @@ def operatingCompressiveForceThickness(tank):
         t2 = (((((Ma) + Mb)/(PI()*((D/2)^2))) + (((Fac)+Fbc)/(PI()*D)) + ((Pe*D)/4)) * ((5*(D/2))/(0.3*((E2*E1)^(1/2)))))^(1/2);
     """
     # get values
+    nozzle = (2.0*math.pi*(float(tank['diameter'])/24.0)*(float(
+        tank['nozzle_length'])/12.0)*(float(tank['nozzle_thickness'])/12.0))*dEglass
     Ma = float(tank['operating_moment'])
     D = float(tank['diameter'])
     Fac = float(tank['compressive_force'])
     Pe = float(tank['external_pressure'])
     height = float(tank['height'])
-    deadLoad = float(tank['dead_load'])
+    deadLoad = float(tank['dead_load']) + nozzle
     liveLoad = float(tank['live_load'])
     Ce = float(tank['snow_Ce'])
     Ct = float(tank['snow_Ct'])
diff --git a/connectors/templates.py b/connectors/templates.py
index 4724e24..1fd5560 100644
--- a/connectors/templates.py
+++ b/connectors/templates.py
@@ -262,7 +262,7 @@
       <td>{{ dead_load }} lbf</td>
     </tr>
   </table>
-   <div class="category">Top Head</div>
+   <div class="category">Shell</div>
    <table>
     <tr>
       <th>Parameter</th>
@@ -273,7 +273,7 @@
       <td>{{ shell }}</td>
     </tr>
     <tr>
-      <td>Hoop Tensile Modulus:</td>
+      <td>Hoop Tensile Modulus</td>
       <td>{{ hoop_tensile_modulus }} psi</td>
     </tr>
     <tr>
@@ -289,7 +289,29 @@
       <td>{{ axial_tensile_strength }} psi</td>
     </tr>
   </table>
-
+  <div class="category">Nozzle</div>
+  <table>
+    <tr>
+      <th>Parameter</th>
+      <th>Value</th>
+    </tr>
+    <tr>
+      <td>Number of Nozzles</td>
+      <td>{{ nozzles }}</td>
+    </tr>
+    <tr>
+      <td>Length of Nozzle</td>
+      <td>{{ nozzle_length }} in</td>
+    </tr>
+    <tr>
+      <td>Thickness of Nozzle</td>
+      <td>{{ nozzle_thickness }} in</td>
+    </tr>
+    <tr>
+      <td>Diameter of Nozzle</td>
+      <td>{{ nozzle_diameter }} in</td>
+    </tr>
+  </table>
 </body>
 
 </html>
diff --git a/ui.py b/ui.py
index 874f170..df6b8c7 100644
--- a/ui.py
+++ b/ui.py
@@ -110,6 +110,18 @@ def app():
             sg.Spin(values=[i for i in range(0, 100, 1)], initial_value=0, key='dead_load', size=(5, 20))],
     ]
 
+    # Nozzle
+    nozzle = [
+        [sg.Text('Number of Nozzles:', pad=(10, 3)),
+            sg.Spin(values=[i for i in range(0, 100, 1)], initial_value=0, key='nozzles', size=(5, 20))],
+        [sg.Text('Length of Nozzle (in):', pad=(10, 3)),
+            sg.Spin(values=[i for i in range(0, 100, 1)], initial_value=0, key='nozzle_length', size=(5, 20))],
+        [sg.Text('Thickness of Nozzle (in):', pad=(10, 3)),
+            sg.Spin(values=[i for i in range(0, 100, 1)], initial_value=0, key='nozzle_thickness', size=(5, 20))],
+        [sg.Text('Diameter of Nozzle (in):', pad=(10, 3)),
+            sg.Spin(values=[i for i in range(0, 100, 1)], initial_value=0, key='nozzle_diameter', size=(5, 20))],
+    ]
+
     # Shell
     shell = [
         [sg.Text('Type:', pad=(10, 3)),
@@ -133,7 +145,8 @@ def app():
     layout = [
         [sg.Menu(menu_def, font='_ 12', key='-MENUBAR-')],
         [[sg.TabGroup([[sg.Tab('Features', features), sg.Tab('Environment', environment), sg.Tab('Contents', contents),
-                        sg.Tab('Top Head', top_head), sg.Tab('Shell', shell),]],
+                        sg.Tab('Top Head', top_head), sg.Tab('Shell', shell),
+                        sg.Tab('Nozzle', nozzle)]],
                       key='-TAB GROUP-', expand_x=True, expand_y=True),]], [actions]]
 
     window = sg.Window("Auto FRP Tank", layout, resizable=True,