diff --git a/bld/tnx2v1/patch.input.406 b/bld/tnx2v1/patch.input.406
new file mode 100644
index 00000000..fd421927
--- /dev/null
+++ b/bld/tnx2v1/patch.input.406
@@ -0,0 +1,154 @@
+  npes   npe   mpe   idm   jdm  ibig  jbig  nreg  minsea  maxsea  avesea
+   406    20    24   180   193     9     9     2       0      81      57
+
+ispt(  1) =      0     0    27    36     0     0     0     0
+                 0     0     0     0     0     0     0   136
+               145   154   163     0
+iipe(  1) =      0     0     9     9     0     0     0     0
+                 0     0     0     0     0     0     0     9
+                 9     9     3     0
+ispt(  2) =      1    10    19    28    37    46    55     0
+                 0     0     0     0     0     0     0   136
+               145   154   163   172
+iipe(  2) =      9     9     9     9     9     9     4     0
+                 0     0     0     0     0     0     0     9
+                 9     9     9     9
+ispt(  3) =      1    10    19    28    37    46    55    64
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe(  3) =      9     9     9     9     9     9     9     9
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt(  4) =      1    10    19    28    37    46    55    64
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe(  4) =      9     9     9     9     9     9     9     9
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt(  5) =      1    10    19    28    37    46    55    64
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe(  5) =      9     9     9     9     9     9     9     9
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt(  6) =      1    10    19    28    37    46    55    64
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe(  6) =      9     9     9     9     9     9     9     9
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt(  7) =      1    10    19    28    37    46    55    64
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe(  7) =      9     9     9     9     9     9     9     9
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt(  8) =      1    10    19    28    37    46    55    64
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe(  8) =      9     9     9     9     9     9     9     9
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt(  9) =      1    10    19    34    37    46    55     0
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe(  9) =      9     9     3     3     9     9     9     0
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt( 10) =      1    10     0    34    37    46    55     0
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe( 10) =      9     9     0     3     9     9     9     0
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt( 11) =      1    10     0    33    37    46    55     0
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe( 11) =      9     9     0     4     9     9     9     0
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt( 12) =      1    10     0    28    37    46    55     0
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe( 12) =      9     9     0     9     9     9     9     0
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt( 13) =      1    10    19    28    37    46    55     0
+                77    82    91   100   109   118   127   136
+               145   154   163   172
+iipe( 13) =      9     9     9     9     9     9     9     0
+                 5     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt( 14) =      1    10    19    28    37    46    55     0
+                77    82    91   100   109   118   127   136
+               145   154   163   172
+iipe( 14) =      9     9     9     9     9     9     6     0
+                 5     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt( 15) =      1    10    19    28    37    46     0     0
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe( 15) =      9     9     9     9     9     4     0     0
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt( 16) =      1    10    19    28    37    46     0    70
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe( 16) =      9     9     9     9     9     5     0     3
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt( 17) =      1    10    19    28    37    46    55    64
+                73    82    91   100   109   118   127   136
+               145   154   163   172
+iipe( 17) =      9     9     9     9     9     9     9     9
+                 9     9     9     9     9     9     9     9
+                 9     9     9     9
+ispt( 18) =      0    15    24    33    42    51    60    69
+                 0     0     0     0   114   118   127   136
+               145   154   163   172
+iipe( 18) =      0     9     9     9     9     9     9     9
+                 0     0     0     0     4     9     9     9
+                 9     9     9     6
+ispt( 19) =      0    10    19    28    37    46    55    64
+                73     0     0     0     0   124   133   142
+               151   160   169     0
+iipe( 19) =      0     9     9     9     9     9     9     9
+                 3     0     0     0     0     9     9     9
+                 9     9     6     0
+ispt( 20) =      7    10    19    28    37    46    55    64
+                 0     0     0     0     0   124   127   136
+               145   154   163     0
+iipe( 20) =      3     9     9     9     9     9     9     9
+                 0     0     0     0     0     3     9     9
+                 9     9     9     0
+ispt( 21) =      0     8    12    21    30    39    48    57
+                66     0     0     0     0   123   132   141
+               150   159     0     0
+iipe( 21) =      0     4     9     9     9     9     9     9
+                 9     0     0     0     0     9     9     9
+                 9     9     0     0
+ispt( 22) =      0    10    19    28    37    46    55    64
+                73     0     0     0     0   119   128   137
+               146   155     0     0
+iipe( 22) =      0     9     9     9     9     9     9     9
+                 3     0     0     0     0     9     9     9
+                 9     9     0     0
+ispt( 23) =      0    10    19    28    37    46    55    64
+                73     0     0     0   109   118   127   136
+               145   154   163     0
+iipe( 23) =      0     9     9     9     9     9     9     9
+                 5     0     0     0     9     9     9     9
+                 9     9     9     0
+ispt( 24) =      0    10    19    28    37    46    55    64
+                73     0     0   100   109   118   127   136
+               145   154   163     0
+iipe( 24) =      0     9     9     9     9     9     9     9
+                 9     0     0     9     9     9     9     9
+                 9     9     9     0
+ 
+jspt(  1) =      1     9    17    25    33    41    49    57
+                65    73    81    89    98   106   114   122
+               130   138   146   154   162   170   178   186
+jjpe(  1) =      8     8     8     8     8     8     8     8
+                 8     8     8     9     8     8     8     8
+                 8     8     8     8     8     8     8     8
diff --git a/cime_config/config_pes.xml b/cime_config/config_pes.xml
index 209576f4..1b0827d9 100644
--- a/cime_config/config_pes.xml
+++ b/cime_config/config_pes.xml
@@ -412,10 +412,13 @@
     </mach>
   </grid>
 
+
+  <!-- Configurations for the two degree tripolar (tnx2) grid for compsets including iHAMOCC  !-->
+  
   <grid name="a%T62.+oi%tnx2v1">
     <mach name="any">
       <pes pesize="XS" compset="_DATM.*_BLOM%ECO">
-	<comment>none</comment>
+	<comment>Very small and efficent pe-layout on 128 pes in total</comment>
 	<ntasks>
 	  <ntasks_atm>1</ntasks_atm> 
 	  <ntasks_rof>1</ntasks_rof> 
@@ -452,7 +455,7 @@
   <grid name="a%T62.+oi%tnx2v1">
     <mach name="any">
       <pes pesize="S" compset="_DATM.*_BLOM%ECO">
-	<comment>none</comment>
+	<comment>Small pe-layout with 219 pe in total</comment>
 	<ntasks>
 	  <ntasks_atm>1</ntasks_atm> 
 	  <ntasks_rof>1</ntasks_rof> 
@@ -489,7 +492,7 @@
   <grid name="a%T62.+oi%tnx2v1">
     <mach name="any">
       <pes pesize="M" compset="_DATM.*_BLOM%ECO">
-	<comment>none</comment>
+	<comment>Medium sized pe-layout with 352 pes in total</comment>
 	<ntasks>
 	  <ntasks_atm>1</ntasks_atm> 
 	  <ntasks_rof>1</ntasks_rof> 
@@ -523,5 +526,42 @@
       </pes>
     </mach>
   </grid>
+  <grid name="a%T62.+oi%tnx2v1">
+    <mach name="any">
+      <pes pesize="L" compset="_DATM.*_BLOM%ECO">
+	<comment>Large pe-layout with 512 pes in total</comment>
+	<ntasks>
+	  <ntasks_atm>1</ntasks_atm> 
+	  <ntasks_rof>1</ntasks_rof> 
+	  <ntasks_ice>102</ntasks_ice> 
+	  <ntasks_ocn>406</ntasks_ocn> 
+	  <ntasks_cpl>106</ntasks_cpl> 
+	  <ntasks_lnd>1</ntasks_lnd>
+	  <ntasks_glc>1</ntasks_glc> 
+	  <ntasks_wav>1</ntasks_wav> 
+	</ntasks>
+	<nthrds>
+	  <nthrds_atm>1</nthrds_atm>                   
+	  <nthrds_lnd>1</nthrds_lnd> 
+	  <nthrds_rof>1</nthrds_rof> 
+	  <nthrds_ice>1</nthrds_ice> 
+	  <nthrds_ocn>1</nthrds_ocn> 
+	  <nthrds_glc>1</nthrds_glc> 
+	  <nthrds_wav>1</nthrds_wav> 
+	  <nthrds_cpl>1</nthrds_cpl> 
+	</nthrds>
+	<rootpe>
+	  <rootpe_atm>0</rootpe_atm> 
+	  <rootpe_lnd>1</rootpe_lnd> 
+	  <rootpe_rof>2</rootpe_rof> 
+	  <rootpe_ice>4</rootpe_ice>    
+	  <rootpe_ocn>106</rootpe_ocn>   
+	  <rootpe_glc>3</rootpe_glc> 
+	  <rootpe_wav>3</rootpe_wav> 
+	  <rootpe_cpl>0</rootpe_cpl>                         
+	</rootpe>
+      </pes>
+    </mach>
+  </grid>
 
 </config_pes>