diff --git a/Trigger/TriggerCommon/TriggerMenu/python/l1menu/ItemDef.py b/Trigger/TriggerCommon/TriggerMenu/python/l1menu/ItemDef.py
index 917062c23b852421ec3762aa5fd60255501c2445..acffc7f3d2a745f31d002c1f09371434cfc323b4 100755
--- a/Trigger/TriggerCommon/TriggerMenu/python/l1menu/ItemDef.py
+++ b/Trigger/TriggerCommon/TriggerMenu/python/l1menu/ItemDef.py
@@ -1014,6 +1014,7 @@ class ItemDef:
         LVL1MenuItem('L1_RD0_UNPAIRED_ISO'   ).setLogic( RNDM0 & unpaired_isocond   ).setTriggerType(TT.rand)    # noqa: F821
         LVL1MenuItem('L1_RD0_FIRSTEMPTY'     ).setLogic( RNDM0 & firstempty         ).setTriggerType(TT.rand)    # noqa: F821
         LVL1MenuItem('L1_RD0_BGRP9'          ).setLogic( RNDM0 & bgrp9cond          ).setTriggerType(TT.rand)    # noqa: F821
+        LVL1MenuItem('L1_RD0_BGRP10'         ).setLogic( RNDM0 & alfacalib          ).setTriggerType(TT.rand)    # noqa: F821
         LVL1MenuItem('L1_RD0_BGRP11'         ).setLogic( RNDM0 & bgrp11cond         ).setTriggerType(TT.rand)    # noqa: F821
         LVL1MenuItem('L1_RD0_ABORTGAPNOTCALIB').setLogic( RNDM0 & abortgap          ).setTriggerType(TT.rand)    # noqa: F821
 
diff --git a/Trigger/TriggerCommon/TriggerMenu/python/l1menu/Menu_MC_pp_v7.py b/Trigger/TriggerCommon/TriggerMenu/python/l1menu/Menu_MC_pp_v7.py
index ae407d14853f176d91f712ed47270ca67873bfb0..98b11b7eeae02307e925281c860d4a1aff520315 100644
--- a/Trigger/TriggerCommon/TriggerMenu/python/l1menu/Menu_MC_pp_v7.py
+++ b/Trigger/TriggerCommon/TriggerMenu/python/l1menu/Menu_MC_pp_v7.py
@@ -559,7 +559,7 @@ def defineMenu():
         "L1_RD2_FILLED","L1_RD2_EMPTY","L1_RD2_BGRP12",
         "L1_RD3_FILLED","L1_RD3_EMPTY",
         'L1_RD0_FIRSTEMPTY', 
-        'L1_RD0_BGRP9', 'L1_RD0_BGRP11', 'L1_RD0_ABORTGAPNOTCALIB',
+        'L1_RD0_BGRP9', 'L1_RD0_BGRP10', 'L1_RD0_BGRP11', 'L1_RD0_ABORTGAPNOTCALIB',
 
         #LUCID
         'L1_LUCID', 'L1_LUCID_EMPTY', 'L1_LUCID_UNPAIRED_ISO', 
@@ -916,7 +916,7 @@ def defineMenu():
     
 
 #CTP IDs are taken from this mapping. Every L1 item needs a unique ctpid.
-#Free CTP IDs (2017-08-18) are: 473-478, 
+#Free CTP IDs (2017-08-27) are: 474-478, 
 # 463-464 are reserved for L1_RD2_BGRP14 and L1_RD3_BGRP15 (in MC_Physics_pp_v7)
 # 509-511 are reserved for CALREQ
 
@@ -1256,6 +1256,7 @@ def defineMenu():
         'L1_RD3_EMPTY' : 208,
         'L1_RD0_FIRSTEMPTY' : 209,
         'L1_RD0_BGRP9' : 210,
+        'L1_RD0_BGRP10' : 473,
         'L1_RD0_BGRP11' : 211,
         'L1_LUCID' : 212,
         'L1_LUCID_EMPTY' : 213,
diff --git a/Trigger/TriggerCommon/TriggerMenu/python/menu/Physics_pp_v7.py b/Trigger/TriggerCommon/TriggerMenu/python/menu/Physics_pp_v7.py
index 5c8194e80202cb9f367bf00411e3cc60b48629cb..13d3eba42373c60f228b6b250302ce9f1edc9628 100644
--- a/Trigger/TriggerCommon/TriggerMenu/python/menu/Physics_pp_v7.py
+++ b/Trigger/TriggerCommon/TriggerMenu/python/menu/Physics_pp_v7.py
@@ -3523,11 +3523,11 @@ def setupMenu():
         ['lumipeb_vdm_L1MBTS_2_UNPAIRED_ISO', 'L1_MBTS_2_UNPAIRED_ISO', [], ['VdM'], ["RATE:Calibration", "BW:Detector"], -1],
         ['lumipeb_vdm_L1RD0_UNPAIRED_ISO',    'L1_RD0_UNPAIRED_ISO',    [], ['VdM'], ["RATE:Calibration", "BW:Detector"], -1],
         ['lumipeb_vdm_L1RD2_BGRP12',          'L1_RD2_BGRP12',          [], ['VdM'], ["RATE:Calibration", "BW:Detector"], -1],
+        ['lumipeb_vdm_L1RD0_BGRP10',          'L1_RD0_BGRP10',          [], ['VdM'], ["RATE:Calibration", "BW:Detector"], -1],
 
         ['lumipeb_vdm_L1MBTS_1', 'L1_MBTS_1', [], ['VdM'], ["RATE:Calibration", "BW:Detector"], -1],
         ['lumipeb_vdm_L1MBTS_2', 'L1_MBTS_2', [], ['VdM'], ["RATE:Calibration", "BW:Detector"], -1],
         ['lumipeb_vdm_L1RD0_FILLED',         'L1_RD0_FILLED', [], ['VdM'], ["RATE:Calibration", "BW:Detector"], -1],
-        ['lumipeb_vdm_L1RD0_FIRSTEMPTY',     'L1_RD0_FIRSTEMPTY', [], ['VdM'], ["RATE:Calibration", "BW:Detector"], -1],
  
 
         ['lumipeb_vdm_L1MBTS_2_LUCID',                 'L1_MBTS_2,L1_LUCID',    [], ['VdM'], ["RATE:Calibration", "BW:Detector"], -1], 
diff --git a/Trigger/TriggerCommon/TriggerMenuXML/data/LVL1config_MC_pp_v7.xml b/Trigger/TriggerCommon/TriggerMenuXML/data/LVL1config_MC_pp_v7.xml
index 482e21dc7b94e52a7cae141bf7d948122c27e63f..f5b92c8044654aa8c69dd9258e1cdbeb5d77502a 100644
--- a/Trigger/TriggerCommon/TriggerMenuXML/data/LVL1config_MC_pp_v7.xml
+++ b/Trigger/TriggerCommon/TriggerMenuXML/data/LVL1config_MC_pp_v7.xml
@@ -3,7 +3,7 @@
 <LVL1Config name="MC_pp_v7" ctpVersion="4" l1Version="1">
   <!--File is generated by TriggerMenu-->
   <!--No. L1 thresholds defined: 287-->
-  <!--No. L1 items defined: 502-->
+  <!--No. L1 items defined: 503-->
   <TriggerMenu name="MC_pp_v7" phase="lumi">
     <TriggerItem ctpid="0" partition="1" name="L1_EM3" complex_deadtime="0" definition="(EM3[x1]&amp;BGRP0&amp;BGRP1)" trigger_type="10000100" monitor="LF:000|HF:000">
       <AND>
@@ -3817,6 +3817,13 @@
         <InternalTrigger name="BGRP11"/>
       </AND>
     </TriggerItem>
+    <TriggerItem ctpid="473" partition="1" name="L1_RD0_BGRP10" complex_deadtime="0" definition="(RNDM0&amp;BGRP0&amp;BGRP10)" trigger_type="10000001" monitor="LF:000|HF:000">
+      <AND>
+        <InternalTrigger name="RNDM0"/>
+        <InternalTrigger name="BGRP0"/>
+        <InternalTrigger name="BGRP10"/>
+      </AND>
+    </TriggerItem>
     <TriggerItem ctpid="479" partition="1" name="L1_2TAU20IM_J25_3J20" complex_deadtime="0" definition="(HA20IM[x2]&amp;J25[x1]&amp;J20[x3]&amp;BGRP0&amp;BGRP1)" trigger_type="10000100" monitor="LF:000|HF:000">
       <AND>
         <TriggerCondition multi="2" name="HA20IM_x2" triggerthreshold="HA20IM"/>
@@ -4523,7 +4530,7 @@
     <Prescale ctpid="470" cut="000001" value="1"/>
     <Prescale ctpid="471" cut="000001" value="1"/>
     <Prescale ctpid="472" cut="000001" value="1"/>
-    <Prescale ctpid="473" cut="-000001" value="-1"/>
+    <Prescale ctpid="473" cut="000001" value="1"/>
     <Prescale ctpid="474" cut="-000001" value="-1"/>
     <Prescale ctpid="475" cut="-000001" value="-1"/>
     <Prescale ctpid="476" cut="-000001" value="-1"/>
diff --git a/Trigger/TriggerCommon/TriggerMenuXML/data/LVL1config_Physics_pp_v7.xml b/Trigger/TriggerCommon/TriggerMenuXML/data/LVL1config_Physics_pp_v7.xml
index 722bf6879ae560f519180dd7fbd254e08fb8c953..4eae530d0ba48ad5cbe04f57b90f9113765bbc02 100644
--- a/Trigger/TriggerCommon/TriggerMenuXML/data/LVL1config_Physics_pp_v7.xml
+++ b/Trigger/TriggerCommon/TriggerMenuXML/data/LVL1config_Physics_pp_v7.xml
@@ -3,7 +3,7 @@
 <LVL1Config name="Physics_pp_v7" ctpVersion="4" l1Version="1">
   <!--File is generated by TriggerMenu-->
   <!--No. L1 thresholds defined: 287-->
-  <!--No. L1 items defined: 504-->
+  <!--No. L1 items defined: 505-->
   <TriggerMenu name="Physics_pp_v7" phase="lumi">
     <TriggerItem ctpid="0" partition="1" name="L1_EM3" complex_deadtime="0" definition="(EM3[x1]&amp;BGRP0&amp;BGRP1)" trigger_type="10000100" monitor="LF:000|HF:000">
       <AND>
@@ -3831,6 +3831,13 @@
         <InternalTrigger name="BGRP11"/>
       </AND>
     </TriggerItem>
+    <TriggerItem ctpid="473" partition="1" name="L1_RD0_BGRP10" complex_deadtime="0" definition="(RNDM0&amp;BGRP0&amp;BGRP10)" trigger_type="10000001" monitor="LF:000|HF:000">
+      <AND>
+        <InternalTrigger name="RNDM0"/>
+        <InternalTrigger name="BGRP0"/>
+        <InternalTrigger name="BGRP10"/>
+      </AND>
+    </TriggerItem>
     <TriggerItem ctpid="479" partition="1" name="L1_2TAU20IM_J25_3J20" complex_deadtime="0" definition="(HA20IM[x2]&amp;J25[x1]&amp;J20[x3]&amp;BGRP0&amp;BGRP1)" trigger_type="10000100" monitor="LF:000|HF:000">
       <AND>
         <TriggerCondition multi="2" name="HA20IM_x2" triggerthreshold="HA20IM"/>
@@ -4537,7 +4544,7 @@
     <Prescale ctpid="470" cut="000001" value="1"/>
     <Prescale ctpid="471" cut="000001" value="1"/>
     <Prescale ctpid="472" cut="000001" value="1"/>
-    <Prescale ctpid="473" cut="-000001" value="-1"/>
+    <Prescale ctpid="473" cut="000001" value="1"/>
     <Prescale ctpid="474" cut="-000001" value="-1"/>
     <Prescale ctpid="475" cut="-000001" value="-1"/>
     <Prescale ctpid="476" cut="-000001" value="-1"/>