diff --git a/compact/definitions.xml b/compact/definitions.xml
index b32f212ce057933a31fcbfd1b812eed22c71469c..1bee6a7d3390ee292adea082eba75ce97973e3d1 100644
--- a/compact/definitions.xml
+++ b/compact/definitions.xml
@@ -666,7 +666,7 @@
     <constant name="ffi_ZDC_ECAL_outer_radius" value="60.0 * cm"/>
     <constant name="ffi_ZDC_ECAL_width"        value="5.0 * cm"/>
     <constant name="ffi_ZDC_ECAL_gap"          value="5.0 * mm"/>
-    <constant name="ffi_ZDC_ECAL_ntower"       value="12"/>
+    <constant name="ffi_ZDC_ECAL_ntower"       value="11"/>
     <comment> Original number of towers parameter  </comment> 
     <!--
     <constant name="ffi_ZDC_ECAL_ntower"       value="20"/>
diff --git a/reference_detector.xml b/reference_detector.xml
index 16f467a5bc170c38977dbb88fa3e83d0741de362..b84e4bf7f9d194f9db07ae3a4abf23d1634e6274 100644
--- a/reference_detector.xml
+++ b/reference_detector.xml
@@ -108,7 +108,6 @@
   </display>
 
   <comment> Include the IP components first </comment>
-  <!--
   <include ref="ip6/forward_ion_beamline.xml"/>
   <include ref="ip6/beampipe.xml"/>
 
@@ -118,18 +117,18 @@
 
   <include ref="compact/solenoid.xml"/>
   <include ref="compact/ecal.xml"/>
-  <include ref="compact/hcal.xml"/>-->
+  <include ref="compact/hcal.xml"/>
   <!--include ref="compact/ce_GEM.xml"/-->
   <!--include ref="compact/vertex_tracker.xml"/-->
   <!--include ref="compact/gem_tracker_endcap.xml"/-->
-  <!--<include ref="compact/ce_mrich.xml"/>
+  <include ref="compact/ce_mrich.xml"/>
   <include ref="compact/tof_endcap.xml"/>
   <include ref="compact/forward_trd.xml"/>
   <include ref="compact/forward_rich.xml"/>
 
   <include ref="compact/B0_tracker.xml"/>
   <include ref="compact/far_forward_offM_tracker.xml"/>
-  <include ref="compact/far_forward_romanpots.xml"/>-->
+  <include ref="compact/far_forward_romanpots.xml"/>
   <include ref="compact/far_forward_detectors.xml"/>
 
   
diff --git a/src/ffi_ZDC.cpp b/src/ffi_ZDC.cpp
index 0a567188d05d72dc0175fa840b2160c34ef3e937..5d0b39beb00290e0deb59531b22bc41fd15c2bb4 100644
--- a/src/ffi_ZDC.cpp
+++ b/src/ffi_ZDC.cpp
@@ -18,7 +18,7 @@ static Ref_t createDetector(Detector& desc, xml_h e, SensitiveDetector sens)
   int        detID      = x_det.id();
 
   xml_dim_t  dim        = x_det.dimensions();
-  double     Width      = dim.x() + 10.0 * cm;
+  double     Width      = dim.x() + 5.0 * cm;
   double     Thickness  = dim.z();
   
   xml_dim_t  pos        = x_det.position();