diff --git a/passive/platform_v24a_mcbm.geo.info b/passive/platform_v24a_mcbm.geo.info
new file mode 100644
index 0000000000000000000000000000000000000000..5b254e09a407a9e49154c9fa8d2aa2695a504b35
--- /dev/null
+++ b/passive/platform_v24a_mcbm.geo.info
@@ -0,0 +1,14 @@
+Platform geometry created with create_platform_v24a.C
+
+sizeX   : 1e+02 cm 
+sizeY   : 98 cm 
+sizeZ   : 2.2e+02 cm 
+
+posX    : 0 cm 
+posY    : -1.5e+02 cm 
+posZ    : 1.1e+02 cm 
+
+offsetX : -25 cm 
+offsetY : 0 cm 
+offsetZ : 14 cm 
+
diff --git a/passive/platform_v24a_mcbm.geo.root b/passive/platform_v24a_mcbm.geo.root
new file mode 100644
index 0000000000000000000000000000000000000000..e5aba3d529d4871a6691977589e9a62e684658d1
Binary files /dev/null and b/passive/platform_v24a_mcbm.geo.root differ