diff --git a/ref/vk/data/valve/luchiki/maps/c0a0d.patch b/ref/vk/data/valve/luchiki/maps/c0a0d.patch
index 43ebd265..eebb95c5 100644
--- a/ref/vk/data/valve/luchiki/maps/c0a0d.patch
+++ b/ref/vk/data/valve/luchiki/maps/c0a0d.patch
@@ -30,4 +30,36 @@
 {
 "_xvk_surface_id" "1295 1294 1436 1437" // SUBWAY_LIGHTS    190 195 255  1500
 "_light" "190 195 255 5000"
+}
+
+// smoothing
+// broken massive "barrel"
+{ 
+"_xvk_smoothing_group" "1061 1017 1057 1062 1018 1058 951 913 949"
+}
+{
+"_xvk_smoothing_group" "1837 1832 1838 1866 1860 1868 1865 1859 1867"
+}
+// pipe 1
+{
+"_xvk_smoothing_group" "920 933 924 931 923 917"
+}
+{
+"_xvk_smoothing_group" "911 919 918 930 934 929 926 925 928 922 921" // FIXME: bad geometry
+}
+{
+"_xvk_smoothing_group" "854 858 860 856 864 862"
+}
+{
+"_xvk_smoothing_group" "853 857 859 855 863 861"
+}
+// pipe 2
+{
+"_xvk_smoothing_group" "916 937 939 0 942 935"
+}
+{
+"_xvk_smoothing_group" "941 936 912 938 940"
+}
+{
+"_xvk_smoothing_group" "1826 1830 1831 1827 1829 1828"
 }
\ No newline at end of file
diff --git a/ref/vk/data/valve/maps/c0a0d.rad b/ref/vk/data/valve/maps/c0a0d.rad
index 9b1622c3..ad8f5392 100644
--- a/ref/vk/data/valve/maps/c0a0d.rad
+++ b/ref/vk/data/valve/maps/c0a0d.rad
@@ -1,5 +1,7 @@
-!TOXICGRN        20 255 0    2000
-!TOXICGRN2       20 255 0    350
+//!TOXICGRN        20 255 0    350
+//!TOXICGRN2       20 255 0    350
+!TOXICGRN        20 255 0    2500 // FIXME
+!TOXICGRN2       20 255 0    550
 //+0~TNNL_LGT4     170 90  40   10000
 //+0~TNNL_LGT4     250 150 100   2000
 +0~TNNL_LGT4     170 90  40   4000
diff --git a/ref/vk/data/valve/maps/c1a4g.rad b/ref/vk/data/valve/maps/c1a4g.rad
new file mode 100644
index 00000000..d449ec48
--- /dev/null
+++ b/ref/vk/data/valve/maps/c1a4g.rad
@@ -0,0 +1 @@
+!TOXICGRN2       20 255 0    350 // FIXME
\ No newline at end of file