diff --git a/_maps/map_files/RandomRuins/SpaceRuins/onehalf.dmm b/_maps/map_files/RandomRuins/SpaceRuins/onehalf.dmm
index 7864a7353a7..c95082eac76 100644
--- a/_maps/map_files/RandomRuins/SpaceRuins/onehalf.dmm
+++ b/_maps/map_files/RandomRuins/SpaceRuins/onehalf.dmm
@@ -16,10 +16,10 @@
 "ap" = (/turf/simulated/floor/plasteel,/area/ruin/onehalf/dorms_med)
 "aq" = (/obj/machinery/door/airlock/external,/obj/structure/cable{d1 = 1; d2 = 2; icon_state = "1-2"},/turf/simulated/floor/plating,/area/ruin/onehalf/drone_bay)
 "ar" = (/turf/simulated/wall,/area/ruin/onehalf/drone_bay)
-"as" = (/obj/machinery/door/poddoor{id_tag = "bayext1"; name = "mining drone bay blast door"},/turf/simulated/floor/plating/airless{dir = 1; icon_state = "warnplate"},/area/ruin/onehalf/drone_bay)
-"at" = (/obj/machinery/door/poddoor{id_tag = "bayext2"; name = "mining drone bay blast door"},/turf/simulated/floor/plating/airless{dir = 1; icon_state = "warnplate"},/area/ruin/onehalf/drone_bay)
-"au" = (/obj/machinery/door/poddoor/preopen{id_tag = "bayext3"; name = "mining drone bay blast door"},/turf/simulated/floor/plating/airless{dir = 1; icon_state = "warnplate"},/area/ruin/onehalf/drone_bay)
-"av" = (/obj/machinery/door/poddoor{id_tag = "bayext4"; name = "mining drone bay blast door"},/turf/simulated/floor/plating/airless{dir = 1; icon_state = "warnplate"},/area/ruin/onehalf/drone_bay)
+"as" = (/obj/machinery/door/poddoor{id_tag = "bayext1"; name = "mining drone bay blast door"},/obj/effect/decal/warning_stripes/north,/turf/simulated/floor/plating/airless,/area/ruin/onehalf/drone_bay)
+"at" = (/obj/machinery/door/poddoor{id_tag = "bayext2"; name = "mining drone bay blast door"},/obj/effect/decal/warning_stripes/north,/turf/simulated/floor/plating/airless,/area/ruin/onehalf/drone_bay)
+"au" = (/obj/machinery/door/poddoor/preopen{id_tag = "bayext3"; name = "mining drone bay blast door"},/obj/effect/decal/warning_stripes/north,/turf/simulated/floor/plating/airless,/area/ruin/onehalf/drone_bay)
+"av" = (/obj/machinery/door/poddoor{id_tag = "bayext4"; name = "mining drone bay blast door"},/obj/effect/decal/warning_stripes/north,/turf/simulated/floor/plating/airless,/area/ruin/onehalf/drone_bay)
 "aw" = (/obj/structure/lattice,/turf/space,/area/space)
 "ax" = (/obj/structure/lattice,/turf/space,/area/ruin/onehalf/hallway)
 "ay" = (/obj/structure/table_frame,/obj/effect/landmark/damageturf,/turf/simulated/floor/plasteel/airless,/area/ruin/onehalf/hallway)
@@ -30,7 +30,7 @@
 "aD" = (/obj/structure/cable{d1 = 1; d2 = 2; icon_state = "1-2"},/obj/machinery/light/small{dir = 8},/turf/simulated/floor/plating,/area/ruin/onehalf/drone_bay)
 "aE" = (/obj/structure/disposalpipe/trunk,/turf/simulated/floor/plating/airless,/area/ruin/onehalf/drone_bay)
 "aF" = (/obj/structure/disposalpipe/trunk,/obj/item/ore/diamond,/turf/simulated/floor/plating/airless,/area/ruin/onehalf/drone_bay)
-"aG" = (/turf/simulated/floor/plating/airless{dir = 1; icon_state = "warnplate"},/area/ruin/onehalf/drone_bay)
+"aG" = (/obj/effect/decal/warning_stripes/north,/turf/simulated/floor/plating/airless,/area/ruin/onehalf/drone_bay)
 "aH" = (/obj/item/stack/rods,/turf/space,/area/ruin/onehalf/hallway)
 "aI" = (/obj/effect/landmark/damageturf,/turf/simulated/floor/plasteel/airless,/area/ruin/onehalf/hallway)
 "aJ" = (/obj/machinery/iv_drip,/turf/simulated/floor/plasteel{tag = "icon-white"; icon_state = "white"},/area/ruin/onehalf/dorms_med)
@@ -47,11 +47,11 @@
 "aU" = (/obj/item/stack/sheet/metal,/obj/effect/landmark/damageturf,/turf/simulated/floor/plating,/area/ruin/onehalf/hallway)
 "aV" = (/obj/machinery/door/airlock/medical/glass{name = "airlock"},/obj/structure/cable{d1 = 1; d2 = 2; icon_state = "1-2"},/turf/simulated/floor/plasteel{tag = "icon-white"; icon_state = "white"},/area/ruin/onehalf/dorms_med)
 "aW" = (/obj/machinery/door/airlock,/turf/simulated/floor/plasteel,/area/ruin/onehalf/dorms_med)
-"aX" = (/obj/structure/cable{d1 = 1; d2 = 2; icon_state = "1-2"},/obj/structure/cable{d1 = 1; d2 = 4; icon_state = "1-4"},/turf/simulated/floor/plasteel{dir = 9; icon_state = "warning"},/area/ruin/onehalf/drone_bay)
+"aX" = (/obj/structure/cable{d1 = 1; d2 = 2; icon_state = "1-2"},/obj/structure/cable{d1 = 1; d2 = 4; icon_state = "1-4"},/obj/effect/decal/warning_stripes/northwest,/turf/simulated/floor/plasteel,/area/ruin/onehalf/drone_bay)
 "aY" = (/obj/structure/cable{d2 = 8; icon_state = "0-8"},/obj/structure/closet/crate/medical,/obj/item/clothing/accessory/stethoscope,/obj/item/healthanalyzer,/obj/item/reagent_containers/blood/OMinus,/obj/item/reagent_containers/blood/OMinus,/obj/machinery/power/apc/noalarm{dir = 4; keep_preset_name = 1; name = "Crew Quarters APC"; pixel_x = 27},/turf/simulated/floor/plasteel{tag = "icon-white"; icon_state = "white"},/area/ruin/onehalf/dorms_med)
-"aZ" = (/obj/structure/disposalpipe/segment,/turf/simulated/floor/plasteel{dir = 1; icon_state = "warning"},/area/ruin/onehalf/drone_bay)
-"ba" = (/turf/simulated/floor/plasteel{dir = 1; icon_state = "warning"},/area/ruin/onehalf/drone_bay)
-"bb" = (/obj/structure/disposalpipe/segment,/turf/simulated/floor/plasteel{dir = 5; icon_state = "warning"},/area/ruin/onehalf/drone_bay)
+"aZ" = (/obj/structure/cable{d2 = 8; icon_state = "0-8"},/obj/machinery/power/apc/noalarm{dir = 1; keep_preset_name = 1; name = "Mining Drone Bay APC"; pixel_y = 26},/obj/effect/decal/warning_stripes/north,/turf/simulated/floor/plasteel,/area/ruin/onehalf/drone_bay)
+"ba" = (/obj/structure/disposalpipe/segment,/obj/effect/decal/warning_stripes/north,/turf/simulated/floor/plasteel,/area/ruin/onehalf/drone_bay)
+"bb" = (/obj/effect/decal/warning_stripes/north,/turf/simulated/floor/plasteel,/area/ruin/onehalf/drone_bay)
 "bc" = (/obj/structure/grille,/obj/structure/window/full/reinforced,/obj/structure/disposalpipe/segment,/turf/simulated/floor/plating,/area/ruin/onehalf/drone_bay)
 "bd" = (/obj/structure/disposalpipe/segment{dir = 4},/obj/structure/cable{d1 = 4; d2 = 8; icon_state = "4-8"; tag = ""},/obj/structure/cable{d1 = 1; d2 = 4; icon_state = "1-4"},/obj/effect/landmark/damageturf,/turf/simulated/floor/plasteel/airless,/area/ruin/onehalf/hallway)
 "be" = (/obj/structure/disposalpipe/broken{tag = "icon-pipe-b (EAST)"; icon_state = "pipe-b"; dir = 4},/obj/item/stack/cable_coil/cut{amount = 2; dir = 2; icon_state = "coil_red2"},/turf/unsimulated/floor/plating/airless,/area/ruin/onehalf/hallway)
@@ -74,7 +74,7 @@
 "bv" = (/obj/structure/disposalpipe/segment{dir = 4},/obj/effect/landmark/damageturf,/turf/simulated/floor/plasteel/airless,/area/ruin/onehalf/hallway)
 "bw" = (/obj/structure/disposalpipe/segment{dir = 4},/turf/simulated/floor/plasteel/airless,/area/ruin/onehalf/hallway)
 "bx" = (/obj/structure/disposalpipe/segment,/obj/structure/disposalpipe/segment{dir = 4},/obj/effect/landmark/damageturf,/turf/simulated/floor/plasteel/airless,/area/ruin/onehalf/hallway)
-"by" = (/obj/structure/cable{d2 = 8; icon_state = "0-8"},/obj/machinery/power/apc/noalarm{dir = 1; keep_preset_name = 1; name = "Mining Drone Bay APC"; pixel_y = 26},/turf/simulated/floor/plasteel{dir = 1; icon_state = "warning"},/area/ruin/onehalf/drone_bay)
+"by" = (/obj/structure/disposalpipe/segment,/obj/effect/decal/warning_stripes/northeast,/turf/simulated/floor/plasteel,/area/ruin/onehalf/drone_bay)
 "bz" = (/obj/structure/closet/emcloset,/obj/effect/landmark/damageturf,/turf/simulated/floor/plasteel/airless,/area/ruin/onehalf/hallway)
 "bA" = (/obj/structure/disposalpipe/segment,/obj/structure/disposalpipe/segment{dir = 4},/obj/structure/disposalpipe/segment{dir = 4},/turf/simulated/floor/plasteel/airless,/area/ruin/onehalf/hallway)
 "bB" = (/obj/machinery/door/airlock/public/glass{name = "glass airlock"},/obj/structure/disposalpipe/segment{dir = 4},/turf/simulated/floor/plasteel,/area/ruin/onehalf/drone_bay)
@@ -174,7 +174,7 @@ aaaaaaaaaeacafagagagagagagahagagaiaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
 aaaaaaajakakakagalamanagaoapaoagaqarasaratarauaravaraaaaaaaaaaaa
 aaaaawaxaxayazagaAamaBagaCapaoagaDaraEaraFaraEaraEarawaraGaraaaa
 aaaaaaaHajaxaIagaJaKaYagaoapaoagaqaraMaNaOaraPaQaRaraaaraSaraaaa
-aaaaawajaxaTaIagagaVagagagaWagagaXbyaZbaaZbaaZbabbarararbcararaa
+aaaaawajaxaTaIagagaVagagagaWagagaXaZbabbbabbbabbbyarararbcararaa
 aaaaawaUbebdbfbhbhbgbfbfbjbhbkblbmbnbobnbobnbobnbobnbpbqbrbsbtaa
 aaaaaabibubvbwbwbvbxbwbwaLbvbAbBbCbnbDbEbDbnbDbEbFbGarbHbGbIbtaa
 aaaaaabJajakbzbKbLbNbObPbXaIbSbTbTbTbTbTbTbTbTbTbTbTararbtararaa