diff --git a/baystation12.dme b/baystation12.dme
index c4f6822b82..bcc2959d8f 100644
--- a/baystation12.dme
+++ b/baystation12.dme
@@ -990,6 +990,7 @@
 #include "code\WorkInProgress\Tastyfish\Eliza_Data.dm"
 #include "code\WorkInProgress\Tastyfish\paiLiza.dm"
 #include "code\WorkInProgress\Tastyfish\Parser.dm"
+#include "code\WorkInProgress\Tastyfish\wallmount_frame.dm"
 #include "code\WorkInProgress\virus2\analyser.dm"
 #include "code\WorkInProgress\virus2\antibodies.dm"
 #include "code\WorkInProgress\virus2\base.dm"
diff --git a/code/WorkInProgress/Tastyfish/wallmount_frame.dm b/code/WorkInProgress/Tastyfish/wallmount_frame.dm
new file mode 100644
index 0000000000..d747a5c1ea
--- /dev/null
+++ b/code/WorkInProgress/Tastyfish/wallmount_frame.dm
@@ -0,0 +1,215 @@
+// a frame for generic wall-mounted things, such as fire alarm, status display..
+// combination of apc_frame and machine_frame
+/obj/machinery/constructable_frame/wallmount_frame
+	icon = 'stock_parts.dmi'
+	icon_state = "wm_0"
+	var/wall_offset = 24
+	density = 0
+
+/obj/machinery/constructable_frame/wallmount_frame/New()
+	spawn(1)
+		if (!istype(loc, /turf/simulated/floor))
+			usr << "\red [name] cannot be placed on this spot."
+			new/obj/item/stack/sheet/metal(get_turf(src), 2)
+			del(src)
+			return
+
+		var/turf/obj_ofs = get_step(locate(2,2,1), dir)
+		pixel_x = (obj_ofs.x - 2) * wall_offset
+		pixel_y = (obj_ofs.y - 2) * wall_offset
+
+		var/turf/T = get_step(usr, dir)
+		if(!istype(T, /turf/simulated/wall))
+			usr << "\red [name] must be placed on a wall."
+			new/obj/item/stack/sheet/metal(get_turf(src), 2)
+			del(src)
+			return
+
+		dir = get_dir(T, loc)
+
+/obj/machinery/constructable_frame/wallmount_frame/attackby(obj/item/P as obj, mob/user as mob)
+	if(P.crit_fail)
+		user << "\red This part is faulty, you cannot add this to the machine!"
+		return
+	switch(state)
+		if(1)
+			if(istype(P, /obj/item/weapon/cable_coil))
+				if(P:amount >= 5)
+					playsound(src.loc, 'Deconstruct.ogg', 50, 1)
+					user << "\blue You start to add cables to the frame."
+					if(do_after(user, 20))
+						P:amount -= 5
+						if(!P:amount) del(P)
+						user << "\blue You add cables to the frame."
+						state = 2
+						icon_state = "wm_1"
+			if(istype(P, /obj/item/weapon/wrench))
+				playsound(src.loc, 'Ratchet.ogg', 75, 1)
+				user << "\blue You dismantle the frame"
+				new /obj/item/stack/sheet/metal(src.loc, 2)
+				del(src)
+		if(2)
+			if(istype(P, /obj/item/weapon/circuitboard))
+				var/obj/item/weapon/circuitboard/B = P
+				if(B.board_type == "wallmount")
+					playsound(src.loc, 'Deconstruct.ogg', 50, 1)
+					user << "\blue You add the circuit board to the frame."
+					circuit = P
+					user.drop_item()
+					P.loc = src
+					icon_state = "wm_2"
+					state = 3
+					components = list()
+					req_components = circuit.req_components.Copy()
+					for(var/A in circuit.req_components)
+						req_components[A] = circuit.req_components[A]
+					if(circuit.frame_desc) desc = circuit.frame_desc
+				else
+					user << "\red This frame does not accept circuit boards of this type!"
+			if(istype(P, /obj/item/weapon/wirecutters))
+				playsound(src.loc, 'wirecutter.ogg', 50, 1)
+				user << "\blue You remove the cables."
+				state = 1
+				icon_state = "wm_0"
+				var/obj/item/weapon/cable_coil/A = new /obj/item/weapon/cable_coil( src.loc )
+				A.amount = 5
+
+		if(3)
+			if(istype(P, /obj/item/weapon/crowbar))
+				playsound(src.loc, 'Crowbar.ogg', 50, 1)
+				state = 2
+				circuit.loc = src.loc
+				circuit = null
+				if(components.len == 0)
+					user << "\blue You remove the circuit board."
+				else
+					user << "\blue You remove the circuit board and other components."
+					for(var/obj/item/weapon/W in components)
+						W.loc = src.loc
+				desc = initial(desc)
+				req_components = null
+				components = null
+				icon_state = "wm_1"
+
+			if(istype(P, /obj/item/weapon/screwdriver))
+				var/component_check = 1
+				for(var/R in req_components)
+					if(req_components[R] > 0)
+						component_check = 0
+						break
+				if(component_check)
+					playsound(src.loc, 'Screwdriver.ogg', 50, 1)
+					var/obj/machinery/new_machine = new src.circuit.build_path(src.loc)
+					new_machine.dir = dir
+					if(istype(circuit, /obj/item/weapon/circuitboard/status_display))
+						new_machine.pixel_x = pixel_x * 1.33
+						new_machine.pixel_y = pixel_y * 1.33
+					else
+						new_machine.pixel_x = pixel_x
+						new_machine.pixel_y = pixel_y
+					for(var/obj/O in new_machine.component_parts)
+						del(O)
+					new_machine.component_parts = list()
+					for(var/obj/O in src)
+						if(circuit.contain_parts) // things like disposal don't want their parts in them
+							O.loc = new_machine
+						else
+							O.loc = null
+						new_machine.component_parts += O
+					if(circuit.contain_parts)
+						circuit.loc = new_machine
+					else
+						circuit.loc = null
+					new_machine.RefreshParts()
+					del(src)
+
+			if(istype(P, /obj/item/weapon))
+				for(var/I in req_components)
+					if(istype(P, text2path(I)) && (req_components[I] > 0))
+						if(istype(P, /obj/item/weapon/cable_coil))
+							var/obj/item/weapon/cable_coil/CP = P
+							if(CP.amount > 1)
+								var/obj/item/weapon/cable_coil/CC = new /obj/item/weapon/cable_coil(src)
+								CC.amount = 1
+								components += CC
+								req_components[I]--
+								break
+						user.drop_item()
+						P.loc = src
+						components += P
+						req_components[I]--
+						break
+				if(P.loc != src && !istype(P, /obj/item/weapon/cable_coil))
+					user << "\red You cannot add that component to the machine!"
+
+/obj/item/weapon/circuitboard/firealarm
+	name = "Circuit board (Fire Alarm)"
+	build_path = "/obj/machinery/firealarm"
+	board_type = "wallmount"
+	origin_tech = "engineering=2"
+	frame_desc = "Requires 1 Scanning Module, 1 Capacitor, and 2 pieces of cable."
+	contain_parts = 0
+	req_components = list(
+							"/obj/item/weapon/stock_parts/scanning_module" = 1,
+							"/obj/item/weapon/stock_parts/capacitor" = 1,
+							"/obj/item/weapon/cable_coil" = 2)
+
+/obj/item/weapon/circuitboard/alarm
+	name = "Circuit board (Atmospheric Alarm)"
+	build_path = "/obj/machinery/alarm"
+	board_type = "wallmount"
+	origin_tech = "engineering=2;programming=2"
+	frame_desc = "Requires 1 Scanning Module, 1 Console Screen, and 2 pieces of cable."
+	contain_parts = 0
+	req_components = list(
+							"/obj/item/weapon/stock_parts/scanning_module" = 1,
+							"/obj/item/weapon/stock_parts/console_screen" = 1,
+							"/obj/item/weapon/cable_coil" = 2)
+
+/* oh right, not a machine :(
+/obj/item/weapon/circuitboard/intercom
+	name = "Circuit board (Intercom)"
+	build_path = "/obj/item/device/radio/intercom"
+	board_type = "wallmount"
+	origin_tech = "engineering=2"
+	frame_desc = "Requires 1 Console Screen, and 2 piece of cable."
+	contain_parts = 0
+	req_components = list(
+							"/obj/item/weapon/stock_parts/console_screen" = 1,
+							"/obj/item/weapon/cable_coil" = 2)
+*/
+
+/* too complex to set up the dept for an RC in a way intuitive for the user
+/obj/item/weapon/circuitboard/requests_console
+	name = "Circuit board (Requests Console)"
+	build_path = "/obj/machinery/requests_console"
+	board_type = "wallmount"
+	origin_tech = "engineering=2;programming=2"
+	frame_desc = "Requires 1 radio, 1 Console Screen, and 1 piece of cable."
+	contain_parts = 0
+	req_components = list(
+							"/obj/item/device/radio" = 1,
+							"/obj/item/weapon/stock_parts/console_screen" = 1
+							"/obj/item/weapon/cable_coil" = 1)
+*/
+
+/obj/item/weapon/circuitboard/status_display
+	name = "Circuit board (Status Display)"
+	build_path = "/obj/machinery/status_display"
+	board_type = "wallmount"
+	origin_tech = "engineering=2,programming=2"
+	frame_desc = "Requires 2 Console Screens, and 1 piece of cable."
+	contain_parts = 0
+	req_components = list(
+							"/obj/item/weapon/stock_parts/console_screen" = 2,
+							"/obj/item/weapon/cable_coil" = 1)
+
+/obj/item/weapon/circuitboard/light_switch
+	name = "Circuit board (Light Switch)"
+	build_path = "/obj/machinery/light_switch"
+	board_type = "wallmount"
+	origin_tech = "engineering=2"
+	frame_desc = "Requires 2 pieces of cable."
+	contain_parts = 0
+	req_components = list(
+							"/obj/item/weapon/cable_coil" = 2)
diff --git a/code/datums/shuttle_controller.dm b/code/datums/shuttle_controller.dm
index 2c3a703ce2..8ea4c2d0cc 100644
--- a/code/datums/shuttle_controller.dm
+++ b/code/datums/shuttle_controller.dm
@@ -18,12 +18,15 @@ datum/shuttle_controller
 		timelimit //important when the shuttle gets called for more than shuttlearrivetime
 		//timeleft = 360 //600
 		fake_recall = 0 //Used in rounds to prevent "ON NOES, IT MUST [INSERT ROUND] BECAUSE SHUTTLE CAN'T BE CALLED"
-
+		deny_shuttle = 0 //for admins not allowing it to be called.
 
 	// call the shuttle
 	// if not called before, set the endtime to T+600 seconds
 	// otherwise if outgoing, switch to incoming
 	proc/incall(coeff = 1)
+		if(deny_shuttle)
+			return
+
 		if(endtime)
 			if(direction == -1)
 				setdirection(1)
diff --git a/code/game/machinery/computer/communications.dm b/code/game/machinery/computer/communications.dm
index 2f01c34b02..1e26386316 100644
--- a/code/game/machinery/computer/communications.dm
+++ b/code/game/machinery/computer/communications.dm
@@ -379,6 +379,10 @@
 	if ((!( ticker ) || emergency_shuttle.location))
 		return
 
+	if(emergency_shuttle.deny_shuttle)
+		user << "Centcom does not currently have a shuttle available in your sector. Please try again later."
+		return
+
 	if(sent_strike_team == 1)
 		user << "Centcom will not allow the shuttle to be called. Consider all contracts terminated."
 		return
diff --git a/code/game/machinery/constructable_frame.dm b/code/game/machinery/constructable_frame.dm
index ab538ee70c..75a2ed70f8 100644
--- a/code/game/machinery/constructable_frame.dm
+++ b/code/game/machinery/constructable_frame.dm
@@ -252,4 +252,4 @@ obj/item/weapon/circuitboard/rdserver
 							"/obj/item/weapon/stock_parts/matter_bin" = 1,
 							"/obj/item/weapon/cable_coil" = 1)
 	m_amt = 50
-	g_amt = 50
\ No newline at end of file
+	g_amt = 50
diff --git a/code/game/objects/stacks/metal.dm b/code/game/objects/stacks/metal.dm
index 9e2c0ff6c7..38c39b57bd 100644
--- a/code/game/objects/stacks/metal.dm
+++ b/code/game/objects/stacks/metal.dm
@@ -73,14 +73,15 @@ var/global/list/datum/stack_recipe/metal_recipes = list ( \
 	new/datum/stack_recipe("wall girders", /obj/structure/girder, 2, time = 50, one_per_turf = 1, on_floor = 1), \
 	new/datum/stack_recipe("airlock assembly", /obj/structure/door_assembly, 4, time = 50, one_per_turf = 1, on_floor = 1), \
 	new/datum/stack_recipe("machine frame", /obj/machinery/constructable_frame/machine_frame, 5, one_per_turf = 1), \
+	new/datum/stack_recipe("wall machine frame", /obj/machinery/constructable_frame/wallmount_frame, 2, one_per_turf = 1), \
 	new/datum/stack_recipe("turret frame", /obj/machinery/porta_turret_construct, 5, one_per_turf = 1), \
 	null, \
 	new/datum/stack_recipe("apc frame", /obj/item/apc_frame, 2), \
 	new/datum/stack_recipe("tube light frame", /obj/structure/light_frame), \
 	new/datum/stack_recipe("small light frame", /obj/structure/light_frame/small), \
 	new/datum/stack_recipe("table lamp frame", /obj/structure/light_frame/lamp), \
-	new/datum/stack_recipe("grenade casing", /obj/item/weapon/chem_grenade), \
 	null, \
+	new/datum/stack_recipe("grenade casing", /obj/item/weapon/chem_grenade), \
 	new/datum/stack_recipe("iron door", /obj/structure/mineral_door/iron, 20), \
 )
 
diff --git a/code/modules/admin/admin_verbs.dm b/code/modules/admin/admin_verbs.dm
index 67e10b1b7b..62da2f4a0c 100644
--- a/code/modules/admin/admin_verbs.dm
+++ b/code/modules/admin/admin_verbs.dm
@@ -209,6 +209,7 @@
 			verbs += /client/proc/cmd_admin_remove_plasma
 			verbs += /client/proc/admin_call_shuttle
 			verbs += /client/proc/admin_cancel_shuttle
+			verbs += /client/proc/admin_deny_shuttle
 			verbs += /obj/admins/proc/show_traitor_panel
 			verbs += /client/proc/cmd_admin_dress
 			verbs += /client/proc/cmd_admin_christmas
@@ -346,6 +347,7 @@
 	verbs -= /client/proc/cmd_admin_remove_plasma
 	verbs -= /client/proc/admin_call_shuttle
 	verbs -= /client/proc/admin_cancel_shuttle
+	verbs -= /client/proc/admin_deny_shuttle
 	verbs -= /obj/admins/proc/show_traitor_panel
 	verbs -= /client/proc/cmd_admin_dress
 	verbs -= /client/proc/cmd_admin_christmas
diff --git a/code/modules/admin/verbs/custom_event.dm b/code/modules/admin/verbs/custom_event.dm
index bab86aba45..3021cc2828 100644
--- a/code/modules/admin/verbs/custom_event.dm
+++ b/code/modules/admin/verbs/custom_event.dm
@@ -11,9 +11,11 @@
 	if(!input || input == "")
 		custom_event_msg = null
 		log_admin("[usr.key] has cleared the custom event text.")
+		message_admins("[key_name_admin(usr)] has cleared the custom event text.")
 		return
 
 	log_admin("[usr.key] has changed the custom event text.")
+	message_admins("[key_name_admin(usr)] has changed the custom event text.")
 
 	custom_event_msg = input
 
diff --git a/code/modules/admin/verbs/randomverbs.dm b/code/modules/admin/verbs/randomverbs.dm
index c08002d4a1..a9f3ae41c3 100644
--- a/code/modules/admin/verbs/randomverbs.dm
+++ b/code/modules/admin/verbs/randomverbs.dm
@@ -789,6 +789,22 @@ Traitors and the like can also be revived with the previous role mostly intact.
 
 	return
 
+/client/proc/admin_deny_shuttle()
+	set category = "Admin"
+	set name = "Toggle Deny Shuttle"
+
+	if (!ticker)
+		return
+
+	if (!holder)
+		src << "Only administrators may use this command."
+		return
+
+	emergency_shuttle.deny_shuttle = !emergency_shuttle.deny_shuttle
+
+	log_admin("[key_name(src)] has [emergency_shuttle.deny_shuttle ? "denied" : "allowed"] the shuttle to be called.")
+	message_admins("[key_name_admin(usr)] has [emergency_shuttle.deny_shuttle ? "denied" : "allowed"] the shuttle to be called.")
+
 /client/proc/cmd_admin_attack_log(mob/M as mob in world)
 	set category = "Special Verbs"
 	set name = "Attack Log"
diff --git a/code/modules/research/designs.dm b/code/modules/research/designs.dm
index 39d5fd0748..ac7bb491ff 100644
--- a/code/modules/research/designs.dm
+++ b/code/modules/research/designs.dm
@@ -339,6 +339,42 @@ datum
 			materials = list("$glass" = 2000, "acid" = 20)
 			build_path = "/obj/item/weapon/circuitboard/mining"
 
+		firealarm
+			name = "Circuit Design (Fire Alarm)"
+			desc = "Allows for the construction of circuit boards used to build fire alarms."
+			id = "firealarm"
+			req_tech = list("engineering" = 2)
+			build_type = IMPRINTER
+			materials = list("$glass" = 2000, "acid" = 20)
+			build_path = "/obj/item/weapon/circuitboard/firealarm"
+
+		alarm
+			name = "Circuit Design (Atmospheric Alarm)"
+			desc = "Allows for the construction of circuit boards used to build atmos alarms."
+			id = "alarm"
+			req_tech = list("engineering" = 2, "programming" = 2)
+			build_type = IMPRINTER
+			materials = list("$glass" = 2000, "acid" = 20)
+			build_path = "/obj/item/weapon/circuitboard/alarm"
+
+		status_display
+			name = "Circuit Design (Status Display)"
+			desc = "Allows for the construction of circuit boards used to build status displays."
+			id = "status_display"
+			req_tech = list("engineering" = 2, "programming" = 2)
+			build_type = IMPRINTER
+			materials = list("$glass" = 2000, "acid" = 20)
+			build_path = "/obj/item/weapon/circuitboard/status_display"
+
+		light_switch
+			name = "Circuit Design (Light Switch)"
+			desc = "Allows for the construction of circuit boards used to build light switches."
+			id = "status_display"
+			req_tech = list("engineering" = 2)
+			build_type = IMPRINTER
+			materials = list("$glass" = 2000, "acid" = 20)
+			build_path = "/obj/item/weapon/circuitboard/light_switch"
+
 ///////////////////////////////////
 //////////AI Module Disks//////////
 ///////////////////////////////////
@@ -1104,7 +1140,7 @@ datum
 			req_tech = list("combat" = 4, "materials" = 5, "engineering" = 3, "biotech" = 4, "syndicate" = 3)
 			build_type = PROTOLATHE
 			materials = list("$metal" = 5000, "$glass" = 1000, "$uranium" = 1000, "$silver" = 1000)
-			build_path = "/obj/item/weapon/gun/energy/largecrossbow"
+			build_path = "/obj/item/weapon/gun/energy/crossbow/largecrossbow"
 
 		temp_gun
 			name = "Temperature Gun"
diff --git a/icons/obj/stock_parts.dmi b/icons/obj/stock_parts.dmi
index 6856b3da23..f6e44e36c3 100644
Binary files a/icons/obj/stock_parts.dmi and b/icons/obj/stock_parts.dmi differ