Bag-added

code/game/objects/items/storage/bags.dm

@@ -397,3 +397,24 @@
 	GET_COMPONENT(STR, /datum/component/storage)
 	STR.max_combined_w_class = INFINITY
 	STR.max_items = 100
+
+/*
+ *  Construction bag (for engineering, holds stock parts and electronics)
+ */
+
+/obj/item/storage/bag/construction
+	name = "construction bag"
+	icon = 'icons/obj/tools.dmi'
+	icon_state = "construction_bag"
+	desc = "A bag for storing small construction components."
+	w_class = WEIGHT_CLASS_TINY
+	resistance_flags = FLAMMABLE
+
+/obj/item/storage/bag/construction/ComponentInitialize()
+	. = ..()
+	var/datum/component/storage/STR = GetComponent(/datum/component/storage)
+	STR.max_combined_w_class = 100
+	STR.max_items = 50
+	STR.max_w_class = WEIGHT_CLASS_SMALL
+	STR.insert_preposition = "in"
+	STR.set_holdable(list(/obj/item/stack/ore/bluespace_crystal, /obj/item/assembly, /obj/item/stock_parts, /obj/item/reagent_containers/glass/beaker, /obj/item/stack/cable_coil, /obj/item/circuitboard, /obj/item/electronics))

code/game/objects/structures/crates_lockers/closets/secure/engineering.dm

@@ -80,6 +80,7 @@
 	new /obj/item/clothing/mask/gas(src)
 	new /obj/item/clothing/glasses/meson/engine(src)
 	new /obj/item/storage/box/emptysandbags(src)
+	new /obj/item/storage/bag/construction(src)
 
 
 /obj/structure/closet/secure_closet/atmospherics