Ports construction bags

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

@@ -457,6 +457,9 @@
 	STR.display_numerical_stacking = FALSE
 	STR.can_hold = typecacheof(list(/obj/item/ammo_box/magazine, /obj/item/ammo_casing))
 
+/*
+Bag for holding materials
+*/
 /obj/item/storage/bag/material
 	name = "material pouch"
 	desc = "A pouch for sheets and RCD ammunition that manages to hang where you would normally put things in your pocket."
@@ -474,3 +477,24 @@
 	STR.max_items = 2
 	STR.display_numerical_stacking = TRUE
 	STR.can_hold = typecacheof(list(/obj/item/rcd_ammo, /obj/item/stack/sheet))
+
+/*
+ *  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.can_hold = typecacheof(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,/obj/item/wallframe/camera))