diff --git a/erpnext/manufacturing/doctype/work_order/work_order.py b/erpnext/manufacturing/doctype/work_order/work_order.py
index a86edfa45f..7315249512 100644
--- a/erpnext/manufacturing/doctype/work_order/work_order.py
+++ b/erpnext/manufacturing/doctype/work_order/work_order.py
@@ -8,6 +8,8 @@ from dateutil.relativedelta import relativedelta
 from frappe import _
 from frappe.model.document import Document
 from frappe.model.mapper import get_mapped_doc
+from frappe.query_builder import Case
+from frappe.query_builder.functions import Sum
 from frappe.utils import (
 	cint,
 	date_diff,
@@ -1175,3 +1177,27 @@ def create_pick_list(source_name, target_doc=None, for_qty=None):
 	doc.set_item_locations()
 
 	return doc
+
+def get_reserved_qty_for_production(item_code: str, warehouse: str) -> float:
+	"""Get total reserved quantity for any item in specified warehouse"""
+	wo = frappe.qb.DocType("Work Order")
+	wo_item = frappe.qb.DocType("Work Order Item")
+
+	return (
+	frappe.qb
+		.from_(wo)
+		.from_(wo_item)
+		.select(Sum(Case()
+				.when(wo.skip_transfer == 0, wo_item.required_qty - wo_item.transferred_qty)
+				.else_(wo_item.required_qty - wo_item.consumed_qty))
+			)
+		.where(
+			(wo_item.item_code == item_code)
+			& (wo_item.parent == wo.name)
+			& (wo.docstatus == 1)
+			& (wo_item.source_warehouse == warehouse)
+			& (wo.status.notin(["Stopped", "Completed", "Closed"]))
+			& ((wo_item.required_qty > wo_item.transferred_qty)
+				| (wo_item.required_qty > wo_item.consumed_qty))
+		)
+	).run()[0][0] or 0.0
diff --git a/erpnext/stock/doctype/bin/bin.py b/erpnext/stock/doctype/bin/bin.py
index 6bf94339ed..d2bae65239 100644
--- a/erpnext/stock/doctype/bin/bin.py
+++ b/erpnext/stock/doctype/bin/bin.py
@@ -35,28 +35,9 @@ class Bin(Document):
 	def update_reserved_qty_for_production(self):
 		'''Update qty reserved for production from Production Item tables
 			in open work orders'''
+		from erpnext.manufacturing.doctype.work_order.work_order import get_reserved_qty_for_production
 
-		wo = frappe.qb.DocType("Work Order")
-		wo_item = frappe.qb.DocType("Work Order Item")
-
-		self.reserved_qty_for_production = (
-				frappe.qb
-					.from_(wo)
-					.from_(wo_item)
-					.select(Sum(Case()
-							.when(wo.skip_transfer == 0, wo_item.required_qty - wo_item.transferred_qty)
-							.else_(wo_item.required_qty - wo_item.consumed_qty))
-						)
-					.where(
-						(wo_item.item_code == self.item_code)
-						& (wo_item.parent == wo.name)
-						& (wo.docstatus == 1)
-						& (wo_item.source_warehouse == self.warehouse)
-						& (wo.status.notin(["Stopped", "Completed", "Closed"]))
-						& ((wo_item.required_qty > wo_item.transferred_qty)
-							| (wo_item.required_qty > wo_item.consumed_qty))
-					)
-		).run()[0][0] or 0.0
+		self.reserved_qty_for_production = get_reserved_qty_for_production(self.item_code, self.warehouse)
 
 		self.set_projected_qty()