diff --git a/erpnext/manufacturing/doctype/manufacturing_settings/manufacturing_settings.json b/erpnext/manufacturing/doctype/manufacturing_settings/manufacturing_settings.json
index 4149046ccef..ea9569f9b48 100644
--- a/erpnext/manufacturing/doctype/manufacturing_settings/manufacturing_settings.json
+++ b/erpnext/manufacturing/doctype/manufacturing_settings/manufacturing_settings.json
@@ -55,6 +55,13 @@
    "label": "Time Between Operations (in mins)", 
    "permlevel": 0, 
    "precision": ""
+  }, 
+  {
+   "fieldname": "over_production_allowance_percentage", 
+   "fieldtype": "Percent", 
+   "label": "Over Production Allowance Percentage", 
+   "permlevel": 0, 
+   "precision": ""
   }
  ], 
  "hide_heading": 0, 
@@ -65,7 +72,7 @@
  "is_submittable": 0, 
  "issingle": 1, 
  "istable": 0, 
- "modified": "2015-04-21 07:57:40.260862", 
+ "modified": "2015-06-15 05:52:22.986958", 
  "modified_by": "Administrator", 
  "module": "Manufacturing", 
  "name": "Manufacturing Settings", 
diff --git a/erpnext/manufacturing/doctype/production_order/production_order.py b/erpnext/manufacturing/doctype/production_order/production_order.py
index ca5f6d972cc..0274b7ef0b1 100644
--- a/erpnext/manufacturing/doctype/production_order/production_order.py
+++ b/erpnext/manufacturing/doctype/production_order/production_order.py
@@ -90,8 +90,9 @@ class ProductionOrder(Document):
 			(self.sales_order, self.production_item))[0][0]
 		# total qty in SO
 		so_qty = flt(so_item_qty) + flt(dnpi_qty)
-
-		if total_qty > so_qty:
+		
+		allowance_percentage = flt(frappe.db.get_single_value("Manufacturing Settings", "over_production_allowance_percentage"))
+		if total_qty > so_qty + (allowance_percentage/100 * so_qty):
 			frappe.throw(_("Cannot produce more Item {0} than Sales Order quantity {1}").format(self.production_item,
 				so_qty), OverProductionError)
 
diff --git a/erpnext/projects/doctype/activity_cost/activity_cost.json b/erpnext/projects/doctype/activity_cost/activity_cost.json
index bdc147e5fb6..fafea58797a 100644
--- a/erpnext/projects/doctype/activity_cost/activity_cost.json
+++ b/erpnext/projects/doctype/activity_cost/activity_cost.json
@@ -9,41 +9,6 @@
  "doctype": "DocType", 
  "document_type": "Master", 
  "fields": [
-  {
-   "allow_on_submit": 0, 
-   "fieldname": "employee", 
-   "fieldtype": "Link", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "in_filter": 0, 
-   "in_list_view": 0, 
-   "label": "Employee", 
-   "no_copy": 0, 
-   "options": "Employee", 
-   "permlevel": 0, 
-   "precision": "", 
-   "print_hide": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0
-  }, 
-  {
-   "fieldname": "employee_name", 
-   "fieldtype": "Data", 
-   "label": "Employee Name", 
-   "options": "", 
-   "permlevel": 0, 
-   "precision": "", 
-   "read_only": 1
-  }, 
-  {
-   "fieldname": "column_break_2", 
-   "fieldtype": "Column Break", 
-   "permlevel": 0, 
-   "precision": ""
-  }, 
   {
    "allow_on_submit": 0, 
    "fieldname": "activity_type", 
@@ -64,6 +29,41 @@
    "search_index": 0, 
    "set_only_once": 0
   }, 
+  {
+   "fieldname": "column_break_2", 
+   "fieldtype": "Column Break", 
+   "permlevel": 0, 
+   "precision": ""
+  }, 
+  {
+   "allow_on_submit": 0, 
+   "fieldname": "employee", 
+   "fieldtype": "Link", 
+   "hidden": 0, 
+   "ignore_user_permissions": 0, 
+   "in_filter": 0, 
+   "in_list_view": 0, 
+   "label": "Employee", 
+   "no_copy": 0, 
+   "options": "Employee", 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 0, 
+   "read_only": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 0, 
+   "set_only_once": 0
+  }, 
+  {
+   "fieldname": "employee_name", 
+   "fieldtype": "Data", 
+   "label": "Employee Name", 
+   "options": "", 
+   "permlevel": 0, 
+   "precision": "", 
+   "read_only": 1
+  }, 
   {
    "fieldname": "section_break_4", 
    "fieldtype": "Section Break", 
@@ -136,7 +136,7 @@
  "is_submittable": 0, 
  "issingle": 0, 
  "istable": 0, 
- "modified": "2015-06-11 06:50:47.999788", 
+ "modified": "2015-06-16 03:12:25.644839", 
  "modified_by": "Administrator", 
  "module": "Projects", 
  "name": "Activity Cost", 
diff --git a/erpnext/projects/doctype/activity_cost/activity_cost.py b/erpnext/projects/doctype/activity_cost/activity_cost.py
index 8cd04f564a6..862a70717ab 100644
--- a/erpnext/projects/doctype/activity_cost/activity_cost.py
+++ b/erpnext/projects/doctype/activity_cost/activity_cost.py
@@ -15,12 +15,21 @@ class ActivityCost(Document):
 		self.check_unique()
 		
 	def set_title(self):
-		if not self.employee_name:
-			self.employee_name = frappe.db.get_value("Employee", self.employee, "employee_name")
-		self.title = _("{0} for {1}").format(self.employee_name, self.activity_type)
-		
+		if self.employee:
+			if not self.employee_name:
+				self.employee_name = frappe.db.get_value("Employee", self.employee, "employee_name")
+			self.title = _("{0} for {1}").format(self.employee_name, self.activity_type)
+		else:
+			self.title = self.activity_type
+
 	def check_unique(self):
-		if frappe.db.sql("""select name from `tabActivity Cost` where employee_name= %s and activity_type= %s and name != %s""",
-			(self.employee_name, self.activity_type, self.name)):
-				frappe.throw(_("Activity Cost exists for Employee {0} against Activity Type - {1}")
-					.format(self.employee, self.activity_type), DuplicationError)
+		if self.employee:
+			if frappe.db.sql("""select name from `tabActivity Cost` where employee_name= %s and activity_type= %s and name != %s""",
+				(self.employee_name, self.activity_type, self.name)):
+					frappe.throw(_("Activity Cost exists for Employee {0} against Activity Type - {1}")
+						.format(self.employee, self.activity_type), DuplicationError)
+		else:
+			if frappe.db.sql("""select name from `tabActivity Cost` where ifnull(employee, '')='' and activity_type= %s and name != %s""",
+				(self.activity_type, self.name)):
+					frappe.throw(_("Default Activity Cost exists for Activity Type - {0}")
+						.format(self.activity_type), DuplicationError)
diff --git a/erpnext/projects/doctype/time_log/time_log.py b/erpnext/projects/doctype/time_log/time_log.py
index aa5647e8e82..841ef28e165 100644
--- a/erpnext/projects/doctype/time_log/time_log.py
+++ b/erpnext/projects/doctype/time_log/time_log.py
@@ -272,4 +272,7 @@ def get_events(start, end, filters=None):
 def get_activity_cost(employee=None, activity_type=None):
 	rate = frappe.db.sql("""select costing_rate, billing_rate from `tabActivity Cost` where employee= %s
 		and activity_type= %s""", (employee, activity_type), as_dict=1)
+	if not rate:
+		rate = frappe.db.sql("""select costing_rate, billing_rate from `tabActivity Cost` where ifnull(employee, '')=''
+			and activity_type= %s""", (activity_type), as_dict=1)
 	return rate[0] if rate else {}