diff --git a/p6_gas-network-total-failure-backup-plan_bt1-2/p6_gas-network-total-failure-backup-plan_bt1-2.md b/p6_gas-network-total-failure-backup-plan_bt1-2/p6_gas-network-total-failure-backup-plan_bt1-2.md
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--- a/p6_gas-network-total-failure-backup-plan_bt1-2/p6_gas-network-total-failure-backup-plan_bt1-2.md
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+---
+layout: page
+permalink: /internal/lab/p6_gas-network-total-failure-backup-plan_bt1-2/
+---
+
 # P6: Gas network total failure backup plan BT1/BT2
 
 ## CO2