diff --git a/src/tmechworks/blocks/RedstoneMachine.java b/src/tmechworks/blocks/RedstoneMachine.java
index fc32449..30b366e 100644
--- a/src/tmechworks/blocks/RedstoneMachine.java
+++ b/src/tmechworks/blocks/RedstoneMachine.java
@@ -19,7 +19,7 @@
 import net.minecraft.world.IBlockAccess;
 import net.minecraft.world.World;
 import net.minecraftforge.common.ForgeDirection;
-import tconstruct.library.blocks.IDrawbridgeLogicBase;
+//import tconstruct.library.blocks.IDrawbridgeLogicBase;
 import tconstruct.library.util.IActiveLogic;
 import tconstruct.library.util.IFacingLogic;
 import tmechworks.TMechworks;
@@ -28,6 +28,7 @@
 import tmechworks.blocks.logic.FirestarterLogic;
 import tmechworks.client.block.MachineRender;
 import tmechworks.lib.TMechworksRegistry;
+import tmechworks.lib.blocks.IDrawbridgeLogicBase;
 import tmechworks.lib.blocks.InventoryBlock;
 import tmechworks.lib.blocks.InventoryLogic;
 import tmechworks.lib.util.CoordTuple;
diff --git a/src/tmechworks/blocks/logic/AdvancedDrawbridgeLogic.java b/src/tmechworks/blocks/logic/AdvancedDrawbridgeLogic.java
index d16c3ad..c5dd164 100644
--- a/src/tmechworks/blocks/logic/AdvancedDrawbridgeLogic.java
+++ b/src/tmechworks/blocks/logic/AdvancedDrawbridgeLogic.java
@@ -24,7 +24,7 @@
 import net.minecraft.world.World;
 import net.minecraftforge.common.ForgeDirection;
 import tconstruct.library.TConstructRegistry;
-import tconstruct.library.blocks.IDrawbridgeLogicBase;
+import tmechworks.lib.blocks.IDrawbridgeLogicBase;
 import tmechworks.lib.blocks.InventoryLogic;
 import tconstruct.library.util.IActiveLogic;
 import tconstruct.library.util.IFacingLogic;
diff --git a/src/tmechworks/blocks/logic/DrawbridgeLogic.java b/src/tmechworks/blocks/logic/DrawbridgeLogic.java
index ab04c23..f98e4ed 100644
--- a/src/tmechworks/blocks/logic/DrawbridgeLogic.java
+++ b/src/tmechworks/blocks/logic/DrawbridgeLogic.java
@@ -22,10 +22,10 @@
 import net.minecraft.world.World;
 import net.minecraftforge.common.ForgeDirection;
 import tconstruct.library.TConstructRegistry;
-import tconstruct.library.blocks.IDrawbridgeLogicBase;
 import tconstruct.library.util.IActiveLogic;
 import tconstruct.library.util.IFacingLogic;
 import tmechworks.inventory.DrawbridgeContainer;
+import tmechworks.lib.blocks.IDrawbridgeLogicBase;
 import tmechworks.lib.blocks.InventoryLogic;
 import tmechworks.lib.player.FakePlayerLogic;
 
diff --git a/src/tmechworks/inventory/DrawbridgeSlot.java b/src/tmechworks/inventory/DrawbridgeSlot.java
index 13a2d0f..a0c6715 100644
--- a/src/tmechworks/inventory/DrawbridgeSlot.java
+++ b/src/tmechworks/inventory/DrawbridgeSlot.java
@@ -4,7 +4,7 @@
 import net.minecraft.inventory.IInventory;
 import net.minecraft.item.ItemStack;
 import tconstruct.library.TConstructRegistry;
-import tconstruct.library.blocks.IDrawbridgeLogicBase;
+import tmechworks.lib.blocks.IDrawbridgeLogicBase;
 
 public class DrawbridgeSlot extends SlotBlocksOnly
 {
diff --git a/src/tmechworks/lib/blocks/IDrawbridgeLogicBase.java b/src/tmechworks/lib/blocks/IDrawbridgeLogicBase.java
new file mode 100644
index 0000000..2f170b7
--- /dev/null
+++ b/src/tmechworks/lib/blocks/IDrawbridgeLogicBase.java
@@ -0,0 +1,7 @@
+package tmechworks.lib.blocks;
+
+public interface IDrawbridgeLogicBase
+{
+    public boolean hasExtended ();
+    public byte getPlacementDirection ();
+}