diff --git a/Objects3D/zaal/zhive.s3o b/Objects3D/zaal/zhive.s3o
index 5276e97c8..4e285e3a1 100644
Binary files a/Objects3D/zaal/zhive.s3o and b/Objects3D/zaal/zhive.s3o differ
diff --git a/Units-Configs-Basedefs/basedefs/zaal/zarm_basedef.lua b/Units-Configs-Basedefs/basedefs/zaal/zarm_basedef.lua
index 40a6edcd5..6824bb194 100644
--- a/Units-Configs-Basedefs/basedefs/zaal/zarm_basedef.lua
+++ b/Units-Configs-Basedefs/basedefs/zaal/zarm_basedef.lua
@@ -34,7 +34,7 @@ unitDef                    = {
 	idleTime                     = 2200,
 	levelground                  = true,
 	maxDamage                    = 500,
-	maxSlope                     = 60,
+	maxSlope                     = 90,
 	maxVelocity                  = 0.001,
 	maxReverseVelocity           = 0.001,
 	maxWaterDepth                = 5000,
@@ -59,6 +59,7 @@ unitDef                    = {
 	yardmap 					 = "oooooo oooooo oooooo oooooo oooooo oooooo",
 	workerTime                   = 1,
 	TerraformSpeed               = 2147000,
+	usePieceCollisionVolumes	 = true,
 	sfxtypes                     = { 
 		pieceExplosionGenerators = { 
 			"blood_spray", 
diff --git a/Units-Configs-Basedefs/basedefs/zaal/zhive_basedef.lua b/Units-Configs-Basedefs/basedefs/zaal/zhive_basedef.lua
index 6da3b02db..cb35bb001 100644
--- a/Units-Configs-Basedefs/basedefs/zaal/zhive_basedef.lua
+++ b/Units-Configs-Basedefs/basedefs/zaal/zhive_basedef.lua
@@ -28,7 +28,7 @@ unitDef                     = {
 	idleAutoHeal                  = .5,
 	idleTime                      = 2200,
 	maxDamage                     = 1,
-	maxSlope                      = 25,
+	maxSlope                      = 90,
 	maxWaterDepth                 = 99999999999,
 	metalStorage                  = 0,
 	metalMake                     = 1,
@@ -48,7 +48,7 @@ unitDef                     = {
 	--  unitRestricted	          = 1,
 	workerTime                    = 1,
 	yardMap                       = yardMap,
-	--  usePieceCollisionVolumes  = true,
+	usePieceCollisionVolumes      = true,
 	--  modelCenterOffset	      = {108, 10, 0},
 	sfxtypes                      = { 
 		pieceExplosionGenerators  = { 
diff --git a/Units/zaal/zhatch.lua b/Units/zaal/zhatch.lua
index 90ff9c1ee..894485255 100644
--- a/Units/zaal/zhatch.lua
+++ b/Units/zaal/zhatch.lua
@@ -13,8 +13,8 @@ energyMake = 0
 
 supplygranted = 20
 
-footprintX = 8
-footprintZ = 8
+footprintX = 16
+footprintZ = 16
 
 yardMap = [[oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo]]
 
diff --git a/Units/zaal/zhive.lua b/Units/zaal/zhive.lua
index a7016dd1c..302adec09 100644
--- a/Units/zaal/zhive.lua
+++ b/Units/zaal/zhive.lua
@@ -5,7 +5,7 @@ unitName = [[zhive]]
 
 --------------------------------------------------------------------------------
 
-metalMultiplier = 2
+metalMultiplier = 4
 
 buildCostMetal = 300
 energyUse = 0
@@ -13,8 +13,8 @@ energyMake = 20
 
 supplygranted = 60
 
-footprintX = 8
-footprintZ = 8
+footprintX = 16
+footprintZ = 16
 
 yardMap = [[oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo]]
 
diff --git a/Units/zaal/zlair.lua b/Units/zaal/zlair.lua
index a3b920450..7b7a1543c 100644
--- a/Units/zaal/zlair.lua
+++ b/Units/zaal/zlair.lua
@@ -5,7 +5,7 @@ unitName = [[zlair]]
 
 --------------------------------------------------------------------------------
 
-metalMultiplier = 1.5
+metalMultiplier = 2
 
 buildCostMetal = 150
 energyUse = 0
@@ -13,8 +13,8 @@ energyMake = 10
 
 supplygranted = 40
 
-footprintX = 8
-footprintZ = 8
+footprintX = 16
+footprintZ = 16
 
 yardMap = [[oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo oooooooo]]