diff --git a/src/main/java/ru/bclib/api/biomes/BCLBiomeBuilder.java b/src/main/java/ru/bclib/api/biomes/BCLBiomeBuilder.java
index 0e8c74a7..5633b161 100644
--- a/src/main/java/ru/bclib/api/biomes/BCLBiomeBuilder.java
+++ b/src/main/java/ru/bclib/api/biomes/BCLBiomeBuilder.java
@@ -27,6 +27,7 @@ import net.minecraft.world.level.levelgen.GenerationStep;
 import net.minecraft.world.level.levelgen.GenerationStep.Decoration;
 import net.minecraft.world.level.levelgen.Noises;
 import net.minecraft.world.level.levelgen.SurfaceRules;
+import net.minecraft.world.level.levelgen.SurfaceRules.SequenceRuleSource;
 import net.minecraft.world.level.levelgen.carver.ConfiguredWorldCarver;
 import net.minecraft.world.level.levelgen.feature.ConfiguredStructureFeature;
 import net.minecraft.world.level.levelgen.placement.PlacedFeature;
@@ -568,11 +569,24 @@ public class BCLBiomeBuilder {
 	
 	/**
 	 * Adds surface rule to this biome.
-	 * @param surfaceRule {link SurfaceRules.RuleSource} surface rule.
+	 * @param newSurfaceRule {link SurfaceRules.RuleSource} surface rule.
 	 * @return same {@link BCLBiomeBuilder} instance.
 	 */
-	public BCLBiomeBuilder surface(SurfaceRules.RuleSource surfaceRule) {
-		this.surfaceRule = surfaceRule;
+	public BCLBiomeBuilder surface(SurfaceRules.RuleSource newSurfaceRule) {
+		if (this.surfaceRule==null) {
+			this.surfaceRule = newSurfaceRule;
+		} else {
+			this.surfaceRule = SurfaceRules.sequence(this.surfaceRule, newSurfaceRule);
+		}
+		return this;
+	}
+	
+	/**
+	 * clear all surface rules
+	 * @return same {@link BCLBiomeBuilder} instance.
+	 */
+	public BCLBiomeBuilder clearSurface() {
+		this.surfaceRule = null;
 		return this;
 	}
 	
diff --git a/src/main/java/ru/bclib/api/surface/rules/VolumeNoiseCondition.java b/src/main/java/ru/bclib/api/surface/rules/VolumeNoiseCondition.java
new file mode 100644
index 00000000..bda81e8b
--- /dev/null
+++ b/src/main/java/ru/bclib/api/surface/rules/VolumeNoiseCondition.java
@@ -0,0 +1,44 @@
+package ru.bclib.api.surface.rules;
+
+import com.mojang.serialization.Codec;
+import net.minecraft.world.level.levelgen.SurfaceRules;
+import net.minecraft.world.level.levelgen.SurfaceRules.Condition;
+import net.minecraft.world.level.levelgen.SurfaceRules.ConditionSource;
+import net.minecraft.world.level.levelgen.SurfaceRules.Context;
+import net.minecraft.world.level.levelgen.SurfaceRules.LazyCondition;
+import ru.bclib.mixin.common.SurfaceRulesContextAccessor;
+
+public abstract class VolumeNoiseCondition implements SurfaceRules.ConditionSource{
+	@Override
+	public Codec<? extends ConditionSource> codec() {
+		return SurfaceRules.ConditionSource.CODEC;
+	}
+	
+	@Override
+	public final Condition apply(Context context2) {
+		final VolumeNoiseCondition self = this;
+		
+		class Generator extends LazyCondition {
+			Generator() {
+				super(context2);
+			}
+			
+			@Override
+			protected long getContextLastUpdate() {
+				final SurfaceRulesContextAccessor ctx = SurfaceRulesContextAccessor.class.cast(this.context);
+				return  ctx.getLastUpdateY() + ctx.getLastUpdateXZ();
+			}
+			
+			@Override
+			protected boolean compute() {
+				final SurfaceRulesContextAccessor context = SurfaceRulesContextAccessor.class.cast(this.context);
+				if (context==null) return false;
+				return self.test(context);
+			}
+		}
+		
+		return new Generator();
+	}
+	
+	public abstract boolean test(SurfaceRulesContextAccessor context);
+}
diff --git a/src/main/java/ru/bclib/mixin/common/SurfaceRulesContextAccessor.java b/src/main/java/ru/bclib/mixin/common/SurfaceRulesContextAccessor.java
index 99b653a5..59886394 100644
--- a/src/main/java/ru/bclib/mixin/common/SurfaceRulesContextAccessor.java
+++ b/src/main/java/ru/bclib/mixin/common/SurfaceRulesContextAccessor.java
@@ -41,4 +41,10 @@ public interface SurfaceRulesContextAccessor {
     
     @Accessor("stoneDepthBelow")
     int getStoneDepthBelow();
+    
+    @Accessor("lastUpdateY")
+    long getLastUpdateY();
+    
+    @Accessor("lastUpdateXZ")
+    long getLastUpdateXZ();
 }