diff --git a/Construction.xsd b/Construction.xsd
index f2ddb34d..f720f802 100644
--- a/Construction.xsd
+++ b/Construction.xsd
@@ -3154,7 +3154,8 @@
                                 zone (water table)</documentation>
                         </annotation>
                     </element>
-                    <element minOccurs="0" name="pressureMeasurementConfiguration" type="diggs:pressureMeasurementConfigurationEnumType">
+                    <element minOccurs="0" name="pressureMeasurementConfiguration"
+                        type="diggs:pressureMeasurementConfigurationEnumType">
                         <annotation>
                             <documentation>Describes how pressure is measured during the test; from
                                 a controlled list. Allowed values are: - pressure gauge - borehole
@@ -3187,14 +3188,14 @@
             </extension>
         </complexContent>
     </complexType>
-    
+
     <simpleType name="pressureMeasurementConfigurationEnumType">
         <restriction base="string">
             <enumeration value="pressure gauge"/>
             <enumeration value="borehole transducer"/>
         </restriction>
     </simpleType>
-    
+
     <complexType name="LugeonStepPropertyType">
         <sequence>
             <element maxOccurs="1" minOccurs="1" ref="diggs:LugeonStep"/>
@@ -4150,8 +4151,7 @@
         </complexContent>
     </complexType>
     <element name="TimeSeriesTrial" substitutionGroup="diggs:AbstractObject"
-        type="diggs:TimeSeriesTrialType"> 
-    </element>
+        type="diggs:TimeSeriesTrialType"> </element>
     <complexType name="TimeSeriesTrialType">
         <complexContent>
             <extension base="diggs:AbstractObjectType">
@@ -4516,13 +4516,29 @@
                                 shovel</documentation>
                         </annotation>
                     </element>
-                    <element name="depthIncrement"/>
+                    <element name="wallSectionDepths" type="diggs:WallDepthsArrayPropertyType"/>
                 </sequence>
             </extension>
         </complexContent>
     </complexType>
     <element name="GroutTrenchCutoffWall" substitutionGroup="diggs:AbstractLinearSamplingFeature"
         type="diggs:GroutTrenchCutoffWallType"/>
+    <complexType name="WallSectionDepthsArrayPropertyType">
+        <sequence maxOccurs="unbounded">
+            <element ref="diggs:CutoffWallSectionDepth"/>
+        </sequence>
+    </complexType>
+    <element name="CutoffWallSectionDepth" type="diggs:CutoffWallSectionDepthType"/>
+    <complexType name="CutoffWallSectionDepthType">
+        <complexContent>
+            <extension base="diggs:AbstractComponentObjectBaseType">
+                <sequence>
+                    <element name="sectionLocation" type="diggs:LinearExtentPropertyType"/>
+                    <element name="wallDepth" type="eml:LengthMeasureExt"/>
+                </sequence>
+            </extension>
+        </complexContent>
+    </complexType>
     <complexType name="CutterSoilMixingToolType">
         <complexContent>
             <extension base="diggs:AbstractEquipmentType">
diff --git a/Diggs_procedures_temp.xsd b/Diggs_procedures_temp.xsd
index 4bc8521e..586f3767 100644
--- a/Diggs_procedures_temp.xsd
+++ b/Diggs_procedures_temp.xsd
@@ -48,7 +48,7 @@
                                 produce a liquid_limit_oven_dried reportable result</documentation>
                         </annotation>
                     </element>
-                    <element minOccurs="0" name="sieveProcedure" type="diggs:SieveProcedureEnumType">
+                    <element minOccurs="0" name="sieveProcedure" type="diggs:sieveProcedureEnumType">
                         <annotation>
                             <documentation>Value is wet if wet sieving on No. 40 screen (0.425 mm)
                                 is performed; dry if dry sieving on No. 40 screen (0.425 mm) is
@@ -89,7 +89,7 @@
 </documentation>
                         </annotation>
                     </element>
-                    <element minOccurs="0" name="waxDensity" type="diggs:WaxDensityType">
+                    <element minOccurs="0" name="waxDensity" type="diggs:WaxDensityMeasureType">
                         <annotation>
                             <documentation>For determination of shrinkage limit, the density of the wax used to seal the soil pat. This may be an assigned value, reported from the manufacturer or determined by a test procedure such as described in ASTM D 4943.</documentation>
                         </annotation>
@@ -130,7 +130,7 @@
         </complexContent>
     </complexType>
 
-    <simpleType name="SieveProcedureEnumType">
+    <simpleType name="sieveProcedureEnumType">
         <restriction base="string">
             <enumeration value="wet"/>
             <enumeration value="dry"/>
@@ -139,7 +139,7 @@
         </restriction>
     </simpleType>
 
-    <complexType name="WaxDensityType">
+    <complexType name="WaxDensityMeasureType">
         <simpleContent>
             <extension base="diggs:DensityOrUnitWeightMeasureType">
                 <attribute name="howDetermined" type="diggs:DescriptorMethodEnumType"/>
diff --git a/Geotechnical.xsd b/Geotechnical.xsd
index 86aea034..d5250e83 100755
--- a/Geotechnical.xsd
+++ b/Geotechnical.xsd
@@ -49,7 +49,8 @@
                                 produce a liquid_limit_oven_dried reportable result</documentation>
                         </annotation>
                     </element>
-                    <element minOccurs="0" name="sieveProcedure">
+                    <element minOccurs="0" name="sieveProcedure"
+                        type="diggs_geo:sieveProcedureEnumtType">
                         <annotation>
                             <documentation>Value is wet if wet sieving on No. 40 screen (0.425 mm)
                                 is performed; dry if dry sieving on No. 40 screen (0.425 mm) is
@@ -58,14 +59,6 @@
                                 unknown if not known. If value is None, the property handRemoved
                                 should be used.</documentation>
                         </annotation>
-                        <simpleType>
-                            <restriction base="string">
-                                <enumeration value="wet"/>
-                                <enumeration value="dry"/>
-                                <enumeration value="none"/>
-                                <enumeration value="unknown"/>
-                            </restriction>
-                        </simpleType>
                     </element>
                     <element minOccurs="0" name="handRemoved" type="boolean">
                         <annotation>
@@ -91,24 +84,17 @@
                                 test</documentation>
                         </annotation>
                     </element>
-                    <element minOccurs="0" name="waterDensity" type="diggs:SpecificGravityMeasureType">
+                    <element minOccurs="0" name="waterDensity"
+                        type="diggs:SpecificGravityMeasureType">
                         <annotation>
                             <documentation>Usually assigned a value of 1.0, this value could be modified to account for temperature differences, as indicated in the attributes of this type.
 </documentation>
                         </annotation>
                     </element>
-                    <element minOccurs="0" name="waxDensity">
+                    <element minOccurs="0" name="waxDensity" type="diggs_geo:WaxDensityMeasureType">
                         <annotation>
                             <documentation>For determination of shrinkage limit, the density of the wax used to seal the soil pat. This may be an assigned value, reported from the manufacturer or determined by a test procedure such as described in ASTM D 4943.</documentation>
                         </annotation>
-                        <complexType>
-                            <simpleContent>
-                                <extension base="diggs:DensityOrUnitWeightMeasureType">
-                                    <attribute name="howDetermined"
-                                        type="diggs:DescriptorMethodEnumType"/>
-                                </extension>
-                            </simpleContent>
-                        </complexType>
                     </element>
                     <element minOccurs="0" name="casagrandeTrial"
                         type="diggs_geo:CasagrandeTrialPropertyType" maxOccurs="unbounded">
@@ -145,6 +131,25 @@
             </extension>
         </complexContent>
     </complexType>
+
+    <simpleType name="sieveProcedureEnumtType">
+        <restriction base="string">
+            <enumeration value="wet"/>
+            <enumeration value="dry"/>
+            <enumeration value="none"/>
+            <enumeration value="unknown"/>
+        </restriction>
+    </simpleType>
+
+    <complexType name="WaxDensityMeasureType">
+        <simpleContent>
+            <extension base="diggs:DensityOrUnitWeightMeasureType">
+                <attribute name="howDetermined" type="diggs:DescriptorMethodEnumType"/>
+            </extension>
+        </simpleContent>
+    </complexType>
+
+
     <element name="CasagrandeTrial" type="diggs_geo:CasagrandeTrialType"
         substitutionGroup="diggs:AbstractProcedureTrial">
         <annotation>
@@ -2066,20 +2071,7 @@ consolidation (ch) and in situ horizontal coefficient of permeability (kh)</docu
                         </annotation>
                     </element>
                 </sequence>
-                <attribute name="index" use="required">
-                    <simpleType>
-                        <union>
-                            <simpleType>
-                                <restriction base="string">
-                                    <enumeration value=""/>
-                                </restriction>
-                            </simpleType>
-                            <simpleType>
-                                <restriction base="integer"/>
-                            </simpleType>
-                        </union>
-                    </simpleType>
-                </attribute>
+                <attribute use="required" ref="diggs:index"> </attribute>
             </extension>
         </complexContent>
     </complexType>
@@ -3006,8 +2998,8 @@ soil, which is dependent upon the water content of the soil, along with the type
         <complexContent>
             <extension base="diggs:AbstractLaboratoryTestProcedureType">
                 <sequence>
-                    <element maxOccurs="unbounded" minOccurs="0" name="reading" type="diggs_geo:ReadingMeasureType">
-                    </element>
+                    <element maxOccurs="unbounded" minOccurs="0" name="reading"
+                        type="diggs_geo:ReadingMeasureType"> </element>
                 </sequence>
             </extension>
         </complexContent>
@@ -3023,7 +3015,7 @@ soil, which is dependent upon the water content of the soil, along with the type
             </extension>
         </complexContent>
     </complexType>
-    
+
     <element name="RedoxTest" substitutionGroup="diggs:AbstractLaboratoryTestProcedure"
         type="diggs_geo:RedoxTestType">
         <annotation>