<?xml version="1.0" encoding="UTF-8"?>
<!-- (c) XBRL International.  See http://www.xbrl.org/legal -->
<schema attributeFormDefault="unqualified" xmlns:xbrll="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.xbrl.org/int/gl/usk/2005-07-12" elementFormDefault="qualified" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:gl-usk="http://www.xbrl.org/int/gl/usk/2005-07-12" xmlns:gl-bus="http://www.xbrl.org/int/gl/bus/2005-07-12" xmlns:gl-cor="http://www.xbrl.org/int/gl/cor/2005-07-12">

  <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd"/>

  <include schemaLocation="../../usk/gl-usk-2005-07-12.xsd"/>

  <complexType name="frequencyIntervalItemType">
    <simpleContent>
      <restriction base="xbrli:decimalItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="frequencyUnitItemType">
    <simpleContent>
      <restriction base="xbrli:stringItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="jobCodeItemType">
    <simpleContent>
      <restriction base="xbrli:stringItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="jobDescriptionItemType">
    <simpleContent>
      <restriction base="xbrli:stringItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="jobPhaseCodeItemType">
    <simpleContent>
      <restriction base="xbrli:stringItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="jobPhaseDescriptionItemType">
    <simpleContent>
      <restriction base="xbrli:stringItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="lastDateRepeatItemType">
    <simpleContent>
      <restriction base="xbrli:dateTimeItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="nextDateRepeatItemType">
    <simpleContent>
      <restriction base="xbrli:dateTimeItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="recurringStdDescriptionItemType">
    <simpleContent>
      <restriction base="xbrli:stringItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="repetitionsRemainingItemType">
    <simpleContent>
      <restriction base="xbrli:integerItemType"/>
    </simpleContent>
  </complexType>
	<complexType name="reverseTypeItemType">
		<simpleContent>
			<restriction base="xbrli:booleanItemType" />
		</simpleContent>
	</complexType>
  <complexType name="reversingDateItemType">
    <simpleContent>
      <restriction base="xbrli:dateTimeItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="reversingStdIdItemType">
    <simpleContent>
      <restriction base="xbrli:stringItemType"/>
    </simpleContent>
  </complexType>
  <complexType name="endDateRepeatingEntryItemType">
    <simpleContent>
      <restriction base="xbrli:dateTimeItemType"/>
    </simpleContent>
  </complexType>

</schema>

