Index: lams_monitoring/web/gate/gateStatus.jsp
===================================================================
diff -u -r21012de4a17935353bd0a69d6c5752bc01a6dabb -ra5e8fedb7137d8df6c2d91a63876469ac31867e6
--- lams_monitoring/web/gate/gateStatus.jsp	(.../gateStatus.jsp)	(revision 21012de4a17935353bd0a69d6c5752bc01a6dabb)
+++ lams_monitoring/web/gate/gateStatus.jsp	(.../gateStatus.jsp)	(revision a5e8fedb7137d8df6c2d91a63876469ac31867e6)
@@ -4,7 +4,17 @@
 <script type="text/javascript" src="<lams:LAMSURL/>includes/javascript/jquery.timeago.js"></script>
 <script type="text/javascript" src="<lams:LAMSURL/>includes/javascript/timeagoi18n/jquery.timeago.${fn:toLowerCase(localeLanguage)}.js"></script>
 <script type="text/javascript">
-	$(document).ready(function() {$("time.timeago").timeago();});
+	$(document).ready(function() {
+		$("time.timeago").timeago();
+
+		<c:if test="${param.closingGate eq 'true' and not gateForm.gate.gateOpen}">
+			let opener = window.opener ? window.opener.document : null;
+			// refresh gate tab in TBL monitoring
+			if (window.opener && window.opener.document.URL.indexOf('#gates') > -1) {
+				window.opener.location.reload();
+			}
+		</c:if>
+	});
 </script>
 	        
 <c:if test="${not gateForm.gate.gateOpen}">
@@ -43,6 +53,7 @@
 	<form:form action="closeGate.do">
 		<input type="hidden" name="<csrf:tokenname/>" value="<csrf:tokenvalue/>"/>
 		<input type="hidden" name="activityId" value="${gateForm.activityId}" />
+		<input type="hidden" name="closingGate" value="true" />
 		<p>
 			<input type="submit" class="btn btn-danger btn-sm voffset10"
 				   title="<fmt:message key="button.task.gate.close.tooltip"/>"