tank parameters added

@@ -12,7 +12,7 @@
 
 <http://www.reportinghub.no/ep/schema/1.0/production-equipment>
       rdf:type owl:Ontology ;
-      owl:imports <http://www.reportinghub.no/ep/schema/1.0/production-facility> , <http://www.reportinghub.no/ep/schema/1.0/equipment> ;
+      owl:imports <http://www.reportinghub.no/ep/schema/1.0/equipment> , <http://www.reportinghub.no/ep/schema/1.0/production-facility> ;
       owl:versionInfo "Created with TopBraid Composer"^^xsd:string .
 
 <http://www.reportinghub.no/ep/schema/equipment#ChokeValve>
@@ -25,7 +25,7 @@ ep-prodeqt:BlockValve
       rdfs:subClassOf ep-prodeqt:Valve .
 
 ep-prodeqt:ClosedValve
-      rdf:type ep-prodeqt:ValveOpenClosedType , owl:Class ;
+      rdf:type owl:Class , ep-prodeqt:ValveOpenClosedType ;
       rdfs:comment "valve that is closed"^^xsd:string ;
       rdfs:label "closed valve"^^xsd:string ;
       rdfs:subClassOf ep-prodeqt:Valve ;
@@ -49,7 +49,7 @@ ep-prodeqt:GasLiftChoke
       rdfs:subClassOf <http://www.reportinghub.no/ep/schema/equipment#Equipment> .
 
 ep-prodeqt:OpenValve
-      rdf:type ep-prodeqt:ValveOpenClosedType , owl:Class ;
+      rdf:type owl:Class , ep-prodeqt:ValveOpenClosedType ;
       rdfs:comment "valve that is open"^^xsd:string ;
       rdfs:label "open valve"^^xsd:string ;
       rdfs:subClassOf ep-prodeqt:Valve ;
@@ -97,23 +97,41 @@ ep-prodeqt:WingValve
       rdfs:subClassOf ep-prodeqt:Valve .
 
 ep-prodeqt:areaOpen
-      rdf:type ep-core:Class_of_indirect_property , owl:FunctionalProperty , owl:ObjectProperty ;
+      rdf:type owl:ObjectProperty , owl:FunctionalProperty , ep-core:Class_of_indirect_property ;
       rdfs:comment "open area for a valve"^^xsd:string ;
       rdfs:domain ep-prodeqt:Valve ;
       rdfs:label "area open"^^xsd:string ;
       rdfs:range ep-core:Area .
 
 ep-prodeqt:areaOpenFraction
-      rdf:type ep-core:Class_of_indirect_property , owl:FunctionalProperty , owl:ObjectProperty ;
+      rdf:type owl:ObjectProperty , owl:FunctionalProperty , ep-core:Class_of_indirect_property ;
       rdfs:domain ep-prodeqt:Valve ;
       rdfs:label "area open fraction"^^xsd:string ;
       rdfs:range ep-core:AreaPerArea .
 
 ep-prodeqt:hasCaptain
-      rdf:type owl:FunctionalProperty , owl:ObjectProperty ;
+      rdf:type owl:ObjectProperty , owl:FunctionalProperty ;
       rdfs:label "has captain"^^xsd:string ;
       rdfs:range <http://www.reportinghub.no/ep/schema/organization#Person> .
 
+ep-prodeqt:tankFreeVolume
+      rdf:type owl:ObjectProperty , owl:FunctionalProperty , ep-core:Class_of_indirect_property ;
+      rdfs:domain <http://www.reportinghub.no/ep/schema/equipment#Tank> ;
+      rdfs:label "tank free volume"^^xsd:string ;
+      rdfs:range ep-core:Volume .
+
+ep-prodeqt:tankHeightUsed
+      rdf:type owl:ObjectProperty , owl:FunctionalProperty , ep-core:Class_of_indirect_property ;
+      rdfs:domain <http://www.reportinghub.no/ep/schema/equipment#Tank> ;
+      rdfs:label "tank height used"^^xsd:string ;
+      rdfs:range ep-core:Length .
+
+ep-prodeqt:tankHeightUsedFraction
+      rdf:type ep-core:Class_of_indirect_property , owl:ObjectProperty , owl:FunctionalProperty ;
+      rdfs:domain <http://www.reportinghub.no/ep/schema/equipment#Tank> ;
+      rdfs:label "tank height used fraction"^^xsd:string ;
+      rdfs:range ep-core:LengthPerLength .
+
 ep-prodfac:Pipeline
       rdf:type owl:Class ;
       rdfs:label "pipeline"^^xsd:string ;