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          <gmd:address>
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                <gco:CharacterString>Hôtel Communautaire</gco:CharacterString>
              </gmd:deliveryPoint>
              <gmd:deliveryPoint>
                <gco:CharacterString>Pertuis de la Marine</gco:CharacterString>
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              <gmd:deliveryPoint>
                <gco:CharacterString>BP 85530</gco:CharacterString>
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              <gmd:country>
                <gco:CharacterString>FRA</gco:CharacterString>
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              <gmd:electronicMailAddress>
                <gco:CharacterString>geomatique@cud.fr</gco:CharacterString>
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        <gmd:MD_GeometricObjects>
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            <gmd:MD_GeometricObjectTypeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/gmxCodelists.xml#MD_GeometricObjectTypeCode" codeListValue="complex">complex</gmd:MD_GeometricObjectTypeCode>
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            <gco:Integer>8144</gco:Integer>
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  </gmd:referenceSystemInfo>
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      <gmd:citation>
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          <gmd:title>
            <gco:CharacterString>Référentiel topographique - Chambre - Communauté Urbaine de Dunkerque</gco:CharacterString>
          </gmd:title>
          <gmd:alternateTitle>
            <gco:CharacterString>referentiel.Res_Chambre</gco:CharacterString>
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          <gmd:date>
            <gmd:CI_Date>
              <gmd:date>
                <gco:Date>2021-04-26Z</gco:Date>
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                <gmd:CI_DateTypeCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#CI_DateTypeCode" codeListValue="revision">revision</gmd:CI_DateTypeCode>
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        <gco:CharacterString>Ce référentiel est constitué de plus de 70 couches de données topographiques  décrivant le parcellaire, le bâti, les espaces verts, la voirie, le mobilier urbain,  l'hydrographie et la toponymie. Des points de nivellement caractéristiques (fil d’eau, haut et bas de talus, axes de chaussée, point haut /point bas ) renseignent  également sur l’altitude.

Ce référentiel 2D est constitué de l’intégration de plans topographiques et parcellaires précis  (plans de détail à très grande échelle 1/200ème ). Les classes de précisions selon l’arrêté du 16 Septembre 2003 sont les suivantes : 4 cm en planimétrie et 2 cm en altimétrie.

Les plans sont réalisés par des géomètres-experts ou par les géomètres de la CUD par méthode traditionnelle (levé terrain  par tachéométrie ).

La couche Chambre représente les chambres de tirage rectangulaires (2,3 et 4 éléments ou de forme non conventionnelle).
La taille réelle (longueur) est mesurée sur le terrain.
Le point 1 est le  point d’accrochage de l’objet. 
Le point 2 est le point d’orientation de l’objet, ou tout autre coin de l’objet</gco:CharacterString>
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              <gmd:address>
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                    <gco:CharacterString>Hôtel Communautaire</gco:CharacterString>
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                  <gmd:deliveryPoint>
                    <gco:CharacterString>Pertuis de la Marine</gco:CharacterString>
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        <gmd:LanguageCode codeList="http://standards.iso.org/ittf/PubliclyAvailableStandards/ISO_19139_Schemas/resources/codelist/ML_gmxCodelists.xml#LanguageCode" codeListValue="fre">français</gmd:LanguageCode>
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              <gmd:westBoundLongitude>
                <gco:Decimal>2.101</gco:Decimal>
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                <gco:Decimal>2.5555</gco:Decimal>
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              <gmd:value>
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            <gco:CharacterString>Les plans  sont généralement conçus à l’initiative des services de la CUD qui en font la demande en phase projet afin de réaliser  leurs  études  d’aménagement de voirie , de renouvellement de réseaux ou d’acquisitions foncières.
L’assemblage des plans n’est pas complet sur le territoire et il est nécessaire avant usage de vérifier la date de conception des objets représentés.</gco:CharacterString>
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