{"id":4288,"date":"2025-11-12T08:56:33","date_gmt":"2025-11-12T07:56:33","guid":{"rendered":"https:\/\/mtps.fr\/difficult-access-works-equipment\/"},"modified":"2026-02-09T14:20:02","modified_gmt":"2026-02-09T13:20:02","slug":"difficult-access-works-equipment","status":"publish","type":"page","link":"https:\/\/mtps.fr\/en\/our-business\/activities\/difficult-access-works-equipment\/","title":{"rendered":"Difficult access works equipment"},"content":{"rendered":"\n
\n
\n

In many situations, access is the main constrainton a worksite :<\/h3>\n\n\n\n
    \n
  • interventions in high mountain areas<\/li>\n\n\n\n
  • underpinning works<\/li>\n\n\n\n
  • tunnel works<\/li>\n\n\n\n
  • any work carried out in a confined space<\/li>\n\n\n\n
  • cliffs, gorges<\/li>\n<\/ul>\n<\/div>\n\n\n\n
    \n
    \"\"
    Helicopter transfer of \u2018bigs bags\u2019 of concrete to the worksite\n<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n
    \n
    \n

    Techniques used :<\/h3>\n\n\n\n
      \n
    • helicopter transport<\/li>\n\n\n\n
    • reduced-size, demountable machinery<\/li>\n\n\n\n
    • autonomous equipment<\/li>\n\n\n\n
    • ventilation devices<\/li>\n\n\n\n
    • lighting devices<\/li>\n\n\n\n
    • on-site living and office facilities<\/li>\n\n\n\n
    • rope works<\/li>\n\n\n\n
    • spider excavators<\/li>\n<\/ul>\n<\/div>\n\n\n\n
      \n
      \"\"
      Excavation works with spider excavator<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n

      Base camps<\/h2>\n\n
      \n
      \n
      \"\"
      Comprehensive autonomous facilities in mountain area<\/figcaption><\/figure>\n\n\n\n
      \"\"
      Sharing the pleasures of mountain living with its dwellers<\/figcaption><\/figure>\n<\/div>\n\n\n\n
      \n
      \"\"
      Transportation by helicopter of on-site facilities to the worksite<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n
      \"\"<\/figure>
      \n

      Materials transportation with our special vehicles \u00ab Quad 6\u00d76 \u00bb<\/p>\n<\/div><\/div>\n\n

      Helicopter transportation<\/h2>\n\n
      \n
      \n
      \"\"
      Preparation of the DZ (drop zone) for lift-off<\/figcaption><\/figure>\n<\/div>\n\n
      \n
      \"\"
      Transfer of the projected concrete station to the worksite<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
      \n
      \"\"
      ransfer of the compressor for blastingor projected concrete to the worksite <\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n

      Transportation by helicopter and acrobatic access works<\/h2>\n\n
      \n
      \n
      \"\"
      \nCasting fresh concrete for mountain works \u2013 M\u00e9rens les Vals (Ari\u00e8ge)<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
      \n
      \"\"
      Concrete mixer truck feeding the skips brought to the site by helicopter. Well filling in the Chassezac gorges (Ard\u00e8che) <\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n
      \n
      \n
      \"\"
      Acrobatic drilling on cliff at the CFL 68<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
      \n
      \"\"
      Concrete being projected from a cliff onto the back of a building using acrobatic work methods<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n

      Spider excavators<\/h2>\n\n
      \"\"<\/figure>
      \n

      Hillside stabilization after Blasting.Stabilization realized with a special excavator-mounted tool and a spider excavator held by two hoists<\/p>\n<\/div><\/div>\n\n

      \n

      Craning of spider excavator at bottom of wall to access worksite on the Tarn river\u2013 Saut de Sabo<\/p>\n<\/div>

      \"\"<\/figure><\/div>\n\n
      \n
      \n
      \"\"
      Stabilization and excavation works at bottom of small cliff<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
      \n
      \"\"
      Creation of a hillside access with5T mini-excavator and HRB Altitude 2500 m<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n

      Work in confined spaces<\/h2>\n\n
      \n
      \n
      \"\"
      Surveying clean-up operations for a very deep mine well in order to devise and install a permanent sealing system\n<\/figcaption><\/figure>\n<\/div>\n\n
      \n
      \"\"
      Forced ventilation for tunnel repair<\/figcaption><\/figure>\n<\/div><\/div>\n\n\n\n
      \n
      \"\"
      Preparing to inject a sinkhole in an old sanitation tunnel (B\u00e9ziers \u2013 34)<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n
      \"\"<\/figure>
      \n

      Reinforcement of small-section tunnel using dry-projected concrete<\/p>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"

      In many situations, access is the main constrainton a worksite : Techniques used : Base camps Materials transportation with our special vehicles \u00ab Quad 6\u00d76 \u00bb Helicopter transportation Transportation by helicopter and acrobatic access works Spider excavators Hillside stabilization after Blasting.Stabilization realized with a special excavator-mounted tool and a spider excavator held by two hoists […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4405,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-sidebar-activite.php","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-4288","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"\nDifficult access works equipment - MTPS<\/title>\n<meta name=\"description\" content=\"In many situations, access is the main constrainton a worksite : interventions in high mountain areas underpinning works tunnel works any work carried out\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mtps.fr\/en\/our-business\/activities\/difficult-access-works-equipment\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Difficult access works equipment - 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