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General description

General description. General description of the tasks to be accomplished Each Muon Station is composed of two parts: one on the Cryo side (US), the other on the opposite side. The detectors are mounted on Aluminum support walls.

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General description

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  1. General description General description of the tasks to be accomplished Each Muon Station is composed of two parts: one on the Cryo side (US), the other on the opposite side. The detectors are mounted on Aluminum support walls. There are five Muon Stations and ten support walls, one on each side and for each station. Each wall is constituted of five aluminum panels, which have maximum dimensions (in station M5): H 2080mm x L 6180 mm x T 24 mm and maximum weight 260 kg each. The first (top) panel of each wall will be fixed to a lifting system, while the following panels (2-5) will be glued and riveted on the previous one. The installation will be accomplished in two main steps, described in the two “Fiche de tache”. The personnel from INFN will participate to the work in groups of about 4 persons, organised with shifts.

  2. Zones interessees par l’installation des panneaux des chambres a muon

  3. Plancher de travail H=1.0 m Systeme de hissage M5 M2 Panneau Alluminium Cote’ cryogenie Phase 1 - Vue de l’haut – Mise en place des panneaux

  4. Poids tot. max. d’un mur (M5) =1450 kg Poids tot. max. d’un panneau (M5) = 260 kg 1450 kg 260 kg Plancher de travail H=1.0 m Cote’ cryogenie

  5. Phase 2 - Deroulement de l’assemblage des panneaux • Installation du systeme de hissage a cote’ de la structure • Installation du mur M5 • Panneau “A” en position verticale et sa fixation • au systeme de hissage • Installation de 30 supports pour les chambres • Fixation of 30 m de tresse en cuivre • Montagede ~100 supports pour cables • Hissage du panneau • Mise en place du panneau “B” • Application de colle et rivets sur le panneau • Control de placement du panneau • Hissage du panneau “B” • Continuation avec les autres panneaux de M5 • Continuation avec M4, M3, M2 cote cryogenie • Installation murs cote’ PZ • Temps prevu pour l’installation d’un panneau : 1 jour • Temps prevu pour l’installation d’une demi-mur : 1 semaine • Personnes employees dans les operations : 4 A B C D E

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