ATLAS Upgrade ID Barrel: End Removable Staves

1
ATLAS Upgrade ID Barrel End Removable
Staves
A single octant section of the 5 layer barrel end
was used to find the number of stave services
that have to be disconnected and removed in order
to access a single stave. Cooling layout is
single pipe from each stave without manifolding
or bunching

Column 1 To access
A set of stave services (cooling and power) have
to be disconnected and removed from Layer
Column 2
access
remove
access
access
access
remove
remove
remove
Layer 5 one set per Stave 1 L1, 2,
3, 4 Stave 2 L1, 2 5 Stave 3 L4, 3, 2 5
Stave 4
L2, 1, 4 5 Stave 5 L4, 3, 2, 4 5 Stave 6
L4, 3, 4 5 Stave 7 L4, 1, 2 5 Stave 8
L2, 4, 3 5 Stave 9 L3, 4 5
Layer 4 one set per Stave 1 L1, 2, 3
4 Stave 2 L1, 2 4 Stave 3 L1, 2, 3
4 Stave 4 L2, 3 4 Stave 5 L2, 3 4 Stave 6
L1, 2 4 Stave 7 L2, 3 4
Layer 3 one set Stave 1 L2 3 Stave 2 L2
3 Stave 3 L1, 2 3 Stave 4 L2 3 Stave 5
L1, 2 3 Stave 6 L2 3
Layer 2 one set Stave 1 L1 2 Stave 2 0
2 Stave 3 L1 2 Stave 4 0 2 Stave 5 L1 2
access remove
Layer 1 one set Stave 1 1 Stave 2 1 Stave 3
1 Stave 4 1
Layers in red are included if SMC cantilevered to
side of stave ie the cooling pipe from the
adjacent stave on the same layer
TJF 15.10.08