The two pieces of beam pipe shielding, one on each side of the detector and situated between the two big Muon Spectrometer wheels, are identical and each consist of 138 pieces.
| Description | Quantity |
|---|---|
| black angle cross/round rod | 14 |
| black connect cross rod | 6 |
| black cross rod 2 | 10 |
| black cross rod 4 | 2 |
| black cross rod 6 | 6 |
| black cross rod 8 | 8 |
| black joint fork cross rod | 8 |
| black joint stump cross rod | 8 |
| dark grey brick 4×4 round | 12 |
| light grey brick 1×2 cross hole | 6 |
| light grey brick 1×2 round hole | 2 |
| light grey brick 2×2 | 12 |
| light grey brick 2×4 | 1 |
| light grey brick 2×6 | 2 |
| light grey half bush cross rod | 4 |
| light grey bush cross rod | 32 |
| light grey tile 2×2 | 3 |
| light grey tile 2×6 | 2 |