Overview:
The following figure illustrates the location of the straight sections that are aligned either in building 750 or in the ring:

Details:
Only the K2 septum located at 3S is pre-aligned in the collider hall (Building #750). The other two straights with kickers are assembled in SSRL vacuum (Building #137). Three insertion devices (IDs) are completely new (BL4, BL6 and BL7).