Micron Building #3 - (C9897) - RDA Bay Remodel - Change cleanroom wall panel configuration to line up the north and south walls of RDA 101N, reconfigure the east wall of RDA 101N, to replace a single door with an 8086 double door at the east wall of Plenum 301. Replace the door at the east wall of Plenum 302 and the egress door at the south end of Corridor 101P. To install two new return air chases at the east side of Corridor 101P, north of grid line 14. This permit is also to excavate the area below RDA 101N and install new 3'-0" high reinforced concrete retaining walls and 10" concrete floor to accomodate new raised floor system. plenumarrangement and doors exiting the area.