MICRON BUILDING #21 LN2 TANK FOUNDATION AND BASEMENT CORRIDOR LOCKERS (PROJECT #26-972164/2157) - TO CONSTRUCT A 12'X31'X1.5' REINFORCED CONCRETE PAD AND REQUIRED ANCHORAGE FOR THE FUTURE INSTALLATION OF A 10' DIAMETER BY 37' HIGH LIQUID NITROGEN TANK AT THE SOUTH SIDE OF BUILDING #21. THIS PERMIT ALSO INCLUDES THE RELOCATION OF A 45 MINUTE DOOR ASSEMBLY FROM ACROSS AN EXISTING CORRIDOR LINK AT THE BASEMENT OF BUILDING #21. THIS DOOR IS BEING RELOCATED FROM COLUMN LINE 4 TO COLUMN LINE C TO REDEFINE THE STAIR AREA. A NEW 45 MINUTE DOOR ASSEMBLY IS BEING INSTALLED ACROSS THE CORRIDOR LINK AT COLUMN LINE 3. 51 METAL LOCKERS ARE BEING INSTALLED ALONG THE BASEMENT CORRIDOR LINK BETWEEN COLUMN LINES 3 AND 4.7. ALL CONSTRUCTION PER THE APPROVED PLANS. PC#797-97/JCM