Micron Building #24A - Structural only - To sawcut existing concrete floor slab and excavate for an expansion of the existing north-south pipe trench (approximately 70 lineal feet). The trench will be expanded to the east 4 feet and will be excavated to a depth of 4 feet. The pipe trench will be constructed of 8" reinforced concrete walls and slab floor. The existing and new widened trench will be covered, the existing slab height with a tube steel frame and tile floor system. This work is being done on the first floor of Building #24A, between grid lines 2&4 and F&G. All construction per the approved plans and structural calculations. PC#312-03/JCM