Micron Building #24E (C11792) - "Modify existing return air plenum in Chemical Lab" - To install approximately 12 lineal feet of 8 foot clelanroom wall system with (2) interior egress doors to separate PumpRoom 169D and create a clean access to sample pass-thru at Chemical Lab.; and to construct a wall above the pass-thru to the ceiling. This work also includes related, mechanical, electrical, plumbing, floor tile and HEPA filter ceilng grid. All construction per the approved plans. JCM