1. May 06, 2013 Photo by Greg Vogel

2. Thursday, April 18, some tunnel work had to be suspended and many planned jobs had to be postponed due to the flooding. Mitigation protected critical assets, but clean up and recovery took several days Rainy Day Activity Re-cap

3. Shutdown 2012 Machine Status:  NTF Treatments as scheduled  Proton Source Commissioning and Studies RFQ Injector Line (RIL) Linac Booster TeV & Muon Rings – Partially available for tours with approval and appropriate training

4. MSS Bypass Project

5. MSS Bypass Project – Impact Areas  CDF & Industrial Building Saturday, April 13th – Weekend outage from 0700-1530 Put a cap on a “y” splice Cable pulls and splices in PMH 21  Booster Tuesday, April 23 rd – Friday, April 26 th (No machine operation) No power outage (Move to Feeder 42) Cable pulls and splices in PMH 61  Linac Tuesday, April 23 rd – Friday, April 26 th (machine may operate) No power outage (Move to Feeder 43) Cable pulls and splices in PMH 61  CHL ~7 day outage (only house power available) Not expected until June Cable pulls and splices in PMH 210  Meson To be proposed – 10 minute outage Not expected until June Cable pulls and splices in PMH 110 Impacts MCC, Holometer, MW9, all enclosures, systems, and buildings  CDF & Industrial Building Saturday, June ?? – Weekend outage from 0700-1530 Reconnect a “y” splice

6. External Beamline PMs  Substation maintenance for NL-10 4/25: 0800-1300 Lab B compressor room  Substation maintenance for NL-10A 5/2: 0800–1200 Lab E, Lab F and Portakamp 176  Substation maintenance for NL-11 5/9: 0800–1200 Lab B

7. Shutdown 2012 Schedules and Links: Schedule can be accessed from the Operations Home Page - Schedules -> Operations Schedule Direct link to schedule - http://www-ad.fnal.gov/ops/schedule.html ANU - http://www-cons/http://www-cons/ Proton Source -http://www-ad.fnal.gov/proton/protonsched/shutdown2012.htm l

9. MSS Bypass Project – To Do List  Master Sub Station Multi-Colored Air Switch installation which includes excavation for new duct bank and terminations in manholes. ○ The new duct bank crosses several existing duct banks which means the feeders running through the existing duct banks may need to be powered down. Feeder 46B fault has complicated this work. ○ Areas we know it will affect Excavation is being done without expected power outages CHL, Industrial Building, CDF, C0 Need to coordinate with CHL & MICE Meson Areas Booster – no outage but can’t run accelerator Linac – no outage and will be able to run

10. Order 51,61,21,110,210