Summer Shutdown Planning for Proton.PMG and Accelerator Division - Major Project Listings

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Planning for the upcoming summer shutdown at Proton.PMG and Accelerator Division involves prioritizing major projects within a 10-12 week window. Shutdown coordinators gather and prioritize work lists for each machine, ensuring a streamlined process with no last-minute surprises. Detailed tasks include installation, maintenance, and upgrades across various components and systems.

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Proton PMG Summer Shutdown Planning 4/7/16 Cons Gattuso

Accelerator Division Summer Shutdown Shutdown Planning Major Job priority listing was defined such that they fit our 10-12 week shutdown window based on this priority ranking. We planned around the 10-12 week time window, not around getting as much done as possible PIP/ Muon Projects AIP Upgrades Maintenance Shutdown Coordinators (Initial meeting with Machine Coordinators started on Jan 16, weekly meeting since) Each Machine/Department had a Shutdown Coordinator assigned They gather the work list for each machine and prioritized based on machine needs Bi-weekly meetings to discuss the work list items We merged the Machine schedules to the Global schedule Balancing out resources like: Alignment Electricians Welders Etc. We were very strict as to what jobs were done No last minute surprise jobs that were tried to squeeze in. 2 C. Gattuso| AD Shutdown Manager 9/15/2024

Proton Source Shutdown Work list RIL Booster BRF21 and BR22 installation ~6-8 weeks Major Buss changes Tunnel vacuum modifications Cables pulls to anode supply ~6-8 weeks 1 refurnished cavity that will be installed early Dec. Install rebuilt primary collimator May occur next week ~1-2 days Install laser for notching system. If the opportunity arises we will install this during any given time frame General maintience Linac Marx modulator project Testing currently underway Planning to installed 1 modulator in 2016 Duration ~6 Weeks for the removal of old and installation of new LE tasks (performed by Linac techs) Modulator/driver maintenance Inductrol maintenance Water skid maintenance HE tasks (performed by Linac techs) CS & PFN maintenance PFN cap bank maintenance QPS PM Water skid maintenance Heat exchanger maintenance

Main Injector/Recycler RR Collimator installation ~14-20???? weeks 1 primary Collimator 2 secondary Collimators 2 masks Correction element system Loss monitor system Vacuum modification Installation of Beam stop at the 853 location ~ 2 weeks TSP upgrade from 309-529 9-11 weeks Installation of RF cavities at the 30 straight section 6-8 weeks Aperture improvement at the RR 315 and 421 locations ~1 week for each location ~1 week for each location MI Vacuum repairs to the MI 52 lamberstons vacuum pump ~3 weeks Installation of Beam stop at the 853 location ~2 weeks Ion pump maintience 1-2 Weeks P1 Line Ion pump change out ~12-15 ???? 2-3 Weeks 8 Gev Vacuum leak check ~1-2 Weeks General maintience for MI/RR ~2-3 weeks Tunnel and service building 8 GeV Ion pump change out New Cable pulls Aperture improvement at the RR 315 and 421 locations

External Beam line P3 rough vacuum Option 1 (~2 weeks) Remove vacuum window at F49, put new window at F19 Run 4" vacuum pipe from service buildings down stairwells to tunnel Install Roots blower stations in service buildings, one per house. Switch controls over to Tevatron CIA crates, rename parameters Remove and cap ion pumps. Option 2 Same as above, but only do the F4 house Staged approach MSep bump magnets: (~2 weeks) Install 4 trim dipoles, 2 on either side of the MSeps in Enclosure C Magnets are already in the tunnel. Pull 500MCM cables, install trim power supplies, hook up water. MS2LCW DI rebuild (~2-6 weeks) DI loop is very leaky Re-pipe and re-build, very similar to what we did for first half of NS2LCW project last shutdown Magnet/component reconfiguration Neutrino-Muon beamline The magnet moves, plus moving the Palmer collimators from downstream to upstream NM2, are for the SeaQuest replacement experiment E1039. Current plans Option 2 was selected Process will still take ~2 weeks MSep bumps magnets We will most likely not install them Re-scoped the level of work needed. Time frame reduced 1-3 weeks Scope has changed

External Beam line (continued) NuMI Target replacement 3-4 weeks cool off 1-2 week for replacement General maintience Dehumidifiers Drain tile cleaning Ext. 6 9/15/2024

Muon Campus Work The installation work in Muon Campus does not require a shutdown. In order to meet the project milestones we will need to continue to make progress using the same resources that are needed for the shutdown. This is a people resource issues that will need to be folded into our schedule. During the Summer shutdown installation activities DR30 straight section Vacuum reconstruction Cable pulls Powered elements Instrumentation Vacuum M4/5 line installation LCW installation Stand and magnet installation Instrumentation Vacuum system Shielding walls 7 9/15/2024

ALARA Plans Estimated Dose for the shutdown ~7-9,000 mRem ~300 mRem Linac ITF Quad change out Booster BRF21and 22 installation MI/RR LAM52 Vacuum repairs RR30 RF installation TSP2IP upgrade 309-519 Switchyard MSEP bumps NuMI Target change out ~300 mRem ~600 mRem ~1000 mRem ~1200 mRem Done Done Done ~ 500 mRem ~ 500 mRem Done 8 9/15/2024 Presenter | Presentation Title

ALARA Plan format TSP 2IP Conversion: Start 7/11/16 All items presumed to be radioactively contaminated EXAMPLE Low DOSE Job Stop limit = Individual checkpoint = 1407mrem (incl. 25% contigency) 50mrem per person, and not to exceed 300 mrem per quarter TOTAL ESTIMATED COLLECTIVE DOSE STEP TIME NUMBER EXPOSURE DOSE COMMENTS HIGH Duration Job OF RATE RECEIVED hours 0.5 0.5 0.25 0.25 0.25 0.5 0.25 0.5 0.5 0.25 0.5 0.1 0.5 PEOPLE 1 2 1 2 1 2 1 1 1 2 1 2 2 mR/hr. 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 0.75 Per/location person mrem 0.375 0.75 0.1875 0.375 0.1875 0.75 0.1875 0.375 0.375 0.375 0.375 0.15 0.75 5.2125 1125.9 mrem 1Vent system 2remove mu-metal shielding on TSP XXX 3start N2 purge for beam pipe 4Set up cutting fixtures 5Cut pipe 6install Stand for Ion pump 7prep for new weld 8setup up new pipe for welding 9weld in IP tee 10install Ion Pump 11complete final alignment 12Pump down and leak check 13 Re install Mu-metal shielding on TSP can 0 0 Total number of TSP's 216 216 Total Presenter | Presentation Title 9 9/15/2024

What Remains To Be Planned Power outages We should have a plan in place my Mid-End May Scope of the of this years power outage will be reduced Impact will be slightly greater given the inability to back feed some areas RR Collimator Installation Following details still need to be worked out LCW moves Finished by the middle of April Needed yesterdays access to finalize plans Final stand designs Finished by the middle of April NuMI Cable pulls We have a new plan that we are looking into Correction element configuration Finished within the next week C. Gattuso| AD Shutdown Manager 10 9/15/2024

April 6th access Pre shutdown activities Alignment: Reference the following magnets/devices RR primary collimator ( ready in June) RR secondary Collimators (2) ( ready in June) RR masks (3) ( ready in June) RR Beam stop for 853 location( ready in May) MI beam stop for the 853 location ( ready in May) 9 RF 2.5 Mhz cavities for RR 30 ready (Request #7303)-Done Replacement MI Dipole for 121-2 in tunnel (Request #7304) -Done AS found the following magnets: MI dipole 614-1 Done MI dipole 614-2 Done Dipole at 121-1 MI Done Dipole at 121-2 MI Done NuMI Q106 NuMI beamline Done MI dipole 613-1 Done MI dipole 613-2 Done MI dipole 616-1Done MI dipole 616-2Done MI quad 614Done RR Gradient 616A and B 11 9/15/2024 Presenter | Presentation Title or Meeting Title

May access Pre shutdown activities Staging of Equipment and component MI 218 Alcove Six 2.5 Mhz RF cavities MI-20/30/40 Alcoves ~300K ft of Ion pump cables MI-10 ~10K ft of cable Stands for Beam stops MI-52 ~200 Ft of helix cable MI-30 If ready RF cavity stands 12 9/15/2024 Presenter | Presentation Title or Meeting Title

Shutdown Cable Pulls Still Missing info. Booster IPM MI/RR Collimators Motion control Loss monitor NuMI Beam line Everything south of V108 BNB Correction elements Switchyard Correction elements Looking to complete this job Prior to summer shutdown Task no longer needed 13 9/15/2024 Presenter | Presentation Title or Meeting Title

Shut Down Summary Start Date Monday July 11th Tentative schedule has us turning beam off Friday July 8th Weekend cool off period/recoring ect Duration Approximately 12-14 weeks Man power needs Minimum same level of support from PPD/TD/ESH ~8-10 Electricians ( MI/RR/Booster/Muon Campus) ~9-12 Iron workers ( MI/RR/Muon Campus) ~4-6 Pipe fitters ( MI/RR/Muon Campus) Shutdown Duration Drivers RR collimator system Fabrication stage RR TSP to IP conversion BNB interlock reconfiguration (drive the sequence of work) Beam will be delivered prior to the end of the shutdown Muon Campus Overlap with Switchyard crews C. Gattuso| AD Shutdown Manager 14 9/15/2024

Collimator Status Update Primary Collimator Designing Stand Component drawings are in progress Next stage will be installation drawings Secondary Collimator All Parts ordered except for the vacuum liners Vacuum Liners Apertures being agreed upon. Orders and fabrication not started. Fabrication started on support stands Delivery of parts expected by the end of May to meet schedule D. Capista | Recycler Collimation 15 9/15/2024

Collimator Status Update Masks Designing Stand Component drawings are in progress Next stage will be installation drawings Controls Ordered Motion Controls Identifying required cables Need to order VME crate, support cards, and cable Installing racks at MI62 This task will start next week D. Capista | Recycler Collimation 16 9/15/2024

Collimator Status Update Correction Elements Identifying locations for elements Designing stands Beginning fabrication talks with TD for components For the 2016 shutdown we will install spares D. Capista | Recycler Collimation 17 9/15/2024