## page was renamed from Vacuum

== all of this which is still useful should be put into the 40m DCC Vac tree ==

[[ http://www.ligo.caltech.edu/~ajw/40m/40mProcedures.doc ]]

[[http://www.ligo.caltech.edu/~ajw/40m/40mVaccum_T000054-00.pdf ]]

[[https://dcc.ligo.org/DocDB/0015/D000338/000/D000338-00.pdf]]

[[Vacuum_Interlocks]]

[[ V1 gate valve ]] [[ http://www.vatvalve.com/en/business/valves/product?id=10846-UE44 ]] [[8" id main gate to Maglev turbo]]

[[IFO to RGA valve]] [[ http://www.vatvalve.com/business/valves/product?id=10836-UE44 ]] [[2.5" id VM1]]

[[ Leybold D30A as RP1 & RP3 ]]  [[attachment:Roughing_Pump_ Manual]]

[[ Fore pump of TP2 & TP3 ]] [[attachment:SH-100 Dry Scroll Pump]]

[[ TP2 & TP3 ]]  Varian TP Manual: [[attachment:Small_Turbo_V70D.pdf]] / Varian Controller Manual: [[attachment:V70D Turbo Controller]] / Agilent Manual: [[attachment:TwisTorr 84 FS AG Rack Controller.pdf]]

[[ TP1 magnetically suspended turbo ]]  [[attachment:Osaka Maglev]] [[attachment:Osaka Maglev Manual]] [[attachment:Maglev Controller Communication Drawing]]  [[attachment:TG390MCAB specs]]

[[ VC1 cold pump ]]  [[attachment:Cryo Torr 8]]   

 





 
   [[attachment:Airgas_Vent_Air_Specs]]

  [[attachment:Airgas_N2_specifications]]

 [[attachment:Cryo_Interlock.pdf]]

[[How_to_use_RGA]]

[[Vacuum/TurboPumpWiring|/Turbo Pump 1 wiring]]

[[Vacuum/VacuumMEDMediting|/Vacuum MEDM screen and EPICS editing]]

[[attachment:Seismic_Isolation_Stacks_TM_Chambers.pdf]]

 [[attachment:40mChamber.PDF]]

[[attachment:Pumpspool_of_Vac_Envelope.pdf]]

[[attachment:VacOperationGuide.pdf]]

[[attachment:Pressure_Balanced_Bellow.pdf]]

[[attachment:Manual_Access_Connector_to_OOC.pdf]]

[[attachment:Access_Connector_to_ITMS.pdf]]

[[attachment:40M_Vac_Env_Lengths.pdf]]

[[attachment:LIGO_40M_Lab_Floor_Plan.pdf]]

 [[attachment:40m_floor_dimensions]]

[[attachment:LIGO_40M_Lab_Safety_Floor_Plan.pdf]]

[[attachment:40M_Vac_Env_Side_Chamber_Stack.pdf]]

[[attachment:40M_Vac_Env_Vertex_Chambers_Layout.pdf]]

[[attachment:40M_Vac_Env_Layout_&_Building.pdf]]

 [[attachment:old_drawings_on _paper_ opt_vac_facilities]]

 5E-7 Torr is the lowest pressure achieved  in 40m https://nodus.ligo.caltech.edu:8081/40m/180821_160912/best_.pdf

[[http://nodus.ligo.caltech.edu:8080/40m/14373]] Main vacuum heavy doors are supposed to be fastened by torque wrenches. 25 ft-lb for the 1st round and then 45 ft-lb for the 2nd round.

= Crane Safety Documentation =
The main Crane Safety Document for the End Station Cranes (now in the DCC): <<BR>>
[[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=15072|40m Cranes Document]]

  [[attachment:Annual_Crane _Inspection_2018.pdf]]

 [[attachment:Annual_Crane_Inspection_2017.pdf]]

[[attachment:Annual_Crane_Inspection_2016.pdf]]

[[attachment:Annual_Crane_Inspection_and_Preventive_Maintenance_April_2013.pdf]]

[[attachment:Annual_Crane_Inspection_and_Preventive_Maintenance_10_March_2011.pdf]]

[[attachment:Crane_Load_Test_1_Ton_Quote_16_March_2011.docx]]

[[attachment:Crane_Inspections_and_Load_tests_4_April_2011.pdf]]

=== Previous (Obsolete) Versions of the Crane Docs ===

[[attachment:E1000379_40m_cranes_document.doc]]

[[attachment:CraneOperations40m.doc]]

[[attachment:CraneDocument 27 August 2010_ENDS.doc]]

[[attachment:CraneDocument27 August 2010_Corner-1.doc]]

[[attachment:CraneDocument21July2010.doc]]
   
[[attachment:CraneDocument21July2010_Corner.doc]]


--------
The main document refers to another document for details on keeping thinks clean (wiping chambers with methanol, etc): [[attachment:Cleanliness.doc]]

==== The text that was here has been copied into the .doc files attached. ====