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Engineering > Change Control
   
 RFD Forms

See PPPL Procedure ENG-008 for Directions on How to Complete RFD

   
RFD Number Associated ECP Number Title Date Approved or Disapproved RFD Status
         
12-006 032 NCSX Vessel Port Manufacture 5/27/2005 Authorization to manufacture 2.5" pipe and 3.5" pipe from ASTM 625 plate.
12-005 N/A NCSX Vessel Port Manufacture 5/18/2005 DISAPPROVED - Search for more Sch40 pipe - Project will evaluate Sch10 splicing strategy.
14-002 N/A Change in Dimensional Inspection Requirements for the C1 Casting 4/15/2005 Deleted requirement for second dimensional  inspection => deemed redundant.
12-004 N/A VVSA Leak Check Tube/Block Weld 4/4/2005 It is permissible to replace the weld with a braze joint using a silver free braze material (Nicrobraz).
12-003 N/A VVSA Tube Clip Thickness 4/4/2005 The use of any gauge in the range of 0.01 to 0.02 will be acceptable to the Laboratory provided it is Inconel 625 alloy, and is found to perform adequately by the vendor.
14-001 028 RFD-14-001, Revised Location of Part Number in MCWF Casting 3/30/2005 Drawing SE-141-114 shows the reference location of the pattern/casting identification number for Type A coils. No change in that drawing is planned, at least not until all of the Type A coils are fabricated.
12-002R1 027 RFD-12-002, Substitution of Schedule 10 for Schedule 40 Piping 3/24/2005 Incorporated in Rev 5 of NCSX-CSPEC-121-02
12-001 025 RFD-12-001 - Approval to use ASTM B705 and ASTM B443 for Manufacture of Piping from Plate 3/10/2005 Incorporated in Rev 5 of NCSX-CSPEC-121-02

 

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