Transcription of PIPING MATERIAL CLASS DESCRIPTION - Washington
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PIPING MATERIAL CLASS DESCRIPTION - Washington
Document title: PIPING MATERIAL CLASS DESCRIPTION Contract number: DE-AC27-0 lRV14 136 Department : Plant Design Author(s) : B. Gavino -%Gib+ Principal author Document number: Checked by: J. Sutton @&- signature: 24590-WTP-PER-PL-02-00 1, Rev 6 Checker signature: Date of issue: 3/21 fu5 Issue status: Approved by: M. Myatt Approver s position: Discipline Engineering Manager Issued for Permitting Use + Approver signature: River Protection Project Waste Treatment Plant 2435 Stevens Center Place Richland, WA 99354 United States of America Tel: 509 371 2000 24590-PADC-F00041 Rev 5 (6/28/2004) History Sheet Rev 0 1 2 3 4 5 6 Date 09/20/02 0211 0103 03/27/03 12/23/03 02/26/04 03/04/04 3\sbl& 24590-PADC-F00041 Rev 5 (6/28/2004) 24590-WP-PER-PL-02-001, Rev 6 PIPING MATERIAL CLASS DESCRIPTION Reason for revision Revised by Issued for Permitting Use Issued for Permitting Use Issued for Permitting Use Issued for Permitting Use B.
The small bore valves are socket welded up to size . NPS . 2 . for both cases. Field fabrication for carbon and stainless steel piping . NPS . 2 . and smaller should be socket weld. Certain piping material classes in this document are required to be all butt weld construction based on the service requirements. 3.10 Branch Connection
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