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1
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2
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3
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- Minerals Management Service (MMS) Attendees
- Review and Discuss Section 15
- Positive Material Identification (PMI)
Demo - Office
- NDE Process
- Caisson Certification
- PMI Demo-Yard
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4
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5
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- Secure original drawings and year installed
- Planned service life at new location
- Design to 33 KSI – if original record unavailable
- Section 15.2.3.2 Material – Joint Cans requiring Grade 50 KSI
- Perform Brinell Hardness to verify tensile and yield strength
- Perform Positive Material Identification (PMI) to verify chemical
composition – Mn greater than 1.33 is Grade 50
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6
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7
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8
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9
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10
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11
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12
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13
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14
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- Engineering company selects which nodes to perform NDE per Section 15
- Contractor blasts nodes to near white
- NDE company performs NDE
- Photos taken
- Report submitted to Engineering company
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15
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16
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17
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18
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19
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- Original Drawing of Salvage Material
- Locate Certified Material on New Caisson
- NDE 100% Girth Weld/10% Long Seam
- PMI Test each Can/Joint of Pipe
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20
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21
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22
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23
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24
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25
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