In-Service Inspection Program for the SRS Waste Tanks ... - SRS CAB
In-Service Inspection Program for the SRS Waste Tanks ... - SRS CAB
In-Service Inspection Program for the SRS Waste Tanks ... - SRS CAB
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<strong>Waste</strong> <strong>Tanks</strong>Type I (12)Old Style750 kgal1951-1953Type II (4)Old Style1.0 Mgal1955-1956Type IV (8)Old Style1.3 Mgal1956-1960Type III (27)New Style1.3 Mgal1966-1981• (24) Old Style <strong>Tanks</strong>– Type I/II: partial secondary containment• Routine visual inspections of annulus• Monitor and visually inspect duringwaste removal activities– Type IV: single shell tanks (SST)• Routine internal visual inspections– Up to 50 years old– Do not have full secondarycontainment– (2) have been closed– No active leaksites today• (27) New-Style <strong>Tanks</strong>– Full secondary containment– No leakage history– Receive all new waste– Used <strong>for</strong> all processing activities– Comprehensive inspection program• Visual inspections• Volumetric inspection6
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