Hydro Plant Risk Assessment Guide

EMERGENCY CLOSURE SYSTEM
TIER 2 CONDITION ASSESSMENT SUMMARY
Date: _________________________________ Location: _______________________________
Unit: ___________________ Type of Valve: __________________________________
Part I: Determine Adjustment to Tier 1 Emergency Closure System Condition Index.
Emergency Closure System – Valves with Hydraulic Operators
Adjustment to
Tier 1
No. Tier 2 Test (Table No.) Condition Index
Valves (Structural Integrity and Functional Operation):
T2.2.1 Corrosion (17)
T2.2.2 Yielding, Fracture, Fatigue, and Fabrication Discontinuities (18)
T2.2.3 Improper Field Repair and/or Modifications (19)
T2.2.4 Actuation Performance (20)
T2.2.5 Seals, Sealing Surfaces, and Packing (21)
T2.2.6 Bearings and Bushings (22)
Hydraulic Operators (Structural Integrity and Functional Operation):
T2.3.1 Corrosion (23)
T2.3.2 Anchoring (24)
T2.3.3 Yielding, Fracture, Fatigue, and Fabrication Discontinuities (25)
T2.3.4 Improper Field Repair and/or Modifications (26)
T2.3.5 Actuation Performance (27)
T2.3.6 Pistons (28)
T2.3.7 Hydraulic Systems (29)
T2.3.8 Electric Motors (30)
T2.3.9 Electric Controls (31)
Miscellaneous Tests and Conditions:
T2.4 Miscellaneous Deficiencies (41)
T2.5 Annunciation (42)
T2.6 Maintenance Escalation (43)
T2.7 Other Specialized Diagnostic Tests
Tier 2 Adjustments to Condition Index
(Sum of individual Adjustments)
E11-43