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240-142892057, Mandatory Hold Points, PQP Details, Technical Notifications…
240-142892057
Intervention Points
Analysis Point
Results to be analyzed prior to proceeding
Engineer
NDT Results
Oil sample analysis
Vibration analysis
Run-down & run-up checks
Functional checks
Execute Operation
Signed by person executing work
Hold Point
No work may continue
on a module until this
point has been signed off
Approval required to proceed
Attendance may be necessary
Checksheets stamped "Hold Point"
Verification Point
Ensure confirmation to requirements
Processes
Services
Documents
Witness Point
Relevant personnel notified in writing
Personnel to be present during execution
Does NOT indicate that the desired results have been achieved
Checksheets stamped "Witness point"
Roles & Responsibilities
(240-137025973)
Project Technician
Maintenance Technician
Commissioning Technician
Compile PQP
Compile Master PQP
Carry out additions / changes
Ensure relevant signatures on front page
Compile master checksheets
Technical operations on project
Intervention points on PQP
Notify Customer / IIA 24 hours in advance
Hold Points
Witness Points
Supply copies of completed checksheets to Customer upon request
ERI Engineer
Review PQP
Ensure relevant activities are included
Quality Engineer
Review PQP
Ensure quality requirements are met
Quality Technician
Supply Supervisors with "information only" copy of PQP
Compliance to Quality Management Systems
PQP workflow assessment declarations
Tracking register
Control checksheets
Management & control of PQP
Completeness of intervention points in PQP
Intervention points on PQP
Compile Addendum documentation
PQP
Checksheets
Work Instructions
Quality Inspector
Visual & Dimensional inspections
Inspections as listed in PQP
Purpose
Mandatory intervention points
Roles and responsibilities
Compilation of PQP
Effective
Accurate
Mandatory Hold Points
HP / IP / LP Turbines
Balance Weight Inspections
Casing Half Joint Blue Checks
Axial & Radial Clearances
Camera Inspections prior to final box-up
Box-up Certificates
Bump Checks
Datums
Rotor to Pedestal Axial & Radial Clearances
Rotor to Casing Axial & Radial Clearances
LP last stage blade tip Clearances
Glandbox Axial & Radial Clearances
Balance Piston Axial & Radial Clearances
Valves
NDT for Seats, Spindles & Seals
Blue Checks
Box-up Certificates
Spindle run-outs
Camera Inspections prior to box-up
Generator
Rotor removal & installation
Balance Weight Inspections
H2 Seal Measurements & NDT Inspections
Clean Conditions Review
Commissioning
Pre-barring & post-barring Checks
Final Commissioning of Systems
Hysteresis Checks
ETSS Rundown Time from Barring
BFPT
Glandbox Radial & Axial Clearances
Rotor to Casing Radial & Axial Clearances
Bump Checks
Alignment
Parallelism & Periphery
Concentricity
Bearings
All NDT Inspections
Thrust Bearing: Float & Squareness
Pedestals
Oil Baffle Clearances
Box-up Certificates
Pre-Commissioning
PQP Workflow Assessment Declarations
Hydraulic Checksheets
PQP Details
Columns of PQP
Task Number
Multiples of 10
Module / System
Plant code clearly indicated
Commissioning
Alignment
Bearings
...
Follow logical sequence
Operation / Phase
Disassembly
Inspection
Refurbishment
...
Task Description
Detailed list
Step-by-step
Work Instruction Reference
Specifications
Standards
Torque Values
WI
Rigging Procedure
Welding Specification
Special Condition
...
Supporting Documentation
Checksheet Numbers
NDT Report Numbers
...
Lessons Learnt
Indicate "!" if added due to an incident
Technical Notification
Roles
Technician
Engineer
Quality Technician
Third Party
Customer
Overview
Working document
Step-by-step execution
Achieve quality standards
Logical sequence
Facilitate workflow
Single point of reference for all activities
Based on detailed SOW
Addendums
Cross referenced to original PQP
NOT hand-written in original PQP
Reference number & "/A
" where A
=next letter in alphabet
NDT activities
Separate rows for separate inspections
Separate rows for different methods
Checksheets
One row per page
Intervention Points
Technical Notifications
(240-94067752)
Responsibilities
Engineer
Compile TN
Submit to Customer for Approval
TN Register
PT
Keep copy for inclusion in Service Report
QT
Update PQP with TN number
Requirements
Unique traceable number
Plant item & description of out-of-normal condition
Recommendation to rectify
Reason for notification
...
Consequence
Work may continue on an item covered by a TN
May not remove / alter evidence
Final box-up or installation may NOT occur without
TN Closed out
Written concession by Customer