Overhaul, Shutdown & Turnaround Inspection Services
Service Introduction
Iran Standard and Quality Inspection Company (ISQI) provides comprehensive technical inspection, quality control, non-destructive testing, and specialized personnel supply services for Overhaul, Shutdown, and Turnaround projects of industrial units.
Overhaul and Shutdown activities, due to time constraints, the high volume of simultaneous activities, and the need to safely return equipment to service, require precise planning, specialized teams, and coordinated implementation of inspection processes. ISQI, utilizing its experience in industrial projects and specialized personnel, provides inspection services from the planning and preparation stage through the execution of operations, evaluation of results, control of repairs, and confirmation of equipment readiness for return to service.
Scope of Services
ISQI’s services in Overhaul, Shutdown, and Turnaround projects, according to the type of unit and equipment, include the following:
– Preparation and development of Inspection Scope and Shutdown inspection plan
– Review of inspection and maintenance records and equipment operating conditions
– Planning and coordination of inspection activities throughout the Shutdown
– Internal and external inspection of equipment after opening and preparation
– Inspection of static and process equipment
– Inspection of tanks and pressure equipment
– Inspection of heat exchangers and thermal equipment
– Inspection of pipelines and Piping systems
– Inspection of welds and repair locations
– Conducting and supervising non-destructive testing
– Thickness measurement and assessment of thickness reduction
– Identification and assessment of corrosion and other damage mechanisms
– Inspection and quality control of repairs and replacement of parts
– Review of compliance of repair operations with drawings, Specifications, and work procedures
– Witness and Hold Point Inspection in accordance with ITP
– Review of test results and maintenance records
– Control and completion of inspection documentation
– Punch List and follow-up on the resolution of inspection items
– Assessment of equipment condition after repair
– Cooperation in assessing equipment readiness for recommissioning
– Preparation of final inspection and Shutdown reports
Provision of Specialized Personnel
One of ISQI’s main services in Shutdown projects is the provision and deployment of specialized inspection teams according to the project volume and schedule.
These services may include the provision of:
– Mechanical Inspector
– Static Equipment Inspector
– Piping Inspector
– Welding Inspector
– NDT Inspector
– NDT Technicians
– Corrosion Inspector and Specialist
– Inspection Supervisor and Inspector
– Specialized experts for related equipment and processes
Specialized teams can be deployed at the project site on a limited, shift-based, daily, or continuous basis according to the Shutdown schedule and operate under the project management and control structure.
Non-Destructive and Specialized Testing
In Overhaul and Shutdown projects, according to the type of equipment and damage mechanisms, ISQI provides the capability to perform and manage various NDT methods, including:
– Visual Testing (VT)
– Ultrasonic Testing (UT)
– Thickness Measurement
– Magnetic Particle Testing (MT)
– Liquid Penetrant Testing (PT)
– Radiographic Testing (RT)
– Eddy Current Testing (ET)
– Phased Array Ultrasonic Testing (PAUT)
– Time of Flight Diffraction (TOFD)
– IRIS
– Pulsed Eddy Current (PEC)
– Magnetic Flux Leakage (MFL)
– Long Range Ultrasonic Testing (LRUT)
– Other specialized and Advanced NDT methods according to project requirements
Standards and Specialized References
Inspection services in Shutdown and Turnaround projects, according to the type of equipment and scope of activities, are performed based on the relevant technical standards and codes. Some of the references used include:
– API 510 – Pressure Vessel Inspection
– API 570 – Piping Inspection
– API 653 – Tank Inspection
– API 571 – Damage Mechanisms
– API 580 / API 581 – Risk-Based Inspection
– API 579-1 / ASME FFS-1 – Fitness-For-Service
– ASME BPVC
– ASME B31.3 – Process Piping
– Standards and codes related to NDT
– ITP, Inspection Procedures, Specifications, and the client’s specific standards
The selection of the inspection method, test scope, and acceptance criteria is determined based on the type of equipment, service conditions, equipment history, damage mechanisms, and project requirements.
ISQI Experience and Technical Knowledge
Successful execution of Shutdown projects requires the ability to simultaneously manage a high volume of inspection activities and coordinate among inspectors, maintenance personnel, operations units, NDT, and other project personnel.
ISQI, utilizing its operational experience, knowledge of specialized standards and codes, experienced experts and inspectors, and access to various NDT methods, provides inspection services for Overhaul and Shutdown projects of industrial units.
The capabilities of this section are based on:
Inspection Planning + Specialized Personnel + NDT & Advanced NDT + Control and Documentation
Selected Project Experience in Overhaul and Shutdown Projects
ISQI, utilizing specialized inspection and NDT teams, has participated in Overhaul and Shutdown projects of various industrial complexes. Some selected project experiences include:
– Shazand Petrochemical Company
– Imam Khomeini Oil Refinery (Shazand)
– Shahid Tondguyan Oil Refinery of Tehran
– Biston Petrochemical Company
– Tehran Refinery
– South Pars Refinery – Phase 13
Industries and Equipment Covered
ISQI’s Overhaul and Shutdown services can be provided for a wide range of industries and process units, including:
Industries:
Oil and gas, refineries, petrochemical industries, power plants, steel and mining industries, chemical industries, cement, and other process and manufacturing industries.
Equipment:
Storage tanks, pressure vessels, process equipment, heat exchangers, boilers, pipelines and Piping, rotating equipment, structures, and other equipment and facilities subject to Overhaul programs.
ISQI Approach
In Shutdown projects, time, accuracy, and coordination are key factors for success. ISQI’s approach is based on the systematic implementation of inspection activities, prioritization of activities based on risk, use of the appropriate inspection method, and rapid and accurate reporting of results.
The objective is to provide reliable technical information for decision-making regarding repair, replacement, continued operation, and the safe return of equipment to service within the framework of the project schedule.
Contact Number:02143904206
