Operation Readiness
Keeping plant systems running through shutdown support, calibration & preventive maintenance.
10-Year Active Term Contract with Shell (Sabah/Sarawak) | CIDB G4.
The PISB Approach
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Keeping Facilities Running & Ready For Operation
Plant systems need to stay reliable between major projects, through shutdowns, equipment servicing, calibration checks, and the day-to-day facility upkeep that keeps operations from grinding to a halt.
Pure Integrity supports operators with hands-on operation readiness work, from shutdown maintenance and HVAC/utility installation to instrument calibration and electrical thermography, helping facilities stay safe, compliant, and ready to run.
The Process
How We Support Plant Readiness & Uptime
We assess the equipment, systems, and readiness requirements involved — whether that’s a scheduled shutdown, a calibration cycle, or a facility upgrade — and plan the works around minimising disruption to operations.
Our field teams then carry out the maintenance, installation, or inspection work directly on-site, with follow-up support to confirm systems are functioning and ready for continued operation.
Problem We Solve
Unplanned Downtime Risk
We support scheduled shutdown maintenance to reduce the risk of unexpected failures.
Ageing Or Unreliable Utility Systems
We service and upgrade HVAC, electrical & water systems that keep facilities running.
Calibration & Compliance Gaps
We carry out instrument calibration to help facilities stay within compliance requirements.
Delayed Facility Upgrades
We deliver installation works quickly to minimise disruption to ongoing operations.
Limited In-House Maintenance Capacity
We supplement internal teams with hands-on field support when it’s needed most.
Undetected Electrical Faults
We use thermography to identify hot-spots and prevent failures before they occur.
Benefits
Operation readiness support helps organisations stay reliable, stay compliant, and stay running.
Reduced risk of unplanned shutdowns & equipment failure
Reliable utility systems (HVAC, electrical, water) supporting daily operations
Improved compliance through regular instrument calibration
Early fault detection through thermography & inspection
Faster turnaround on facility upgrades & installations
Reduced burden on internal maintenance teams
Supports safe, continuous plant operation
Why Us?
Pure Integrity provides hands-on, preventive facility support for operators who can’t afford downtime.
Proven Facility Maintenance Track Record
We’ve delivered shutdown maintenance, calibration & installation works for Aspac Lubricants, Shimadzu, and Calreno.
Multidisciplinary Field Capability
Our teams cover mechanical, electrical & utility systems under one point of contact.
Preventive & Predictive Maintenance Expertise
We use thermography and calibration to catch issues before they cause failures.
Minimal Disruption Approach
We plan works around your operating schedule to reduce downtime.
Responsive Field Support
We mobilise quickly for urgent maintenance or readiness needs.
Deliverables
Shutdown maintenance planning & execution
HVAC & utility system installation
Instrument & pressure gauge calibration
Electrical thermography reports
Preventive maintenance servicing
Facility upgrade & installation works
Readiness inspection & sign-off support
Maintenance close-out report
Johan Andak is a process safety and operations specialist with decades of experience in the oil and gas, petrochemical, and energy sectors. As Managing Director of Pure Integrity, he provides strategic and technical leadership in process safety, functional safety, and risk assessment, supporting major projects across Southeast Asia, the North Sea, West Africa, Brazil, and Australasia.
Education & Certificate

Bachelor’s Degree in Chemical Engineering
Universiti Teknologi PETRONAS (UTP) Certificate

Certified Functional Safety Engineer
(Safety Instrumented Systems) TÜV Rheinland
FAQ
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What is operation readiness support?
It's hands-on maintenance, calibration, and installation work that keeps facility systems reliable and ready for continued operation.
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Does Pure Integrity handle shutdown maintenance?
Yes. We support planned shutdown maintenance to reduce the risk of unplanned failures.
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Can you calibrate instruments on-site?
Yes. We carry out on-site calibration, including pressure gauge calibration, as part of our readiness support.
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Do you install or upgrade utility systems?
Yes. We install and upgrade HVAC, electrical, and water/utility systems for industrial facilities.
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What is electrical thermography used for?
Thermography identifies electrical hot-spots to detect potential faults before they cause equipment failure.
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Which industries do you support?
We've delivered operation readiness work for lubricant, aviation, electronics, and general industrial facilities.
Who We Work With
We have worked closely with many local and multi-national companies in Malaysia as well as overseas to fulfill their specific needs. Through close collaboration we have helped clients deliver safer, more reliable, and cost effective operations.









































Strengthen Your Plant Readiness
Work with Pure Integrity to reduce downtime risk, keep utility systems reliable & stay ready for continued operation.
TUV Rheinland Partner | CIDB G4 Registered | HRD Corp Accredited