Asset Lifecycle
Definition
The complete span of an asset's existence from initial conception through design, procurement, construction, commissioning, operation, maintenance, modification, and eventual decommissioning and disposal. Asset lifecycle management optimizes the total cost of ownership by making informed decisions at each stage that consider the full remaining lifecycle, not just the immediate cost.
Context
Lifecycle thinking is fundamental to ISO 55000 asset management. Decisions made early in the lifecycle (design, material selection) have the largest impact on total lifecycle cost. In Reliatic, the asset lifecycle stage is tracked to provide context for integrity decisions — a new asset in its first year requires different attention than a 30-year-old asset approaching end of life.
Examples
- Lifecycle cost analysis for a heat exchanger: initial capital $500K, 30 years of inspection and maintenance $1.2M, one re-tube $300K, final disposal $50K = total lifecycle cost $2.05M — revealing that O&M costs are 2.4x the initial capital.
- An asset nearing end-of-life triggers enhanced inspection frequency and a replacement planning workflow in Reliatic to ensure orderly transition.
Applicable Standards
- ISO 55000:2014
- ISO 55002:2018
Related Terms
A physical item of plant, equipment, or infrastructure that has value to an organization and is subject to management decisions regarding its acquisition, operation, maintenance, modification, and disposal. In asset integrity management, assets include pressure vessels, piping systems, storage tanks, rotating equipment, structural components, electrical equipment, and instrumentation systems. Each asset has an identity, a defined function, and documented attributes.
Remaining Useful Life(RUL)The estimated time from the present until an equipment item reaches a condition where it can no longer perform its intended function safely and must be repaired, replaced, or retired. For static equipment, RUL is typically calculated from the current measured wall thickness, the minimum required thickness, and the corrosion rate. For rotating equipment, RUL may be estimated from degradation models fitted to condition monitoring data.
End of Life(EOL)The point at which an asset can no longer perform its intended function safely, economically, or in compliance with applicable standards, and must be decommissioned, replaced, or substantially rehabilitated. End of life may be determined by physical degradation (wall thickness below minimum), obsolescence (spare parts unavailable), regulatory changes, or economic factors (repair cost exceeds replacement cost).
ISO 55000Asset Management standard — provides an overview, principles, and terminology for the management of physical assets. It establishes that asset management is a coordinated activity to realize value from assets, balancing cost, risk, opportunity, and performance over the entire lifecycle. ISO 55001 specifies requirements for an asset management system.
Fitness-for-Service(FFS)An engineering assessment methodology used to determine whether equipment with identified flaws, damage, or degradation can continue to operate safely and reliably for a defined future period. FFS evaluations quantify the remaining structural capacity of degraded equipment using the procedures in API 579-1/ASME FFS-1, considering the specific type and extent of damage relative to the design margins.
Where this appears in Reliatic
This concept is used in the Asset Register module.