AACE Methodology
The four KAPEX Estimate Classes
An estimate is not worth what it costs to prepare. It is worth what was known about the project when it was prepared. A…
Equipment Costs
Rest in Peace, Hand Factors (1958–2026)
The equipment-factor method served estimators faithfully for almost seven decades. It has earned its retirement — and Kpex’s ISBL tool is the reason why.
General
The Kpex Cost Index
A next-generation plant cost index — same rigorous methodology as the established benchmarks, but automated from the primary public sources and refreshed monthly, without…
General
Where a Cost Curve Comes From
Every estimator eventually asks where a parametric cost number actually comes from. This article takes a cost curve apart: how a sample of real…
General
Module Z: the calibration layer behind every Kpex estimate
Labor rates, location and time-adjustment indices, and a full set of project assessment tools, integrated into a single ecosystem. This is what sits behind…
AACE Methodology
Kpex · Module C: A Cost Model for Every Facility, in One Platform
Module C is the only place an estimator can put a credible, defensible number on a refinery, a rail line, a hospital, a solar…
AACE Methodology
Kpex Exchange: The Intelligence Flywheel
How a closed-loop data architecture connecting estimators, vendors, and executed project cost data is redefining cost intelligence infrastructure for the global capital project industry.
General
The Intelligence Behind Every Cost Estimate
In every estimate — regardless of class — there is a moment where the quotes run out. A vendor hasn't responded. A specialty item…
AACE Methodology
Class 3 vs. Class 2: The FID Line That Transforms Your CAPEX Estimate
A Class 3 and a Class 2 estimate are not just different levels of accuracy — they operate in fundamentally different data environments. The…
General
The Future of Capital Cost Intelligence Is Almost Here
The upcoming launch of Kpex represents more than the release of a new software platform. It represents the emergence of a new approach to…
General
The KPEX Ecosystem: From First-Generation Estimating to a Connected Cost Intelligence Network
The capital project industry is shifting from spreadsheets to integrated platforms and fully connected KPEX ecosystems. This transformation is redefining how cost estimates are…
AACE Methodology
Class 1 Cost Estimate: Definitive Estimate for Bid, Tender and Claims
Class 1 is the gold standard of cost estimation — prepared when the project is fully defined, all vendor quotes are received, and every…
AACE Methodology
Class 2 Cost Estimate: Control Estimate with Resource-Loaded WBS
The Class 2 estimate is the cost baseline for project control — built on detailed quantities, market labor rates, and equipment rental data. This…
AACE Methodology
Class 3 Cost Estimate: Budget Estimate with Four-Level WBS
The Class 3 estimate is where most capital project decisions are made — it's the "approved budget" number that management carries into execution. Get…
AACE Methodology
Class 4 Cost Estimate: Study Estimate with Equipment-Factor Methods
Moving beyond screening to the first equipment-based estimate: Class 4 uses your equipment list and proven factoring methods to produce a project cost within…
AACE Methodology
Class 5 Cost Estimate: Order-of-Magnitude Using Cost Curves
The fastest estimate you can produce — and the one most likely to shape a billion-dollar decision. Learn how Class 5 power-law cost curves…
AACE Methodology
BENCHMARKING DE COSTOS DE PROYECTOS ⇔ ESTIMACIÓN DE COSTOS DE PROYECTOS
Equipment Costs
Cost models for CO2 capture, liquefaction and shipping.
General
Process Plant Cost Databases, Cost Normalization, and AI-Driven Predictive Analytics
General
6 Reasons to Choose Outsourcing Cost Estimating Services
By delegating cost estimating to trusted professionals, your internal team can stay focused on core business priorities—engineering innovation, project delivery, and client satisfaction.
General
About Kpex Cost Estimating Tool
Kpex Database is a specialized, high-value resource designed to empower project cost estimators with reliable, structured, and detailed cost information for process plant components.
General
KPEX is backed by an elite team of cost engineers.
Cost models validated by experts and are not merely theoretical formulas.
General
Redefining Cost Engineering Excellence in a Data-Driven World
What separates top-performing cost engineering teams from the rest? We examine the competencies, tools and culture that define excellence in modern project cost management.
Equipment Costs
Carbon Capture Is Not the Challenge — Cost Certainty Is
Carbon capture is moving from pilot to commercial scale. We examine the cost drivers, equipment families and benchmarking metrics that define CAPEX for CO2…