CMMI
Framework for process maturity and organizational capability improvement
EN 1090
EU standard for steel and aluminium structural execution.
Quick Verdict
CMMI drives voluntary process maturity for predictable software/IT delivery globally, while EN 1090 mandates CE marking for structural steel/aluminium in EU construction. Companies adopt CMMI for performance gains; EN 1090 for legal market access.
CMMI
Capability Maturity Model Integration (CMMI)
Key Features
- Staged maturity levels (0-5) for organizational process progression
- 25 Practice Areas in Doing, Managing, Enabling, Improving categories
- SCAMPI appraisals enabling official benchmark maturity ratings
- Generic practices ensuring process institutionalization and sustainment
- Agile/DevOps integration with tailored, performance-focused practices
EN 1090
EN 1090 Execution of steel and aluminium structures
Key Features
- Risk-based Execution Classes (EXC1-EXC4)
- Factory Production Control (FPC) certification
- CE marking and Declaration of Performance
- Welding quality management via ISO 3834
- Material traceability and NDT inspection
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
CMMI Details
What It Is
Capability Maturity Model Integration (CMMI) is a performance improvement framework for process institutionalization. Primarily a certification model governed by ISACA's CMMI Institute, it focuses on software development, services, and acquisition. Its maturity-based approach progresses organizations from ad-hoc to optimizing processes via levels 0-5.
Key Components
- **4 Category AreasDoing, Managing, Enabling, Improving.
- 25 Practice Areas (v2.0) like Requirements Development, Configuration Management, Causal Analysis.
- Generic practices for institutionalization (policy, planning, monitoring).
- Staged/continuous representations with SCAMPI appraisals for validation.
Why Organizations Use It
- Enhances predictability, reduces rework (up to 50% gains).
- Meets contractual requirements in defense, regulated sectors.
- Builds stakeholder trust via benchmark ratings.
- Drives ROI through data-driven optimization.
Implementation Overview
- Phased: assessment, piloting, training, appraisal.
- Applies to mid-large organizations in IT/software.
- Involves gap analysis, pilots, SCAMPI Class A/B/C. Requires executive sponsorship, tools for evidence.
EN 1090 Details
What It Is
EN 1090 is the European harmonized standard family (EN 1090-1, -2, -3) for conformity assessment and execution of structural steel and aluminium components. It implements CPR requirements for CE marking of load-bearing parts in construction. Primary scope covers fabrication, assembly, and risk-based controls via Execution Classes (EXC1-4).
Key Components
- **Factory Production Control (FPC)Certified system for traceability, inspection, welding.
- Technical rules in **EN 1090-2/3Materials, tolerances, corrosion protection, NDT.
- DoP and CE marking supported by Notified Body audits.
- Built on ISO 3834 welding quality; AVCP systems for certification.
Why Organizations Use It
- Mandatory for EU/EEA market access and legal compliance.
- Mitigates failure risks, ensures liability protection.
- Enables high-consequence projects, boosts competitiveness.
- Builds stakeholder trust through certified quality.
Implementation Overview
Phased: Gap analysis, FPC development, personnel training, NB certification, surveillance. Targets fabricators in construction; 6-12 months typical, with ongoing audits.
Key Differences
| Aspect | CMMI | EN 1090 |
|---|---|---|
| Scope | Process improvement across development, services, acquisition | Execution of steel/aluminium structural components |
| Industry | Software, IT, defense, global cross-industry | Construction, fabrication, EU/EEA focused |
| Nature | Voluntary performance framework with appraisals | Mandatory harmonized standard for CE marking |
| Testing | SCAMPI appraisals by certified appraisers | FPC certification and surveillance by Notified Bodies |
| Penalties | Loss of certification, no legal penalties | Market exclusion, fines, legal liability |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about CMMI and EN 1090
CMMI FAQ
EN 1090 FAQ
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