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The Framework

Tier Certification of Operational Sustainability

TCOS evaluates operational practices, management processes, staffing, maintenance, and planning to ensure continuous performance under normal operating conditions. It focuses on the people and processes behind reliable data center operations.

Maturity Recognition

Certification Levels

TCOS is a points-based assessment that recognizes organizations for their operational maturity and proactive planning across three distinct levels.

Bronze

Silver

Gold

Awarded to sites meeting minimum operational requirements for continuous operations.

Recognizes additional planning and operational practices beyond the minimum standards.

Achieves the highest standard through proactive planning, governance, and operational excellence.

Core Focus

Key Assessment Areas

01
02
03
04

Planning, Coordination & Management

Staffing & Organization

Training

Operating Conditions

Reviews staffing plans, staff qualification documentation, organizational structure, and escalation paths.

Assesses staff training programs related to Methods of Procedure (MOP), Standard Operating Procedures (SOP), and Emergency Operating Procedures (EOP).

Evaluates operating set points and facility load management practices to ensure stable, efficient, and reliable operations

Evaluates site policies, financial processes, reference libraries, documentation, and capacity management.

Close-up of a data center technician's hands adjusting controls on a complex electrical panel, crisp cool industrial lighting, sharp focus, 35mm lens
Close-up of a data center technician's hands adjusting controls on a complex electrical panel, crisp cool industrial lighting, sharp focus, 35mm lens
Structured operational binders and technical documentation stacked neatly on a metallic surface in a data center, cool fluorescent light, 35mm lens
Structured operational binders and technical documentation stacked neatly on a metallic surface in a data center, cool fluorescent light, 35mm lens
Wide-angle view of a pristine server aisle with blue and amber indicator lights, symmetrical, cool-toned industrial lighting, 35mm lens
Wide-angle view of a pristine server aisle with blue and amber indicator lights, symmetrical, cool-toned industrial lighting, 35mm lens
Operational Reliability

Why Operational Sustainability Is Important

Minimize Operational Risks

Identify and mitigate operational risks that could contribute to unplanned downtime, ensuring continuous operations.

Reduce Human Error

Establish consistent procedures, improve communication, and strengthen collaboration to reduce operational errors.

Continuous Improvement

Promote discipline, consistency, and adaptability to changing operational requirements for long-term excellence.

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Achieve Operational Excellence

Partner with an AOS-certified expert to verify your operational practices and secure a TCOS certification for your facility.