EscaTEQ Method™ — Case Study A
RET Rotterdam
Facility
Transit Hub
Escalators
150 indoor
Operating
~14 hrs/day
Traffic
~100.000 riders/day
Executive Summary
• Environment: Class A Transit Hub (~100.000 riders/day)
• Scope: 150 escalators
• Starting Condition: Class A (Heavily Neglected)
• Method: EscaTEQ Method™ (low-moisture, surface-only)
• Outcome: Reduction in visible surface contamination following documented cleaning sequences.
Photo Documentation
Before Cleaning – Class A surface condition
(22-04-2026)
After Cleaning – Post-cleaning condition after 35 cleaning sequences (22-04-2026)
Cleaning Sequences Executed
35
Traffic Classification
High-traffic transit environment (≈100.000 riders/day)
Active Cleaning Duration
Approx. 30 min
Suggested Frequency (Traffic-Based)
Daily
Liquid Usage
~2 L / escalator
Actual Site Frequency
Once every 2 years
Pads
8 / escalator
Condition
Class A
Condition Assessment
Observed surface contamination consistent with Class A at time of service.
Contamination type: High contamination accumulation with embedded debris and grease presence.
Observed groove contamination and compacted particulate presence across tread grooves.
Step definition visibility remained visible across the full width despite heavy contamination accumulation.
Overall condition statement: high contamination, heavy compaction, deep embedding, and clear step definition.
Frequency Position
EscaTEQ Method™ recommended operational starting point for this traffic profile: Daily.
Actual site-applied frequency: every 2 years.
No condition escalation was observed during the review period.
Final frequency should remain subject to contamination rate, facility profile, OEM guidance, and engineering or maintenance-provider review.
Work Performed
Method: EscaTEQ Method™
Application type: surface-only, low-moisture cleaning applied only to exposed step surfaces.
Operator configuration: single operator.
Approximate cleaning duration may vary depending on escalator length and operating speed.
Observed Outcome
Reduction in visible surface soil was observed.
Observed surface condition remained operationally stable during the review period.
No operational disruption was noted within the documented review period.
No condition escalation was observed during the review period.
Outcome Narrative
Observed condition remained stable during the review period using documented operational resource input. The site-applied frequency was every 2 years, while the EscaTEQ Method™ recommended operational starting point for this traffic profile is daily. No condition escalation was observed. Preventive surface-cleaning frequency should remain subject to contamination rate, facility profile, OEM guidance, and consultant judgment.
Lessons Learned
- Higher operational resource input was associated with the observed contamination level and applied cleaning scope.
- Extended cleaning intervals may contribute to increased contamination accumulation in high-traffic environments.
- Preventive surface-cleaning frequency should remain site-specific and subject to engineering or maintenance-provider review.
Observations in this case study are based on internal operational records, site conditions, and photographic evidence for the referenced period. This case study describes site-specific outcomes and should not be interpreted as a universal performance claim.