Instrumental monitoring of structural motion under vibration and seismic actions

Continuous monitoring, event traceability and decision-ready reporting for buildings and infrastructure — including bridges, tunnels, dams and hydrotechnical structures.

Web dashboard Event log & trends Periodic reports
TUVIL Sensor Unit by ILE
24/7
Reliability
Continuous monitoring with clear system health status and integrity checks.
100%
Traceability
Timestamped logs, exports and audit-friendly reporting for full accountability.
<1s
Decision-Ready
Structured reports and practical recommendations that drive informed action.
What TUVIL is

Measured data. Engineering
interpretation. Faster decisions.

We capture structural motion parameters in real operating conditions and during events, then convert signals into clear indicators, logs and structured reports that support owners, facility managers, engineers and experts.

Continuous Monitoring

Real-time acquisition and processing of structural motion data. Trends, baselines and system health tracked around the clock for complete operational awareness.

Event Intelligence

Every relevant event is captured, timestamped and interpreted. From routine vibrations to seismic episodes, each event becomes an actionable data point in the asset's history.

Where it applies

From everyday buildings to
critical infrastructure

Temporary or permanent deployment depending on purpose and project phase.

Residential, Commercial & Office

Towers, residential complexes, office buildings, shopping malls and mixed-use developments under operational or post-event monitoring.

Hospitals & Public

Sensitive occupancy structures where safety assurance and regulatory compliance are priorities.

Industrial Facilities

Production halls, vibration-sensitive equipment and heavy machinery foundations.

Bridges, Viaducts & Overpasses

Highway overpasses, railway bridges and pedestrian footbridges under traffic or environmental loading.

Tunnels & Underground Infrastructure

Road and railway tunnels, metro infrastructure and other underground structures requiring structural response monitoring.

Dams & Hydrotechnical Structures

Seismic and structural monitoring for dams and other hydrotechnical structures, in the configuration established by the specialist design.

Regulatory Framework

Instrumental seismic monitoring
is now a regulatory requirement

The latest Romanian regulations establish clear obligations for structural monitoring through instrumentation. TUVIL is designed to meet these requirements.

TUVIL — a system with a Romanian Technical Approval for Construction

The TUVIL procedure and equipment are covered by a valid Technical Approval for Construction (Agrement Tehnic în Construcții) in Romania. Complete documentation is provided to clients, designers and partners during the quotation and contracting process.

About the Technical Approval →
LEGEA NR. 169/2026
Monitoring, instrumentation and sanctions

Monitoring and instrumentation obligations

Special monitoring is established through the design for new CC3 and CC4 structures. For seismic monitoring, CC4 structures and CC3 structures located in areas with ag ≥ 0.35 g for earthquakes with a 475-year mean return interval are to be instrumented.

Art. 550 para. (10) and (14)

Sanctions for failure to comply

Failure to fulfil in-service structural behavior monitoring obligations for CC3 and CC4 structures is an administrative offence punishable by a fine of RON 20,000 to RON 50,000. A warning does not apply.

Art. 570 para. (1)(s), para. (2)(b) and para. (3)
P 130/2025 In force since July 2025

Monitoring of structural behavior during service

Defines two mandatory monitoring categories: operational monitoring (urmărire curentă) and special monitoring (urmărire specială) for all buildings and civil works.

The monitoring program is a mandatory chapter in the technical execution project, with instrumentation plans and risk analysis adapted to each asset.

Recommends vibration monitoring (including seismic) with sensors and processing units for detecting dangerous structural degradation.

Requires specialized equipment and qualified operators for instrumentation, with real-time data collection and continuous reporting.

P 100-1 / L212 Seismic design & risk reduction

Seismic instrumentation by importance class

I

Class I — Essential buildings (P100-1, Tabel 2.1): hospitals, emergency dispatch and ambulance stations, fire stations, power plants, water treatment and telecommunications facilities, civil protection buildings. All Class I buildings are instrumented with digital accelerometers (P100-1, Anexa A.4).

II

Class II — High occupancy buildings (P100-1, Tabel 2.1): schools, universities, nurseries, elderly care, shopping centres, large residential and office buildings, high-occupancy venues. Seismic instrumentation is mandatory for Class II buildings with total above-ground height > 45 m in zones with ag ≥ 0.25 g (P100-1/2013, Anexa A.4(1)).

Within the National Seismic Risk Reduction Program, seismic instrumentation with digital accelerometers is mandatory for public buildings over 15 m and for residential buildings above P+4E in zones with ag ≥ 0.20 g (Ord. 921/2024, Norme metodologice L212/2022).

NP 015-2022 — Normative for hospital construction, Chapter 5.2 „Mechanical resistance and stability", art. 5.2.(27): hospital buildings in Class I or Class II importance-exposure shall be equipped with digital accelerometers for seismic instrumentation.

References: Legea nr. 169/2026 (art. 550 and 570) · P 130-2025 (MO 568 bis/19.06.2025) · P 100-1/2013 with amendments (Ord. 2956/2019) · Legea 212/2022 (art. 4) · Ord. 921/2024 (Norme metodologice) · NP 015-2022 · HG 1442/2022.

Monitoring Types

Routine and special monitoring services
for structures in operation

We provide both routine and special monitoring services for structures in operation. Within special monitoring, we also deliver instrumental monitoring of the structural response, tailored to the structure and the client’s technical objectives.

Routine monitoring in operation

1

Periodic inspections and assessment of structural behavior under normal operating conditions.

2

Documented findings regarding degradation, nonconformities, and relevant changes occurring over time.

3

Periodic reports and technical recommendations for owners, operators, and other stakeholders.

4

Determination of the need for further investigations, expert assessment, or special monitoring measures.

Special monitoring in operation

1

Dedicated programs for structures requiring enhanced supervision of behavior during operation.

2

Instrumental monitoring of the structural response, including measurement and recording.

3

Technical analysis of events, threshold exceedances, and relevant changes in structural behavior.

4

Engineering reports, expert interpretation, and recommendations on required measures.

Solutions

Choose the monitoring level
that matches your asset

Seismic

TUVIL Seismic

Reliable and clear instrumental monitoring for operations and risk management. Complete visibility into structural motion with standardized reporting and traceability across your portfolio.

What's included
1

Continuous seismic and ambient vibration monitoring

2

Web dashboard with history, comparisons and exports

3

Timestamped event log and system integrity status

4

Configurable notifications for events and system health

5

Standardized periodic reports for stakeholders

6

Event reports for exceedances and relevant episodes

7

Scalable deployment across single or multi-site portfolios

Outcome

Clear visibility, full traceability and decision-ready reporting for every stakeholder.

Ideal for standard buildings, portfolios and operational monitoring.

Seismic +

TUVIL Seismic+

Premium instrumental monitoring with microtremor recording, operational modal analysis and advanced structural investigation capabilities. Depending on the configuration and available data, the TUVIL platform can correlate structural response in time, frequency and space, while engineers interpret the results in the context of the asset.

Everything in Seismic, plus
1

Microtremor and low-amplitude ambient vibration recording

2

Improved long-term stability and robustness to environmental variation

3

Extended dynamic range across very different event amplitudes

4

Operational modal analysis — natural frequencies, mode shapes and damping from ambient data

5

Multi-point correlation for structural identification and behavioral tracking over time

6

Extended event reporting with advanced analysis and engineering recommendations

7

Dedicated campaign support for retrofits and nearby construction works

Outcome

Higher confidence at low motion levels, deeper insight during events and richer engineering interpretation.

Ideal for tall or essential-function buildings, hospitals and outpatient facilities, bridges, tunnels, dams and hydrotechnical structures, heritage buildings and advanced investigations.

Explore the TUVIL system →
Process

From deployment to reports

1

Deploy

Installation, commissioning and quality validation.

2

Acquire

Continuous data acquisition from the monitoring system.

3

Process

Signal processing, indicator computation and secure archiving.

4

Visualize

Dashboard access with trends, events and exports.

5

Report

Periodic reports, event reports and recommendations.

Deliverables

What you receive

Platform Outputs

1.

Web access to dashboards per asset and portfolio

2.

Exportable event log with timestamps and categorization

3.

Trend visualizations, comparisons and data exports

Reporting Outputs

1.

Periodic reports in a consistent, stakeholder-friendly format

2.

Event reports with extended depth available in Seismic+

3.

Executive summaries and actionable recommendations

FAQ

Common questions

Does TUVIL have a Technical Approval for Construction in Romania?

The TUVIL procedure and equipment are covered by a valid Technical Approval for Construction in Romania. Complete documentation is provided to clients, designers and partners during the quotation and contracting process.

What types of structures can TUVIL monitor?

TUVIL can be used to monitor residential, commercial and healthcare buildings, heritage buildings, bridges, viaducts and overpasses, tunnels and underground structures, dams and hydrotechnical structures, towers, industrial structures and large-span structures. The system configuration and monitoring programme are defined for each asset according to project requirements.

What is the difference between TUVIL Seismic and TUVIL Seismic+?

TUVIL Seismic provides continuous monitoring, event traceability and standardised reporting. TUVIL Seismic+ extends engineering interpretation with low-amplitude recordings and operational modal analysis for assets and investigations with advanced requirements.

Can the system support both permanent and temporary deployments?

Yes. Permanent installations support long-term operational monitoring. Temporary campaigns can support intervention assessment, before-and-after comparison and time-limited investigations.

What happens if connectivity is interrupted?

The system is designed to support recording continuity and data synchronisation after connectivity is restored. Exact behaviour depends on the asset configuration and is verified during commissioning.

How are data accessed and delivered?

Clients access a secure web dashboard with visualisations, event history, trends and exports. Periodic and event-related reports are delivered as structured engineering documents.

View all frequently asked questions →
The Hardware

The TUVIL system

A monitoring system designed and assembled in Romania by Ionescu Lupeanu Engineering S.R.L., intended for continuous monitoring and structured reporting for buildings and infrastructure.

The TUVIL monitoring system
Get in touch

Let's discuss your
monitoring objectives

Share your building or infrastructure details and monitoring intent. We respond with a deployment concept, deliverables and implementation steps.

Email[email protected]
Phone+40 744 604 149

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