With an unprecedented growth in commercial development, commercial construction can often pose a threat to the surrounding structures. This is especially true in urban environments where high-rise buildings are being erected in close proximity to existing buildings. These closely spaced buildings, however, have magnified the potential for construction-induced vibration damage and claims, particularly from demolition and specific construction activities. It is common for construction work to generate vibration complaints from neighbouring residents and building owners. Therefore, it is emphatic to actively monitor and analyze the impact of construction vibration on adjacent and nearby structures.
What is Vibration Monitoring?
Vibration monitoring uses state-of-the-art seismographic equipment to detect and record ground movements caused by construction or demolition activities. As seismic waves travel out from a vibration source, individual soil or rock particles move back and forth over very small distances. The maximum velocity at which these particles move is defined as the peak particle velocity (PPV). In addition to the PPV, the duration of vibrations is also measured.
Qsafe Instrument Systems Pte Ltd offers a fully wireless construction vibration monitoring system on purchase basis or on rent. The vibration monitoring system offers easy installation and remote access from any device or location.
Vibration monitoring during construction:
Construction activities are prone to producing ground vibration at varying levels, which sweep through the ground and may negatively impact neighbouring properties, buildings and their residents.
The main concerns include:
- Probability of causing damage to property
- Potential of causing annoyance to people in nearby properties and buildings
Construction projects generally stipulate remote monitoring in consonance with project requirement and guidelines to avoid damage and annoyance, and to exhibit due concern for safety measures on-site. The construction activities which, in general, generate severe vibration levels are blasting and impact pile driving. Other sources of ground vibration on construction sites include pile-driving, vibratory compaction, demolition, drilling and excavation.
Most Susceptibility to Damage
The neighbouring ecologically fragile buildings and structures such as historical buildings, gas pipes, oil pipelines and cast iron water mains are easily prone to damage as a result of ground vibrations.
Live Construction Vibration Data – Anytime, Any Device
This device is capable of monitoring vibration levels from multiple construction sites on a single platform. Our Vibration monitoring web portal is easily accessible from any smart phone, tablet, laptop or PC.
From the vibration web portal, all system settings including sampling, reporting periods and geophone thresholds, manage user accounts, view raw data, visualise data in graph format or download the data for external use can be duly managed.
Email and SMS Trigger Alarms
There is a secure provision of instant email and SMS alerts when alarm thresholds are triggered so that important people on the construction site can be alerted well in time about potentially dangerous vibration levels, fostering urgent remedial action required to minimise vibration impact on neighbouring building/s.
Administrators can decide or manage the recipients of the alerts by email and SMS accordingly warranting required decision by the concerned persons in real time, before the vibrations can cause real damage.
Features and Benefits
Our Real-Time Vibration monitoring system was designed for use on construction sites to provide contractors, managers and engineers with the information they need in real time, allowing them to manage the vibration impacts on neighbouring properties. Given below are its main features and benefits:
- Control system settings online via QSIS Web Portal
- Manage alarm thresholds online via QSIS Web Portal
- Real-Time GPS location tracker in Google map
- Quick email and SMS alerts when vibration levels reach alarm thresholds
- Input for up to tri-axial geophone sensors
- View/Download Vibration Data & Graphical Report
- Equipped with integrated Solar Panel, Power Supply and Battery
- Weather proof enclosure with Lock
- Easy installation
- Lessens the number of visits onsite due to online managing and monitoring of data
- Enhanced assiduity with independent storage of data, impervious to editing
- Full security measures for data protection
- Applications
- Construction Vibration Monitoring
- Ground Vibration Monitoring
- Piling Vibration Monitoring
- Building Vibration Monitoring
- Demolition Vibration Monitoring
- Sound Level Meter