Neighbors & Third Part
Construction activities such as blasting and piling are noticeable. They generate noise, vibrations, and air shocks.

It is natural for nearby residents and other affected parties to perceive this negatively and feel concerned about potential consequences. Noise can also contribute to mental health issues in people and disturb wildlife.

Projects do not only impact those who live nearby. New roads, for example, may be built under churches and museums or near factories, laboratories, and hospitals with sensitive equipment. The number of people categorized as third parties can be many times larger than the number of nearby residents.

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Communication between those working on the construction project and those affected is essential. Nitro Consult is often hired to conduct inspections and vibration measurements, as well as to facilitate communication between nearby residents/third parties and the project client.

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Pre- and Post-Inspection

Buildings and facilities within the risk area are inspected before and after blasting or any other vibration-generating construction work. This notification is usually sent by Nitro Consult via mail. The cost of the inspection is covered by the entity that commissioned the construction, i.e., the developer.

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Nitro Consult’s staff always carry a visible company ID. Anyone claiming to perform an inspection without a valid company ID should not be allowed entry. If any issues arise, contact Nitro Consult immediately.

 

During the pre-inspection, any existing defects in walls, floors, ceilings, tiles, etc., are documented in a report. A copy of this report is sent to the property owner or their representative. The report is then used as a reference for the post-inspection to determine if any changes have occurred. Sometimes, the inspection only covers the facade, but for a full inspection, Nitro Consult requires access to apartments and other premises in multi-family buildings, as well as all areas in single-family houses. It is preferable if a resident, relative, or neighbor is present. In apartment buildings, the property manager or the chairman of the housing association may sometimes accompany the inspection.

 

If the inspection involves pressure testing and there are masonry fireplaces, open fireplaces, or tiled stoves, access to the roof and attic is also required. If a ladder is needed, please have one ready.

 

Rescheduling the Inspection

In some cases, it is possible to reschedule the inspection. It is advisable to do this well in advance, as last-minute changes on the day of the inspection may not be feasible. The inspection notice includes the name of the relevant contact person. If you were not home when the inspection took place, contact the inspector to possibly arrange a new appointment.

 

Vibration Measurement

Vibration meters are usually installed on the buildings closest to the worksite. Before work begins, a risk analysis is typically conducted, including a measurement point plan and vibration limit values for each building. Not all buildings near a construction site will necessarily be measured.

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The vibration sensor on a residential building is usually installed in the foundation structure. A small hole, 8 millimeters in diameter, is drilled to insert an expander that securely holds the sensor. The hole is small and does not affect the building’s functionality.