Kushnick | Pallaci PLLC Attorney At Law

Signs that a Building Has Been Structurally Compromised During Adjacent Construction

Signs that a Building Has Been Structurally Compromised During Adjacent Construction

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As cities grow and expand, construction projects are a common sight. New buildings, infrastructure, and developments spring up, revitalizing urban landscapes. However, while these projects bring progress, they can also pose risks to existing structures, especially when the construction occurs adjacent to established buildings. The vibrations, excavation, and nearby heavy machinery can potentially compromise the structural integrity of nearby buildings. In this blog post, we will explore the signs that indicate a building may have been structurally compromised during adjacent construction.

  1. Unusual Vibrations

One of the first signs that a building may be experiencing structural stress during adjacent construction is unusual vibrations. Heavy machinery, pile driving, and digging can create ground vibrations that propagate through the soil and nearby structures. If the vibrations are strong enough, they can cause cracks in walls, ceilings, and foundations, indicating potential structural damage.

Occupants of the building might feel mild tremors or notice objects rattling, especially on higher floors. If these vibrations persist and are unrelated to other natural causes such as earthquakes, it is crucial to investigate the cause and assess the building’s structural stability.

  1. Visible External Cracks

Cracks that appear suddenly on the exterior walls of a building are red flags of potential structural compromise. These cracks can manifest in different patterns and sizes, depending on the severity of the stress. Horizontal cracks, diagonal cracks, and stair-step cracks are common indicators of settlement or excessive movement within the building.

It’s essential to monitor the progression of these cracks. If they continue to widen or appear in different areas of the building, immediate action should be taken to assess the structural condition and implement necessary repairs.

  1. Uneven Floors and Settling

Adjacent construction activities can disturb the soil around a building’s foundation, leading to uneven settling. As a result, the floors may become uneven, causing doors and windows to jam or not close properly. This indicates that the building’s foundation might have shifted or settled unevenly, affecting its structural stability.

A professional structural assessment can determine the extent of settling and identify potential remedies to restore the building’s balance.

  1. Sagging or Bowing Walls

If walls inside the building appear to be sagging or bowing, it suggests significant structural distress. Bowing walls are a clear indication that the building’s lateral stability has been compromised, potentially due to external forces exerted by the adjacent construction.

Noticing such signs should prompt an immediate evacuation of the building until a thorough structural evaluation can be conducted by qualified engineers.

  1. Excessive Noise and Creaking

Construction-related stress on a building’s structure can cause it to produce excessive noise, such as creaking, popping, or groaning sounds. These noises may occur during or after construction activities and are often caused by the shifting of materials, joints, or connections within the building.

If occupants hear such sounds, it’s vital to seek professional advice to identify the source of the noise and assess the structural condition.

  1. Water Leakage and Plumbing Issues

Adjacent construction can lead to soil disturbance, which, in turn, can impact underground utility lines, including water supply and drainage systems. As a result, buildings may experience water leakage, sewage backup, or drainage issues, all of which can further weaken the structure.

The appearance of water stains, mold growth, or visible plumbing problems should raise concerns and necessitate a comprehensive inspection to ensure the building’s safety.


Adjacent construction projects can be a cause for concern for nearby buildings, as they may suffer from structural compromise due to ground vibrations, excavation, and heavy machinery. Recognizing the signs of structural distress, such as unusual vibrations, external cracks, uneven floors, sagging walls, excessive noise, and water leakage, is crucial for ensuring the safety of occupants and the long-term integrity of the building.

If you notice any of these signs during adjacent construction, it is vital to seek the assistance of professional engineers and consultants to conduct a thorough structural assessment and take appropriate measures to safeguard the building’s stability. Early detection and intervention can prevent further damage and ensure the continued safety of the building and its occupants.

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Kushnick | Pallaci PLLC Attorney At Law​

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