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BellMont Blog

Dysfunctional Foundation

30/1/2020

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As a building ages, it is inevitable that it's wrinkles will show. And by wrinkles, I mean deterioration. One of the most commons signs of old age is cracking. In this example, we see extensive cracking caused by a foundation shift. This shift can be triggered by many things such as inconsistent moisture levels in soil, tree roots or poor drainage. Check out the aftermath of a dysfunctional foundation...
​Suburb: CANLEY VALE
Date: 30/01/20
Project: Bellmont Façade Engineering was engaged to provide an expert opinion on building defects on a property located in Canley Vale. 

​
Picture
Cracking of vermiculite along roof and corners as well as evidence of water ingress along wall face
There are 13 units within this property. They all showed signs of aging, each with building defects. Some more than others. Issues present include;
  • Brick façade cracking
  • Poor drainage
  • Foundational soils shifting causing cracks and water ingress, compromising structural integrity
  • Extensive render delamination within some units
We concluded that the most likely cause of internal and external cracking throughout the complex is due to swelling and collapsing soils resulting in some washout of foundation soils, possibly arising from failed or cracked storm water pipes and/or natural flows of surface water.
All units are identical in construction and units with parallel front doors mirror internally
Cracking along underside of cornices.
Cracking along vermiculite showing attempts of sealing using silicone
Extensive delamination of render within living room.
Major horizontal cracking within upstairs bedroom.
Multiple areas of cacking on concrete slab in backyard extending across entire slab.
​
Recommendation:
  • Underpinning works will be required to prevent further movement/separation.
  • Delaminating render MUST be repaired.
  • Investigate the delaminating wall cladding of the living room wall of units and repair brick or render if cracks are evident.
  • We would recommend the cleaning and painting of eaves in order to cost efficiently upgrade the appearance of the building.
 
Status: Currently in tender stage of project.

Does your property have similar building defects? Do you have cracks in the ceiling or on the walls? Call us out for an inspection today. 
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  • Services
    • Civil and Structural Engineering
    • Heritage Buildings
    • Expert Witness Services
    • Waterproofing
    • Concrete Repair Investigations
    • Project Management
    • Rope Access
  • Our Team
  • Case Studies
    • Facade Case Studies >
      • Ramsgate Avenue, Bondi
      • Marrickville Road, Marrickville
      • Darling Point
    • Heritage Buildings Case Studies >
      • Chinatown Gate Refurbishment
      • St Sophia Church
      • Holy Trinity Greek Orthodox Church
      • Fortune of War Hotel
      • Spectacle Island
      • Chandos Street
    • Waterproofing Case Studies >
      • Anderson Street, Neutral Bay
      • Church Avenue, Mascot
      • Carlton Crescent, Summer Hill
    • Structural Case Studies >
      • King Street Wharf
      • Rockwall Apartments, Potts Point
      • Kirribilli Ave
  • Bellmont Blog
  • Contact us
  • Accreditations and Suppliers