Nissen Consulting  has formal qualifications in architecture building construction, 30 years experience in waterproofing and building maintenance both here and overseas.

Peter Ralf is the principal of Nissen consulting with the qualifications including the following.

NSW DFT waterproofing licence
Chartered architect in Germany
CLT Timber technology 
Corrosion protection certificate

 
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Barangaroo Sydney, I provided
architectural engineering and
waterproofing expertise for
Lend Lease for this project. Projects in Australia and overseas.
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Newtown
Waterproofing
Advice & Reports

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Alexandris
Waterproofing
Advice & Reports

 

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Parramatta PS & High School
Waterproofing
Advice & Reports

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Sub grade
Waterproofing
Advice & Reports