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Structural calculations in Zaandam

Matching foundation information to the correct building part

Where can you find local information?

Zaandam is part of the municipality of Zaanstad. Records up to and including 1997 are accessed through the municipal archives; documents from 1998 use the municipal request route. For a foundation enquiry, ask specifically for structural attachments. A permit and floor plan do not automatically form a complete foundation record.

Gemeente ZaanstadView the official sourceSources reviewed on 3 October 2026. Check the source for the current request route and conditions.

Matching foundation information to the correct building part

A house and rear extension may have separate foundation records. Mark the part you want to change and identify any previous investigations. Send complete reports, including dates, investigation positions and attachments. An isolated conclusion without a location plan is difficult to interpret. The town name cannot establish a foundation type or repair method.

These points help you prepare. They are not an assessment of a particular property.

Foundations — concept detail, not for construction
Educational illustration; not a photograph or calculation for a local project.

Three actions to prepare your enquiry

  1. Ask for piling plans, foundation plans and existing investigations.
  2. Match every attachment to the correct building part.
  3. Document observed changes with dated photographs.

What scope fits your proposal?

Send the records you have found together with your proposed changes. We discuss the calculations, structural drawings and any additional information required. An archive record describes a documented situation; its correspondence with the current building needs assessment. The quotation defines the work and price.

Check permits and other consents separately for the project address. Our structural approval guarantee covers additions to our own documents within the agreed scope. The municipality decides on planning and permit approval.

Approval guarantee · Permits and municipalities
Continue preparing your project

Matching foundation information to the correct building part

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