Foundation (engineering)
Foundations are designed to have an adequate load capacity depending on the type of subsoil/rock supporting the foundation by a geotechnical engineer, and the footing itself may be designed structurally by a structural engineer. The primary design concerns are settlement and bearing capacity. When considering settlement, total settlement and differential settlement is normally considered. Differential settlement is when one part of a foundation settles more than another part. This can cause problems to the structure which the foundation is supporting. Expansive clay soils can also cause problems.
Foundation (nonprofit)
The law does not prescribe any particular form for a foundation in Ireland. Most commonly, foundations are companies limited by guarantee or trusts. A foundation can obtain a charity registration number from the Revenue Commissioners for obtaining tax relief as far as they can be considered under the law on charity, however, charitable status does not exist in Ireland. The definition usually applied is that from the Pemsel Case of English jurisprudence (1891) and the Irish Income Tax Act 1967.
Trusts have no legal personality and companies acquire their legal status through the Company law and the required documents of incorporation. Foundations are not required to register with any public authority.