Building a house on sand requires careful consideration of entities closely related to the project. The architect leads the design, while the structural engineer and geotechnical engineer ensure stability. The foundation system designer and soil stabilization specialists create a stable base. Supply chain partners provide essential materials. Regulatory authorities enforce building codes and approve land use plans. Other entities like contractors and material testing laboratories also play a role. Considering these entities enhances project success and mitigates risks associated with building on unstable foundations.