In this video, we explain the pipe size, plate thickness, welding technique, concrete foundation, and installation tips for maximum strength and stability. allation by Solar Foundations USA®, Inc. In the event of a conflict between this manual and any code, the installer shall contact Solar F undations USA® supplied/specified. Please read this manual carefully before installing the system and carry out the installation procedures correctly. This manual does not list all precautions needed for safe work. Be sure to follow OSHA guidelines. This manual provides guidelines for installation, but it does not guarantee the. It is the installer's responsibility to determine the foundation parameters based on local site conditions, such as wind speed, snow load, soil type, It is exposure the installer's category, responsibility to determine the foundation parameters based etc. Space requirements and layout for photovoltaic and solar water heating system components should be taken into account early in the design. foundation using the engineering software program spMats.