Inverter and Battery Mount Design

Draw plan for permit submission. Must calculate loads for a structural design for mounting an inverter and batteries (documents provided). The proposed structure consists of 2 inch schedule 40 galvanized steel pipes set in concrete in the ground with Superstrut slotted struts horizontally bolted to the pipes to support the weight of the inverter and batteries bolted to the struts. This is an outdoor project in Southern California. An engineering wet stamp must be available if needed.