Antenna Base Design Criteria

I need comprehensive design criteria for 13-exterior electrical racks and 13-30' to 50' tall antenna bases with concrete working pads at the base of the Electrical Racks. Requirements: - Install in industrial... (Budget: min $50 USD, Jobs: Antenna Design, Architectural Engineering, Building Design, Building Engineering, Civil Engineering, Construction, Construction Management, Electrical Engineering, Environmental Engineering, Structural Engineering)