I need an AutoCAD LISP program to design precast structures for drainage and sanitary systems. The program should specifically design manholes and catch basins, and generate detailed reports as outputs. Key Requirements: - Design drainage systems, specifically manholes and catch basins - Generate detailed design reports - AutoCAD proficiency is essential - Experience with LISP programming and drainage design is preferred Your expertise will help streamline our drainage design process. Please share relevant experience in your bids.