National Survey & Engineering, a division of Brookfield-based civil engineering, planning surveying, landscape architecture and consulting firm R.A. Smith & Associates Inc., is providing pro bono services for an 1,800-square-foot planned activities and office building at the 64-acre site of Blue Lotus Farm and Retreat Center in Newburg, which is the Metropolitan Builders Association’s (MBA) 2007 philanthropic project. National Survey & Engineering is providing visualization, landscape architectural and surveying services for the project. The Blue Lotus Farm and Retreat Center offers a peaceful, private, natural setting ideal for group outings for those with special needs or for self-facilitated healing workshops and seminars. The project is expected to be completed in June.