CSI is the construction community's authority on communication and construction documentation. Through CSI's Certification Program, you can develop a conceptual understanding of the entire construction process, and concrete skills in:
- Construction documentation development and administration
- Specification writing and enforcement
- Product research and sourcing
- Communication with the design and contracting teams
CSI's Construction Documents Technologist (CDT) certificate is a prerequisite to CSI's advanced Certifications: Certified Construction Contract Administrator (CCCA); Certified Construction Specifier (CCS) and Certified Construction Product Representative (CCPR).
Source:
http://www.csinet.org/Main-Menu-Category/Certification.aspx