In my opinion, precast/prestressed has many advantages over post-tensioned. The security issue concerning walls has been addressed by using openings in walls, etc. For a resource web site use www.pci.org
Even better would be to call the PCI Technical Director at 312-786-0300. PCI staff are...
Sorry for the "basic" questions. If I create a properly compiled VB6 .exe project that links and uses the functionality of MS Excel, can users that do not have MS Excel on their hard drives run the .exe files with no problems. Also - same question concerning AutoCadLT.