Vultures and Hyenas To the Editor: I read with some sense of foreboding the letter from Edward K. Williams in your February '95 issue ("Inspectors Protecting Themselves?"). As an architect/ contractor/construction manager for over 20 years, I have seen some pretty horrendous construction practices by contractors and developers trying to cut corners and save money. In all of the instances that I witnessed, the perpetrators of the wrongdoing knew that there was a proper, better, conventional way of doing the job but that it would take longer, use more material, and cost more. The hair on the back of my neck rises at the thought of this kind of "professional" being responsible for certifying his own building plans. With seemingly