Builders Respond to Architect To the Editor: In reply to the letter "Why Architects Can't Trust Contractors" (10/92): If part of Mr. Findley's job falls in the area of construction management, it is up to him to do the appropriate amount of networking to find contractors suitable for his work. I can scarcely believe that no trustworthy contractors exist in the densely populated area around McLean, Va. If after 12 years he has not found any, perhaps his prospective clients should look for an architect who has. In my role as a designer/builder I see the traditional animosity between architect and contractor from both sides. As builders, we too have trouble finding subcontractors that measure up to our standards. However, if we don't find them,