The 70,000 square foot reinforced concrete Mellon Art Center in Wallingford, Connecticut demonstrates that excellent architectural concrete can be produced by the maintenance of strict controls and attention to detail. Combining methods developed over several years, the builder transformed 7500 cubic yards of concrete into exposed board marked concrete walls and soffits. A select grade of fir porch flooring with a 2 and one-eighth inch face was used as a form liner to a three-eighths of an inch plywood form panel. Tapered she-bolt ties were spaced two feet on centers horizontally and vertically. The tie holes, three-eighths of an inch diameter, blended visually with air holes and eliminated the need for unsightly and costly patching. Stainless steel inside tie rods were used to prevent discoloration from rust caused by weathering. Form faces were given three treatments to provide uniformly finished concrete. A wood preservative was applied first as a sealer to help prevent checking and deterioration from the moisture without leaving a surface coating. A cement slurry was then brushed onto new forms to fill any voids and give the same texture as forms that have hand many uses. After this slurry hardened it was wire brushed, and a nonstaining form release agent was applied. Perhaps the most crucial operation was visual control by the superintendent during placement of the concrete to prevent water from being added indiscriminately, to ensure just the right amount of vibration and to ensure that the concrete was placed in small layers so that there were no lift lines in the finished product. Proper vibration ensured penetration to at least the previous lift and ideally as deep as the vibrator of the forms was also used to help work air up the face of the form to reduce the number and size of air holes.