When most people think of architectural de sign, they think ofmodern glass-enclosed office towers, glittering retail centers andmajestic cultural institutions. Rarely do images of warehouses andfactories, classrooms and laboratories come to mind. Yet thearchitect is an essential player in any major renovation projectand the challenges of a typical renovation of an older structureare many.

Building codes, HVAC equipment, technology requirements and evenwork styles have evolved substantially from what the structure wasoriginally designed for. Construction practices of the past oftenyield surprises during renovation. More government oversight ofconstruction work adds complexity and time to projects. Anarchitect must be prepared to address these and other issues toachieve the goal of a modern, well-functioning and attractiverenovated space.

Here is a checklist of things to consider.