For homeowners looking to remodel, zoning and architectural regulations can be an awful burden, delaying a project's start by weeks or even months until compliance issues are addressed and designs are approved by local officials. Working in Boston and Cambridge, Mass., where notorious bureaucracies and an abundance of historic property restrictions keep the paperwork flowing, remodelers Doug Hanna and Alex Slive of S+H Construction know the local system far better than they ever hoped to ó so well, in fact, that they offer their expertise as a service to clients.