660 A.2d 447 MARK L. HUSNANDER v. TOWN OF BARNSTEAD a. No. 93-626Supreme Court of New Hampshire Belknap Decided April 21, 1995 1. Zoning and Planning — Generally — Exceptions, Variances, and Nonconforming Uses The variance is the safety valve of zoning administration, it is a waiver of the strict letter of the zoning ordinance […]