A proposal for extended time to develop a planned unit subdivision turned into an extended debate Thursday about when Carson City should cut off such extensions.The matter at issue concerned Ross Park LLC, the developer, which sought up to three more years to build a a 23 single family unit project on 1.24 acres of property bounded by Snyder Avenue, California Street and East Appion Way. The extension was granted on a 4-1 vote.Some neighbors were on hand to voice their continuing opposition and the developer was present to answer questions, but the matter sparked a lengthy discussion of when …