I'm not sure what the initial problem might be, but could this possibly help --> http://hannesdelbeke.blogspot.be/2014/05/modular-arcs.html (especially the link to his Advanced Bend modifier) ?
Interesting response from a game playing teacher. http://www.eurogamer.net/articles/2015-04-02-he-suddenly-became-incredibly-sullen-angry-and-frustrated-he-was-10
NOTE: These environments are team efforts. On chapter 05 my job was adding detail passes to the existing architecture. Almost all assets were provided by the talented artists at MachineGames
also found this.. which seems to explain exactly whats goin on... tho doesn't offer a fix as such... http://radks.blogspot.com/2012/05/maya-normals-locking-and-what-it-does.html
For the first time during his 4 1/2 years as President, Bush has admitted to a failure: http://www.cnn.com/2005/POLITICS/09/02/bush.katrina.ap/index.html