120 gallon peninsula build help

looking to upgrde to a 120 48x24x24 marineland corner overflow.. this will be a peninsula tank in between sun room and livn room. I currently have 65 gln now. with eshopps 200 sump, reef oct 150,smart ato, maxspect gyre. hobbie bug euphotica programmable led 16" light also tlf running chemi blue. most of my stuff will be used in 120. prob need extra light. any tips suggestions you guys could give on the build. tank changeover anything at all will be deeply appreciated . nem tank will be on stand with canopy als cabinet running from top to bottom on side where tank meets wall kind of a u shaped build with tank in middle thx