GLA=[YR=2021;ORIG=50,-110] E60 S40 W21 S5 W17 N5 W22 N40 $ SLABROOF=[YR=2021;ORIG=50,-95.11] W14 S40 U0.1R75 N14 D0.1L22 S5 W17 N5 W22 N26 $ .