hello sir,could u please answer it? how to do the combo that i didn't add like dslt are there in combination if analyze no matter if you removed it they are there with different name dslt22. How to do it sir.? also how to do if the rafter is red even use big size like w 12x 170. col are ok but could u change the rafter size to W 14 even though col size are W12? could u please explain and enlighten?please also sir if u use portal frame, which calculation should be done in repo rt, sir? is the base is pin type or fix ed type or hing e type, sir?