40 x 10ft covered porch

Attachment 42936 (http://www.doityourself.com/forum/attachments/decks-patios-porches-walkways-driveways-stairs-steps-docks/42936-40-x-10ft-covered-porch-screen-shot-2014-12-08-9.41.56-am.jpg) I am going to start building in spring. Im in south central pa so I need to account for snowfall and frozen ground ext. any recommendations, adjustment welcome. interested to hear input. will run the length of my small rancher home.Attachment 42937 (http://www.doityourself.com/forum/attachments/decks-patios-porches-walkways-driveways-stairs-steps-docks/42937-40-x-10ft-covered-porch-screen-shot-2014-12-08-9.46.56-am.jpg)Attachment 42938 (http://www.doityourself.com/forum/attachments/decks-patios-porches-walkways-driveways-stairs-steps-docks/42938-40-x-10ft-covered-porch-screen-shot-2014-12-08-9.46.41-am.jpg) these drawing rough, not final.