In lieu of wild weather bearing down on the city, Waltham Patch is not running its regular 5 Things colum today. Instead, use these tips to survive todays, or any future, snowstorm.  1. Clear any collapsable surface of snow. Much of the recent snow has not melted and it could be weighing down your roof, do due dilligence and clear it off. 2. Shovel your walkway. While you may not be using this during the day, first responders may need to use it in the event of an emergency. Trust me. I know this first hand.  3. If you must not go to work, stay off of the roads. It's not worth getting into …