The isolation curb shall consist of an upper support rail with supply and return duct supports on which the equipment and duct openings rest and a lower support curb which is attached to the roof structure, separated by free-standing, unhoused, laterally stable steel springs.
Happy Saturday! River City is a military term for a command's communications being down. Meaning Skype, email, internet access and phone calls. This can happen for many different reasons. Usually its because something is happening that the command does not want anyone outside of the command to know about.
From scenic floats for getting your light lager on, to (essentially) party lakes with a stronger current, here are the 16 top tubing rivers in the US. More: America's 10 Greatest Lake Towns in the Summer. Credit: Flickr/Derek Morrison. San Marcos River, TX. San Marcos, TX. Just down the road from Austin, San Marcos is a college town in the purest sense. The small city is one of the fastest growing and hardest partying in America, and the crown jewel is the San Marcos River.