ASCE 7, 2002 edition, 9.5.5.7.1 calls for the design story drift to be determined by the difference of the deflections at the top and bottom of the story under consideration. Then it gives a formula to calculate the deflection at level x. One of the variables of the formula is the deflections...
First, there has only been one antifreeze solution with successful test results for use in an ESFR system. It is called "lactate" and was developed by TYCO. After beta testing in a few facilities they discovered small leaks in the piping. It was no fault of the piping. It was...
If you're asking about PVC fire sprinklers, none exist. At least none exist that are listed for use in a fire sprinkler system.
Sure you could go out to the plumbing store and buy a bunch of lawn sprinkler and install them in the ceiling of a building and rig up some type of detection system...
First, find the engineer who designed this and slap him for over-sizing the pump then quick-fixing it with a pressure relief valve. NFPA 20 is quite clear that this practice is not acceptable.
There are surge suppressers available for this type of application. I don't know of a mfg off hand...
I am looking for information regarding structural load carrying capacity in typical exposed steel construction.
Q1: What is the typical (or minimum required) load safety factor built in to a typical steel building? (1.2, 1.5, 2, etc.)? Only consider the loading of the building and components...
