Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

  • Congratulations TugboatEng on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

NFPA 80

Status
Not open for further replies.

engineerfin

Automotive
Joined
Feb 22, 2015
Messages
62
Location
US
On 2hr stair towers, with 90 min doors, do the thresholds need to be special or can they be undercut. I didn't see anything in nfpa 80
 
Does the shaft have a stair pressurization system?
 
p.s. what determines if the stairway tower needs to be pressurized.
 
Status
Not open for further replies.

Part and Inventory Search

Sponsor

Back
Top