INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Jobs

Water sprinklers to fight fire above false ceiling "pockets "

Water sprinklers to fight fire above false ceiling "pockets "

(OP)
Good Morning all
In NFPA 13 it is stated that if distance between slab bottom and false ceiling is 900 mm or higher additional sprinklers will be installed to protect this "pocket " above false ceiling .
The conditions under which those sprinklers should be installed are not clear , i.e. when it is must and when it is optional .
If we have no thing other than steel pipes and fireproof materials , why should we spend this extra money .


(1) The total volume of the unprotected ceiling pocket does
not exceed 1000 ft3 (28.3 m3).
(2) The depth of the unprotected ceiling pocket does not
exceed 36 in. (914 mm).
(3) The entire floor under the unprotected ceiling pocket is
protected by sprinklers at the lower ceiling elevation.
(4)*The total size of all unprotected ceiling pockets in the
same compartment within 10 ft (3 m) of each other does
not exceed 1000 ft3 (28.3 m3).
(5) The unprotected ceiling pocket has noncombustible or
limited-combustible finishes.
(6) Quick-response sprinklers are utilized throughout the
compartment.
8.6.7.3 Sprinklers shall not be required in skylights and similar
pockets in accordance with 8.5.7.

RE: Water sprinklers to fight fire above false ceiling "pockets "

Which edition of 13 are you using??

In the 2016 check
8.15 to 8.15.1.2.17.1

8.15.1.2.1 should answer your question

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close