Friday, May 13, 2016

Fire Sprinkler Heads

This section will only deal with the condition of installed fire sprinkler heads.  Improper design/installation and issues relating to sprinkler coverage will be discussed elsewhere.

The two (2) photos below may show glass bulb type fire sprinkler heads where the glass bulb contains no liquid.



Here is another view:

The following photo may show a painted SSU installed in the incorrect orientation:
Photo below shows a Standard Spray Upright installed in a horizontal sidewall orientation.  Arrow points to ceiling:



Below, a photo may show a SSU head in the incorrect orientation:

The following photo may show foreign material (masking tape) on a fire sprinkler head:

Below is another view:

Below, two (2) photos show a sprig up fire sprinkler head with a manufacturer's orange plastic cover still installed. 


Below, a photo may show an upright head installed in the pendent position, an install/design error:



Below, a photo shows evidence of corrosion on a concealed cover plate.  The cover plate should be removed and the concealed head and piping checked for leaks and corrosion:



Below is a photo of a corroded fire sprinkler head.  The pipe is Poz-Lok (recalled). The system is a gravity tank fed PG anti-freeze system.


The next photo shows what maybe a "loaded" fire sprinkler head.  NFPA doesn't define the word "loaded":


Below a dry fire sprinkler head in a freezer is shown.  The fire sprinkler head is partially obstructed by foreign material, possibly foam insulation.


The photo below reportedly shows foreign object material (possibly masking tape) covering a fire sprinkler head:

The photo below shows a red plastic protective cover commonly used to protect fire sprinkler heads during construction.  This cover was found covering a fire sprinkler head after the building was occupied:


The photo below may show a corroded fire sprinkler head:


Below, the photo may show a foreign object attached to the arms of a fire sprinkler head.  The foreign object may be wire or string:


Below, a photo may show a horizontal fire sprinkler sidewall head with it's fusible heat sensitive element painted:


Below, a photo may show a horizontal fire sprinkler head with foreign object attached to it.

The photo below may show a fire sprinkler head with a foreign object attached to or covering it (possibly tape):


The photo below may show a painted fire sprinkler head:


The photo below may show a recalled fire sprinkler head:



The following photo may show a painted fire sprinkler head:


The following photo may show a painted fire sprinkler head:

The following photo may show a standard spray upright head installed in the pendent orientation:


The next photo may show a horizontal fire sprinkler head in the incorrect orientation:

The following may show incorrect storage of spare fire sprinkler heads:

A close up for the incorrect storage of spare fire sprinkler heads:

The next photo may show a spare fire sprinkler head box containing spare fire sprinklers but no spare head wrench:

The photo below shows a standard spray upright incorrectly installed in the pendent position:


The next photo may show a standard spray upright head with foreign material attached:

The following install of a SSU head shows an improper application of NFPA 13, this is a design/install error:

Lack of heat banking on these HSWs installed in a stairwell in Kuwait:

Shipping covers still on HSW heads.  Large mall in Kuwait City.

Heat detection likely to be an issue:


Head appears close to HVAC diffuser:


Believed to be caulked concealed cover plate in large mall:


Installation of HSW heads without heat bank in mall:


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