glass bulb type; sprinklers for deluge systems shall be open type without
the fusible element. Sprinklers with internal O-rings shall not be used.
Sprinklers shall be used in accordance with their listed coverage
limitations. Temperature classification shall be [ordinary] [intermediate]
[_____] [as indicated]. Sprinklers in high heat areas including attic
spaces or in close proximity to unit heaters shall have temperature
classification in accordance with NFPA 13. Extended coverage sprinklers
shall not be used.
2.10.1
Pendent Sprinkler
Pendent sprinkler shall be of the fusible strut or glass bulb type,
[recessed] [quick-response] type with nominal [12.7 mm 1/2 inch] [13.5 mm
17/32 inch] orifice. Pendent sprinklers shall have a [polished chrome]
[stainless steel] [white polyester] [_____] finish.
2.10.2
Upright Sprinkler
Upright sprinkler shall be [brass] [chrome-plated] [stainless steel] [white
polyester] [quick-response type] [_____] and shall have a nominal [12.7 mm
1/2 inch] [13.5 mm 17/32 inch] orifice.
2.10.3
Corrosion Resistant Sprinkler
**************************************************************************
NOTE: The use of corrosion resistant sprinklers is
generally limited to industrial type occupancies
such as electroplating, steam rooms, salt storage,
and piers and wharves.
**************************************************************************
Corrosion resistant sprinkler shall be the [upright] [pendent] type
installed in locations as indicated. Corrosion resistant coatings shall be
factory-applied by the sprinkler manufacturer.
2.11
DISINFECTING MATERIALS
2.11.1
Liquid Chlorine
Liquid chlorine shall conform to AWWA B301.
2.11.2
Hypochlorites
Calcium hypochlorite and sodium hypochlorite shall conform to AWWA B300.
2.12
ACCESSORIES
2.12.1
Sprinkler Cabinet
Spare sprinklers shall be provided in accordance with NFPA 13 and shall be
packed in a suitable metal or plastic cabinet. Spare sprinklers shall be
representative of, and in proportion to, the number of each type and
temperature rating of the sprinklers installed. At least one wrench of
each type required shall be provided.
2.12.2
Pendent Sprinkler Escutcheon
Escutcheon shall be one-piece metallic type with a depth of less than 20 mm
3/4 inch and suitable for installation on pendent sprinklers. The
SECTION 13945A
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