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17.2.2.6 In-Rack Sprinkler Requirements Where CMSA Sprinklers Are Used at Ceiling
Standard for the Installation of Sprinkler Systems 2016 of New York State > 17 Protection of Rack Storage of Plastic and Rubber Commodities > 17.2 Protection Criteria for Rack Storage of Group A Plastic Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2 CMSA Sprinklers for Rack Storage of Group A Plastic Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2.6 In-Rack Sprinkler Requirements Where CMSA Sprinklers Are Used at Ceiling
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17.2.2.6.1
In-rack sprinklers shall be installed at the first tier level at or above one-half of the storage height.
17.2.2.6.2
The minimum of 6 in. (150 mm) vertical clear space shall be maintained between the sprinkler deflectors and the top of a tier of storage.
(A)
Sprinkler discharge shall not be obstructed by horizontal rack members.
17.2.2.6.3*
In-rack sprinklers shall be located at an intersection of transverse and longitudinal flues.
17.2.2.6.4
The maximum horizontal distance between in-rack sprinklers shall be 5 ft (1.5 m).
17.2.2.6.5
Where distances between transverse flues exceed the maximum allowable distances, sprinklers shall be installed at the intersection of the transverse and longitudinal flues, and additional sprinklers shall be installed between transverse flues to meet the maximum distance rules.
17.2.2.6.6
Where no transverse flues exist, in-rack sprinklers shall not exceed the maximum spacing rules.
17.2.2.6.7 In-Rack Sprinkler Water Demand
The water demand for sprinklers installed in racks shall be based on simultaneous operation of the most hydraulically remote eight sprinklers.
17.2.2.6.8 In-Rack Sprinkler Discharge Pressure
Sprinklers in racks shall discharge at not less than 15 psi (1.0 bar) for all classes of commodities. (See Section C.19.)
Related Code Sections
17.2.2.6 Protection of Rack Storage of Plastic and Rubber Commodities, In-Rack Sprinkler Requirements Where CMSA Sprinklers Are Used at Ceiling
In-rack sprinklers shall be installed at the first tier level at or above one-half of the storage height ...
Standard for the Installation of Sprinkler Systems 2016 of New York State > 17 Protection of Rack Storage of Plastic and Rubber Commodities > 17.2 Protection Criteria for Rack Storage of Group A Plastic Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2 CMSA Sprinklers for Rack Storage of Group A Plastic Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2.6 In-Rack Sprinkler Requirements Where CMSA Sprinklers Are Used at Ceiling
17.2.2.6 Protection of Rack Storage of Plastic and Rubber Commodities, In-Rack Sprinkler Requirements Where CMSA Sprinklers Are Used at Ceiling
In-rack sprinklers shall be installed at the first tier level at or above one-half of the storage height ...
Standard for the Installation of Sprinkler Systems 2013 of New York State > 17 Protection of Rack Storage of Plastic and Rubber Commodities > 17.2 Protection Criteria for Rack Storage of Plastics Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2 CMSA Sprinklers for Rack Storage of Plastics Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2.6 In-Rack Sprinkler Requirements Where CMSA Sprinklers Are Used at Ceiling
17.2.2.6.6 Protection of Rack Storage of Plastic and Rubber Commodities,
Where no transverse flues exist, in-rack sprinklers shall not exceed the maximum spacing rules ...
Standard for the Installation of Sprinkler Systems 2013 of New York State > 17 Protection of Rack Storage of Plastic and Rubber Commodities > 17.2 Protection Criteria for Rack Storage of Plastics Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2 CMSA Sprinklers for Rack Storage of Plastics Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2.6 In-Rack Sprinkler Requirements Where CMSA Sprinklers Are Used at Ceiling > 17.2.2.6.6
17.2.2.6.4 Protection of Rack Storage of Plastic and Rubber Commodities,
The maximum horizontal distance between in-rack sprinklers shall be 5 ft (1.5 m) ...
Standard for the Installation of Sprinkler Systems 2013 of New York State > 17 Protection of Rack Storage of Plastic and Rubber Commodities > 17.2 Protection Criteria for Rack Storage of Plastics Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2 CMSA Sprinklers for Rack Storage of Plastics Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2.6 In-Rack Sprinkler Requirements Where CMSA Sprinklers Are Used at Ceiling > 17.2.2.6.4
17.2.2.6.2 Protection of Rack Storage of Plastic and Rubber Commodities,
The minimum of 6 in. (152 mm) vertical clear space shall be maintained between the sprinkler deflectors and the top of a tier of storage ...
Standard for the Installation of Sprinkler Systems 2013 of New York State > 17 Protection of Rack Storage of Plastic and Rubber Commodities > 17.2 Protection Criteria for Rack Storage of Plastics Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2 CMSA Sprinklers for Rack Storage of Plastics Commodities Stored Up to and Including 25 ft (7.6 m) in Height > 17.2.2.6 In-Rack Sprinkler Requirements Where CMSA Sprinklers Are Used at Ceiling > 17.2.2.6.2