sprinkler contractor who maintains NICET certification in the
discipline of Water-Based Systems Layout Level IV or an
equivalent certification as determined by the department.
"Contractor." A fire sprinkler contractor.
"Department." The Department of Labor and Industry of the
Commonwealth.
"Fire sprinkler system." A water-based suppression system
which requires individual calculation and layout in accordance
with nationally recognized standards, including those of the
National Fire Protection Association, to protect the interior or
exterior of a specific building, structure or special hazard
from fire by conveying water or other agents to dispersal
openings or devices. The systems also include overhead and
underground fire mains beginning at the point of service, fire
hydrants and hydrant mains, stand pipes and hoses connected to
sprinkler systems, sprinkler tank heaters, air lines, thermal
systems used in connection with fire sprinkler systems and tanks
and pumps connected to the fire sprinkler systems. The term
includes wet-pipe systems, dry-pipe systems, preaction systems,
deluge systems, combined dry-pipe and preaction systems,
antifreeze systems and circulating closed loop systems, systems
utilizing foam and other water-based fire suppression systems
approved for use in this Commonwealth.
"Installation." The initial placement of fire sprinkler
equipment or the extension, modification or alteration of
equipment after the initial placement, including the inspection
and testing of equipment attendant to the placement or
alteration of fire sprinkler equipment.
"License." The document issued by the department to an
individual or organization in order to engage in business as a
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