The following words, terms and phrases, when
used in this article, shall have the meanings ascribed to them in
this section, except where the context clearly indicates a different
meaning:
DRY CLEANING
The process of removing dirt, grease, paints and other stains
from wearing apparel, textiles, fabrics, rugs or other material, by
the use of nonaqueous liquids (solvents), and it shall include the
process of dyeing clothes or other fabrics or textiles in a solution
of dye colors and nonaqueous liquid solvents.
SYSTEM CLASSIFICATION
Shall mean that dry-cleaning plants or systems are classified
as follows:
B.
CLASS II SYSTEMSThose utilizing Class II solvents or systems utilizing Class III solvents which do not comply with Class III or Class IV systems.
C.
CLASS III SYSTEMSThose employing equipment listed by Underwriters' Laboratories, Inc., utilizing Class III solvents.
D.
CLASS IV SYSTEMSThose utilizing solvents which are nonflammable (will not support combustion) or nonflammable at ordinary temperatures and only moderately flammable at higher temperatures.
Class III systems, if located in the same building
with other occupancies, shall be separated from the remainder of the
building vertically and horizontally by material having a fire resistance
rating of not less than one hour with openings protected by approved
fire doors, except that such separation shall not be required for
operations incidental to or in connection with the dry-cleaning business,
such as laundering, scouring, scrubbing, drying, pressing or ironing,
and the requirement for such separation may be waived at the discretion
of the Chief of the Fire Department based upon a consideration of
such factors as type of building construction, nature of occupancy,
storage and operating capacity of the system and extent of private
fire protection provided.