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C. DRYER ENCLOSURE REQUIREMENTS
Even though a 12-inch (30.48 cm) clearance is acceptable, it is recommended that the rear of the dryer be
positioned approximately 2 feet (0.61 meters) from the nearest obstruction (i.e., wall) for ease of installation,
maintenance, and service. Bulkheads and partitions should be made from noncombustible materials. The
clearance between the bulkhead header and the dryer must be a minimum of 4-inches (10.16 cm) and must not
extend more than 4-inches (10.16 cm) to the rear of the dryer front. A 2-inch (5.08 cm) clearance is required
between the bulkhead facing and the top of the dryer.
NOTE: Bulkhead facing should not be installed until after dryer is in place. Ceiling area must be
located a minimum of 12-inches (30.48 cm) above the top of the dryer.
IMPORTANT: Even though a minimum of 12-inches (30.48 cm) is required, 18-inches (45.72 cm) or
more is suggested for steam dryers. Especially in cases where sprinkler heads are
over the dryers.
NOTE: When fire sprinkler systems are located above the dryers, a minimum of 18-inches (45.72 cm)
above the dryer console (module) is suggested. Dryers may be positioned sidewall to
sidewall; however, 1-inch or 2-inches (2.54 cm or 5.08 cm) is suggested between dryers (or
wall) for ease of installation and maintenance. Allowances must be made for the opening and
closing of the control and lint doors.