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Exception: Appliances, equipment, fans and other <br /> components located on a flat roof enclosed by parapet walls not less than 36 <br /> inches high, no guards required. <br /> (e) M-603.4 Nonmetallic ducts. Nonmetallic ducts shall <br /> be constructed with Class 0 or Class 1 duct material in accordance with UL <br /> 181. Fibrous duct construction sha11 conform to the SMACNA Fibrous Glass <br /> Duct Construction Standards or NAIMA Fibrous Glass Duct Construction <br /> Standards. The maximum air temperature within nonmetallic ducts shall not <br /> exceed 250 degrees F (121 degrees C). Nonmetallic ducts, specifically duct <br /> board, shall only be used in unconditioned spaces. <br /> (fl M-603.5 Flexible air ducts and flexible air connectors. <br /> Flexible air ducts, both metallic and nonmetallic, shall comply with Sections <br /> 603.5.1, 603.5.1.1, 603.5.3 and 603.5.4. Flexible air connectors, both metallic <br /> and nonmetallic, shall comply with Sections 603.5.2 through 603.5.4. Flexible <br /> air ducts and flexible air connectors shall be used only in non-conditioned <br /> spaces or above suspended ceiling installations. <br /> (g) M-603.5.1.1 Duct length. Flexible air ducts shall be <br /> limited in length to 14 feet(4267 mm). <br /> Section 2. That the City Clerk be, and she is hereby, authorized and directed to cause the <br /> provisions hereof to be published in pamphlet form and to be appropriately set out in the City <br /> Code. <br /> PRESENTED, PASSED,APPROVED AND REC D this 3rd day of June, 2002. <br /> t� �� <br /> ✓�_� �' <br /> Terry M. , ^ <br /> ATTEST: <br /> G , <br /> �� , ����� <br /> CITY CLERK <br /> /_�z-- <br /> PUB �HED this J y of J e, 2002. <br /> � <br /> -�G�L�-C'-�_ - G/� <br /> CITY CLERK <br />