X hits on this document

PDF document

California Mechanical Code (Part 4, Title 24, California Code of Regulations) - page 8 / 49

125 views

0 shares

0 downloads

0 comments

8 / 49

EXHAUST SYSTEMS

        • 506.7.1.5

          There shall be at least one (1) inch

    • (2.5

      cm) between the duct and the wall

protector. In no case shall the clearance between the duct and the wall surface be reduced below that shown in Table 5-2.

506.7.2 Duct systems operating at elevated temperatures above 140˚F (60˚C) shall have clearances from combustible building construc- tion or any combustible material of not less than e i g h t e e n ( 1 8 ) i n c h ( 4 6 c m ) . 5 0 6 . 7 . 3 W h e r e c l e a r a n c e i s r e d u c e d b y u s i n g a n airspace between the combustible wall and the wall protector, air circulation shall be provided b y o n e o f t h e f o l l o w i n g m e t h o d s . 5 0 6 . 7 . 3 . 1 A i r c i r c u l a t i o n s h a l l b e p e r m i t t e d to be provided by leaving all edges of the wall protector open with at least a one (1) i n c h ( 2 . 5 c m ) a i r g a p . 5 0 6 . 7 . 3 . 2 I f t h e w a l l p r o t e c t o r i s m o u n t e d on a single flat wall away from corners, air circulation shall be permitted to be provided b y o n e o f t h e f o l l o w i n g : ( A ) L e a v i n g t o p a n d b o t t o m e d g e s o p e n to circulation by maintaining the one (1) i n c h ( 2 . 5 c m ) a i r g a p . ( B ) L e a v i n g t o p a n d b o t h s i d e e d g e s open to circulation by maintaining the ( 1 ) i n c h ( 2 . 5 c m ) a i r g a p . 5 0 6 . 7 . 3 . 3 W a l l p r o t e c t o r s t h a t c o v e r t w o

walls in a corner shall be permitted to be open at the top and bottom edges with at least a one (1) inch (2.5 cm) air gap. [NFPA 9 1 : 2 . 6 . 1 t h r o u g h 2 . 6 . 3 . 8 ] 5 0 6 . 8 P r o t e c t i o n f r o m P h y s i c a l D a m a g e . D u c t s installed in locations where they are subject to physical d a m a g e s h a l l b e p r o t e c t e d b y s u i t a b l e g u a r d s . 5 0 6 . 9 E x h a u s t O u t l e t s . O u t l e t s f o r e x h a u s t s t h a t exceed 600˚F (315˚C) shall be in accordance with Table 5-7.

The termination point for exhaust ducts discharging to the atmosphere shall be not less than t h e f o l l o w i n g : 5 0 6 . 9 . 1 D u c t s c o n v e y i n g e x p l o s i v e o r flammable vapors, fumes, or dusts: thirty (30) feet (9,144 mm) from property line; ten (10) feet (3,048 mm) from openings into the building, six (6) feet (1,829 mm) from exterior walls or roofs; thirty (30) feet (9,144 mm) from combustible walls or openings into the building that are in the direction of the exhaust discharge; ten (10) feet (3,048 mm) above adjoining grade.

506.7 – 507.1

506.9.2 Other product-conveying outlets: ten (10) feet (3,048 mm) from property line; three (3) feet (914 mm) from exterior wall or roof; ten (10) feet (3,048 mm) from openings into the building; ten (10) feet (3,048 mm) above adjoining grade.

Part II – Commercial Hoods and Kitchen Ventilation

5 0 7 . 0 G e n e r a l R e q u i r e m e n t s . 5 0 7 . 1 C o o k i n g e q u i p m e n t u s e d i n p r o c e s s e s producing smoke or grease-laden vapors shall be equipped with an exhaust system that complies with all the equipment and performance requirements of this standard, and all such equipment and performance shall be maintained per this standard during all periods of operation of the cooking equipment. Specifically, the following equipment s h a l l b e k e p t i n g o o d w o r k i n g c o n d i t i o n : ( A ) C o o k i n g e q u i p m e n t ( B ) H o o d s ( C ) D u c t s ( i f a p p l i c a b l e ) ( D ) F a n s ( E ) F i r e s u p p r e s s i o n s y s t e m s ( F ) S p e c i a l e f f l u e n t o r e n e r g y c o n t r o l e q u i p m e n t

All airflows shall be maintained. Maintenance and repairs shall be performed on all components at intervals necessary to maintain these conditions.

507.1.1 All solid-fuel cooking equipment shall c o m p l y w i t h t h e r e q u i r e m e n t s o f S e c t i o n 5 1 7 . 0 . 5 0 7 . 1 . 2 M u l t i p l e - t e n a n c y a p p l i c a t i o n s s h a l l require the concerted cooperation of design, installation, operation, and maintenance respon- s i b i l i t i e s b y t e n a n t s a n d b y t h e b u i l d i n g o w n e r . 5 0 7 . 1 . 3 A l l i n t e r i o r s u r f a c e s o f t h e e x h a u s t system shall be reasonably accessible for c l e a n i n g a n d i n s p e c t i o n p u r p o s e s . 5 0 7 . 1 . 4 C o o k i n g e q u i p m e n t u s e d i n f i x e d , mobile, or temporary concessions, such as trucks, buses, trailers, pavilions, tents, or any form of roofed enclosure, shall comply with this standard unless all or part of the installation is e x e m p t e d b y t h e A u t h o r i t y H a v i n g J u r i s d i c t i o n . 5 0 7 . 1 . 5 C o o k i n g e q u i p m e n t t h a t h a s b e e n l i s t e d in accordance with UL 197 or an equivalent standard for reduced emissions shall not be required to be provided with an exhaust system. [NFPA 96: 4.1.1.1]

69

Document info
Document views125
Page views125
Page last viewedThu Dec 08 06:54:36 UTC 2016
Pages49
Paragraphs570
Words16011

Comments