Section 408.17711. Filter collectors; monitoring devices; location.

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(1) All fabric dust filter collectors that are a part of a pneumatic dust collection system shall be equipped with a monitoring device that will indicate a pressure drop across the surface of the filter.

(2) Filter collectors installed after June 8, 1988, shall be located in any of the following areas:

(a)   Outside the facility.

(b)   In an area inside the facility protected by an explosion suppression system.

(c)   In an area inside the facility that is separated from other areas of the facility by construction having at least a 1-hour-fire-resistance rating and which is adjacent to an exterior wall and vented to the outside. The vent and ductwork shall be designed to resist rupture due to deflagration.

History: 1988 AACS; 2014 AACS.

                    
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