Firestopping Book Firestopping Book | Page 74

Basic, Common ■ ■ ■ ■ Type(s) of assembly used or being penetrated; Rating supported by the EJ. Through Penetrations ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ Penetrating item(s) (type, size, etc.); Annular space requirements, (minimum, maximum, actual, nominal, etc.) Opening size; Firestop product(s) to be used, type and amount (thickness if applicable); Accessory items(s) (i.e. anchors, backing material, etc.) Accessory item(s) (i.e. insulation type, thickness and compression, etc.) Duct Enclosure Systems ■ ■ Duct System Type (i.e. kitchen exhaust, hazardous material ■ ■ Duct Construction – dimensions, material, gauge, reinforcement, ■ ■ ■ ■ ■ ■ exhaust, ventilation, supply/return, etc.); connections, orientation (horizontal, vertical or both); Enclosure System – brand name designation, description, fire- resistance rating; Thickness, density, number of layers, fire rating, clearance to combustibles, material joints, mechanical attachment to duct, duct support system, access door construction. Firestop System – annular space dimensions, floor/wall construction, design number, components, installed thickness.