Page 452 - 2018_IFC

FLAMMABLE AND COMBUSTIBLE LIQUIDS

EXTENT OF CLASSIFIED AREA Pits, boxes or spaces below grade level, any part of which is within the Division 1 or 2 Up to 18 inches above grade level within a horizontal radius of 10 feet from a loose-fill connection and within a horizontal radius of 5 feet from a tight-fill connection. Within 3 feet of open end of vent, extending in all directions. Area between 3 feet and 5 feet of open end of vent, extending in all directions. Within 3 feet of vent and fill op

TABLE 5703.1.1 CLASS I ELECTRICAL EQUIPMENT LOCATIONS a classified area. opening. Entire pit. Same as pits. within 15 feet horizontal from any edge. loading connection. (continued)

GROUP D DIVISION 1 2 1 2 1 2 2 2 1 2 2 1 or 2 2 1 2 1 2

LOCATION Pumps, bleeders, withdrawal fittings, meters and similar devices Containing valves, fittings or piping, and not within a Division Drainage ditches, separators, impounding basins Loading through bottom connections with atmospheric venting

Underground tank fill opening Vent—Discharging upward Drum and container filling Outdoor or indoor with adequate ventilation Indoor Outdoor Without mechanical ventilation With mechanical ventilation 1 or 2 classified area Indoor Outdoor Tank vehicle and tank car b Loading through open dome

2018 INTERNATIONAL FIRE CODE ® Pits 419
Copyrighted © 2017 by, or licensed to, ICC (ALL RIGHTS RESERVED); licensed to UL, LLC pursuant to License Agreement with ICC. No further reproductions authorized or distribution authorized.
ANY UNAUTHROIZED REPRODUCTION OR DISTRIBUTION IS A VIOLATION OF THE FEDERAL COPYRIGHT ACT AND THE LICENSE AGREEMENT; AND SUBJECT TO CIVIL AND CRIMINAL PENALTIES THEREUNDER.