Location | Class I, Group D division | | Extent of classified area |
Underground tank: Fill opening ——————— | | |
| 1 | Any pit, box or space below grade level, any part of which is within the Division 1 or 2 classified area. |
| 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. |
Vent─Discharging upward ———————— | | |
| 1 | Within 3 feet of open end of vent, extending in all directions. |
| 2 | Area between 3 feet and 5 feet of open end of vent, extending in all directions. |
Dispenser: Pits ——————— | 1 | Any pit, box or space below grade level, any part of which is within the Division 1 or 2 classified area. |
Dispenser enclosure ————— | 1 | The area 4 feet vertically above base within the enclosure and 18 inches horizontally in all directions. |
Outdoor —————————— | 2 | Up to 18 inches above grade level within 20 feet horizontally of any edge of enclosure. |
Indoor: With mechanical ventilation ————— | | |
| 2 | Up to 18 inches above grade or floor level within 20 feet horizontally of any edge of enclosure. |
With gravity ventilation ————— | 2 | Up to 18 inches above grade or floor level within 25 feet horizontally of any edge of enclosure. |
Remote pump─Outdoor ———— | 1 | Any pit, box or space below grade level if any part is within a horizontal distance of 10 feet from any edge of pump. |
2 | Within 3 feet of any edge of pump, extending in all directions. Also up to 18 inches above grade level within 10 feet horizontally from any edge of pump. |
Remote pump─Indoor ————— | 1 | Entire area within any pit. |
2 | Within 5 feet of any edge of pump, extending in all directions. Also up to 3 feet above floor or grade level within 25 feet horizontally from any edge of pump. |
Lubrication or service room ————————— | | |
| 1 | Entire area within any pit. |
| 2 | Area up to 18 inches above floor or grade level within entire lubrication room. |
Dispenser for Class I liquids ————————— | | |
| 2 | Within 3 feet of any fill or dispensing point, extending in all directions. |
Special enclosure inside building per (1)(b) ————————— | | |
| 1 | Entire enclosure. |
Sales, storage and rest rooms ————————— | | |
| (1) | If there is any opening to these rooms within the extent of a Division 1 area, the entire room must be classified as Division 1. |
(5) Heating equipment.
(a) Conformance. You must install heating equipment as provided in (b) through (e) of this subsection.
(b) Application. Heating equipment may be installed in the conventional manner in an area except as provided in (c), (d) or (e) of this subsection.
(c) Special room. Heating equipment may be installed in a special room separated from an area classified by Table H-19 by walls having a fire resistance rating of at least one hour and without any openings in the walls within eight feet of the floor into an area classified in Table H-19. You must not use this room for combustible storage and all air for combustion purposes must come from outside the building.
(d) Work areas. Heating equipment using gas or oil fuel may be installed in the lubrication, sales, or service room where there is no dispensing or transferring of Category 1 or 2 flammable liquids or Category 3 flammable liquids with a flashpoint below 100°F (37.8°C), provided the bottom of the combustion chamber is at least eighteen inches above the floor and the heating equipment is protected from physical damage by vehicles. Heating equipment using gas or oil fuel listed for use in garages may be installed in the lubrication or service room where Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100°F (37.8°C), are dispensed provided the equipment is installed at least eight feet above the floor.
(e) Electric heat. Electrical heating equipment must conform to subsection (4) of this section.
(6) Drainage and waste disposal. You must make provisions in the area where Category 1 or 2 flammable liquids, or Category 3 flammable liquids with a flashpoint below 100°F (37.8°C), are dispensed to prevent spilled liquids from flowing into the interior of service station buildings. Such provision may be by grading driveways, raising door sills, or other equally effective means. You must not dump crankcase drainings and flammable liquids into sewers but you must store them in tanks or drums outside of any building until removed from the premises.
(7) Sources of ignition. In addition to the previous restrictions of this section, the following must apply: You must ensure that there is no smoking or open flames in the areas used for fueling, servicing fuel systems for internal combustion engines, receiving or dispensing of flammable liquids. You must post conspicuous and legible signs prohibiting smoking within sight of the customer being served. You must shut off motors of all equipment being fueled during the fueling operation.
(8) Fire control. You must provide each service station with at least one fire extinguisher having a minimum approved classification of 6 B, C located so that an extinguisher will be within 75 feet of each pump, dispenser, underground fill pipe opening, and lubrication or service room.
Note: | For additional requirements relating to portable fire extinguishers see WAC 296-800-300. |
[Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050, and
49.17.060. WSR 15-24-100, § 296-24-33015, filed 12/1/15, effective 1/5/16. Statutory Authority: RCW
49.17.010,
49.17.040,
49.17.050,
49.17.060 and 29 C.F.R. 1910 Subpart Z. WSR 14-07-086, § 296-24-33015, filed 3/18/14, effective 5/1/14. Statutory Authority: RCW
49.17.010, [49.17].040, and [49.17].050. WSR 01-17-033, § 296-24-33015, filed 8/8/01, effective 9/1/01. Statutory Authority: Chapter
49.17 RCW. WSR 91-24-017 (Order 91-07), § 296-24-33015, filed 11/22/91, effective 12/24/91. Statutory Authority: RCW
49.17.040 and
49.17.050. WSR 85-10-004 (Order 85-09), § 296-24-33015, filed 4/19/85; WSR 83-24-013 (Order 83-34), § 296-24-33015, filed 11/30/83; Order 76-6, § 296-24-33015, filed 3/1/76; Order 73-5, § 296-24-33015, filed 5/9/73 and Order 73-4, § 296-24-33015, filed 5/7/73.]