Page 258 - 2018_IFC

ENERGY SYSTEMS

1206.2.8.7.1 Separation. Stationary storage battery 1206.2.9 Maximum allowable quantities. Fire areas
systems located outdoors shall be separated by a within buildings containing stationary storage battery sys-
minimum 5 feet (1524 mm) from the following: tems exceeding the maximum allowable quantities in
1. Lot lines. Table 1206.2.9 shall comply with all applicable Group H
occupancy requirements in this code and the International
2. Public ways.
Building Code.
3. Buildings.
Exception: Where approved by the fire code official,
4. Stored combustible materials. areas containing stationary storage batteries that exceed
5. Hazardous materials. the amounts in Table 1206.2.9 shall be treated as inci-
dental use areas and not Group H occupancies based on
6. High-piled stock.
a hazardous mitigation analysis in accordance with
7. Other exposure hazards.
Section 1206.2.3 and large-scale fire and fault condi-
Exception: The fire code official is authorized to tion testing conducted or witnessed and reported by an
approve smaller separation distances if large- approved testing laboratory.
scale fire and fault condition testing conducted or 1206.2.9.1 Mixed battery systems. Where areas
witnessed and reported by an approved testing within buildings contain different types of storage bat-
laboratory is provided showing that a fire involv- tery technologies, the total aggregate quantities of bat-
ing the system will not adversely impact occu- teries shall be determined based on the sum of
pant egress from adjacent buildings, or adversely percentages of each battery type quantity divided by the
impact adjacent stored materials or structures.
maximum allowable quantity of each battery type. If
1206.2.8.7.2 Means of egress. Stationary storage the sum of the percentages exceeds 100 percent, the
battery systems located outdoors shall be separated area shall be treated as a Group H occupancy in accor-
from any means of egress as required by the fire dance with Table 1206.2.9.
code official to ensure safe egress under fire condi- 1206.2.10 Storage batteries and equipment. The design
tions, but not less than 10 feet (3048 mm). and installation of storage batteries and related equipment
Exception: The fire code official is authorized to shall comply with Sections 1206.2.10.1 through
approve lesser separation distances if large-scale 1206.2.10.8.
fire and fault condition testing conducted or wit- 1206.2.10.1 Listings. Storage batteries and battery
nessed and reported by an approved testing labo- storage systems shall comply with the following:
ratory is provided showing that a fire involving
the system will not adversely impact occupant 1. Storage batteries shall be listed in accordance
egress. with UL 1973.
2. Prepackaged and preengineered stationary stor-
1206.2.8.7.3 Security of outdoor areas. Outdoor
areas in which stationary storage battery systems are age battery systems shall be listed in accordance
located shall be secured against unauthorized entry with UL 9540.
and safeguarded in an approved manner. Exception: Lead-acid batteries are not required to
be listed.
1206.2.8.7.4 Walk-in units. Where a stationary
storage battery system includes an outer enclosure, 1206.2.10.2 Prepackaged and preengineered sys-
the unit shall only be entered for inspection, mainte- tems. Prepackaged and preengineered stationary stor-
nance and repair of batteries and electronics, and age battery systems shall be installed in accordance
shall not be occupied for other purposes. with their listing and the manufacturer’s instructions.

TABLE 1206.2.9
MAXIMUM ALLOWABLE BATTERY QUANTITIES
BATTERY TECHNOLOGY MAXIMUM ALLOWABLE QUANTITIES a GROUP H OCCUPANCY
Flow batteries b 600 kWh Group H-2
Lead acid, all types Unlimited Not Applicable
Lithium, all types 600 kWh Group H-2
Nickel cadmium (Ni-Cd) Unlimited Not Applicable
Sodium, all types 600 kWh Group H-2
Other battery technologies 200 kWh Group H-2 c
For SI:1 kilowatt hour = 3.6 megajoules.
a. For batteries rated in amp-hours, Kilowatt-hours (kWh) shall equal rated battery voltage times the amp-hour rating divided by 1,000.
b. Shall include vanadium, zinc-bromine, polysulfide-bromide, and other flowing electrolyte-type technologies.
c. Shall be a Group H-4 occupancy if the fire code official determines that a fire or thermal runaway involving the battery technology does not represent a
significant fire hazard.

2018 INTERNATIONAL FIRE CODE ® 225
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