14B-9-910 Smoke and heat removal.

The provisions of Section 910 of IBC are adopted by reference with the following modifications:

1.   Revise Section 910.2, excluding the exceptions, to read:

"910.2 Where required.

Smoke and heat vents or a mechanical smoke removal system shall be installed as required by Sections 910.2.1 through 910.2.3."

2.   Revise exception 1 to Section 910.2 by deleting "approved."

3.   Revise Section 910.2.1 to read:

"910.2.1 Group F-1 or S-1.

A mechanical smoke removal system installed in accordance with Section 910.4 shall be installed in buildings and portions thereof used as a Group F-1 or S-1 occupancy having more than 50,000 square feet (4645 m2) of undivided area.

Exception: Group S-1 aircraft repair hangars."

4.   Revise Section 910.2.2 to read:

"910.2.2 High-piled combustible storage.

A mechanical smoke removal system installed in accordance with Section 910.4 shall be installed in buildings and portions thereof containing high-piled combustible storage."

5.   Insert a new Section 910.2.3 to read:

"910.2.3 Exhibition areas.

Automatic smoke and heat vents in accordance with Section 910.3 shall be installed on the topmost occupied story of exhibition areas with a floor area in excess of 10,000 square feet (929 m2). Where the upper surface of a story containing an exhibition area is not a roof assembly, a mechanical smoke removal system in accordance with Section 910.4 shall be installed."

6.   Revise Section 910.3.2 by adding the following sentence at the end:

"Vents shall be spaced no greater than 100 feet (30.5 m) apart, on center."

7.   Revise Section 910.4.1 by deleting "approved."

14B-9-911 Fire command center.

The provisions of Section 911 of IBC are adopted by reference with the following modifications:

1.   Revise Section 911.1.1 to read:

"911.1.1 Location and access.

The location and accessibility of the fire command center shall be reviewed and accepted by the fire code official. The fire command center shall comply with the following criteria:

1.   All panels shall be located in the line of sight immediately inside the primary entrance to the building which is facing the street of the building address. The building address number shall be conspicuously displayed above or next to the primary entrance doors.

2.   Panels shall not be located in a separate room.

3.   A six foot (1829 mm) clear working space shall be provided in front of all panels.

4.   Panels shall be mounted vertically on a wall.

5.   Panels shall be mounted so that the bottom edge is no less than 18 inches (457 mm) above the floor and the top edge is no more than 74 inches (1880 mm) above the floor.

6.   Darkened, tinted or opaque glass shall not be used to cover or obscure the panels.

Exception: Slightly-tinted glass, as approved by the fire code official.

7.   Panel doors shall be completely removable from the hinges.

8.   Where a stairway door locking system is used, the required release switch shall be clearly marked.

9.   Where panel doors are locked, an elevator-type key box, containing the panel door key, shall be provided in the immediate vicinity of the panels.

10.   All panels shall be clearly labeled at the top to indicate the purpose or function, such as "detection," "voice communication," "elevators," or "generator."

2.   Delete Section 911.1.2.

3.   Delete Section 911.1.3.

4.   Revise Section 911.1.4 to read:

"911.1.4 Layout review.

A layout of the fire command center and all features required by this section to be contained therein shall be submitted to the fire code official for review and acceptance prior to installation."

5.   Delete Section 911.1.5.

6.   Revise Section 911.1.6 to read:

"911.1.6 Required features.

The fire command center shall comply with NFPA 72 and shall contain all of the following features:

1.   [Reserved.]

2.   The fire department communications system.

3.   Fire detection and alarm system annunciator.

4.   Annunciator unit visually indicating the location of the elevators and whether they are operational.

5.   Status indicators and controls for air distribution systems.

6.   The fire fighter’s control panel required by Section 909.16 for smoke control systems installed in the building.

7.   Controls for unlocking interior exit stairway doors simultaneously.

8.   Sprinkler valve and waterflow detector display panels.

9.   Emergency and standby power status indicators.

10.   A telephone for fire department use.

11.   Fire pump status indicators.

12.   Schematic building plans indicating the typical floor plan and detailing the building core, means of egress, fire protection systems, fire fighter air replenishment system, fire-fighting equipment and fire department access and the location of fire walls, fire barriers, fire partitions, smoke barriers and smoke partitions.

13.   A Building Information Card that contains, information specified in rules adopted by the fire code official.

14.   [Reserved.]

15.   Generator supervision devices, manual start and transfer features.

16.   Public address system, where specifically required by other sections of this code.

17.   Elevator fire recall switch in accordance with the Chicago Conveyance Device Code.

18.   Elevator emergency or standby power selector switch(es), where emergency or standby power is provided."

14B-9-912 Fire department connections.

The provisions of Section 912 of IBC are adopted by reference with the following modifications:

1.   Revise Section 912.2 to read:

"912.2 Location.

With respect to hydrants, driveways, buildings and landscaping, fire department connections shall be so located that the fire apparatus and hose connected to supply the system will not obstruct access to buildings for other fire apparatus. At least one fire department connection shall be provided on each street exposure where the building is located closer than 100 feet (30.5 m) to the curb. If any street exposure is more than 250 feet (76.2 m) long, there shall be two fire department connections at least 200 feet (61.0 m) apart. Where a building has no street frontage, the fire department connection shall be located at the main entrance. The location of fire department connections shall be reviewed and accepted by the fire code official.

Exceptions:

1.   Where a building has more than two street exposures, fire department connections are only required for two of the street exposures.

2.   Where two adjacent street exposures have a combined length not greater than 250 feet (76.2 m), one fire department connection shall be allowed."

2.   Revise Section 912.2.1 by deleting "approved."

3.   Revise Section 912.2.2 by replacing "an approved" with "a" and deleting the last sentence.

4.   Revise Section 912.3 by deleting "be approved and shall."

5.   Revise Section 912.4 by deleting the last sentence.

6.   Revise the exception to Section 912.4 by deleting "approved by the fire code official."

7.   Revise Section 912.4.1 to read:

"912.4.1 Breakaway fire department connection caps.

The fire code official is authorized to require breakaway caps on fire department connections for water-based fire protection systems."

8.   Revise Section 912.4.2 to read:

"912.4.2 Clear space around connections.

A working space with a radius of 5 feet (1524 mm) shall be provided and maintained in front of wall-mounted fire department connections and around the circumference of free-standing fire department connections, except as otherwise required or approved by the fire code official."

9.   Revise Section 912.4.3 by deleting "Section 312 of."

(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 35; Amend Coun. J. 10-7-20, p. 21791, Art. II, § 19)

14B-9-913 Fire pumps.

The provisions of Section 913 of IBC are adopted by reference with the following modifications:

1.   Revise exception 1 to Section 913.2.1 to read:

"1.   In buildings less than 55 feet (16.8 m) in building height, separation by 1-hour fire barriers constructed in accordance with Section 707 or 1-hour horizontal assemblies constructed in accordance with Section 711, or both, shall be permitted in buildings equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2."

2.   Delete item 4 in Section 913.4.

14B-9-914 Emergency responder safety features.

The provisions of Section 914 of IBC are adopted by reference with the following modifications:

1.   Add a new exception to Section 914.1.1 to read:

"Exception: Markings shall not be required on shaftway openings that are readily discernible as openings onto a shaftway by the construction or arrangement."

2.   Revise Section 914.2 to read:

"914.2 Equipment room identification.

Fire protection equipment shall be clearly identified. Rooms containing controls for air-conditioning systems, sprinkler risers and valves or other fire detection, suppression or control elements shall be identified for the use of the fire department. Signs required to identify fire protection equipment and equipment location shall be constructed of durable materials, permanently installed and readily visible."

14B-9-915 Carbon monoxide detection.

The provisions of Section 915 of IBC are adopted by reference with the following modifications:

1.   Revise Section 915.1 by replacing "Chapter 11 of the International Fire Code" with "the Chicago Minimum Requirements for Existing Buildings."

2.   Revise Section 915.1.1 by replacing "through 915.1.6" with "through 915.1.5."

3.   Revise the exception to Section 915.1.3 by replacing "an approved location" with "a location that is monitored at all times when the building is occupied."

4.   Revise exception 2.1 to Section 915.1.4 by replacing "an approved" with "a."

5.   Revise exception 4 to Section 915.1.5 by replacing "an approved" with "a."

6.   Delete Section 915.1.6.

7.   Revise Section 915.2.3 to read:

"915.2.3 Group E and I-4 occupancies.

Carbon monoxide detectors shall be installed in classrooms in Group E and I-4 occupancies. Carbon monoxide alarm signals shall be automatically transmitted to an on-site location that is staffed by school personnel.

Exception: Carbon monoxide alarm signals shall not be required to be automatically transmitted to an on- site location that is staffed by school personnel in Group E or I-4 occupancies with an occupant load of 30 or less."

(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 36)

14B-9-916 Gas detection systems.

The provisions of Section 916 of IBC are adopted by reference with the following modifications:

1.   Revise Section 916.2 to read:

"916.2 Permits.

Permits shall be required as set forth in the Chicago Fire Prevention Code."

2.   Revise Section 916.4 to read:

"916.4 Power connections.

Gas detection systems shall be permanently connected to the building electrical power supply."

3.   Revise Section 916.5 by replacing "an approved" with "a central."

4.   Revise Section 916.6 by deleting "approved."

5.   Revise items 2 and 3 of Section 916.7 to read:

"2.   For toxic gases that are not HPM, sample analysis shall be performed at intervals not exceeding 5 minutes in accordance with the Chicago Fire Prevention Code.

3.   Where a less frequent or delayed sampling interval is approved by the fire code official."

6.   Revise Section 916.10 to read:

"916.10 Fire alarm system connections.

Gas sensors and gas detection systems shall not be connected to fire alarm systems unless approved by the fire code official and connected in accordance with the fire alarm equipment manufacturer’s instructions."

(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 37)