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Building Code – Local Amendments

Portions of ordinances, which were adopted by Mt. Lebanon on or before July 1, 1999 and which are equal to or exceed the requirements of the Code, as incorporated into the 2009 International Building Code.

 

101.1   Title.   These regulations shall be known as the Building Code of Mt. Lebanon, PA., hereinafter referred as “this code”.

 

101.2   Scope. The provisions of this code shall apply to the construction, alteration, movement, enlargement, replacement, repair, equipment, use and occupancy, location, maintenance, removal and demolition of every building or structure or any appurtenances connected or attached to such buildings or structures.

Exceptions:

  1. Detached one- and two-family dwellings and their accessory structures shall comply with the International Residential Code.
  2. Existing buildings undergoing repair, alterations or additions and change of occupancy shall be permitted to comply with the International Existing Building Code.

 

105.3.2  Work progress.  Work being performed under the auspices of an issued building permit shall progress at a pace no slower than prescribed in sub-sections 105.3.2.1, 105.3.2.2 and 105.3.2.3 listed below.

 

105.3.2.1  Site.  Prior to the expiration of twelve (12) months from the date of commencement of work, owner shall complete rough grading of the site, seeding with contactors’ mix to control erosion and installation of public sidewalks and private driveways.

 

105.3.2.2  Building closure.  Prior to the expiration of eighteen (18) months from the date of commencement of work, owner shall complete the enclosure of all structures, including roofing, windows and doors, and the installation of approved exterior coverings.

 

105.3.2.3  Revocation of permit.  The code official shall revoke a permit or approval issued under the provisions of this code in any case of any false statement or misrepresentation of fact in the application or on the plans on which the permit or approval was based.

 

105.5  Expiration.  Every permit issued shall become invalid unless the work on the site authorized by such permit is commenced within 180 days after its issuance, or if the work authorized on the site by such permit is suspended or abandoned for a period of 180 days after the time the work is commenced.  The building official is authorized to grant, in writing, one extension of time for a period of not more than 90 days.  The extension shall be requested in writing and justifiable cause demonstrated.

 

308.3  Group I-1.  This occupancy shall include buildings, structures or parts thereof housing more than 5 persons, on a 24-hour basis, who because of age, mental disability or other reasons, live in a supervised residential environment that provides personal care services.  The occupants are capable of responding to an emergency situation without physical assistance from staff.  This group shall include, but not be limited to, the following:

Alcohol and drug centers

Assisted living facilities

Congregate care facilities

Convalescent facilities

Group homes

Halfway houses

Residential board and care facilities

Social rehabilitation facilities

A facility such as the above with five or fewer person shall be classified as Group R-3 or shall comply with the Residential Building Code in accordance with Section 101.2.

 

403.1  Applicability.  The provisions of this section shall apply to buildings having occupied floors located more than 50 feet (15.24 m) above the lowest level of fire department vehicle access.

 

406.3.4  Separation.  Separations shall comply with the following:

  1. The private garage shall be separated from the dwelling unit and its attic area by not less than one-hour fire resistive construction.  Garages beneath habitable rooms shall be separated from all habitable rooms above by fire partitions and floor/ceiling assemblies which are constructed with not less than a one-hour fire resistive rating.  Door openings between a private garage and the dwelling unit shall be equipped with doors appropriate for the required one-hour fire resistance.

 

TABLE 509

INCIDENTAL USES

ROOM OR AREA

SEPARATION AND/OR PROTECTION

Furnace room where any piece of equipment is over 400,000 Btu per hour input One hour and provide automatic fire-extinguishing system
Rooms with boilers where the largest piece of equipment is over 15 psi and 10 horsepower One hour or provide automatic fire-extinguishing system
Refrigerant machinery rooms One hour or provide automatic sprinkler system
Parking garage (Section 406.2) Two hours; or one hour and provide automatic fire-extinguishing system
Hydrogen cut-off rooms One hour fire barriers and floor/ceiling assemblies in Group B, F, H, M, S and U occupancies.  Two-hour fire barriers and floor/ceiling assemblies in Group A, E, I and R occupancies
Incinerator rooms Two hours and automatic sprinkler system
Paint shops, not classified as Group H, located in occupancies other than Group F One hour and provide automatic fire-extinguishing system
Laboratories and vocational shops, not classified as Group H, located in Group E or I-2 occupancies One hour and provide automatic fire-extinguishing system
Laundry rooms over 100 square feet One hour and provide automatic fire-extinguishing system
Storage rooms over 50 square feet Provide automatic fire-extinguishing system
Group I-2 and I-3 storage rooms over 100 square feet One hour and provide automatic fire-extinguishing system
Group I-3 cells equipped with padded surfaces One hour and provide automatic fire-extinguishing system
Group I-2 retail/gift shops and laboratories not classified as Group H Provide automatic fire-extinguishing system
Waste and linen collection rooms and chute termination room One hour and provide automatic fire-extinguishing system
Stationary storage battery systems having a liquid electrolyte capacity of more than 50 gallons, or a lithium-ion capacity of 1,000 pounds used for facility standby power, emergency power or uninterrupted power supplies One hour fire barriers and floor/ceiling assemblies in Group B, F, H, M, S and U occupancies.  Two-hour fire barriers and floor/ceiling assemblies in Group A, E, I and R occupancies.
Group A, B, E, I, M or R physical plant maintenance shop or workshop One hour and provide automatic fire-extinguishing system
Group I-2 and I-3 handicraft shops, kitchens and employee locker rooms Provide automatic fire-extinguishing system


903.2.1.1  Group A-1.
  An automatic sprinkler system shall be provided for Group A-1 occupancies where one of the following conditions exists:

1.  The fire area exceeds 5,000 square feet (465 m2);

2.  The fire area has an occupant load of 300 or more;

3.  The fire area is located on a floor other than the level of exit discharge; or

4.  The fire area contains a multi-theater complex.

 

903.2.1.3  Group A-3.  An automatic sprinkler shall be provided for Group A-3 occupancies where one of the following conditions exists:

1.  The fire area exceeds 5,000 square feet (465 m2);

2.  The fire area has an occupant load of 300 or more; or

3.  The fire area is located on a floor other than the level of exit discharge.

Exception:  Areas used exclusively as participant sports areas where the main floor area is located at the level of exit discharge of the main entrance and exit.

 

903.2.1.4  Group A-4.  An automatic sprinkler shall be provided for Group A-4 occupancies where one of the following conditions exists:

1.  The fire area exceeds 5,000 square feet (465 m2);

2.  The fire area has an occupant load of 300 or more; or

3.  The fire area is located on a floor other than the level of exit discharge.

Exception:  Areas used exclusively as participant sports areas where the main floor area is located at the level of exit discharge of the main entrance and exit.

 

903.2.3  Group E.  An automatic sprinkler shall be provided for Group E occupancies as follows:

1.  Throughout all Group E fire areas greater than 5,000 square feet (465 m2) in area.

2.  Throughout every portion of educational buildings below the level of exit discharge.

Exception:  An automatic sprinkler system is not required in any fire area of area below the level of exit discharge where every classroom throughout the building has at least one exterior exit door at ground level.

 

903.2.4  Group F-1.  An automatic sprinkler shall be provided throughout all buildings containing a Group F-1 occupancy where one of the following conditions exists:

  1. Where a group F-1 fire area exceeds 5,000 square feet (465 m2);
  2. Where a group F-1 fire area is located more than three stories above grade; or
  3. Where the combined area of all Group F-1 fire areas on all floors, including any mezzanines, exceeds 15,000 square feet (1,393.5 m2).

 

903.2.7  Group M and B.  An automatic sprinkler shall be provided throughout buildings containing a Group M and B occupancy where one of the following conditions exists:

  1. Where a group M or B fire area exceeds 5,000 square feet (465 m2);
  2. Where a group M or B fire area is located more than three stories above grade; or
  3. Where the combined area of all Group M and B fire areas on all floors, including any mezzanines, exceeds 15,000 square feet (1,393.5 m2).

 

903.2.8  Group R.  An automatic sprinkler system installed in accordance with Section 903.3 shall be provided throughout all buildings with a Group R fire area.

 

903.2.9  Group S-1.  An automatic sprinkler shall be provided throughout all buildings containing a Group S-1 occupancy where one of the following conditions exists:

  1. Where a group S-1 area exceeds 5,000 square feet (465 m2);
  2. Where a group S-1 fire area is located more than three stories above grade; or
  3. Where the combined area of all Group S-1 fire areas on all floors, including any mezzanines, exceeds 15,000 square feet (1,393.5 m2).

 

905.3.2  Group A.  Class I automatic wet standpipes shall be provided in nonsprinklered Group A buildings having an occupant load exceeding 1,000 persons.

Exceptions:

  1. Open-air-seating spaces without enclosed spaces.
  2. Class I automatic dry and semi-automatic dry standpipes or manual wet standpipes are allowed in buildings where the highest floor surface used for human occupancy is over 50 feet (15.24 m) or less above the lowest level of fire department vehicle access.

 

905.3.9  Building area.  Standpipe systems shall be installed in all buildings where any portion of the building floor area is more than 200 feet (61 m) of travel from the main building entrance.

Exceptions:

  1.  Occupancies in Use Group A-4, F-2, or U, and
  2. Buildings less than 10,000 square feet (930 m2).

 

907.2.1  Group A.  A manual fire alarm system shall be installed in accordance with NFPA 72 in Group A occupancies having an occupant load of 300 or more or with a fire area in excess of 2,500 square feet (233 m2).  Portions of Group E occupancies occupied for assembly purposes shall be provided with a fire alarm system as required for the Group E occupancy.

In addition, an automatic fire detection system shall be installed in Group A occupancies with a fire area in excess of 2,500 square feet (233 m2).

Exception:  Where the building is equipped throughout with an automatic sprinkler system in accordance with Section 903, Automatic Sprinkler Systems, an automatic fire detection system shall be installed and maintained in Group A occupancies as follows:

  1.  Where the Group A occupancy fire area exceeds 10,000 square feet (930 m2).
  2. Where the Group A occupancy fire area is either above or below the level of exit discharge of exits that serve the Group A occupancy.

Exception was deleted.  (Manual Stations)

 

907.2.2  Group B.  A manual fire alarm system shall be installed in accordance with NFPA 72 in Group B occupancies having an occupant load of 500 or more persons or more than 100 persons above or below the lowest level of exit discharge or one of the following conditions exists:

  1.  Where any Use Group B fire area exceeds 5,000 square feet (465 m2);
  2. Where the total combined area of all Use Group B fire areas exceeds 15,000 square feet (1,395 m2); or
  3. Where any Use Group B fire area is two or more stories above the lowest level of exit discharge or two or more stories below the highest level of exit discharge.

In addition, an automatic fire alarm system shall be installed in all occupancies in Use Group B having occupied floors more than 50 feet (15.24 m) above the lowest level of exit discharge or more than one story below the lowest level of exit discharge serving that floor level.

Exception was deleted.  (Manual Stations)

 

907.2.3  Group E.   Exceptions deleted.

 

907.2.4  Group F and S-1.  A manual fire alarm system shall be installed in accordance with NFPA 72 in Group F and S-1 occupancies that are two or more stories in height and have an occupant load of 500 or more persons above or below the lowest level of exit discharge or one of the following conditions exists:

  1.  Where any Use F-1 and S-1 fire area exceeds 5,000 square feet (465 m2);
  2. Where the total combined area of all Use Group F-1 and S-1 fire areas exceeds 15,000 square feet (1,395 m2); or
  3. Where any Use Group F-1 and S-1 fire area is two or more stories above the lowest level of exit discharge or two or more stories below the highest level of exit discharge.

In addition, an automatic fire alarm system shall be installed in all occupancies in Use Group F and S-1 having occupied floors more than 50 feet (15.24 m) above the lowest level of exit discharge or more than one story below the lowest level of exit discharge serving that floor level.

Exception was deleted.  (Manual Stations)

 

907.2.6  Group I.  Exception 1 deleted.

 

907.2.7  Group M.  A manual fire alarm system shall be installed in accordance with NFPA 72 in Group M occupancies, other than covered mall buildings complying with Section 402, having an occupant load of 500 or more persons or more than 100 persons above or below the lowest level of exit discharge or one of the following conditions exists:

  1.  Where any Use Group M fire area exceeds 5,000 square feet (465 m2);
  2. Where the total combined area of all Use Group M fire areas exceeds 15,000 square feet (1,395 m2); or
  3. Where any Use Group M fire area is two or more stories above the lowest level of exit discharge or two or more stories below the highest level of exit discharge.

In addition, an automatic fire alarm system shall be installed in all occupancies in Use Group M having occupied floors more than 50 feet (15.24 m) above the lowest level of exit discharge or more than one story below the lowest level of exit discharge serving that floor level.

Exceptions deleted.  (Manual Stations)

 

907.2.9.1  Manual fire alarm system.  A manual fire alarm system shall be installed in Group R-2 occupancies.

 

907.2.11.3  Interconnection.  Where more than one smoke alarm is required to be installed within an individual dwelling unit or sleeping unit in Group I-1, R-2, R-3 or R-4, or within an individual dwelling unit or sleeping unit in Group R-1, the smoke alarms shall be interconnected in such a manner that the activation of one alarm will activate all of the alarms in the individual unit.  The alarm shall be clearly audible in all bedrooms over background noise levels with all intervening doors closed.

 

907.2.13  High-rise buildings.  In buildings used for human occupancy that have floors located more than 50 feet (15.24 m) above the lowest level of fire department vehicle access, a separate zone by floor shall be provided for all of the following types of alarm initiating devices where provided:

  1.  Smoke detectors.
  2. Sprinkler water-flow devices.
  3. Manual fire alarm boxes.
  4. Other approved types of automatic fire detection devices or suppression systems.

 

907.2.13.1.3  Remote indication.  Alarm initiating devices located in obscure areas shall be separately annunciated or have remote indicators installed in a location approved by the fire department.

 

907.6.3  Zones.   Each floor shall be zoned separately and a zone shall not exceed 10,000 square feet (930 m2).  The length of any zone shall not exceed 150 feet (45.72 m) in any direction.

Exceptions:  Automatic sprinkler system zones shall not exceed the area permitted by NFPA 13.

 

1011.1.1  Low level exit signs.  In Group A, B, I-2, M or R-1 occupancies, at locations deemed necessary by the authority having jurisdiction, low level “Exit” signs, meeting the requirements of Section 1011, Exit signs, shall be installed.  Low level “Exit” signs shall be of a durable design and shall be mounted as follows:

 

1022.10  Smokeproof enclosures and pressurized stairways.  In buildings required to comply with Section 403 or 405, each of the exits of a building that serves stories where the floor surface is located more than 50 feet (15.24m) above the lowest level of fire department vehicle access or more than 30 feet (9.14 m) below the level of exit discharge serving such floor levels shall be a smokeproof enclosure or pressurized stairway in accordance with Section 909.20. 

 

3412.6.8  Automatic fire detection.  Single or multiple-station smoke detectors shall be installed and maintained in full operating condition in existing buildings constructed prior to 1993 in the locations described for new buildings in Group R-2, R-3, R-4 and I-1.

 

3412.6.8.1  Power sources.  In buildings constructed prior to 1993, occupancies in Group   I-1, R-2, R-3 and R-4, required detectors may be powered by AC current or battery, so long as they are of an approved type and installed in accordance with the provisions of this code and NFPA 72.

 

3412.6.8.2  Interconnection.  Single or multiple-station smoke detectors required in buildings constructed prior to 1993 in Group I-1, R-2, R-3 or R-4 are not required to be interconnected.

 

3412.6.9  Fire alarm systems.  Existing buildings in Group A-1, A-2, A-3, A-4, I-1, I-2, I-3, R-1 or R-2 constructed prior to 1993 shall install an approved manual, automatic or manual and automatic fire alarm system in accordance with Section 907.2 as required for new buildings.