|Office Address :
||817 Antonio Maceda St
stores, office buildings, drinking and dining establishments having an occupant load test than 100,
printing plants, municipal police and fire stations, factories and workshops using materials not highly
flammable or combustible, storage and sales room for combustible goods, and paint stores without bulk
handling, and Division 3 -Aircraft hangars where no repair work is done except exchange of parts and
maintenance requiring no open flame, welding, or the use of highly flammable liquids; open parking
garages and heliports.
(6) Group F - Industrial. Group F Occupancies shall include: Ice plants, power plants, pumping plants,
cold storage, and creameries; factories and workshops using incombustible and non-explosive
materials; and storage and sales rooms of incombustible and non-explosive materials.
(7) Group G - Storage and Hazardous. Group G Occupancies shall include: Division 1 - Storage and
handling of hazardous and highly flammable or explosive materials other than flammable liquids; Division
2 - Storage and handling of flammable liquids; dry cleaning plants using flammable liquids; paint stores
with bulk handling; paint shops and spray painting rooms, and shops; Division 3 - Wood working
establishments, planning mills and box factories, shops factories where loose, combustible fibers or
dust are manufactured, processed or generated; warehouses where highly combustible material is
stored; Division 4 - Repair garages; and Division 5 - Aircraft repair hangars.
(8) Group H - Assembly Other Than Group I. Group H Occupancies shall include: Division 1 - Any
assembly building with a stage and an occupant load of less than 100 in the building; Division 2 - Any
assembly building without a stage and having an occupant load of 300 or more in the building; Division 3
- Any assembly building without a stage and having an occupant load of less than 300 in the building,
including such buildings used for school purposes less than eight hours per week; and Division 4 -
Stadiums, reviewing stands, amusement park structures not included within Group I or Divisions 1, 2, and
3, Group H Occupancies.
(9) Group I - Assembly Occupant Load 1000 or More. Group I Occupancies shall be any assembly
building with a stage and an occupant load of 1000 or more in the building.
(10) Group J - Accessory. Group J Occupancies shall include: Division 1 - Private garages, carports,
sheds, and agricultural buildings; Division 2 - Fences over 1.80 meters (6 feet) high, tanks, and towers.
(b) Other subgroupings or divisions within Groups A to J may be determined by the Secretary. Any other
occupancy not mentioned specifically in this Section, or about which there is any question, shall be
included in the Group which its use most nearly resembles based on the existing or proposed life and fire
(c) The Building Officials shall identify and indicate in the Certificate of Occupancy the appropriate
classification to which a building or structure to be constructed belongs.
SECTION 3.01.02: Change in Use
(a) No change shall be made in the character of occupancies or use of any building which would place
the building in a different division of the same group of occupancy or in a different group of occupancies,
unless such buildings is made to comply with the requirements for such division or group of occupancy:
Except, That the character of occupancy of existing buildings may be changed subject to the approval of
the Building Official and the building may be occupied for purposes set forth in other Groups without
conforming to all the requirements for those Groups, provided the new or proposed use is less
hazardous, based on life and fire risk, than the existing use.
SECTION 3.01.03: Mixed Occupancy
(a) General. When a building is used for more than one occupancy purposes, each part of the building
comprising a distinct "Occupancy" shall be separated from any other occupancy. When a building is used
for more than one occupancy purpose, it shall be subject to the most restrictive requirements for the
occupancies concerned: Except, - (1) When a one-story building houses more than one occupancy, each
portion of the building shall conform to the requirements for the occupancy housed therein, and the area
of the building shall be such that the sum of the actual areas divided by the allowable area for each
separate occupancy shall not exceed one; and (2) Where minor accessory uses do not occupy more than
10 per cent of the area of any floor of a building, nor more than 10 per cent of the basis are permitted in
the occupancy requirements. The major use of the building shall determine the occupancy classification
provided the uses are separated in accordance with requirements for occupancy separation.
(b) Forms of Occupancy Separation. Occupancy separations shall be vertical or horizontal or both, or
when necessary, of such other form as may be required to afford a complete separation between the
various occupancy divisions in the building.
(c) Types of Occupancy Separation. Occupancy separations shall be classed as "One-Hour
Fire-Resistive" "Two-Hour Fire-Resistive", "Three-Hour Fire-Resistive", and "Four-Hour Fire-Resistive".
(1) A "One-Hour Fire-Resistive Occupancy Separations" shall be of not less than one-hour fire-resistive
construction. All openings in such a separations shall be protected a fire assembly having a one-hour
(2) A "Two-Hour Fire-Resistive Occupancy Separation" shall be of not less than