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
Mixed-Use Space
 A1- outdoor spaces
 B- transactions of business, professional services, other services involving merchandise,
office buildings, banks
 M- retail stores, service stations, shops, salesrooms, markets, and shopping centers
 R2- apartments

Various Required Dimensions
 Building Height: maximum of 95 feet
 Lot Area: minimum of 5,000 square feet
 Lot Width: minimum of 25 feet
 Front Yard Depth: Building and parking used for residential use: minimum of 25 feet
from the curb
 Buildings to a height of 40 feet for non-residential use: minimum of 15 feet from
the curb

Applicable Building Codes
 Structural:
 Proper anchorage, structural members, systems, and components shall be
utilized for various calculated loads
 Mechanical:
 Every dwellings shall be provided with heating facilities capable of maintained a
room temperature of 68 degrees F
 Plumbing: restroom fixture counts required by the program:
 Assembly:
 Water closet: 1 per 75 males/40 females
 Lavatories: 1 per 200 males/150 females
 Business:
 Water closet: 1 per 25 males/40 females
 Lavatories: 1 per 25 males/40 females
 Mercantile:
 Water closet: 1 per 500 males/750 females
 Lavatories: 1 per 500 males/750 females
 Residential:
 Water closet: 1 per dwelling unit
 Lavatories: 1 per dwelling unit
 Bathtubs or showers: 1 per dwelling unit
 Electrical:
 Every habitable space shall have at least one window of approved size facing to
the outdoors and shall provide some natural or artificial light

Every public hall, interior stairway, toilet room, kitchen, bathroom, laundry
room, boiler room, and furnace room shall contain at least one electric
luminaire

Occupancy
 Occupancy Types
 Public Spaces (more than 50 people):
 Civic or social gathering purposes have to have at least two approved
exits
 Doors must swing in the egress direction
 Residential Spaces (Living room, Dining room, Kitchen):
 Minimum gross floor area per occupant shall be 200 square feet
 Room widths should be no less than 7 feet in any direction
 Living rooms should be at least 120 square feet
 Bedrooms should be at least 70 square feet
 Ceilings should be no less than 7 feet in height

Fire Protection
 Fire Separation
 Various fire blocking, draft stopping, smoke barriers, fire walls, fire barriers, fire
partitions, and smoke partitions are required
 Fire barriers:
 Shall be 2 hours
 Shall extend from the top of the foundation to the underside of the
floor
 Are not required where a glass wall forming a smoke partition is
provided, and automatic sprinklers should be provided along both sides
of the separation wall
 Sprinkler Systems
 With a sprinkler system, maximum building height is increased by 20 feet or 1
story
 A single exit is acceptable where the building is equipped with sprinklers
 Minimum of one approved single-station smoke alarm is required for the spaces
 Assembly:
o Without sprinklers: 200 feet
o With sprinklers: 250 feet
 Business:
o Without sprinklers: 200 feet
o With sprinklers: 300 feet
 Mercantile:
o Without sprinklers: 200 feet
o With sprinklers: 250 feet

Residential:
o Without sprinklers: 200 feet
o With sprinklers: 250 feet

Egress Methods
 Egress Paths
 Safe, continuous, unobstructed path of travel shall be provided from any point
in the building to the public way
 Means of egress shall be equipped with artificial and emergency lighting and
exit signs
 Exits
 Each emergency escape and rescue window shall have a minimum net clear
opening of 5.7 square feet
 Net clear opening shall be at least 24 inches in height and at least 20 inches in
width
 The bottom of the net clear opening shall not be more than 44 inches above the
floor
 The minimum net clear opening for grade floor windows shall be 5 square feet
 In stories where more than 1 exit is required, all occupants shall have access to
at least 2 exits
 Stairs/Elevators
 At least one elevator shall be maintained in operation at all times when the
building is occupied
 Each story above the second story of a building shall have a minimum of one
interior or exterior exit stairway
 Capacity, in inches, of means of egress stairway shall be calculated by
multiplying the occupant load served by a means of egress capacity factor of 0.3
inch per occupant

Multi-Floor Atrium Spaces With Vertical Openings
 The portion of exit access travel distance within the atrium space shall not be greater
than 200 feet
 Atrium spaces shall be separated from adjacent spaces with a 1 hour fire barrier
 Where the ceilings of the atrium is more than 55 feet above the floor, sprinkler
protection at the ceiling of the atrium is not required

Parking
 Parking for non-residential uses shall be equal to or greater than 1 space per 800 square
feet of gross floor area per building
 Up to 30,000 square feet of gross floor area for parking per building

Incentives
 Front setback increase: building shall be set back 25 feet or more from the curb
 Green certified: minimum of 26 points through LEED
 26 to 32 points: 10% reduction in required parking
 33 to 38 points: 1 additional story plus a 10% reduction in required parking
 39 or more points: 1 additional story plus a 20% reduction in required parking
 Underground parking: 75% of the parking underground
 Street level commercial:
 Area dedicated to the commercial shall be no less than 25% of the building’s
ground floor area and shall abut the exterior walls facing the street
 At least 50% of the commercial spaces exterior wall shall be devoted to
windows