RULE 7 Flashcards

1
Q

Occupancy vs zoning

A

Occupancies are assigned to buildings,
while zones are assigned to lands.

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2
Q

Occupancy classifications

A

A – Residential dwellings
B - Residentials, hotels, apartments
C - Education and recreation
D – Institutional
E – Business and mercantile
A – Residential dwellings
B - Residentials, hotels, apartments
C - Education and recreation
D – Institutional
E – Business and mercantile
A – Residential dwellings
B - Residentials, hotels, apartments
C - Education and recreation
D – Institutional
E – Business and mercantile
PRE - Park structures, recreation,
entertainment
CUL – Cultural
A – Agricultural
AI – Agroindustrial
PUD – Planned unit development

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3
Q

Occupancies
A - Residential dwellings

A

A-1: Residential building for single family
occupants
A-2: Residential building for non-leasing
occupants not exceeding 10 persons

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4
Q

B - residentials, hotels, apartments

A

Multiple dwelling units including boarding
or lodging houses, hotels, apartment
buildings, rowhouses, convents,
monasteries and other similar building each
of which accommodates more than 10
persons.

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5
Q

C - education + recreation

A

Buildings used for school or day-care
purposes not classified in Group H or I
occupancies

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6
Q

D - institutional

A

D-1: Institutions where personal liberties are
restrained (mental hospitals, jails)
D-2: Institutions for the care of nonambulatory patients and children under
kindergarten age
D-3: Institutions for ambulatory patients and
homes for children over kindergarten age

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7
Q

E - business + mercantile

A

E-1: No work is done except exchange of
parts, maintenance without open flame,
welding, or highly flammable liquids
(gasoline filling station, storage garage)
E-2: Wholesale and retail stores, office
buildings, dining establishments
E-3: Aircraft hangars and open parking
garages (no repair work)

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8
Q

F - industrial

A

Light industrial
Ice plants, power plants, pumping plants,
cold storage, factories and workshops
using incombustible and non-explosive
materials

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9
Q

G - storage + hazardous

A

G-1: Medium industrial, storage of highly
flammable materials
G-2: Medium industrial, storage of flammable
materials: dry cleaning plants, paint stores,
spray-painting rooms
G-3: Medium industrial structures where
loose combustible fibers are generated: wood
working establishments
G-4: Medium industrial for repair garages
and engine manufacturing
G-5: Medium industrial for aircraft repair

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10
Q

H - assembly for less than 1,000

A

H1: Assembly buildings with stage for less
than 1,000
H2: Assembly buildings without stage for
300 or more
H3: Assembly buildings without stage for
less than 300
H4: Recreational/tourism developments
not included in other H classifications
(stadiums, reviewing stands, and
amusement parks)

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11
Q

I - assembly for 1,000 or more

A

Any assembly building with a stage and
an occupant load of 1,000 or more

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12
Q

I - assembly for 1,000 or more

A

Any assembly building with a stage and
an occupant load of 1,000 or more

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13
Q

J - accessory

A

J1: Agricultural structures
J2: Carports/garages, fences, towers and
pools
J3: Stages, courts, tombs, mausoleums,
zoos, and banks

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14
Q

Zoning classifications
R-1

A

Low-density residential zone
Characterized by single-family and singledetached dwellings

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15
Q

Zoning classifications
R-2

A

Medium-density residential zone
Characterized by low-rise single-attached,
duplex, or multilevel buildings for use as
multiple family dwellings

Further subclassified into:
Basic R2
Single attached or duplex, 1-3 floors
Maximum R2
Low-rise multi-level building, 3-5 floors

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16
Q

Zoning classifications
R-3

A

High-density residential zone
Characterized low-rise or medium-rise
buildings for use as multiple family
dwellings
Includes low-rise or medium-rise
condominium buildings
Further subclassified into:
Basic R3
Rowhouses 1-3 storeys high
Maximum R3
Medium-rise multilevel structure 6-12 storeys
high

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17
Q

Zoning classifications
R-4

A

Medium to high-density residential zone
Characterized by low-rise townhouses or
buildings for use as multiple family
dwellings
Refers to structures on an individual lot
(“townhouse”)

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18
Q

Zoning classifications
R-5

A

Very high density residential zone
Characterized by medium-rise to highrise condominiums

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19
Q

Zoning classifications
C-1

A

Light commercial
Neighborhood to community in scale
Low-rise buildings (1-3 storeys)
Low-intensity trade/activity
Example: Small shopping centers

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20
Q

Zoning classifications
C-2

A

Medium commercial
City or municipal in scale
Medium-rise buildings (3-5 storeys)
Medium to high intensity trade
Example: Shopping centers

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21
Q

Zoning classifications
C-3

A

Metropolitan commercial
Metropolitan in scale
Medium to high-rise buildings (3-5
storeys)
Very high intensity trade
Example: Large to very large shopping
malls

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22
Q

Zoning classifications
GI

A

General institutional
Community to national level of
institutional use. Low-rise to high-rise.
Two types:
Education/Recreation
Medical/Government

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23
Q

Zoning classifications
I-1

A

Light industrial use
Low-rise but sprawling
Low-intensity manufacturing

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24
Q

Zoning classifications
I-2

A

Medium industrial use
Low-rise but sprawling
Medium-intensity manufacturing

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25
UTS (Utilites, transpo, services)
 Utilitarian, functional uses  Low-rise to medium rise  Low to high-intensity community support functions  Two clusters: Transport terminals, intermodals, depots Power/water generation/distribution, telcos, waste management facilities
26
SPE (Special)
Other vertical facilities not yet mentioned  Included cemeteries and memorial parks
27
PRE (Park structures, recreation, entertainment)
 Low-rise to medium rise  Low to medium intensity recreational functions related to educational uses (parks on campus, other recreational/assembly structures on campus)
28
CUL (Cultural)
 Community to national level of use or occupancy  Low-rise to medium rise
29
A - (Agricultural)
 Low to medium rise  Low to high intensity agricultural activity  Includes farms, but also offices and facilities for agricultural research and training
30
AI (Agroindustrial)
 Low rise  Low to high intensity agroindustrial activity  Includes offices and facilities for agroindustrial education and research
31
PUD (Planned unit development)
 Land development or redevelopment schemes for a new project which has a CDMP (Comprehensive Development Masterplan) or equivalent  Example: Bonifacio Global City
32
Mixed occupancies
 Rule of thumb: The building adheres to the stricter requirements.  Exceptions: If it’s a one-storey building, in which case each portion shall conform to applicable rules If the minor occupancy does not exceed 10% of the building, in which case it is ignored
33
Occupancy separations
 One-hour fire resistive Separation: 1 hour Openings: 1 hour  Two-hour fire resistive Separation: 2 hours Openings: 2 hours  Three-hour fire resistive Walls and wall openings  Walls: 3 hours fire resistive  Wall openings: Total width shall not exceed 25% of wall length. No opening shall be larger than 10 sqm.  Three-hour fire resistive Floors and floor openings  Floors: 3 hours fire resistive  Floor openings: Protected by vertical enclosures that are 2 hours fire resistive. All openings on the the enclosures shall be 3 hours fire resistive.  Four-hour fire resistive Separation: 4 hours Openings: Not allowed
34
Right of way/ access to property
 No building shall be constructed unless it adjoins or has direct access to a public space, yard, or street on at least one of its sides.
35
Eaves over windows
 Eaves over required windows shall at least be 750mm from the side and rear property lines.
36
Firewalls
 A fireproof barrier used to prevent the spread of fire between or through buildings  Why are firewalls important? Because when they are built, the building or parts of the building extends into the setbacks.
37
Allowable firewalls R1
 R1: Not allowed However, an abutment up to 3.20m high is OK for carports provided that above 1.50m, the abutment shall be constructed of perforated concrete blocks.
38
Allowable firewalls R2
 R2: One side only Maximum 80% of the length of side property line.
39
Allowable firewalls R3
 R3: Two configurations are allowed: Option A: Two sides  Maximum 85% of each side  Total should not exceed 65% of lot perimeter  Two storeys high only Option B: One side + Rear  90% of side or rear (up to 100% for rear if only 4m)  Total should not exceed 50% of lot perimeter  Two storeys high for side, 3.20m high for rear
40
Allowable firewalls R4
 R4: Two sides Maximum 85% of each side Total should not exceed 50% of lot perimeter Maximum height: three storeys
41
Allowable firewalls R5
 R5: Two configurations allowed: Option A: Two sides  Maximum 75% of each side  Total should not exceed 50% of lot perimeter  Maximum height: 8 storeys Option B: One side + Rear  Maximum 65% of side and 50% of rear  Total should not exceed 60% of lot perimeter  Maximum height: 8 storeys for side, 14m for rear
42
Allowable firewalls Commercial, institutional, and industrial
 Commercial, institutional, and industrial: Firewalls allowed on the ff. conditions:  Provide sprinkler system  Install fire-retardant or fire-suppression devices  Maximum 70% of lot perimeter  RROW setbacks are complied with
43
TGFA
 Total gross floor area  The total floor space inside the building  Keyword: inside/enclosed  Includes services/parking (unlike GFA)
44
Allowable max. TGFA
 Table VII.1, p.84 of Rule 7 & 8  Format: Number of floors x footprint  Depends on the ff.: Lot type Zoning Use of firewalls
45
Lot types
 Inside or regular lot  Through lot  Corner lot  Corner-through lot  Interior lot  End lot  Corner lot abutting 3 or more streets etc.
46
BHL
 Building height limit  Given in Table VII.2 on p.89  Depends on zoning
47
how is building height measured?
 From established grade line to the topmost portion of the building  Excludes allowed projections above the roof, like: Signage Masts Antenna or telecom tower
48
How to establish the grade line
 Grade line = highest adjoining sidewalk or natural grade line  If grade is sloping: If less than 3 meters diff., take highest grade If more than 3 meters diff., take the average
49
how to establish top of building
If roof is flat, top = rooftop  If roof is sloping, top = middle of roof height
50
height limit on projections
 Towers, spires and steeples If made of combustible materials, 6.0m above BHL If made of incombustible materials, limited only by structural design
51
building height + RROW
 The RROW width also dictates the BHL:  6-7m RROW: 3.0 storeys or 9.0m  4-5m RROW: 2.5 storeys or 7.5m  0-3m RROW: 2.0 storeys or 6.0m  Only exceptions: PUD
52
Other considerations:BHL
 The volume/bulk being constant, a building with a lesser PSO or AMBF may be built higher than one with a higher PSO.  A building with a greater TGFA requirement may be built higher than one with a lower TGFA requirement.  A building with a higher FLAR designation may be built higher than one with a lower FLAR designation.  Lots facing a wider RROW may become the site of a taller building than a lot facing a narrower RROW.
53
Fractions in computations - parking
 When computing for parking slots, a fraction of 50% or higher shall be considered as one slot.  In all cases, at least one slot shall be provided unless otherwise allowed.
54
off site parking lots
 If a multi-floor parking garage is located within a 200-meter radius of the building, 20% of the required parking provisions may be served the multi-floor parking garage.  Reserved or leased parking slots may also serve the parking requirements if: The slots are in a permanent parking building and not in a vacant parking lot. The said parking building is:  Not more than 100m away, if residential  Not more than 200m away, if commercial
55
front yards as parking
 Not allowed for the following: R2 Maximum R3 Maximum GI C1, C2 and C3  50% of front yard may be used as parking for R2 Basic and R3 Basic
56
Minimum requirements for group a dwellings
sanitation  At least one sanitary toilet and adequate washing and draining facilities foundation  At least 250mm thick  At least 600mm below the surface of the ground structural loads  First floor live load: 200kg/sqm  Second floor live load: 150kg/sqm  Wind load for roofs: 120kg/sqm (vertical) stairs  Minimum width: 750mm  Maximum riser: 200mm  Minimum tread: 200mm entrance & exit  At least one entrance, and another one for exit
57
development controls
 TLA = Total lot area  PSO = Percentage of site occupancy  The part of the lot occupied by the building (A.K.A. building footprint expressed in %)  TOSL = Total open space within lot  The part of the lot NOT occupied by the building  TLA = PSO + TOSL  USA = Unpaved surface area  The portion of the open space that is unpaved  ISA = Impervious surface area  The portion of the open space that is paved  Since “open space” = TOSL, TOSL = USA + ISA  MACA = PSO + ISA Hence, TLA = MACA + USA  AMBF = Allowable max. building footprint  Footprint expressed in square meters  GFA = Gross floor area  Total enclosed floor area (including balconies)  Excludes the following enclosed areas: Parking, services, utilities Vertical penetrations in parking floors if not used for residential or commercial purposes Balconies exceeding 10sqm, uncovered areas, fire escape structures, etc.  TGFA = Total gross floor area  Includes all enclosed floor areas, no exceptions  AMVB = Allowable max. volume of building  OFB = Outer faces of the building  FLAR = Floor and lot area ratio
58
building bulk
 A volume quantity  In the simplest sense, Building bulk = Footprint x Height  However, the Code prescribes several different methods for determining this quantity
59
building bulk by AMBF projection
 Determine the AMBF  Determine the BHL (in meters)  AMBF x BHL = Building bulk
60
building bulk by FLAR
 FLAR : Floor to lot area ratio Total floor area / lot area For example, a FLAR designation of 1.50 means that a lot measuring 100sqm may accommodate a building whose total floor area is 150sqm.  Bulk = Footprint x Height  To get footprint:  FLAR x TLA = Total floor area  Total floor area/Number of storeys = Footprint  Hence:  [(FLAR x TLA)/number of storeys] x BHL
61
building bulk by AMVB
1. AMBF x BHL = initial AMVB (“prism”) 2. Superimpose the angular plane originating from the RROW onto the “prism” Angular plane: a plane originating from the RROW that establishes the outer limit for walls and building projections. 3. Use the angular plane to reduce the volume of the prism. This is the AMVB.
62
Other development controls
 AMBF (Allowable maximum building footprint) = TLA – Yards/setbacks + Additional area due to firewalls  PSO = AMBF / TLA  GFA = TLA x FLAR  TGFA = GFA + Non-GFA – Courts