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PD 1096 - Basic Law

This document defines key terms related to calculating gross floor area (GFA) and total gross floor area (TGFA) for buildings. It provides formulas and explanations for terms like: allowable maximum building footprint (AMBF), floor area ratio (FLAR), gross floor area (GFA), total gross floor area (TGFA), total open space land (TOSL), and maximum allowable construction area (MACA). It outlines what areas are included and excluded from GFA and TGFA calculations.

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592 views1 page

PD 1096 - Basic Law

This document defines key terms related to calculating gross floor area (GFA) and total gross floor area (TGFA) for buildings. It provides formulas and explanations for terms like: allowable maximum building footprint (AMBF), floor area ratio (FLAR), gross floor area (GFA), total gross floor area (TGFA), total open space land (TOSL), and maximum allowable construction area (MACA). It outlines what areas are included and excluded from GFA and TGFA calculations.

Uploaded by

hannah marvilla
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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GFA & TGFA

Study online at quizlet.com/_3tyof

1. AMBF AMBF = TLA x PSO 11. TGFA (d) Other building projections which may
formula consists additionally function as floors or platforms if
(Allowable of the properly reinforced, e.g., the top surfaces of roof
Max. Bldg following extensions/eaves, sun-breakers, large roofed or
Footprint ) cantilevered areas such as porte cocheres,
canopies and the like.
2. FLAR FLAR = Gross floor Area (GFA) / Total Lot
formula Area (TLA) 12. TGFA (c) Uncovered areas for helipads, air-conditioning
consists cooling towers or ACCU balconies, overhead
3. GFA Covered areas used for parking and
of the water tanks, roof decks, laundry areas and cages,
excludes (a) driveways, services and utilities
following wading or swimming pools, whirlpool or jacuzzis,
4. GFA Vertical penetrations in parking floors where terraces, gardens, courts or plazas, balconies
excludes (b) no residential or office units are present exceeding 10.00 sq. meters, fire escape structures
5. GFA • Uncovered areas for helipads and the like
excludes (c) • air-conditioning cooling towers or air- 13. TGFA (b) Vertical penetrations in parking floors where
conditioning condensing unit (ACCU) consists no residential or office units are present
balconies of the
• overhead water tanks following
• roof decks
14. TGFA (a) Covered areas used for parking and
• laundry areas and cages
consists driveways, services and utilities. The TGFA
• wading or swimming pools
of the specifically excludes provisions for courts above
• whirlpools or Jacuzzis
following grade level
• terraces
• gardens 15. TOSL TOSL = ISA + USA
• courts or plazas (Total
• balconies exceeding 10.00 sq. meters Open
• fire escape structures and the like. Space
within
6. GFA formula GFA = FLAR x Total Lot Area (TLA)
the Lot )
7. GROSS the total floor space within the perimeter of
16. TOTAL the total floor space within the main and auxiliary
FLOOR the permanent external building walls
GROSS buildings primarily consisting of the GFA and all
AREA (GFA) (inclusive of main and auxiliary buildings) such
FLOOR other enclosed support areas together with all
as office areas, residential areas, corridors,
AREA other usable horizontal areas/surfaces above and
lobbies and mezzanine level/s. The GFA shall
(TGFA) below established grade level that are all
also include building projections which may
physically attached to the building/s
serve as floors or platforms that are directly
connected to/integrated with areas within the 17. USA USA = front setback area
building/structure, e.g., balconies formula
(Unpaved
8. ISA formula ISA = sides and read setback areas
Open
(Pave Open
Space)
Spaces)
9. MACA MACA = PSO + ISA
formula
(Maximum
Allowable
Construction
Area
10. PSO formula PSO = AMBF/TLA
(Allowable
Percentage
of Site
Occupancy)

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