Philippine Green Building Code

June 22, 2015

Philippine Green Building Code, Date approved by Rogelio L. Singson (DPWH Secretary)

10,000 sqm - Hotel/resort, school, hospital, office, mixed occupancy

15,000 sqm - mall

20,000 sqm - condominium

The GB code is applicable to buildings types with the following minimum TGFA:

Visible light Transmittance (VLT)

used to determine the amount of light transmitted through the glass.

10% of floor area (operable window sizes)

Operable windows or balcony door shall be provided in regularly occupied spaces. The size of the opening shall be equal to at least _________ of the floor area of regularly occupied spaces.

86-92

Reflective white SRI

80-88

Basic white SRI

74-80

Beige/tan SRI

38-40

Terracotta red SRI

25-32

Green SRI

0-33

Dark brown SRI

0-41

Dark grey SRI

28-36

Red SRI

23-30

Blue SRI

70

Building metal roof surfaces shall either be colored white or have a minimum SRI of _________

R-8 (min. R-value of the roof)

Buildings shall be provided with roof insulation so that the average thermal resistance value (R-Value) of the roof is at least __________

Variable Speed Drive (VSD)

describes the equipment used to control the speed of machinery by changing the frequency of the motor that is being operated.

5 kW

All motors for mechanical equipment over ______ kW shall be provided with variable speed drive and high efficiency motors in accordance with Table 10.

heat exchangers

When buildings have outside air or fresh air supply and extract system through mechanical means, using ______________ can use the air extracted from the building areas to pre-condition the incoming outdoor air. This process exploits the fact that the extract air is usually already conditioned and therefore colder and drier.

sixty percent (60%) of ninety percent (90%) exhaust air.

All buildings with centralized air supply system shall use enthalpy recovery wheels with efficiency of at least ___________ of ninety percent (90%) exhaust air.

55 lumens/watt (elevator light lamp efficiency)

Use of energy efficient lighting and display lighting in the elevator car shall have an average lamp efficacy, across all fittings in the car, of more than ______________

one and a half (1-1/2) minutes

Escalators / Moving Ramps / Walkways shall be fitted with automated controls to reduce to a slower speed when no activity has been detected for a maximum period of ______________ and duration may be adjusted depending on the demand.

16.1 W/sqm

Maximum allowed LPD for malls (excluding accent lighting)

12.9 W/sqm

Maximum allowed LPD for hospitals/schools

10.8 W/sqm

Maximum allowed LPD for condo/hotel/resort

10.8 W/sqm

Maximum allowed LPD for offices

BUILDING AVERAGE LPD

Condo/hotel/resort - 10.8 W/sqm

Office - 10.8 W/sqm

Schools and hospital - 12.9 W/sqm

Mall - 16.1 W/sqm

BUILDING AVERAGE LPD

Condo/hotel/resort - 10.8 W/sqm

Office - 10.8 W/sqm

Schools and hospital - 12.9 W/sqm

Mall - 16.1 W/sqm

1.6 W/sqm - open and outdoor parking

3.2 W/sqm - covered parking

2.15 W/sqm - exterior facade

98.4 W/sqm - active entrance

65.6 W/sqm - inactive entrace

MAXIMUM ALLOWED LPD:

1.6 W/sqm - open and outdoor parking

3.2 W/sqm - covered parking

2.15 Q/sqm - exterior facade

sixty per cent (60%)

For covered car parks: minimum of ___________ of the lighting must be controlled by the occupancy sensors.

2.15 W/sqm

Maximum allowed LPD for exterior facade

1.6 W/sqm

Maximum allowed LPD for open and outdoor parking

98.4 W/sqm

Maximum allowed LPD for active entrance (pedestrian conveyance)

65.6 W/sqm

Maximum allowed LPD for inactive entrance (normally locked)

3.2 W/sqm

Maximum allowed LPD for covered parking

five (5) minutes

The escalator / moving ramp / walkway shall automatically be put on a standby mode when no activity has been detected for a maximum period of ___________ and duration may be adjusted depending on the demand

98%

Transformers that are part of the building electrical system shall have efficiencies not lower than _________ as prescribed in the DOE Guidelines on Energy Conserving Design of Buildings

five (5) minutes

Lighting shall switch off after the elevator has been inactive for a maximum period of ___________

20% fire reserve + ADD

To reduce dependence on motorized systems to supply and distribute potable or non-potable water within the building, thus help reduce energy consumption, overhead or elevated water storage systems are used, provided there's a ___________ fire reserve over and above the average daily demand supply.

≤ 4.8 lpm (60 psi)

Maximum flow rate for lavatory taps, kitchen faucets, and handheld bidet sprays

≤ 9 lpm (80 psi)

Maximum flow rate for shower

≤ 1 lpm

Maximum flow rate for urinals

≤ 6 (full), 3 (low) lpf

Maximum flow rate for dual flush water closet

4.9 lpf

Maximum flow rate for single flush water closet

building footprint area by 75

Rainwater storage tank minimum size requirement (in cu. m)

1.0 sqm/2,500 sqm TGFA + 50% circulation space

MRF minimum daily storage space requirements for residential dwelling: condominium and hotels/resort

5.6 to 8.0

R-value/inch of polyisocyanurate

5.6 to 6.5

R-value/inch of polyurethane

5.5 to 6.0

R-value/inch of closed-cell spray foam

3.6

R-value/inch of open-cell spray foam

1 to 1.1

R-value/inch of reflective bubble foil

2.4

R-value/inch of vermiculite/perlite

3.7

R-value/inch of rockwool and fiberglass

4.8

R-value/inch of phenolic foam

4.6

R-value/inch of urea formaldehyde foam

3.8 to 5.0

R-value/inch of polystyrene

See image

See image

150 g/L

Maximum VOC limit for non-flat paint

50 g/L

Maximum VOC limit for flat paint

350 g/L

Maximum VOC limit for varnish (clear wood finish)

1.0 sqm/2,500 sqm TGFA + 50% circulation space

MRF minimum daily storage space requirements for offices

1.0 sqm/1,400 sqm TGFA + 50% circulation space

MRF minimum daily storage space requirements for hospital

1.0 sqm/400 sqm TGFA + 50% circulation space

MRF minimum daily storage space requirements for mall

1.0 sqm/2,500 sqm TGFA + 50% circulation space

MRF minimum daily storage space requirements for school

Condo/hotel/resort - 1.0 sqm/2,500 sqm TGFA + 50% circulation space

Office - 1.0 sqm/2,500 sqm TGFA + 50% circulation space

Hospital - 1.0 sqm/1,400 sqm TGFA + 50% circulation space

Mall - 1.0 sqm/400 sqm TGFA + 50% circulation space

School - 1.0 sqm/2,500 sqm TGFA + 50% circulation space

MRF SIZES

Condo/hotel/resort - 1.0 sqm/2,500 sqm TGFA + 50% circulation space

Office - 1.0 sqm/2,500 sqm TGFA + 50% circulation space

Hospital - 1.0 sqm/1,400 sqm TGFA + 50% circulation space

Mall - 1.0 sqm/400 sqm TGFA + 50% circulation space

School - 1.0 sqm/2,500 sqm TGFA + 50% circulation space

fifty percent (50%)

A minimum of ____________ of the required Unpaved Surface Area (USA), as required in Rule VII and VIII of the NBC, shall be vegetated with indigenous and adaptable species.

12.75 cmh/person or 7.5 cfm/person

minimum ventilation people outdoor Air Rate rate for malls, restaurant, supermarket

17 cmh/person or 10 cfm/person

minimum ventilation people outdoor Air Rate rate for Classrooms

8.5 cmh/person or 5 cfm/person

minimum ventilation People Outdoor Air Rate rate for Office Spaces, bedrooms, living rooms

8.5 cmh/person or 5 cfm/person (Office Spaces, bedrooms, living rooms)

17 cmh/person or 10 cfm/person (Classrooms)

12.75 cmh/person or 7.5 cfm/person (malls, restaurant, supermarket)

minimum ventilation People Outdoor Air Rate rate

at half (½) the depth of daylight zone.

The photoelectric sensor shall be located approximately at ___________ the depth of daylight zone.

Air Conditioning

the process of treating air so as to control simultaneously its temperature, humidity, cleanliness, and distribution to meet the requirements of conditioned space

Air-Conditioning, Heating, and Refrigeration Institute (AHRI)

trade association representing manufacturers of HVACR and water heating equipment within the global industry

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)

global society founded in 1894, advancing human well-being through sustainable technology for the built environment with focus on building systems, energy efficiency, indoor air quality, refrigeration and sustainability within the industry

British thermal unit (Btu)

amount of heat energy needed to raise the temperature of one pound of water by one degree Fahrenheit

Building Related Illness (BRI)

diagnosable illness whose cause and symptoms can be directly attributed to a specific pollutant source within a building

Coefficient of Performance (COP)

ratio of heating or cooling provided to electrical energy consumed where higher COPs equate to lower operating costs

Daylight Zone

area substantially illuminated by daylight consistently receiving significant quantities of daylight during the day

Door assembly

unit composed of a group of parts or components which make up a closure for an opening to control passageway through a wall which consists of the following parts: door; hinges; locking device or devices; operation contacts (such as handles, knobs, push plates); miscellaneous hardware and closures; the frame, including the head, threshold and jambs plus the anchorage devices

Energy Efficiency Ratio (EER)

energy efficiency rating for room air conditioners that lists how many Btu per hour are used for each watt of power it draws

Enthalpy Recovery Wheel

an energy recovery device that transfers outgoing temperature and humidity to the incoming outdoor air

Environmental Tobacco Smoke (ETS)

secondhand smoke consisting of airborne particles emitted from the burning end of cigarettes, pipes, and cigars, exhaled by smokers containing about 4,000 compounds, up to 50 of which are known to cause cance

Environmental Management Bureau (EMB)

national authority in the Philippines that sets air and water quality standards and monitors ambient and point source pollutants

Harmonics

increased heating in equipment and conductors, the reduction of which is desirable

Heat Island Effect (HIE)

describes built up areas that are hotter than nearby rural areas

Illuminating Engineering Society of North America (IESNA)

a non-profit learned society whose mission is to improve the lighted environment by bringing together those with lighting knowledge and translating that knowledge into actions that would benefit the public

Light Monitor

raised structure running along the ridge of a double-pitched roof, with its own roof running parallel with the main roof

Light Scoop

south-facing skylight, that uses tilted panels of transparent glass to strategically bring daylight into an interior space.

Office of the Building Official (OBO) -

the office authorized to enforce the provisions of NBC and its IRR in the field as well as the enforcement of orders and decisions made pursuant thereto

Lighting Power Density (LPD)

amount of electric lighting, usually measured in watts per square foot, being used to illuminate a given space

National Building Code Development Office (NBCDO)

created through DPWH Department Order, assist the Secretary in the administration and enforcement of the provisions of the GB Code and its IRR

Overall Thermal Transfer Value - (OTTV)

measure of the energy consumption of a building envelope

Outside Supply Air (OSA)

air containing at least the minimum volume of outside air filtered and conditioned to the required temperature and humidity

Parking, Open

parking structure with wall openings open to the atmosphere, distributed over 40 percent of the building perimeter or uniformly over two opposing sides to provide ventilation

Photoelectric Sensor

a device used to detect the distance, absence, or presence of an object by using a light transmitter, often infrared and a photoelectric receive

Professional Regulatory Commission (PRC)

the instrument of the Filipino people in securing for the nation a reliable, trustworthy and progressive system of determining the competence of professionals by credible and valid licensure examinations and standards of professional practice that are globally recognized

R-Value

resistance value or the capacity to resist heat loss or its thermal resistance

Sick Building Syndrome (SBS)

Building whose occupants experience acute health and/or comfort effects that appear to be linked to time spent therein, but where no specific illness or cause can be identified

Seasonal Energy Efficiency Ratio (SEER)

energy efficiency rating for central air conditioners

Solar Heat Gain Coefficient (SHGC)

fraction of solar gain admitted through a window, expressed as a number between 0 and 1

Special Waste

a class of waste that has unique regulatory requirements with potential environmental impacts that needs to be managed to minimize the risk of harm to the environment and human health

Unity Power Factor

power factor of 1.0 obtained when current and voltage are in phase, as in a circuit containing only resistance or in a reactive circuit at resonance.