[GB Code] Philippine Green Building Code

Green building

practice that promote resource management efficiency and site sustainability while minimizing the negative impact of buildings

Window to Wall Ratio (WWR)

needs to be balanced with the amount of daylight coming through the glazed area

Solar Heat Gain Coefficient (SHGC)

used to determine the amount of solar heat admitted through the glass divided by the total solar radiation incident on the glass.

Visible light Transmittance (VLT)

used to determine the amount of light transmitted through the glass

size of operable windows or balcony door shall be equal to at least ___ of the floor area of regularly occupied spaces

10%

high Solar Reflectance Index (SRI)

heat transfer from the outside to the inside of the building can be reduced by having surfaces with ___

70

minimum SRI of building metal roof surfaces

86 to 92

Reflective white SRI

0 to 33

Dark brown SRI

Reflective white

Metal Surface color with the highest SRI

Dark brown

Metal Surface color with the lowest SRI

minimum required average thermal R-Value of a roof

R-8

5.6 to 8.0

Polyisocyanurate R-Value

Polyisocyanurate

Insulation material with the highest R-value.

Reflective bubble foil

Insulation material with the lowest R-value.

Air conditioning

accounts for more than 50% of total electricity costs in a centrally air conditioned building

Variable Speed Drive

electrical device for controlling the speed of a DC motor

Variable Speed Drive

controls the speed of machinery by changing the frequency of the motor that is being operated

Kitchen ventilation fans & Non-centralized air conditioning systems

not required to employ variable speed controllers

Enthalpy recovery wheels

All buildings with centralized air supply system shall use ___________ with efficiency of at least 60% of 90% exhaust air.

Photoelectric sensors

help in dimming or switching off lamps that do not require to be operated due to presence of adequate daylight.

60%

minimum percennt of lighting that must be controlled by occupancy sensors for COVERED CAR PARKS

1-1/2 minutes

maximum period of no activity detected to automatically REDUCE SPEED for Escalators / Moving Ramps / Walkways

5 minutes

maximum period of no activity detected to automatically put on STANDBY MODE for Escalators / Moving Ramps / Walkways

98%

minimum efficiency of TRANSFORMERS that are part of the building electrical system

Overhead/Elevated Water Storage

relies mostly on elevation and gravity to distribute water within the building

10

minimum number of storeys required for Overhead/Elevated Water Storage to reduce dependence on motorized systems.

Rainwater

It is one of the purest sources of water available

75

Minimum storage tanks size (in cu.m) shall be calculated by dividing the building footprint area by ______.

non-potable purposes

toilet flushing, irrigation, and cooling towers

non-potable purposes

Recycled water from Sewage Treatment Plants (STP) shall be reused for

Non-Toxic building materials

building materials without hazardous or toxic chemicals that could cause Sick Building Syndrome and lead to Building Related Illness

Volatile Organic Compounds (VOC)

Chemical-emitting gases or solids from interior products and materials that can cause short-term or long-term adverse health effects.

Voltaile organic compounds

Paints, coatings, adhesives and sealants used indoors or nonventilated areas shall not contain _______.

urea formaldehyde

Composite wood shall not have _______ content.

Material Recovery Facility (MRF)

a plant where collected recyclables are sorted and prepared for reprocessing

compostable, non-recyclable, recyclable, special waste

4 types of solid waste

compostable

biodegradable solid waste type

non-recyclable

solid waste type to be disposed off in the landfill

recyclable

paper, cardboard, plastic, metal, wood, etc.

Environmental Tobacco Smoke (ETS)

one of the leading causes of respiratory illnesses in building occupants

10 meters

If smoking is only allowed OUTDOORS, designated SMOKING AREAS shall be naturally ventilated, outside of the building shell and away from building entrances, windows, and outside supply air (OSA) intakes by at least ______

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

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

Energy Efficiency Ratio

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

Heating, Ventilating and Air Conditioning (HVAC)

- system that helps maintain good indoor air quality through adequate ventilation with filtration and provide thermal comfort

Light Shelf

a horizontal surface that reflects daylight deep into a building, placed above eye-level with high-reflectance upper surfaces, which reflect daylight onto the ceiling and deeper into the space

R-Value

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

Seasonal Energy Efficiency Ratio (SEER)

energy efficiency rating for central air conditioners

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

Solar Reflectance Index (SRI)

a measure of a material's ability to reflect heat with white or light colors having high reflectance and dark or black surfaces with low or little reflectance thereby having higher temperatures

U-Value

describes how well a building element conducts heat, measuring the rate of heat transfer through a building element over a given area, under standardized conditions

Weather-Stripping

narrow piece of material, such as plastic, rubber, felt, or metal, installed around doors and windows to protect an interior from external extremes in temperature.

Volatile Organic Compound (VOC)

organic chemicals with have a high vapor pressure at ordinary room temperature that are dangerous to human health or cause harm to the environment