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File Reference No. * see note 1 Project Description * see note 1
 
*Note 1: Special characters not allowed in File Reference No. and Project Description fields are : ~ , > , < , & , "
0 0 0 0 0 0
RB 1-1 Thermal Performance of Building Envelope – RETV
      Criteria Info criteria  
Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
RETV  value

Green Mark Points : Points scored = 75 – (3 x RETV); Max Permissible RETV(Residential Envelope Thermal Value) =25 W/m2; Max 15 points
W/m2
(key in RETV Value)
RB 1-2 Naturally Ventilated Design and Air-Conditioning System
      Criteria Info click here
Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
(a) Dwelling Unit Indoor Comfort
Enhance dwelling unit indoor comfort as in Option 1 OR Option 2 respectively

0
  Option 1 – Ventilation Simulation Analysis (Max 20 points)

 0  
  Percentage of units with good natural ventilation

Green Mark Points : 0.2 point for every % of units with good natural ventilation


%
(key in %) 		 
   OR
  Option 2 – Ventilation Design (without the use of simulation
analysis) and Efficient Use of Air-Conditioning System (Max 16 points) 		0

 
(i) Air flow within dwelling units (Max 8 points)
 0  
 
Building Layout Design
 
 
Dwelling Unit Design

 
 
  (ii)Provision of efficient air-conditioning system (Max 8 points) 0  
  Use of energy efficient air-conditioners certified under the Singapore Energy Labelling Scheme Air-conditioners with energy efficiency less than 3 ticks (0 Point)

Air-conditioners with 3 Ticks and/or equivalent COP (4 Points)

Air-conditioners with 4 Ticks and/or equivalent COP (8 Points)

No provision of air-conditioning system (Prorate)
Green Mark Points : 3 Ticks – 4 points; 4 Ticks - 8 points Option 2(ii) is not applicable for development where air-conditioners are not provided. Points can be scored and prorated under Option 2(i)


 
(b)Natural Ventilation in Common Areas - at least 80% of the applicable areas 0  
 

(i) Lift lobbies and corridors (1 point)

(ii) Staircases (1 point)
 
RB 1-3 Daylighting
      Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
 
[0]
 
(a)Use of daylight and glare simulation analysis to verify the adequacy of ambient lighting levels in all dwelling unit’s living and dining areas
Extent of coverage : At least 80% of the units with effective daylighting provisions

Distance from facade perimeter meeting minimum required illuminance level

Green Mark Points
Distance from the façade perimeters (m) ≥3.0 4.0 - 5.0 >5.0
Points Allocated 1 2 3








m
(Key in distance in meter)		 0
(b)Daylighting in the following areas. Extent of coverage : At least 80% of the applicable areas

(i) Lift lobbies and corridors (1 point)

(ii) Staircases (1 point)

(iii) Carparks (1 point)



 
0 
RB 1-4 Artificial Lighting
      Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
Artificial lighting in common areas.
Percentage improvement in lighting power budget (compared with SS530)

Green Mark Points : 0.25 point for every percentage improvement; Max 10 points.

%
(key in % of improvement )
RB 1-5 Ventilation In Carparks
      Criteria Info click here
Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]

 



 
 
Mode of Ventilation Max Points (A) Area in m2
(B)		 Point percentage
(%Area x pnts allocated )
Natural Ventilation  6 0
Fume Extract with CO sensors 4 0
Mechanical Ventilation with CO sensors 3 0
Others (not listed above) - 0
Total 0 0
 
 Green Mark Points : Points scored = ∑ (A x B) / ∑ B; Max 6 points
RB 1-6 Lifts
 
      Criteria Info click here
Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
Use of lifts with AC variable voltage and variable frequency (VVVF) motor drive or equivalent and energy efficient features such as sleep mode features or equivalent (1 point).
RB 1-7 Energy Efficient Features
        Criteria Info click here
Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
0
a) The following energy efficient features are deemed acceptable : 0
(i) Use of heat recovery devices

- more than 50% of all dwelling units (2 points)

- at least 25% of all dwelling units (1 point)

- in club house or other common facilities (0.5 point)

- N.A

0
 
(ii) Use of thermal insulation or cool paints on east and west facing external walls with window-to-wall ratio (WWR)

- less than 0.5 (2 points)

- from 0.5 to 0.75 (1 point)

- more than 0.75 (0.5 point)

- N.A

0
 
(iii) Use of motion sensors for private lift lobbies/ staircases / common toilets

- at least 50 nos. motion sensors installed (1 point)

- less than 50 nos. motion sensors installed (0.5 point)

- N.A


0
 
(iv) Provision of vertical greenery system on building facades abutting the living, dining and bedrooms areas of dwelling units and club house

- more than 50% on building facades (2 points)

- at least 25% on building facades (1 point)

- in club house (0.5 point)

- N.A


0
 
(v)Provision of gas water heater

- at least 90% of all dwelling units (1 point)

- at least 50% of all dwelling units (0.5 point)

- N.A

0
 
(vi)Provision of clothes drying facilities and open spaces

- at least 90% of all dwelling units (1 point)

- at least 50% of all dwelling units (0.5 point)

- N.A

0
 
(vii)Provision of lifts with gearless drive

- at least 90% of the lifts (1 point)

- N.A

0
 
(viii)Provision of re-generative lifts

- at least 90% of the lifts (2 points)

- N.A

0
 
(ix)Use of sun pipes for natural lighting

- more than 10 nos. of sun pipes installed (1 point)

- at least 5 nos. of sun pipes installed (0.5 point)

- N.A

0
 
(x)Provision of ductless fan for basement ventilation (0.5 point)
0

(xi) Calculation of Energy Efficiency Index (EEI) – for club house and common facilities (0.5 point)

kWh/m2 per year
(key in EEI Value)   		0
b) Items that are not listed above but with clearance from BCA 0
(Please ensure that the items proposed in the following list and the respective points scored are already submitted and cleared by BCA)
Add New Item
RB 1-8 Renewable Energy

      Criteria Info click here


Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
 
 [0]
  
 
Percentage replacement of electricity by renewable energy (based on total consumption) =
Green Mark Points : 3 points for every % replacement (exclude household’s usage); Max 20 points
 %
(key in % of replacement of energy) 

 

RB 2-1 Water Efficient Fittings  
      Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
Use of water fittings that are certified under the Water Efficiency Labelling Scheme (WELS).
  Rating based on WELS    
Water Fittings Excellent Very Good Others Total
No. of Fittings (A) 0
Weightage (B) 10 8 0 -
Total (A x B) 0 0 0 0
Green Mark Points : Points scored = ∑ (A x B) / ∑ A; Max 10 points
RB 2-2 Water Usage Monitoring
      Criteria Info click here
Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
Provision of sub-meters to monitor major water usage system such as irrigation, swimming pools and other water features (1 point).

RB 2-3 Irrigation System and Landscaping  
  Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
(a) Use of non potable water including rainwater for landscape irrigation (1 point)
 
 
(b) Use of automatic water efficient irrigation system with rain sensor for at least 50% of the landscape areas served by the system (1 point)
 
 
(c) Use of drought tolerant plants require minimal irrigation for at least 80% of the landscape areas. (1 point)
 

RB 3-1 Sustainable Construction
 Criteria Info click here
Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
    [0]  
(a)Use of Sustainable and Recycled Materials (Max 5 points)

 (i)Green Cements with approved industrial by-products

 0
That is Ground Granulated Blastfurnance Slag (GGBS), silica fume, fly ash) to replace Ordinary Portland Cement (OPC) by at least 10% by mass for superstructure applications. ( 1 point)
0
 (ii)Recycled Concrete Aggregates (RCA) and Washed Copper Slag (WCS) from approved sources to replace coarse and fine aggregates for concrete production of main building elements

  0  
Use of RCA and WCS to replace coarse and fine aggregates Total Quantity Used in tonnage Minimum Usage Requirement in tonnage [0.03 x (GFA in m2)] Points Scored
* RCA (replace coarse) 0
* WCS (replace fine) 0
Green Mark Points : 2 points when total quantity used is at least equal to minimum requirement; 4 points when total quantity used ≥ 2 x minimum requirement
 
(b)Concrete Usage Index (CUI)      
Concrete Volume in m3 (A)
Total Constructed Floor Area in m2 (B)
CUI (C = A / B) 0
0
 
Green Mark Points
Project CUI (m3/m2) ≤0.70 ≤0.60 ≤0.50 ≤0.40 ≤0.35
Points Allocated 1 2 3 4 5
RB 3-2 Sustainable Products
      Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
Use of environmental friendly products that are certified by approved local certification body and are applicable for non-structural building components and construction
Environmental friendly products Weightage based on extent of environmental friendliness
Good Very Good Excellent
Points (A) 0 0 0
Weightage (B) 1.0 1.5 2.0
Total Points (A x B) 0 0 0
Click here to add environmental friendly products
Green Mark Points : 1 point for high impact, 0.5 point for low impact; Points scored = ∑(A x B); Max 8 points

List of sustainable products (Max 16 items)
Add new Item
 Add new Item
RB 3-3 Greenery Provision
 Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
(a)Greenery Plot Ratio (GnPR)
Total Leaf Area in m2 (A)
Site Area in m2 (B)
GnPR (C = A / B) 0

Green Mark Points
GnPR  1.0 to <2.0 2.0 to <3.0 3.0 to <4.0 4.0 to <5.0 5.0 to <6.0 ≥6.0
Points Allocated  1 2 3  4  5  6
0
 
(b)Restoration of trees on site, conserving or relocating of existing trees on site (1 point).
 
0
 
(c)Use of compost recycled from horticulture waste (1 point).
 
 0
RB 3-4 Environmental Management Practice
       Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
(a) Implement effective environmental management programmes (1 point)
0
 
(b) Main builder that has good track records in the adoption of sustainable, environmentally friendly and considerate practices during construction such as Green and Gracious Builder Award). (1 point).
0
(c) Building quality assessed
0
Construction Quality Assessment System (CONQUAS)(1 point)
   
 
Quality Mark Scheme (1 point)
   
 
(d) Firms ISO 14000 certified (0.25 point for each firm)
 
0
 
(e) Project team comprises Green Mark Manager (GMM), Green Mark Facilities Manager (GMFM) and Green Mark Professional (GMP) (Max 1 point)
  
0
Certified GMM (0.5 point)
Certified GMFM (0.5 point)
 
Certified GMP (1 point)
 
 
(f) Provision of building users’ guide (1 point)
0
 
(g) Provision of facilities or recycling bins at each block of the development for collection and storage of different recyclable waste such as paper, glass, plastic, etc. (1 point)
0
RB 3-5 Green Transport
      Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
(a) Good access to nearest MRT/LRT stations or bus stops (1 point)
 
0 
(b) Provision of covered walkway to facilitate connectivity and use of public transport (1 point)
 
0 
(c) Provision of hybrid/electric vehicle refueling/ recharge stations within the development (1 point)
 
0 
(d) Provision of covered/sheltered bicycles parking lots (Max 1 point)

- at least 10% of the dwelling units (1 point)

- at least 5% of the dwelling units (0.5 point)

- N.A

0
RB 3-6 Stormwater Management
      Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
Treatment of stormwater runoff before discharge
The extent of stormwater treatment
   
 
- more than 35% of total site area or paved area (3 points)

- more than 10%to 35% of total site area (2 points)

- up to 10% of total site area (1 point)

- N.A
 
 
RB 4-1 Noise Level
      Criteria Info click here
Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
Building design to achieve ambient internal noise level as specified (1 point).
55 dB(6am-10pm) LeqA
45 dB(10pm-6am) LeqA
 
RB 4-2 Indoor Air Pollutants
      Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
(a) Use of low volatile organic compounds (VOC) paints certified by approved local certification body - at least 90% of the total internal wall areas (1 point)
 
 
 
(b) Use of environmentally friendly adhesives certified by approved local certification body for at least 90% of the applicable areas (1 point)
 
RB 4-3 Waste Disposal
       Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
Locating refuse chutes or waste disposal area at open ventilation areas such as service balconies or common corridors (1 point)
 
RB 4-4 Indoor Air Quality for Wet Areas
       Criteria Info click here

Green Mark Points Available
Commentary Evidence /
Value Evidence
Points
Scored
Remarks
[0]
Provision of adequate natural ventilation and daylighting in wet areas such as kitchens, bathrooms and toilets.
- more than 90% of all applicable areas (2 points)

- at least 50% of all applicable areas (1 point)

- N.A
 

RB 5-1 Green Features & Innovations
RB 5-1a Water Efficiency  
      Criteria Info click here
Green Mark Points Available
Commentary Evidence / Value Evidence
 Points Scored Remarks
 
 [0]
(a) The following green features are deemed acceptable :
 
 0


(1) Water Efficiency
(i) Use of self cleaning façade system

- more than 75% of the applicable façade areas (2 points)

- more than 50% of the applicable façade areas (1 point)

- at least 25% of the applicable façade areas (0.5 point)

- N.A

0
 
(ii) Use of integrated basin/cistern pedestal system

- more than 50% of all dwelling units’ flushing cisterns (2 points)

- more than 25% of all dwelling units’ flushing cisterns (1 point)

- at least 10% of all dwelling units’ flushing cisterns (0.5 point)

- N.A

0
 
(iii) Use of grey water recycling system

- all blocks of the development (2 points)

- at least 1 block of the development (1 point)

- N.A

0
 
(iv) Provision of system to recycle runoff from vertical green wall and sky garden

- at least 25% of the green areas (1 point)

- less than 25% of the green areas (0.5 point)

- N.A

0
 
(v) Use of water efficient washing machine with WELS good rating and above

- more than 90% of all dwelling units (1 point)

- at least 50% of all dwelling units (0.5 point)

- N.A

0
 


RB 5-1a Environmental Protection
Green Mark Points Available
Commentary Evidence / Value Evidence
 Points Scored Remarks
 


(2) Environmental Protection
(i) Use of precast toilets

- more than 75% of all toilets (2 points)

- more than 50% of all toilets (1 point)

- at least 25% of all toilets (0.5 point)

- N.A

0
 
(ii) Provision of green roof and roof top garden

- more than 50% of the roof areas (1 point)

- at least 25% of the roof areas (0.5 point)

- N.A

0
 
(iii) Provision of vertical greening in common areas

- more than 75% of the applicable wall areas (2 points)

- more than 50% of the applicable wall areas (1 point)

- at least 25% of the applicable wall areas (0.5 point)

- N.A

0
 
(iv) Provision of double refuse chutes to separate recyclable from non-recyclable waste (1 point)
0
 
(v) Use of non-chemical termite treatment system such as termite baiting system, anti-termite mesh, etc (0.5 point)
0
 
(vi) Use of at least 5 nos. of compost bins to recycle organic waste (0.5 point)
0
 
(vii) Use of non-chemical water treatment for swimming pools (0.5 point)
0
 
(viii) Conservation of existing buildings structure

- more than 50% of existing structure or building envelope (2 points)

- at least 25% of existing structure or building envelope (1 point)

- N.A

0
 
(ix) Project Buildability Score (Bscore) above prevailing minimum requirement stated in relevant COP on Buildable Design

- Bscore > 5 points above minimum requirement (1 point)

- Bscore > 3 points above minimum requirement (0.5 point)

- N.A

0
 
(x) Calculation of carbon footprint of the development (1 point)
0
 
(xi) Adoption of demolition protocol to maximise resource recovery of demolition materials for reuse or recycling

- recovery rate of more than 35% crushed concrete waste to be sent to the approved recyclers with proper facilities (2 points)

- recovery rate of at least 20% crushed concrete waste to be sent to the approved recyclers with proper facilities (1 point)

- N.A


0
 


RB 5-1a Indoor Air Quality
Green Mark Points Available
Commentary Evidence / Value Evidence
 Points Scored Remarks
 


(3) Indoor Air Quality
(i) Use of pneumatic waste collection system (1 point)
0
 


RB 5-1a Others
Green Mark Points Available
Commentary Evidence / Value Evidence
 Points Scored Remarks
 


(4) Others
(i) Use of siphonic rainwater discharge system at roof (0.5 point)
0

(b)Items that are not listed above but with clearance from BCA: 0

(Please ensure that the items proposed in the following list and the respective points scored are already submitted and cleared by BCA)

 
 
 
 

The Building and Construction Authority (BCA) champions the development and transformation of the built environment sector, in order to improve Singapore’s living environment. BCA oversees areas such as safety, quality, inclusiveness, sustainability and productivity, all of which, together with our stakeholders and partners, help to achieve our mission to transform the Built Environment sector and shape a liveable and smart built environment for Singapore.

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Last Updated: 17 April 2025