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How the DA process works in NSW | From Pre-DA to Finish
Prior to commencing most types of developments in NSW, you will have to lodge a Development...
Embodied carbon refers to the carbon emissions released throughout the entire process of constructing a building. This includes the extraction of raw materials, the manufacturing and refining of materials, transportation, installation, and even the disposal of old supplies. All of these stages contribute to the production of embodied carbon emissions.
As outlined by the NSW SEPP all new residential and non-residential applicants from 1 October 2023 will be required to disclose the quantities of materials and associated embodied emissions when applying for a development application and a construction certificate.
The NSW government's State Environment Planning Policy (Sustainable Building SEPP) 2022 SE SEPP introduced embodied emissions measures and reporting for all types and associated materials.
NABERS Embodied Emissions Tool will be the required format for non-residential developments before mid-2024. Between October 2023 and mid-2024, the interim instrument is the NABERS Embodied Emission Material Form.
The Embodied Emission Material form captures the breakdown of proposed material used in non-residential developments. It makes a comparison of potential carbon emissions between proposed buildings on a similar scale if possible. The Embodied Emission Material form could also serve as a baseline for selecting lower carbon-intensive materials from its comprehensive list of materials.
Have you got a residential project? A new Material Index has been introduced to the Building Sustainability Index (BASIX) to calculate and report on embodied emissions.
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Accredited NABERS Assessors audit the architectural and engineering documentation package and extract quantities of materials. This is then curated and entered into the Embodied Emission Material form. The proposed building is broken down into the following four categories:
1. Structure
2. Envelop
3. Permanent internal walls and doors
4. Services
5. External works
Whenever possible, the direct cost of material to construct the building. and permanent elements of the proposed building will be recorded. Labour or equipments should not be accounted for.
The catchment for materials recorded should cover at least 80% of the total bill of materials.
Below is a Step by Step illustration of how embodied energy of materials are quantified and reported in Worksheet 2 of the Embodied Emissions Materials Form.
Step 1, Our technicians model the proposed development.
Fig. 1 Proposed 2 storey extension
Step 2, The proposed development will then be broken down into Structure/Envelop/Permanent Walls and Doors/External Works.
Fig. 2 Isolate structural elements (Concrete in-situ and Block walls plus concrete slabs in cubic meters with reinforcing steel in metric tonne)
Fig. 3 Isolate Envelops (In-filled brick walls and ceiling in square meter)
Fig. 3 Isolate Envelop (Metal roofing steel in square meter, Lift shown for scale)
Fig. 4 Permanent Internal walls ( in square meters) and doors/windows (quantity in numbers)
Step 3, The quantities of materials from our model will then be entered to the corresponding section in the Embodied Emissions Material Form.
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