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Project Snapshot
Spacers engaged CCC Engineering to deliver hydraulic services design for a new low-rise Class 2 dual dwelling at 242A Old South Head Road, Vaucluse. The scope covered sanitary plumbing and drainage, cold and hot water reticulation, a rainwater re-use and filtration system, and gas services, all suitable for Construction Certificate submission.
As the development falls under a Class 2 classification, the hydraulic package is regulated under the Design and Building Practitioners Act 2020. CCC delivered regulated designs with the appropriate signatories so the builder could lodge through the NSW Planning Portal without delay.
Our Role
- Sanitary drainage design within the building boundary
- Sanitary fixtures, fittings and tapware selection
- Domestic cold water supply and reticulation
- Domestic hot water storage and reticulation
- Rainwater re-use and filtration system design
- Gas services reticulation design
- D&BP Act regulated designs with signatories
- Design Certificate to AS 3500-2021
Challenges & Solutions
Challenge
Class 2 classification placing the hydraulic package under the Design and Building Practitioners Act 2020 with regulated design obligations
Solution
Issued regulated designs with the appropriate registered signatories so the builder could lodge cleanly through the NSW Planning Portal
Challenge
Coordinating a rainwater re-use and filtration system alongside potable supply, hot water, gas and sanitary within a compact dual dwelling footprint
Solution
Integrated the re-use and filtration system into the hydraulic package across all levels, coordinated with the architectural layouts and Level 3 ASP where required
Challenge
Builder working to a tight program, requiring detailed design issue in a single stage to support CC submission
Solution
Delivered the full four-level hydraulic documentation set in a single detailed design issue within the agreed program
Results
- Full hydraulic documentation set across all four levels
- Rainwater re-use and filtration integrated with potable systems
- Regulated designs lodged under D&BP Act 2020
- Design Certificate to AS 3500-2021
- Builder able to progress CC lodgement on program
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