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Project Snapshot
TMK Building Services engaged CCC Engineering to deliver hydraulic engineering design for a six-unit Class 1a two-storey townhouse development at 3 Wascoe Street, Leura. The development incorporates a 20,000L fire water tank installed between Units 4 and 5 to meet NSW Rural Fire Service (RFS) compliance requirements applicable to Blue Mountains Bush Fire Prone Land.
The brief required tank connection design and supporting hydraulic services to support a Complying Development Certificate pathway, working from architecture by Universal Designs and the RFS general terms of approval issued for the site.
Our Role
- Domestic cold water supply and reticulation design
- 20,000L fire water tank connection design
- RFS general terms of approval compliance
- Tender-ready drawing set in PDF and DWG
- Equipment schedules and scope of works
- Tender form and contractor pricing support
- Design Certificate to AS 3500-2021
Challenges & Solutions
Challenge
Site located within Blue Mountains Bush Fire Prone Land with strict RFS general terms of approval requiring on-site fire water storage
Solution
Designed a 20,000L fire water tank connection between Units 4 and 5 fully aligned with RFS approval and AS 3500-2021
Challenge
Six independent townhouses sharing common cold water reticulation and fire water provision
Solution
Issued coordinated cold water reticulation across all six dwellings with isolation strategy preserving each unit's independence
Challenge
CDC pathway required hydraulic documentation suitable for both certifier review and trade pricing
Solution
Delivered a single-stage detailed design package including drawings, schedules, scope of work, tender form and Design Certificate
Results
- RFS-compliant fire water tank connection design issued
- Hydraulic CDC documentation issued in PDF and DWG
- Design Certificate to AS 3500-2021
- Tender-ready package supporting competitive trade pricing
- Construction able to commence under CDC approval
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