Dual Occupancy – Central Coast

Overview

Reduced detention volume by 22% via roof-water reuse and optimised pipe grading; approved on first submission.

We optimised the roof-water reuse strategy and pipe grading to reduce detention volume while maintaining compliance with ARR2019 and council DCP requirements.

Our deliverables included concept and detailed drawings, modelling notes, and a concise calculation package aligned to council templates.

Highlights

• 22% detention reduction without extra footprint

• ARR2019 compliant modelling

• Approval on first council submission