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Site Surgery™ Framework / 01

Reframing Residential Landscape as Hydrological Infrastructure

Site Surgery™ is a landscape framework that redefines residential ground as decentralized hydrological infrastructure.

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Rather than treating gardens as decorative surfaces, the framework approaches landscape as an operational system where soil, slope, runoff behavior, and construction logic are calibrated together through hydrological performance.

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At the center of the framework is Hydrological Storage Capacity (HSC) — a metric that shifts landscape assessment away from purely visual area calculations and toward the site’s capacity to absorb, retain, redirect, and regulate water.

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The framework emerged through design-led construction practice across residential landscapes in Australia, where increasingly volatile rainfall events, concentrated runoff, erosion, and hydrostatic pressure have exposed the limitations of conventional drainage-based approaches.

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Instead of removing water as quickly as possible, Site Surgery™ slows, redistributes, stores, and processes water through a system, operates as a network of Site Hydrological Nodes (SHN).

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Each SHN performs a specialized hydrological role based on site conditions including slope, soil permeability, rainfall intensity, and structural pressure.

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The current framework operates through four primary node typologies:

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SHN-F
Low-Gradient Infiltration Node

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SHN-S
Gradient Interception Node

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SHN-R
Structural Pressure-Relief Node

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SHN-E
Interface Transition Node

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Together, these nodes form a distributed hydrological network capable of moderating runoff velocity, stabilizing soil systems, reducing hydrostatic buildup, and improving long-term landscape resilience.

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Site Surgery™ is currently being developed through high-end residential pilot projects as an evolving technical framework for future climate-responsive landscape infrastructure.

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Framework Record

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Framework:Site Surgery™

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Category:Landscape Hydrological Framework

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Research Direction:Decentralized Hydrological Infrastructure

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Initiated:2026

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Lead:Louisa ZANG

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Studio:Ingenuity Studio 

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