Design Memo Collection

Hydraulic Engineering Design Guides

Water supply, drainage, stormwater, gas, and plumbing design guides for commercial buildings to AS/NZS 3500.

26

Design Memos

NCC

2025 Compliant

All Guides

26 design memos in this collection

Accessible Toilet Design - Hydraulic Requirements

AS 3500 Plumbing Code Guide for Commercial Design

Backflow Prevention Requirements

Cooling Tower Water Treatment and Compliance

Gas Installation Requirements for Commercial Kitchens

Gas vs Electric Hot Water for Commercial Buildings

Grease Trap Sizing and Installation

Hot and Cold Water System Design

Domestic Hot Water Plant Sizing for Commercial Buildings

How Much Does Hydraulic Design Cost for a Commercial Building?

Hydraulic Design for Multi-Level Car Parks

Hydraulic Riser Design for Multi-Storey Buildings

Legionella Risk in Hot Water Systems

Pipe Material Selection for Hydraulic Systems

Rainwater Harvesting and Reuse Systems

Sanitary Fixture Counts

Sanitary Plumbing and Drainage Design

Sewer Connection and Sydney Water Requirements

Stormwater Drainage for Commercial Buildings

Stormwater Drainage Design for Commercial Developments in NSW

Thermostatic Mixing Valve Requirements

Trade Waste Requirements NSW: Permits, Pre-Treatment and Compliance

Water Hammer Prevention in Hydraulic Systems

Water Services Coordinators

Sub-Metering Requirements for Water

WELS Water Efficiency Labelling

Explore other disciplines

HVAC and Mechanical Engineering

Ventilation and Air Quality Compliance

NCC Compliance and Section J Energy Efficiency

Construction Certificates and Engineering Reports

Building-Type HVAC

Fire Protection Engineering

Electrical Engineering

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