Design Forms

Design Guides

• JDG-000 Developer Guide to Natural Gas (181 Kb)
  This document provides guidance to land and buliding developers regarding the connecting to natural gas and how to contact Jemena about the development.
• JDG-002 Design Guide to Natural Gas Metering (51 Kb)
  This document defines the allowable metering configurations by Jemena NSW Gas Networks.
• JDG-002A Confirmation of Appliances & Loads Medium Density incl. Individual or Centralised Hot Water (37 Kb)
  This form is to be completed on behalf of the Owner – Developer for any gas connection to medium density or high rise development.
• JDG-003 Design Guide for Gas Centralised Hot Water Systems(701 Kb)
  This document provides guidance to hydraulic designers in designing energy efficient gas centralised hot water system for residential dwellings.
• JDG-003A Certification of Common Factor (72 Kb)
  As a condition of connection this form is to be completed by the Owner-Developer to confirm appropriate thermal efficiency design for the proposed Gas Centralised Hot Water has taken place.
• JDG-003B Model for Estimation of Common Factor for Gas Centralised Hot Water System (1.29Mb)
  This spreadsheet enables estimation of common factor gas centralised hot water systems.
• JDG-003C Confirmation of GCHWS Installation (81 Kb)
  As a condition of connection this form is to be completed by the Owner-Developer to confirm that the certified Gas Centralised Hot Water System design has been installed.
• JDG-005 Developers Guide for Industrial and Commercial Estates (98 Kb)
  This document provides guidance to developers regarding the options available for providing natural gas reticulation to an industrial or commercial estate.
  

Consumer Guides

• JAG-103 Consumers Guide to Natural Gas Centralised Hot Water System Performance. (52 Kb)
  This document is provided as a non-technical, practical guide to assist consumers in achieving good performance from their natural gas centralised hot water systems.