Labelling Contents of Pipes

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Color code labeling piping system
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  safety.unimelb.edu.au  HEALTH & SAFETY: LABELLING THE CONTENTS OF PIPES, CONDUITS AND DUCTS 1 of 5   Date : November 2015 Version : 1.0 Authorised by : Associate Director, Health & Safety Next Review : November 2018 © The University of Melbourne  –  Uncontrolled when printed. HEALTH & SAFETY LABELLING THE CONTENTS OF PIPES, CONDUITS AND DUCTS   1.   PURPOSE   The purpose of this document is to ensure that pipes, conduits and ducts are labeled to:    identify the contents and the direction of flow;    ensure uniform and consistent methodology; and    meet the requirements of the Australian Standards and (and where applicable) legislation. 2.   SCOPE   This document applies to all staff, students, contractors and other personnel at workplaces under the management or control of the University of Melbourne. The document applies to the:    installation of new pipes, conduits and ducts;    replacement of pipes, conduits and ducts; and    maintenance of existing pipes, conduits and ducts. 3.   LEGAL REQUIREMENTS   The Dangerous Goods (Storage and Handling) Regulations 2012  (Vic) and the Occupational Health and Safety Regulations 2007   (Vic) require the identification of installed systems holding dangerous goods and hazardous substances. AS 1345 specifies means for identifying the contents of pipes, conduits, ducts and sheathing used to contain fluids, or for the distribution of electrical or communications services in land installations and on board ships, by the use of colors, words and symbols. It is not intended to apply to buried or normally inaccessible services. However, the general principles may be applied when considering those services.   Legislation and Australian Standards referenced in this guidance include:    Dangerous Goods Act 1985  (Vic)    Dangerous Goods (Storage and Handling Regulations) 2012  (Vic)    Gas Safety Act 1997   (Vic)    Occupational Health and Safety Regulations 2007   (Vic)    Plumbing Regulations 2008  (Vic)  safety.unimelb.edu.au  HEALTH & SAFETY: LABELLING THE CONTENTS OF PIPES, CONDUITS AND DUCTS 2 of 5   Date : November 2015 Version : 1.0 Authorised by : Associate Director, Health & Safety Next Review : November 2018 © The University of Melbourne  –  Uncontrolled when printed.    AS 1345: Identification of the contents of pipes, conduits and ducts    AS 2700: Colour standards for general purposes    AS 3500.1: Plumbing and drainage. Water services 4.   IDENTIFICATION SYSTEM   AS 1345 comprises three elements for the identification of pipes, conduits and ducts. These include the:    base identification colour;    pipe marker; and    supplementary colours. AS 1345 determines the location and the form of the three elements. This includes the:    general requirements; and    form of marking. 4.1   Base identification colour The base identification colour is a single colour that is intended to provide immediate information on the contents of the pipe. When applying the base identification colour the pipe, conduit or duct can be:    completely painted with the identifying colour; or    regularly banded with the identifying colour. The following table lists the base identification colours and their application. The colours in bold in the table represent the preferred colour. With the exception of grey or recycled water (non-drinking water supply)   the colours in the table are defined in AS 1345. Base colour requirements for grey or recycled water (non-drinking water supply) are defined in AS 3500.1. No preferred colour has been nominated for grey or recycled water (non-drinking water supply). Note: Where there is an inconsistency between AS 1345 and AS 3500.1, then the requirements of AS 3500.1 will be followed.  safety.unimelb.edu.au  HEALTH & SAFETY: LABELLING THE CONTENTS OF PIPES, CONDUITS AND DUCTS 3 of 5   Date : November 2015 Version : 1.0 Authorised by : Associate Director, Health & Safety Next Review : November 2018 © The University of Melbourne  –  Uncontrolled when printed. CONTENTS OF PIPE, CONDUIT OR DUCT COLOUR NAME AS 2700 COLOUR CODE APPLICATION  –   EXAMPLES Water Green Jade  –   G21  Emerald  –  G13 Shamrock  –  G23 Drinking water Waste water (but not sewage) Cooling water, including seawater Heating water Storm water Hydraulic power supply Recycled water Grey or recycled water (non-drinking water supply) Purple Purple  –  P12 (no darker) Jacaranda  –  P24 (no darker) Lilac  –  P23 (no lighter)  Recycled water Class A Recycled water Class B Recycled water Class C Recycled water Class D Steam Silver-grey Silver Grey  –   N24 Live steam Process steam Exhaust steam Space heating steam Oils, flammable and combustible liquids Brown Golden Tan  –   X53  Tan  –  X51 Brown  –  X54 Nut Brown  –  X55 Fuel and lubricating oils Animal and vegetable oils for food processing Petrol, diesel and other light fraction oils Other flammable or combustible liquid substances Gases Yellow-ochre Sand  –   Y44  Straw  –  Y24 Sandstone  –  Y53 Raffia  –  X31 Biscuit  –  X42 Fuel gases Process gases Liquefied gases under pressure Pneumatic transport of particulate solids Exhaust gases and fumes Medical gases Acids and alkalis Violet Lilac  –   P23  All corrosive liquids and gases Air Light blue Aqua  –   B25  Bluebell  –  B41 Compressed air Instrument air Vacuum Ventilation Pneumatic cover Other liquids Black Black  –   N61  Chemical mixtures in water or organic solvent Liquid foodstuffs Sewage, organic waste Chemical and process wastes Fire services Red Signal Red  –   R13  Scarlet  –  R12 Waratah  –  R14 Dedicated water, foam other fire extinguishing supply lines Electric power Orange Orange  –   X15 Marigold  –  X13 Electricity supply circuit Communication White White  –   N14 Telephone and other communication circuits Extra low voltage supply  safety.unimelb.edu.au  HEALTH & SAFETY: LABELLING THE CONTENTS OF PIPES, CONDUITS AND DUCTS 4 of 5   Date : November 2015 Version : 1.0 Authorised by : Associate Director, Health & Safety Next Review : November 2018 © The University of Melbourne  –  Uncontrolled when printed. 4.2   Pipe marker The pipe marker is a printed label that identifies the contents and/or hazardous nature of the contents of the pipe, conduit or duct. A pipe marker has the following characteristics:    background colour is the same as the base identification colour;    lettering in either white or black;    lettering that is large enough to be read by normal eyesight;    contrasting border around the label in white or yellow;    chevron within the border indicating the direction of flow within the pipe. 4.3   Supplementary colour and hazard identification A supplementary colour is a further band or panel of colour that indicates an additional attribute of the contents of the pipe. Services to which a supplementary colour might apply include:    materials for human consumption such as: o   potable water; o   foodstuffs; and o   medical gases. Hazard identification is a symbol that identifies the type of hazard contained in the pipe. Symbols used include: GENERAL HAZARD RADIOLOGICAL HAZARD BIOLOGICAL HAZARD 5.   LOCATION AND FORM OF IDENTIFICATION MARKINGS   5.1   General requirements AS 1345 states the following: “Identification markings comprising either bands of base identification colour or pipe markers as required shall be located adjacent to all junctions, valves, service appliances, bulkheads, wall penetrations and the like, and at spacings not greater than 8 meters along the service.”  
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