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atco gas AL8 Location Handbook

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Gas Meter Box
Location Handbook
For gas meter sizes
AL8 to AL 18
Document Code: NCN RF 08
Revision: 8
Date: 26/10/2016
Note: This document is not applicable to the ATCO Gas Australia Albany LPG Network
As of January 2016

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Summary of Contents for atco gas AL8

  • Page 1 Gas Meter Box Location Handbook For gas meter sizes AL8 to AL 18 Document Code: NCN RF 08 Revision: 8 Date: 26/10/2016 Note: This document is not applicable to the ATCO Gas Australia Albany LPG Network As of January 2016...

  • Page 2: Table Of Contents

    Connection to Pre Laid Services (PLS and PLSS) 3.5.3 Designated Boundary Connection Areas 3.5.4 Gas Services to Large Rural or Semi-Rural Lots 3.5.5 Connection to Commercial Properties (AL8, AL12 or AL18 Gas Meters) Gas Meter Box Locations Gas Meter Location – Examples 4.1.1 Standard House 4.1.2 Rear Laneway (Must Determine Gas Availability) 4.1.3...
  • Page 3 AL8 Gas Meter Box (Partially Recessed or face mounted) 5.1.2 AL12 Gas Meter Box (Partially Recessed or face mounted) 5.1.3 AL8 Dual Gas and Electric Meter Box (Partially Recessed or face mounted) 5.1.4 AL12 Dual Gas and Electric Meter Box (Partially Recessed or face mounted) 5.1.5 Multi-Unit Gas Meter Boxes (Partially Recessed or Face Mounted) 5.1.6...

  • Page 4: Introduction

    1. Introduction ATCO Gas Australia (AGA) owns and maintains the underground network of gas pipelines in Western Australia, bringing natural gas to over 725,000 homes and businesses. This Handbook provides guidance for installing your natural gas meter box and service for safe, reliable and...

  • Page 5: Glossary

    1.1 Glossary Term Definition ATCO Gas Australia The elevation of the building that faces the relevant gas main or Building Frontage service which connects the property GNIS Gas Network Information System A short section of wall adjoined to the main building that protrudes Nib Wall at 90º...

  • Page 6: Installation Responsibilities

    2. Installation Responsibilities This section provides information on the restrictions and conditions placed on gas meter box locations. Graphics in Section 4.1 are provided to illustrate both correct and incorrect installations. 2.1 Requirements of the Responsible Person It is recommended that the Responsible Person complete the Gas Connection Checklist, (refer to Appendix A).

  • Page 7: Avoiding Delays In Gas Service Installation

    2.2 Avoiding Delays in Gas Service Installation Gas service installation may be delayed for a number of reasons and gas service installation may be deferred by placing the installation on hold until the r A Gas Service Installation on Hold Form, (refer to Appendix B) will be left in the gas meter box (for new dwellings) or in the consumer letter box, if existing premises.

  • Page 8: Connecting To The Gas Network

    This section provides information on the connection process, gas availability, gas meter box accessibility and network connection, including connection to pre-laid services. 3.1 Connection Process 3.1.1 Single Residential House Figure 1 illustrates the process to have natural gas connected to a property: ATCO Gas Customer Gas Retailer Gas Retailer Australia...

  • Page 9: Multi-Unit Connection Process

    Up to 4 including 2 hot water systems 300 MJ/hr 300 MJ/hr AL10 5-6 including 3 hot water systems 375 MJ/hr 375 MJ/hr AL12 Typically 7+ 450 MJ/hr 940 MJ/hr Full details can be found in the ATCO Gas Australia Technical Notice available at www.atcogas.com.au...

  • Page 10: Accessibility

    For more than two (2) continuous hot water systems, alternate 0.8 and 0.2 diversity factors for all remaining units. 2. You must apply diversity to all gas meter selections. Do not specify a gas meter larger than AL8 unless the gas load exceeds 300MJ/hr after diversity has been applied.

  • Page 11: Connection Without Pre Laid Service (Pls)

    3.5.1 Connection without Pre Laid Service (PLS) Where there is no PLS or PLSS, the line of service between the gas meter box and the gas connection point in the roadway is to be considered, ensuring the route is unhindered and free from hazards and obstructions.
  • Page 12 3. Connecting to the Gas Network Figure 4 Typical Connection to a Pre-Laid Service Figure 4 shows a typical connection to a PLS. When the service is to be connected to a PLS, (generally in new subdivisions) the service is laid in a straight line from the PLS or PLSS to the gas meter box position at a depth of 600mm.
  • Page 13 3.5.2.1 Pre-Laid Services with Retaining Walls With the introduction of retaining walls into subdivisions (refer to Figure 5 for a typical view), gas services have been catered for in a variety of methods. PLSS method has the gas service installed beneath the retaining wall stairs, terminating at top of stairs.

  • Page 14: Designated Boundary Connection Areas

    20m from the boundary line. 3.5.5 Connection to ,Commercial Properties (AL8, AL12 or AL18 Gas Meters) For a new gas connection to a commercial property requiring an AL8 or AL12 gas meter, refer to the Connection Process Handbook.

  • Page 15: Gas Meter Box Locations

    4. Gas Meter Box Locations This section sets out requirements for the location of gas meter boxes. Refer also to the relevant power authority in instances where combination gas / electric meter boxes are to be installed. • The line of service between the gas meter box and the gas connection point is to be considered, ensuring the route is free from hazards / obstructions, and is straight.

  • Page 16: Standard House

    4. Gas Meter Box Locations 4.1.1 Standard House Figure 8 Standard House Installation and accessibility of the gas service must be taken into consideration with regards to distance between the gas meter box and the boundary fences and walls.

  • Page 17: Rear Laneway (Must Determine Gas Availability)

    4.1.2 Rear Laneway (Must Determine Gas Availability) Position ‘B’ in diagram above Position ‘C’ in diagram above Figure 9 Rear Laneway...

  • Page 18: Pre-Laid At Top Of Stairs / Retaining Wall

    4. Gas Meter Box Locations 4.1.3 Pre-Laid at Top of Stairs / Retaining Wall Figure 10 Pre-Laid at Top of Stairs (Double Stairway) Figure 11 Pre-Laid at Top of Stairs (Straight on Single Stairway) 1.5m is the minimum house wall setback distance required to physically install a gas service to avoid retaining wall backing blocks and ensure safe separation from the house slab is maintained.

  • Page 19: Carport

    4.1.4 Carport Figure 12 Carport 4.1.5 Elevated Lot with Retaining Walls Figure 13 Elevated Lot with Retaining Walls...

  • Page 20: House With Swimming Pool

    4. Gas Meter Box Locations 4.1.6 House with Swimming Pool Figure 14 House with Swimming Pool Note: A gas service line must not travel through any part of a pool enclosure. Should any future works position the gas service inside the pool area, the Responsible Person must complete an Alter Gas Meter / Service Position –...
  • Page 21 • A ‘Green Title’ subdivided block must have direct access to a gas main via direct street frontage. Access via an easement or across another property is not acceptable. • For a strata property requiring a gas connection in or through common property, written approval from the Strata Company (Body Corporate) is required.

  • Page 22: Gas Meter Box Location Restrictions (As/Nzs 4645)

    4. Gas Meter Box Locations AGA will not install a new gas service line which crosses through an adjoining lot in order to provide a service to a subdivided property. However in some circumstances AGA may, at its absolute discretion, determine that a new gas service line can be installed where it crosses another property.

  • Page 23: Other Location Restrictions

    4.3 Other Location Restrictions This section identifies other restrictions that must be considered when locating a gas meter box. 4.3.1 Service Regulator Installation Restrictions (AS/NZS 4645) • The gas service regulator shall not be installed in any of the following locations in accordance with AS/NZS 4645.1:2008 (Appendix J3): A lift shaft.

  • Page 24: Gas Meter Box Restrictions In Other Localities

    4. Gas Meter Box Locations 4.3.2 Gas Meter Box Restrictions in Other Localities A gas meter box must not be installed in the following locations: • On a fence, unless the fence is constructed of masonry. Note: Local council by-laws prohibit fixing gas meter boxes to a neighbouring boundary fence.

  • Page 25: Gas Meter Box Installation Requirements

    5. Gas Meter Box Installation Requirements This section provides general information for gas meter boxes which must meet all ATCO Gas Australia design (dimension, ventilation, security, material) and mounting requirements. Specific gas meter box dimensions can be provided by AGA upon request.

  • Page 26: Al8 Dual Gas And Electric Meter Box (Partially Recessed Or Face Mounted)

    5. Gas Meter Box Installation Requirements 5.1.3 AL8 Dual Gas and Electric Meter Box (Partially Recessed or Face Mounted) Dimension A – Should be no less than 600mm and no greater than 760mm. Dimension B – Gas meter boxes must be installed in a location not greater than 1,000mm behind the Building Frontage of a dwelling.

  • Page 27: Gas Meter Box (Fully Recessed)

    5.1.6 Gas Meter Box (Fully Recessed) Fully recessed gas meter boxes are not recommended due to difficulties with gas service pipe connections. Specific conditions must be met where failure to comply will result in delays and mandatory solutions being applied. •...

  • Page 28: Gas Meter Box Mounted On Walls

    5. Gas Meter Box Installation Requirements 5.2 Gas Meter Box Mounted on Walls • Constructed of masonry • cladding 5.2.1 Gas Meter Boxes on Nib Walls (Recommended Alternative Gas Meter Box Position) A nib wall is a term used in construction processes for a short section of wall that protrudes out at 90 degrees and adjoins the main building.
  • Page 29 Figure 24 Free Standing Wall Housing Gas Meter Box (reference only – not for construction) As noted in Section 8 of this document, due care and caution should be exercised by anyone working on or in the vicinity of walls, pillars and other constructions. Safe work instructions and procedures must be followed at all times.

  • Page 30: Gas Service Riser And Footing Requirements

    5. Gas Meter Box Installation Requirements 5.2.3 Gas Service Riser and Footing Requirements To allow for installation of the gas service riser, building footings must be cut and removed, prior to the Request for Gas being submitted. Figure 25 Footing Cut Away 5.2.3.1 Engineered Footing Gas meter boxes must not be located above engineered footings unless the following criteria are met:...

  • Page 31: Window Within Gas Meter Box Exclusion Zone

    Figure 26 Distances from Openings into the Building 5.3.1 Window within Gas Meter Box Exclusion Zone Windows within the exclusion zone must be permanently fixed so they cannot open. Refer to Figure 27. Permissible compliance methods are as follows: • Reversing the openable portion of the window •...

  • Page 32: Gas Meter Boxes Mounted Adjacent To Electrical Power Domes

    5. Gas Meter Box Installation Requirements 5.4 Gas Meter Boxes Mounted adjacent to Electrical Power Domes A 500mm minimum distance exclusion zone applies between the electrical power dome and any part of the gas service including the service riser and gas meter box. Figure 28 Distances from Electrical Power Domes 5.5 Gas Meter Boxes Mounted adjacent to Source of Ignition A 500mm minimum distance exclusion zone applies between any source of ignition and any...

  • Page 33: Protection For Gas Meters

    5.6 Protection for Gas Meters Gas meter (and gas meter box) location safety is the primary consideration and will be enforced prior to any gas meter protection options being considered. Always locate your gas meter box away from traffic areas. If the gas meter or box is not situated in a protective recess and there is likelihood of vehicular damage (e.g., adjacent to a driveway), then the gas meter box must be protected by bollards or alternative methods as shown in Figure 30 and Figure 31 below.

  • Page 34: Security For Gas Meter Box And Enclosure

    5. Gas Meter Box Installation Requirements 5.7 Security for Gas Meter Box and Enclosure 5.7.1 Viewing Apertures for Locked Enclosures Approved viewing apertures are mandatory on gas meter boxes that are to be fitted with locks. The viewing aperture must be placed so that the gas meter index can be read without having to unlock the gas meter box door, and verified by the relevant utility (gas / electricity).

  • Page 35: Gas Meter Banks And Enclosures

    The following provides more detailed requirements for commonly encountered scenarios: Figure 34 AL8 Standard Gas Meter Bank Layout – Gas Meter Boxes...

  • Page 36: Banks Of Gas Meters Mounted On Aga Approved Brackets In Building Recesses

    6. Gas Meter Banks and Enclosures Figure 35 AL8 Non-Standard Gas Meter Bank Layout – Gas Meter Boxes Manifold connections for bank of gas meters in gas meter boxes are recommended when supply pipework cannot maintain underground separation distances from service pipework.

  • Page 37: Depth And Height Of Recesses

    Figure 36 AL8 Gas Meter Groupings Note: Where multiple gas meters are installed, the Responsible Person must clearly mark each gas meter box or bracket with permanent marker (or fixed and robust label) to indicate the unit number being supplied prior to the gas connection taking place.

  • Page 38: Inside The Recess

    6. Gas Meter Banks and Enclosures 6.3.2 Inside the Recess The inside of the recess must meet the following criteria: • Be painted white to reflect light. • No electric lighting or switches may be located inside the recess or enclosure. •...

  • Page 39: Doors And Ventilation

    6.5 Doors and Ventilation If a recess is to have doors fitted (to prevent unauthorized access) then the recess must have: • Doors covering the full opening width to facilitate maintenance access. • Doors constructed of fire retardant material. • Direct and adequate ventilation to outside atmosphere –...

  • Page 40: Floor Finishes

    6. Gas Meter Banks and Enclosures 6.6 Floor Finishes 15mm blue metal (minimum 100mm thick) over plastic sheeting, except where the gas meter set is located in a position where t of the building. In this case, the gas meter riser shall be installed in a manner that will provide future access to the gas service riser pipework both above and below ground.

  • Page 41: Related Documents

    7. Related Documents The following AGA documentation must be referred to when positioning gas meter boxes: AGA Documents Referenced • ATCO Gas Australia Policies, Procedures and SWIs (available upon request) • Connection Process Handbook • Multi-Unit Meter Box Information Sheet •...

  • Page 42: Disclaimer

    10. In this document, ‘including’ means ‘including, but not limited to’. Reference to ‘this diagram’ includes any part of it (including any information or drawing in it). ATCO Gas Australia owns the copyright in the diagram referred to as Figure 24 and does not give any license to copy or reproduce this diagram.

  • Page 43: Appendices

    9. Appendices The Appendices contains printable forms, checklists and other information referred to throughout this document. List of Appendices Appendix A Gas Connection Checklist Appendix B Gas Service Installation on Hold Form Appendix C Gas Safety – DOs and DON’Ts Appendix D Feedback Form...

  • Page 44: Appendix A Gas Connection Checklist

    Appendix A Gas Connection Checklist Gas Connection Checklist Have you referred to the ATCO Gas Australia Gas Meter Box Location Handbook Has gas availability been confirmed? If Yes, where? Is the correct gas meter box fitted? Is gas meter box at the correct recess depth? If not, has fully recessed box guide been followed?

  • Page 45: Appendix B Gas Service Installation On Hold Form

    When the above conditions have been rectified, and to reschedule the gas service installation: Please contact __________________ (contractor mobile phone) between 8 a.m. and 4 p.m. or the ATCO Gas Australia Call Centre on 13 13 56 between 7 a.m. and 6 p.m. and quote the address, job notification number and the reason (on this form) that was given for the service being put on hold.

  • Page 46: Appendix C Gas Safety - Dos And Don'ts

    Appendix C Gas Safety – DOs and DON’Ts When you HEAR, SEE or SMELL Gas or when you have DAMAGED a Gas Asset • H ear – See – Smell Gas – STOP! Immediately move to a safe location upwind. • B roken Gas Service or Gas Main – STOP! Immediately move to a safe location upwind. Open doors and windows to allow gas to dissipate.

  • Page 47: Appendix D Feedback Form

    Do you require a response to your suggestion / request? Description of Change: Reason for Change: Your Information Phone: (daytime) Name: Address: Date: (dd/mm/yyyy) Signature: Please return completed form to: ATCO Gas Australia Construction Service Delivery PO Box 3006 Success WA 6964 Email: construction@atcogas.com.au...
  • Page 48 ATCO Gas Australia 81 Prinsep Road, Jandakot WA 6164 | www.atcogas.com.au Email: construction@atcogas.com.au | Phone: 08 6163 5000...

This manual is also suitable for:

Al10Al12Al18

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