AS-CONSTRUCTED DRAWINGS - SERVICES AND MAINS - GAS DIVISION - Document No: AGA-A&C-GL01 - Revision 6

Oct 23, 2026

Guideline defining standards and requirements for “As-Constructed” drawings for ATCO gas distribution network construction and maintenance work. Establishes purpose, scope, responsibilities, key definitions, and a method covering submission timing, workflow coordination, and GIS-ready recording of gas services. Specifies documentation quality for Location Intelligence GIS entry, accuracy to support visual/map interpretation, and procedures for recording and managing connections and alterations within the gas network.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages26

Reading Time1 h 6 min

AccessFree to download

Purpose/Objective

Scope

Responsibilities/Accountabilities

Definitions

Method

Introduction

Work Flow

Recording Gas Services

As-Constructed Plans for Unit Complexes

Required Information on “As-Constructed” Drawings and Forms

Alteration to Services

Disconnection and Decommissioning

As-Constructed Drawings of Gas Mains on “Large” Format Plans

Retrieval of “As-Constructed” Maps and Plans

ATCO Gas GIS Symbology Standard

References

Document Approval

Document History

AS-CONSTRUCTED DRAWINGS – SERVICES AND MAINS GAS DIVISION Document No: AGA-A&C-GL01 Revision No: 6 Issue Date: 15/04/2024 Contents 1. PURPOSE/ OBJECTIVE ..............................................................................................................3 1.1 SCOPE ................................................................................................................................................. 3 2. RESPONSIBILITIES/ ACCOUNTABILITIES.....................................................................................3 3. DEFINITIONS ............................................................................................................................3 4. METHOD..................................................................................................................................4 4.1 INTRODUCTION .................................................................................................................................. 4 4.2 WORK FLOW....................................................................................................................................... 4 4.3 RECORDING GAS SERVICES ................................................................................................................ 4 4.3.1 Connection to a Pre-laid Service ........................................................................................................ 8 4.3.2 Connection to Unit Complexes ........................................................................................................ 13 4.3.3 Connection to House behind a House ............................................................................................. 15 4.4 AS-CONSTRUCTED PLANS FOR UNIT COMPLEXES ........................................................................... 15 4.5 REQUIRED INFORMATION ON “AS-CONSTRUCTED” DRAWINGS AND FORMS ............................... 16 4.6 ALTERATION TO SERVICES................................................................................................................ 17 4.7 DISCONNECTION AND DECOMMISSIONING .................................................................................... 17 4.8 AS-CONSTRUCTED DRAWINGS OF GAS MAINS ON “LARGE” FORMAT PLANS,(A3 AND GREATER) ......................................................................................................................................... 20 4.9 RETRIEVAL OF “AS-CONSTRUCTED” MAPS AND PLANS ................................................................... 25 4.10 ATCO GAS GIS SYMBOLOGY STANDARD .......................................................................................... 25 5. REFERENCES .......................................................................................................................... 25 6. DOCUMENT APPROVAL.......................................................................................................... 26 7. DOCUMENT HISTORY ............................................................................................................. 26 1. PURPOSE/ OBJECTIVE The purpose of this document is to ensure all As-Constructed drawings meet the standards detailed below. 1.1 Scope This guideline describes ATCO’s requirements for “As-Constructed” drawings for all construction and maintenance activities as installed or altered on the ATCO gas distribution network. 2. RESPONSIBILITIES/ ACCOUNTABILITIES | Position Title | Key Responsibilities | | --- | --- | | Location Intelligence | All As-Constructed drawings are entered into the Geographical Information System (GIS) | 3. DEFINITIONS | Term/ Acronym | Definition | | --- | --- | | AGA | ATCO Gas Australia | | ATCO | ATCO Ltd (the Global Corporate entity based in Canada) | | ESRI | Environmental System Research Institute | | GIS | Geographic Information System | | GDA94 | Geocentric Datum of Australia 1994 | | CAD | Computer Aided Design – drafting

FAQs

What is the purpose of the As-Constructed drawings guideline?

It ensures all As-Constructed drawings meet defined standards for construction and maintenance activities on the ATCO gas distribution network.

What scope does the guideline cover?

It covers ATCO’s requirements for As-Constructed drawings for all construction and maintenance activities as installed or altered on the ATCO gas distribution network.

How are As-Constructed drawings submitted and used for GIS entry?

Jobs are coordinated through ATCO Planning; after field work, related As-Constructed plans/documents/forms must be checked for accuracy and completeness, and drawings for GIS input must be forwarded to Location Intelligence via the provided email or hard copy.

Oct 23, 2026

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