Network Services: Design Construction Drawings - Essential Energy

Network Services: 

Design Construction 

Drawings 

24 th March 2011 

24 th March 2011 

ISSUE 3 

UNCLASSIFIED 

UNCONTROLLED COPY IF PRINTED

UNCLASSIFIED 

OPERATIONAL MANUAL – Network Services: Design Construction Drawings 

CEOM7001 

PREPARED BY: 

Liaison and Development Officer 

AUTHORISED BY: 

Group Manager Network Asset Systems 

DOCUMENT NUMBER: CE OM7001 - ISSUE 3 

This plan is copyright. No part may be repr oduced by any proc ess wi thout wri tten permi ssion, 

except as permitted under the copyright act. 

DISCLAIMER 

1 Essential E nergy may change the information in this document without notice. Al l changes 

take effect on the date made by Essential Energy. A prin t version is alw ays an uncontrolled 

copy. Before using this document, please ensure that it is still current. 

2 This document may co ntain confidential information. Restri ctions on the use and di sclosure 

of confidential information by employees a re set out in your contract of employment. 

Restrictions on the use and disclosure of confidential information by contractors are set out in 

your contra ct of enga gement wi th Esse ntial Energy. Sub-contractors are bound b y the 

confidentiality prov isions set ou t in t heir con tract with the contractor engaged by Essential 

Energy. 

2011 E SSENTIAL E NERGY 

24 March 2011 - Issue 3 

Approved By: Group Manager Network Asset Systems 

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OPERATIONAL MANUAL - Network Services: Design Construction Drawings 

CEOM7001 

CONTENTS PAGE 

1 INTRODUCTION .......................................................................................................5 

2 WHY THESE INSTRUCTIONS ARE IMPORTANT...............................................................5 

3 CHALLENGES ...........................................................................................................5 

4 SAFETY AND WORK PRACTICES..................................................................................5 

5 THE CONSTRUCTION PLAN DETAILS ...........................................................................5 

5.1 Drawing Sheets ........................................................................................................ 6 

5.2 Title Block................................................................................................................ 6 

5.3 Amendments & Revisions ........................................................................................... 6 

5.4 Electronic Level & Layering convention ......................................................................... 7 

5.5 Electronic Drawing File Format .................................................................................... 7 

5.6 Electronic File Naming Convention ............................................................................... 7 

5.7 Accredited Persons .................................................................................................... 7 

5.8 Certification ............................................................................................................. 7 

5.9 Design Alterations..................................................................................................... 7 

5.10 Submitting Plans for Certification................................................................................. 8 

5.10.1 Hardcopy Plans ........................................................................................................8 

5.10.2 Electronic Plans........................................................................................................8 

5.11 As Constructed Plans ................................................................................................. 8 

5.12 Folding and Filing Hardcopy Plans................................................................................ 8 

6 THE CONSTRUCTION PLAN PRESENTATION..................................................................9 

6.1 Symbology............................................................................................................... 9 

6.2 Line Style and Weight Definitions ................................................................................ 9 

6.3 Scaling ...................................................................................................................10 

6.4 Scale for Electronic Plans ..........................................................................................10 

6.5 Coordinate System for Electronic Plans........................................................................10 

6.6 Dimensioning and Annotations ...................................................................................10 

6.7 Schedules ...............................................................................................................11 

6.8 Schematic Diagrams.................................................................................................11 

6.8.1 For High Voltage (HV) Schematics ............................................................................ 11 

6.8.2 For Low Voltage (LV) Schematics ............................................................................. 12 

6.9 Padmount Substations ..............................................................................................12 

6.10 Earthing .................................................................................................................12 

6.11 Streetlights .............................................................................................................12 

6.12 Interconnection Points ..............................................................................................13 

6.13 Asset Labels............................................................................................................13 

6.14 Danger Points..........................................................................................................13 

6.15 Other Services.........................................................................................................13 

6.16 Obstructions............................................................................................................13 

6.17 Trench Sections .......................................................................................................13 



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6.18 Easements ..............................................................................................................13 

6.19 Reimbursement scheme............................................................................................13 

6.20 Safety or Environmental Hazards ...............................................................................13 

7 DETAIL OVERVIEW REQUIRED FOR CONSTRUCTION PLANS.......................................... 14 

7.1 General Details ........................................................................................................14 

7.2 Cadastre Details ......................................................................................................14 

7.3 Electrical Installation Details ......................................................................................15 

8 REFERENCES ......................................................................................................... 35 

9 REVISIONS............................................................................................................ 35 



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1 INTRODUCTION 

The E ssential E nergy electrica l network is desi gned to delive r a re liable e lectrical energy 

supply to c ustomers. A constr uction plan should clearly conv ey t o constru ction staf f al l 

information for the co nstruction of or proposed al terations to Essential Energy’s el ectrical 

network. It should also detail changes to a ssociated cad astral such as new allotments or 

roadways. The “as c onstructed” pl an wi ll be used to update Es sential Energy’s Net work 

Asset Management Systems to maintain an a ccurate represen tation of the electr ical 

network. 

2 WHY THESE INSTRUCTIONS ARE IMPORTANT 

This docu ment prov ides det ails of t he st andard constru ction pl an requi rements for the 

submission of manua l or e lectronic constr uction plans t o E ssential E nergy. Un iform 

practices are i mportant to ensure that the i nformation is accu rate an d consist ent t o allow 

the work to be constructed and data processed without ambiguity. 

This docu ment w ill be u nder regu lar rev iew an d f eedback is en couraged f rom an yone 

reading this document. For further information or for any queries relating to this document, 

contact Network Asset Systems Section at Essential Energy. 

3 CHALLENGES 

The construction plans must be co nsistent in th e presentation of design information, notes, 

diagrams, sch ematics an d sch edules w hich w ill a llow f or a cl ear in terpretation of the 

information con cerning an y addit ion or alt eration t o Essen tial E nergy’s elect rical n etwork 

assets. 

A comprehensive construction plan standard will lead to: 

• A clear understanding of what is required by designer 

• A clear and complete understanding of what is required by construction staff 

• A clear interpretation of plans and schedules by Essential Energy’s delegated staff 

• Standardised electronic construction plans for viewing, printing and reference. 

4 SAFETY AND WORK PRACTICES 

Designs must allow for and adhere to the standard safety work practices routinely employed 

in the construction and maintenance activities within Essential Energy. 

All designs must adhe re to Essential Energy ’s Subtrans mission an d Distribution Network 

Planning Criteria and Guidelines (CEPG8003). 

5 THE CONSTRUCTION PLAN DETAILS 

Construction pl ans are i ntended to provi de direction for constr uction staff as well as 

facilitate the updati ng of Essen tial Energy’s corporate Asset Manage ment systems. Colour 

electronic construction plans should be able to be printed in black and white without loss of 

clarity. 



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5.1 Drawing Sheets 

Hardcopy plans s hould show the sheet size used in the title bl ock or other suitable locat ion 

and shall be drawn on one of the following sheet sizes: 

• A0 Landscape or Portrait orientation 




• A4 Landscape orientation 

Hardcopy plans that have been enlarged or reduced from the original size shall be 

annotated as “Not to Scale” in Title Block or at a suitable location on the plan. 

5.2 Title Block 

The t itle block sh ould prov ide in formation relev ant f or t he iden tification of the work, 

location, construction, data collection and filing. The title block should appear at the bottom 

right hand corner of the sheet where possible. The following details shall appear in the title 

block: 

• Should be a combination of or some of the 

Description 

following: Address, Name of Customer, Subdivision 

or Development Name & Stage (if applicable). 

Drawing Number • Project No. (Supplied by EE) 

Scale 

• The scale of the printed drawing. (Should be “Not To 

Scale” if drawing is printed at reduced scale) 

Drawn By • Name of Designer. 

Project Cost Number • Project No. (Supplied by EE) 

Issue • The current drawing revision issue (initial revision A) 

Date Issued • Date drawing finalised by designer. 

Amendment Details 

• Shall record any alterations made to final plan after 

date of original issue. 

The owner of the construction plan document (i.e. Company or Contractor Name/Logo) shall 

also be located in or near the title block. Other relevant information to the design may also 

be placed in the title block. 

Please refer to Attachment K for example of Essential Energy’s Standard Title Block layout 

and amendment notation. 

5.3 Amendments & Revisions 

The original issue shall be deemed Issue A. Subsequent issues of the drawing shall be called 

Issue B, then Issue C etc. Ame ndments details shall be sho wn in the title bloc k and have 

the following: 

• Issue Followed by the amendment details 

• By Name of person making alterations 

• Date Date of alterations 

Please refer to Attachment K for example of Essential Energy’s Standard Title Block layout 

and issue notation. 



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5.4 Electronic Level & Layering convention 

Please refer to Attach ment J for a breakdow n of the Essential E nergy C omputer Aided 

Drafting (i.e. CAD) levels or layering standard. 

5.5 Electronic Drawing File Format 

All electronic plans shall be free of viruses and can be supplied any of the following formats: 

• Microstation drawing file (DGN or RDL) 

• AutoCAD drawing file (DWG) 

• Drawing Exchange Format (DXF) release 12 or later 

• Adobe PDF (Provided a plan in one of the above formats is also submitted). 

5.6 Electronic File Naming Convention 

When naming an electronic version of the cons truction plan the filename given should allow 

the fi le to be i dentified as part o f a project. Th e f ilename sh ould also clearly state what 

revision it is. 

The fi lename gi ven to the el ectronic constru ction plan file should adhere to the following 

guidelines: 

• Should contai n a p roject num ber, certi fication or other num ber that allows 

identification of the project to which the construction plan belongs 

• Should contain a file or sheet reference if there is more then one file (i.e. 1 of 2) 

• Should contain the revision or amendment issue 

• A file extension (eg. DGN, RDL, DWG, DXF) 

• The filename should not contain a full stop (i.e. a “.” character) other then to separate 

the file name from the extension 

• It should also not contain any of the following characters: 

5.7 Accredited Persons 

( ) ? ! @ # $ % ^ * “ ” ~ ` , ; : { } [ ] 

All plans submitted to Essential Energy fo r certification must carry the Designer’s 

Accreditation Number. Plans submitted from no n-accredited persons or not bearing a valid 

accreditation number will be rejected. 

5.8 Certification 

All constructi on pl ans must be approved by Esse ntial Energy 's Planning M anager or 

delegated person. Evidence of approval by all other service providers (Telstra, W ater, Gas, 

etc.) that may be affected sha ll be supplied with the plan. T he evidence supplied shall be 

up to date at time of submission. 

5.9 Design Alterations 

Any devi ation from th e submi tted pl ans du ring the c onstruction phase mu st fi rst be 

approved in writing by Essential Energy's delegated person. A ll deviations from the original 

plan are to be included on an “As Constructed” plan that should be s ubmitted when works 

are completed. 



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5.10 Submitting Plans for Certification 

All construction plans (hardcopy and electronic) should be submitted to Essential Energy for 

certification. The certified construction plan will be returned to designer. 

5.10.1 Hardcopy Plans 

Every construction drawing shall display the following certification stamp: 

5.10.2 Electronic Plans 

Essential Energy can ac cept construction plans submitted in Adobe Ac robat format (PDF) e- 

mailed to the Pl anning Protecti on Con nection Of ficer together wi th pl ans s upplied as per 

Section 5.5. A certified Adobe Acrobat plan will be returned via return e-mail. 

When plans are su pplied in a f ormat as per Sect ion 5.5, then Essential Energy may create 

an Adobe Acrobat (PDF) file and certify it by means of a digital signature, before returning it 

via return e-mail. 

5.11 As Constructed Plans 

Upon comp letion of the constr uction an “ As Constructed” Pl an should be returned to 

Essential E nergy in an accept able elect ronic f ormat an d clearly ma rked “ As Con structed”. 

Plan sh ould sh ow all asset s correct ly labe lled an d any dev iations f rom t he orig inal a s 

designed construction plan. 

5.12 Folding and Filing Hardcopy Plans 

All hard copy cons truction plans should be fold ed into A4 si ze with the title block vi sible in 

the bottom ri ght hand corner. All attachments to these plans should be stapl ed to the top 

left hand corner of the plan. 



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6 THE CONSTRUCTION PLAN PRESENTATION 

6.1 Symbology 

All symbol s rel ating to the produ ction of co nstruction plans must conform to Essential 

Energy’s standard symbology (refer to Attachments F, G & H). All symbols should be scaled 

correctly and consistently in line with the overall scale used for the construction plan. 

6.2 Line Style and Weight Definitions 

Line styl es or li ne types are used to represent di fferent conductor or cabl e types on the 

construction pl an. Essential En ergy has d eveloped a num ber of line styles for use o n 

construction plans. The following table shows examples of line styles in use by EE. 

Style 

Name 

Description 

Representation 

Table 7.1 Microstation Line Styles 

Line styles and line weight (line thickness) are used to represent different cable types. The 

line weight is a term used to describe the thickness of a line and is sometimes known as Pen 

Thickness. T he following table describes the relationship of line weight to pen thicknesses 

used in Essential Energy’s standard construction drawings. 

Line Weight 

0 0.25 

1 0.35 

2 0.5 

3 0.7 

4 1.0 

5 1.2 

Line (Pen) Width (mm) 

Table 7.2 Line Weights to Pen Thickness 

For a compreh ensive li st of all E ssential E nergy’s lin e st yles an d weigh ts, please ref er t o 

Attachment I. 



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6.3 Scaling 

Hardcopy plans shall be drawn to an approp riate scale to show a ll design in formation 

legibly. A ll scales u sed on t he draw ing sh ould be in dicated in t he t itle bl ock o r n ear t he 

appropriate drawing detail. The following scales are to be used: 

Construction Plan 

1:500 

1:1000 

1:1250 

1:1500 

1:2000 

1:2500 

1:4000 

1:5000 

*1:7000 & above 

Note: * Should only to be used in sparsely populated areas. 

Details on plans 

1:100 

1:200 

1:250 

1:400 

6.4 Scale for Electronic Plans 

Schematic Diagrams 

As required (URD LV) 

As required (URD HV) 

Not To Scale 

(Rural HV/LV) 

The plan s hall be drawn at true scale (i.e. 1 unit: 1 metre). Hardcopy pri nts s hould be 

produced at appropriate scales (refer to 6.3). All symbols and annotation should be inserted 

scaled correct scale factor. 

6.5 Coordinate System for Electronic Plans 

Where t he construction plan is spat ially loc ated u sing a mappin g coordin ate sy stem, it is 

preferred that the coordinate system used be MGA94 zone 54, 55 or 56. 

6.6 Dimensioning and Annotations 

All di mensioning and annotati ons shal l be arra nged so that they can be read from the 

bottom or right hand side of the dr awing sheet. All text should be legible and be displayed 

at least 1.8mm in height for the appropriate scale of the construction plan or when printed 

to hardcopy. 

Text sho wn on plans should be in a t ext st yle ( i.e. f ont) t hat is easy t o read. E ssential 

Energy has a preference for standard font styles such as ISO or Arial. 

All d imensions sh all be in met ric. L inear di mensions sh ould be show n in metres ( m) and 

angular dimensions shown in degrees and mi nutes. Al l notes, text and dimensions 

(excluding Asset Labe ls) should be placed on a l evel or l ayer dedi cated to text or 

dimensions. 



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Dimensions should adhere to the following: 

• For overhead spans the span lengths sho uld be shown to the neares t 0.1 metre (m) 

and placed at or near the midpoint of span. Dimension lines are not required 

• It is acceptable for angles to be shown to the nearest degrees (i.e. 36 o 43’ -> 37 o ) 

• All underground cable lengths should be shown in the underground cable schedule 

• Other dimensions required for construction may use dimension lines as required. 

6.7 Schedules 

Schedules provide a structured layout of information relevant to the job. The main purpose 

of the schedule is to reduce t he amount of detail and congestion shown on the construction 

plan w hich sh ould mak e it eas ier t o read. Schedules are n ot in tended t o be u sed f or 

estimating or used as a comprehensive material list. 

Schedules, where possible, should appear on the same sheet as the design. If this is not 

possible then schedules should be placed onto a sep arate sheet. T his she et should b e 

allocated the same drawi ng number as construc tion plan and given the next she et number 

(e.g. Construction Plan: Sheet No.1 and Schedules: Sheet No.2). 

A separate schedule is required for (Refer to Attachments for examples): 

• Overhead Construction 

• Overhead Conductor 

• Streetlight 

• Underground Construction 

• Underground Cable and Conduit. 

6.8 Schematic Diagrams 

Schematic diagrams are required for operatio nal purposes. HV schematic diagrams are 

required to be shown on all construction plans and should identify how new works fit in with 

existing network. 

6.8.1 For High Voltage (HV) Schematics 

If any alterations or additions to the high voltage (HV) network are involved, a High Voltage 

Schematic Diagram shall be provided. As a minimum the HV sche matic should show up to 

the first approved switching poin t and substation (Whether they appear on the construction 

plan or not) and should include the following: 

• Substation Sites (with Asset Label) 

• Switches (with Asset Label & Normal Operating State i.e. open or closed) 

• High voltage pits (with Asset Label) 

• High voltage cubicles (with Asset Label) 

• Open points 

• Live Line Clamps 

• Future connections 



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Both existing and proposed netwo rk shall be shown and annotated to indicate “existing” or 

“proposed” (eg “Existing Sub 33-1 2345”). Depending on the complexity of the project, HV 

schematic should be shown even though changes are only on the LV system. Symbols shall 

be consistent wi th Es sential Energy’s EN MAC system as shown in ATTA CHMENT F – 

ELECTRICAL SYMBOL OGY: SCH EMATICS a nd ATTA CHMENT G - TYPI CAL SCHE MATIC 

DIAGRAMS. 

6.8.2 For Low Voltage (LV) Schematics 

Low Vol tage (LV) sc hematics are generally not required unl ess t he LV i nterconnects wi th 

existing L V n etwork. L V Sch ematics are n ot requ ired f or isol ated ru ral n etworks or 

substations that do not have LV associated with t hem that co uld connect into adjacent 

existing LV. Where streetlight circuits are su pplied separatel y from the LV ci rcuit, then a 

separate streetlight schematic should be shown. 

The LV sc hematic should show up to the ne w or existing substa tions and include the 

following: 

• Substation sites (with Asset Label) 

• Switches (Asset Label & Normal Operating State i.e. open or closed) 

• Low voltage cubicles containing switches (with Asset Label) 

• MEN points 

• Open points 

• Future connections 

• LV service connection details at both sides of new LV Open points. 

Both existing and proposed netwo rk shall be shown and annotated to indicate “existing” or 

“proposed” (e.g. “Proposed LVL12345”). Refer to ATTACHMENT F – ELECTRICAL 

SYMBOLOGY: SCHEMATICS and ATTACHMENT G - TYPICAL SCHEMATIC DIAGRAMS. 

6.9 Padmount Substations 

The physica l orientation of padmount s ubstations shall b e shown (e .g. “HV EN D TO FACE 

ROADWAY”). 

6.10 Earthing 

Where a co unterpoise earthing system is use d, the location and detail s should be noted i n 

the construction schedule. 

Where a co unterpoise earthing system is not used, the location of the earth wire shall b e 

recorded on the plan and construction schedule. The type of substation earthing to be used 

shall also be shown (e.g. combined or separate HV & LV earthing system). 

6.11 Streetlights 

Construction plans should show all details associated with the installation of or alterations to 

any Essential Energy Streetlights affected by construction work and include a streetlight 

schedule (see Attachment E). 

Designers should apply the correct Tariff Type to each streetlight installation (Refer to 

CEOP1023 Public Lighting: Management Plan). The designer must ensure the Tariff Type is 

noted in the schedule on the construction plan. 



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6.12 Interconnection Points 

All proposed connections of the new system into the existing underground and/or overhead 

system shall be shown. 

6.13 Asset Labels 

All new and existing Essential Energy assets s hown on th e construction plans should have 

an asset label clearly indicated. It is acceptable to annotate all new Essential Energy assets 

appearing on the construction plan w ith th e ph ysical la bel t hat is issued t o th e f ield ( eg 

SUB22345). If known the FSC Ar ea Code may be inclu ded as a pr efix to substation and 

switch labels. 

All Asset Labels will be provided to the constructing ASP when they present with a Notice to 

Commence Constr uction. Asset Labels di stributed for i nternal construc tion wi ll be in 

accordance with CEOP8042 Networks: Asset Identification & Operational Labels. 

6.14 Danger Points 

All points of potential d anger where works need to be carried out near mains which are or 

may become energised shall be clearly indicated on the plan. 

6.15 Other Services 

Other services crossing Es sential Energy co nductors or cables sha ll be record ed and the 

type of service indicated (e.g. Telstra, water, stormwater or sewerage). 

6.16 Obstructions 

All known obstructions to the works are to be indicated on the plan. 

6.17 Trench Sections 

Cable trench sections not complying with the Essential Energy standard shall have its depth, 

width and cable configuration clearly shown on plans. 

6.18 Easements 

Where known, reference to existing and pro posed easements s hould be indicated on plans 

together with registration details. 

6.19 Reimbursement scheme 

Details of ex isting Reimbu rsement Sch emes w ill be su 

Reimbursement Staff on request at time of design. 

pplied by Essential E nergy 

Details of any ne w Rei mbursement Schem e to cover a propose d construction will be 

completed by Essential Energy Reimbursement st aff when project is ready to proceed or at 

time of connection. 

6.20 Safety or Environmental Hazards 

Safety and Environment hazards and their associated controls should be clearly shown and 

noted on construction plans in accordance with CECM1000.90 – SSHE Manual Handbook. 



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7 DETAIL OVERVIEW REQUIRED FOR CONSTRUCTION PLANS 

Information required for construction plans and schedules are as follows: 

7.1 General Details 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

North Indicator (indicating grid North or Magnetic North) 

Designer’s accreditation number 

Relevant drawing references 

All symbology to Essential Energy Standards 

Title block completed 

Plan Amendments - noted & dated. Revision issue updated (eg A, B etc) 

Legends 

Safety and Environmental hazards and associated controls indicated 

Notes: All Safety and Environment Hazards notes clearly shown 

Notes: Any special conditions from local council or RTA noted on plan 

Notes: Indicating who is responsible for trenching, clearing, service work etc. 

Notes: Disclaimers shown as required 

Notes: Environmental conditions 

Notes: Cable destination label requirement note added 

Overhead and/or Underground Construction Schedules (Attachment A and/or C) 

 

Overhead Conductor and/or Underground Cable & Conduit Schedules (Attachment B 

and/or D) 

Streetlight Schedule (Attachment E) 

 

Stringing charts (Only required if outside Essential Energy Design Standards) 

7.2 Cadastre Details 

 

 

 

 

 

 

 

 

 

 

 

Streets and Roads (Including Names) 

Access tracks, fences, gates shown 

New allotment boundaries and numbers (including parks & reserves) 

New allotment dwelling densities 

Existing allotment number of subdivision 

Existing allotments and numbers adjacent to new work (i.e. deposited plan number, 

section number and lot number) 

Easement details (proposed and existing) including registration details. 

Reimbursement Scheme and Number 

Environmentally sensitive areas 

Distance and indicator to nearest road intersection & other information to clearly 

identify location of site 

Any Special Features shown (eg rock holes) 



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7.3 Electrical Installation Details 

 

 

 

 

 

 

Substation Sites with Essential Energy Asset Labels & rating (new and existing) 

Switches with Essential Energy Asset Labels (new and existing) 

Poles with Essential Energy Asset Labels (new and existing) 

Stays 

Streetlights with Essential Energy Asset Labels (new and existing) 

Conductors (single line representation) 

Overhead conductors span lengths (Refer to Section 6.6) 

 

 

 

 

 

Overhead conductor deviation angles i.e. take-off angles and in line angles (Refer to 

Section 6.6) 

Overhead conductor fittings e.g. vibration dampers, bird diverters, aircraft marker and 

LV spreaders 

Cables (show individual cables) 

Cable joints 

Cable markers shown in rural areas. (Refer to CEOM7201.15 Electricity Cable Danger 

Sign) 

Trenches: Identify shared trenches (Refer to Section 6.17) 

 

 

 

 

 

 

 

 

 

 

 

Existing cable/conductor sizes shown 

Cubicles with Essential Energy Asset Labels (new and existing) 

Service pits 

Conduits (including spare) 

Point of Supply (not required for subdivisions) 

Services with phasing 

Load densities shown (e.g. No of units, pump ratings etc) 

Vibration dampers (plan and construction schedule) 

Air navigation markers for circuit over crossings (plan and construction schedule) 

Aircraft and/or bird warning markers (plan and construction schedule) 

LV spreaders (plan and construction schedule) 

Earths (Refer to Section 6.10) 

 

 

 

 

Private poles identified 

Obstructions and other services (eg water mains, communication lines etc.) 

Existing mains at points of connection through to nearest substation and switching 

point where possible 

Existing residences, sheds, pumping stations etc. to be supplied from new mains. 

Ratings of loads of 50kVA or greater that are to be connected (e.g. pumping stations) 

must be indicated 

HV Schematic (Identify proposed & existing – Refer to Section 6.8.1) 

 

LV Schematic (only where LV is interconnected. Identify proposed & existing – Refer 

to Section 6.8.2) 



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ATTACHMENT A - OVERHEAD CONSTRUCTION SCHEDULE 

This schedule must contain all information relevant to the design, construction and recording of the structures associated with overhead work on the 

construction plan. All constructions include additions and erection of new assets, the modification and recovery of existing assets. 

The following information must be provided for every pole site affected by the construction: 

• Asset Label - Mandatory for all new and existing poles (where available). 

• Peg No - Number used to identify location on plan. This can be used to indicate existing assets where labels are 

not able to be (or yet to be) determined. 

• Standard Drawing No. - A standard drawing no. reference for each construction type at each pole site. 

• Assembly No. - Assembly No if indicated on Essential Energy Standard Drawings. Otherwise left blank. 

• Construction Notes: 

• Switches - Switch type, phases, voltage & Asset Label 

• Substations - Include kVA, phases, voltage & Asset Label 

• Constructions Type - Include all x-arms, stays, anchors, footings, sink depth, vibration dampers, etc. 

• Construction Status - Used to indicate status for constructions: Install, Add, Existing, Relocate or Recover 

• Earthing - Indicate MEN and earthing details 

• Other - Note all other relevant details for each pole site. 

OVERHEAD CONSTRUCTION SCHEDULE Example 

Peg No. 

Asset Standard Drawing Assembly 

Label 

No. 

No. 

Construction Notes 

9 CE12345 7101.03 ERECT 14m 8kN POLE - SINK 2.15m DEEP 

7101.20 2 INSTALL 11kV 3 PHASE TERMINATION - 2.4m TYPE S5 X'ARM 

7106.01 INSTALL VIBRATION DAMPERS - 1 PER CONDUCTOR 

Please Note: The schedules contained in these attachments are examples only and have been included to illustrate layout only. 



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ATTACHMENT B - OVERHEAD CONDUCTOR SCHEDULE 

This schedule must contain all information relevant to the design , construction and recording associated with overhead conductor work on 

the construction plan. Details should include erection of new and the recovery of existing conductor. 

The following information must be provided for all conductors affected by the construction: 

• Route of stringing - ‘From’ and ‘To’ pole (asset label) or peg sites. 

• Voltage - Nominal voltage that conductor will be energized at. (eg LV, 11kV …) 

• Conductor Types - Conductor Name/Code 

• Construction Status - Indicate for all constructions: Install, Add, Existing, Relocate or Recover 

• Design Tension - % UTS @ Design Temperature ( o C). 

• Ground Clearance - metres (m) above ground @ max operating temperature ( o C). 

• Route length - Route length in metres (m). 

• Ruling span - Ruling span in metres (m) used for design calculations. 

From 

To 

Conductor Details Voltage / Wires / 

Conductor 

OVERHEAD CONDUCTOR SCHEDULE 

Route 

Length 

Example 

Design Tension 

Ruling 

Span 

Min Design GC @ Max 

Operating Temp. 

25856 25824 

RECOVER EXISTING 1 PHASE 11kV 

MAINS 

25856 25819 ERECT 3 PHASE 7/3.00AAAC 11kV 304m 17 

% UTS 

@ 

15 

o C 152m 7.3 m @ 65 

o C 

Please Note: The schedules contained in these attachments are examples only and have been included to illustrate layout 

only. 



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ATTACHMENT C - UNDERGROUND CONSTRUCTION SCHEDULE 

This schedule must contain all information relevant to the design, construction and recording of the equipment associated with underground 

work on th e constructi on pl an. Al l construc tions i nclude addi tions and erecti on of new assets, th e m odification and recovery of existin g 

assets. 

The following information must be provided for underground sites affected by the construction: 

• Asset Label - Mandatory for all new and existing assets 

• Standard Drawing No. - A standard drawing no. reference for each construction type at each site. 

• Assembly No. - Assembly No if indicated on Essential Energy Standard Drawings. Otherwise left blank. 


• Construction Status - Used to indicate status for constructions: Install, Add, Existing, Relocate or Recover 

• Switches - Switchgear type, phases, voltage & Asset Labels 

• Substations - Include type (i.e. padmount, indoor or ground), kVA & other relevant details 

• Construction Types - Include all other equipment types: pits & pillars, terminations (HV/LV & OH to UG) 

• Earthing - Indicate MEN & earthing details. 

• Cable markers - Shown in rural areas. 

• Trenches - Identify shared trenches 

• Other relevant details - Signs etc 

UNDERGROUND CONSTRUCTION SCHEDULE Example 

Asset Label 

Standard 

Drawing No. 

Assembly No. 


CE12345 7204.35 ADD 240sqmm AL XLPE PVC / HDPE 11kV UNDERGROUND CABLE TERMINATION 

7207.08 ADD 11kV CABLE TERMINATION EARTH 

SUB654321 7203.80 INSTALL 750kVA ABB PAD MOUNT SUBSTATION WITH ABB SAFELINK 


only. 



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ATTACHMENT D - UNDERGROUND CABLE AND CONDUIT SCHEDULE 

This schedule must contain all information relevant to the design , construction and recording associated with overhead conductor work on 

the construction plan. Details should include erection of new and the recovery of existing conductor. 

The following information must be provided for all conductors affected by the construction: 

• From & To - Indicate cable route using start and finish Asset Labels. If not an asset use suitable site location no. 

• Cable & Conduit Details: 

• Construction Status - Indicate for all constructions: Install, Add, Recover, Disconnect, Spare etc. 

• Voltage - Nominal voltage that conductor will be energized at (eg LV, 11kV) 

• Cable Types - Cable Description/Type, Code, Size, No of Cables 

• Route length - Route length in metres (m). 

UNDERGROUND CABLE & CONDUIT SCHEDULE Example 

From To Cable & Conduit Details Route Length 

EX. SUB 983862 EX. POLE CE81466 Disconnect Existing 11kV 3 Core 240Sqmm Al XLPE 

Cable - Leave Cable In Ground 

EX. SUB 983862 EX. PIT 97032340 Disconnect Existing LV 4 Core Solid 240Sqmm Al XLPE 

Cable - Leave Cable In Ground 

11kV JOINT 'B' SUB 993224 Install 11kV 3 Core 240Sqmm Al XLPE PVC/HDPE Cable 140m 

SUB 993224 S/S 97321463 Install 11kV 3 Core 240Sqmm Al XLPE PVC/HDPE Cable 185m 

S/S 97321463 NEW POLE CE81466 Install 11kV 3 Core 240Sqmm Al XLPE PVC/HDPE Cable 25m 


only. 



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ATTACHMENT E - STREETLIGHT CONSTRUCTION SCHEDULE 

This sched ule must c ontain al l information relevant to the desi gn, constr uction and rec ording associ ated wi th Streetl ight work on th e 

construction plan. Details should include erection of new and the recovery of existing conductor. 

A ‘Streetlight Schedule’ shall be shown on all plans where streetlights are being installed. The following information shall be shown: 

• Asset Label - Mandatory for all new and existing streetlight poles and columns 

• Standard Drawing No. - A standard drawing number reference for each construction type at each site 

• Assembly No. - Assembly No if indicated on Essential Energy Standard Drawings. Otherwise left blank 


• Construction Status - Indicate for all constructions: Install, Add, Existing, Erect, Relocate or Recover 

• Lantern type - Indicate HPS, MV or Flood Lights, Wattages & PE Cell arrangements 

• Construction Types - Include all equipment types: columns & heights, anchors & spigots , brackets and all Asset Labels 

• Other relevant details - As Required 

• Tariff - Include Tariff code (Refer to CEOP1023 – Public Lighting: Management Plan). 

STREETLIGHT CONSTRUCTION SCHEDULE Example 

Asset Label 

Standard Assembly 

Drawing No No. 


Tariff 

CE19772 - CE19773 7206.10 INSTALL STANDARD 7.5m x 3m CURVED SINGLE OUTREACH RATE 2 

7206.05 80W MV LANTERN 

CE19774 - CE19777 7206.10 INSTALL PRESTIGE 4.5m 'NOSTALGIA' COLUMN ( STYLE 2 ) RATE 2 

7206.05 WITH 80W MV LANTERN 


only. 



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ATTACHMENT F – ELECTRICAL SYMBOLOGY: OVERHEAD AND 

UNDERGROUND 

Table F1: Symbols for Overhead and Underground 



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ATTACHMENT F – ELECTRICAL SYMBOLOGY: SWITCHES 

Table F2: Symbols for Switches 



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ATTACHMENT F – ELECTRICAL SYMBOLOGY: SCHEMATICS 

Table F3: Symbols for Schematic Diagrams 



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Operational Manual – Network Services: Design Construction Drawings 

CEOM7001 

ATTACHMENT G – ELECTRICAL SYMBOLOGY: TYPICAL SCHEMATIC DIAGRAMS 

Table G1: Typical Schematic Diagrams 



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ATTACHMENT H – SYMBOLOGY: CADASTRE, TOPOGRAPHIC & 

MISCELLANEOUS 

Table H1: Symbols for Cadastre, Topographic and other Miscellaneous Uses 



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ATTACHMENT I – LINE STYLES: ELECTRICAL AND OTHER UTILITIES 

Table I1: Line Styles for Electricity Cables and Other Utilities 



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ATTACHMENT I – LINE STYLES: CADASTRE AND TOPOGRAPHIC 

Table I2: Line Styles for Cadastre and Topographic Features 



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Level 1 

Level 2 

Level 3 

Level 4 

Level 5 

Level 6 

Level 7 

Level 8 

Level 9 

Level 10 

Level 11 

Level 12 

Level 13 

Level 14 

Level 15 

Level 16 

Level 17 

Level 18 

Level 19 

Level 20 

Level 21 

Level 22 

Level 23 

Level 24 

Level 25 

Level 26 

Level 27 

Level 28 

Level 29 

Level 30 

Level 31 

Level 32 

Level 33 

Level 34 

Level 35 

Level 36 

Level 37 

Level 38 

Level 39 

Level 40 

Level 41 

Level 42 

Level 43 

Level 44 

Level 45 

Level 46 

Level 47 

Level 48 

Level 49 

Level 50 

Level 51 

Level 52 

Level 53 

Level 54 

Level 55 

Level 56 

Level 57 

Level 58 

Level 59 

Level 60 

Level 61 

Level 62 

Level 63 

ATTACHMENT J – CAD LEVELS 

This table may be beneficial for the purpose of information exchange. Construction Plans 

produced by Essential Energy internal design staff and data supplied by Essential Energy 

should conform to the following structure. 

Design Drawing Construction Lines 

Cable/Conductor EE Owned 19.1kV SWER 


Cable/Conductor EE Owned LV 

Cable/Conductor EE Owned 11kV 

Cable/Conductor EE Owned 110kV & 330kV 


Cable/Conductor EE Owned 6.6kV 

Cable/Conductor Owner Not EE 

General Text, Dimensions, Annotations & Reference Notes 

Poles - EE Owned & Non-Private 

Poles Annotation 

Poles - Private 


Stays - Guys & Catenary 

Regulator, Capacitor & Reactor Sites 

SWER Isolating & Step Up/Down Substation Sites, Annotation for Regulators & Capacitors 

Substations Sites, Annotation for SWER Isolators & Step Up/Down Substation & Reactors 

Metering Units, Earth Points, Annotation for Pole and Ground Substation Sites 

LV Switches & Annotation for Metering Units 

LV Switches Annotation 

HV Switches 

HV Switches Annotation 

Sub Transmission Switches 

Sub transmission Switches Annotation 



Earth Wires 

EE Reimbursement Scheme 

Streetlight - EE Owned Cables/Conductor, Luminaries, Nightwatch, Controls & Annotation 

EE Service Points 

Unallocated 


URD Cubicles & Pits 

URD Cubicle Annotations 

Sites for Recloser, Sectionaliser, Line Fault Indicators 

Annotation for Recloser, Sectionaliser, Line Fault Indicators 

Unallocated 

EE FSC Area Boundaries 

Misc Cadastre and Topographic Features 

Unallocated 

Trees 

EE Conduits 

EE Environmental Area 

EE Text 

EE Labels 

EE Estate Boundaries 

Easements 

Easements - EE 

EE Maintenance Areas 

Railway Features 

Water Feature Annotations 

Land Parcel Annotation - Lot & DP No 

Land Parcels - LIC & EE 

Unallocated 

Unallocated 

Road Feature Annotation 

Road and Road Feature 

Schematics Symbols, Annotation & Line work 

LIC Suburb Boundaries 

Water Features 

LIC Tile Boundaries 

Zone Substations 



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ATTACHMENT K – TITLE BLOCK 

Example 1: Title Block 

Example 2: Amendment 



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ATTACHMENT L – CONSTRUCTION DRAWING EXAMPLES 

The following pages show 4 sample constructi on drawings. Please contact Essential Energy 

if you wish to have these supplied in other formats. 

(Note: The rest of this page is intentionally blank) 



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ATTACHMENT L – CONSTRUCTION DRAWING EXAMPLES: SMALL RURAL (A3 SIZE) 

SAMPLE PLAN 1: SMALL RURAL (A3 SIZE) 



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ATTACHMENT L – CONSTRUCTION DRAWING EXAMPLES: LARGE RURAL (A1 SIZE) 

SAMPLE PLAN 2: LARGE RURAL (A1 SIZE) 



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SAMPLE PLAN 3: URD (A1 SIZE) 

ATTACHMENT L – CONSTRUCTION DRAWING EXAMPLES: URD (A1 SIZE) 



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ATTACHMENT L – CONSTRUCTION DRAWING EXAMPLES: COMMERCIAL (A1 SIZE) 

SAMPLE PLAN 4: COMMERCIAL (A1 SIZE) 



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8 REFERENCES 

CECM1000.90 – SSHE Manual Handbook 

CEOM7201.15 - Electricity Cable Danger Sign 

CEOP1023 – Public Lighting: Management Plan 

CEOP8042 – Networks: Asset Identification & Operational Labels 

CEPG8003 - Subtransmission and Distribution Network Planning Criteria and Guidelines 

9 REVISIONS 

Issue 

Number 

2 

Section 

Attachments 

1 

3 

4 

5.5 

5.6 

5.9 

6.6 

6.7 

6.8.2 

8 

Details of Changes in this Revision 

References within document checked & corrected. 

Wording revised 

Wording revised 

Added reference to CEPG8003 

Wording Revised and PDF added 

File naming convention made more general. 

Design deviations to b e approved during construction and submitted 

on the “as constructed” plan upon completion of works. 

Wording about text styles revised. 

Revised and reworded 

LV Schematic wording revised to exclude Voltage Dro p shown at 

extremities. 

Added reference to CEPG8003 

3 All Sections Update template & references in line with Essential Energy branding 



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Network Services: Design Construction Drawings - Essential Energy

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