Underground Cable Installation Manual

Network Standard NS 14.2-2003

Underground Cable Installation Manual

Part II – Technical Requirements

December 2010

For application to Western Power’s Distribution Network

Revision B

Revision No.

Issue Date

Description of Amendment

Endorsed By

Approved By

Original

April 2006

Issued on the Web

NA

NA

A

April 2007

Incorporating additional requirements and UDS drawings.(DMS#3399230)

Robert Rogerson

Mark Wilshusen

B

December 2010

Added cable ploughing as an approved cable installation method for underground cables

Robert Rogerson

Gavin Forest

Manual prepared by:

Western Power

ABN 18540492861

Distribution Standards and Policy

Asset Management

85 Prinsep Road

Jandakot WA 6164

Prepared by:

Reviewed by:

Approved by:

Kwok Ng

Robert Rogerson

Gavin Forest

© Copyright of Western Power

Any use of this material except in accordance with a written agreement with Western Power is prohibited. April 2007

April 2007

Underground Cable Installation Manual Part II Network Standard NS 14.2-2003 April 2007

Table of contents

1 PURPOSE.........................................................................................................................1

2 APPLICATION..................................................................................................................1

3 GENERAL.........................................................................................................................1

3.1 DEFINITIONS............................................................................................................................1

3.2 RELATED INFORMATION..........................................................................................................4

4 GENERAL UNDERGROUND INSTALLATION REQUIREMENTS...................................5

4.1 GENERAL.................................................................................................................................5

4.2 SAFETY IN PITS AND TRENCHES..............................................................................................5

4.3 WORKING IN THE PROXIMITY OF OVERHEAD POWER LINES AND INFRASTRUCTURE.............6

4.4 WORKING IN THE VICINITY OF TRAFFIC..................................................................................6

5 WORK PLANNING............................................................................................................6

5.1 RESPONSIBILITIES....................................................................................................................6

5.2 PLANNING AND RISK ASSESSMENT.........................................................................................6

5.3 NOTIFICATION OF PROPOSED WORKS......................................................................................7

5.4 PARTICULAR REQUIREMENTS RELATING TO CBDWORK......................................................7

6 SURVEYING AND ‘AS CONSTRUCTED’ RECORDS.....................................................7

6.1 SURVEY BENCHMARKS AND DATUM POINTS..........................................................................7

6.2 AS CONSTRUCTED RECORDS...................................................................................................8

7 ENVIRONMENTAL AND ABORIGINAL CONSIDERATIONS..........................................8

7.1 ENVIRONMENTAL AND ABORIGINAL ISSUES...........................................................................8

8 CROSSINGS.....................................................................................................................9

8.1 RAILWAY.................................................................................................................................9

8.1.1 Installation of Ducts and Cables.....................................................................................9

8.1.2 Installation of Markers....................................................................................................9

8.1.3 Installation of power cables under tracks and elsewhere on railway property............10

8.2 PIPES OR CABLES...................................................................................................................10

8.2.1 Existing Pipes or Cables...............................................................................................10

8.3 GAS MAINS............................................................................................................................11