CSA C22.3 No. 7 : 2015

Withdrawn

View Superseded by

UNDERGROUND SYSTEMS

Available format(s)

Hardcopy , PDF

Withdrawn date

26-05-2020

Language(s)

English

Published date

01-01-2015

Publisher

Canadian Standards Association

Preface
1 Scope
2 Reference publications
3 Definitions
4 General requirements
5 Depth of burial
6 Separations
7 Construction of direct-buried systems
8 Construction of duct banks
9 Construction of subsurface chambers and subsurface boxes
10 Above-ground equipment
11 Installations on railway rights-of-way
12 Submarine cable installations
13 Transmission cable installations
14 Electrical requirements
15 Grounding and bonding
16 Records and identification of underground plant
Annex A (informative) - Commentary
Annex B (informative) - Typical street location of various
services
Annex C (informative) - Surface channel systems
Annex D (informative) - Communication cables, supply cables,
and gas distribution in a common trench
Annex E (informative) - Directional boring
Annex F (informative) - Microtrenching

Pertains to the lines and equipment associated with underground electric supply and communication systems located entirely outside buildings and fenced supply stations.

DocumentType	Standard
Pages	87
PublisherName	Canadian Standards Association
Status	Withdrawn
SupersededBy	CSA C22.3 NO. 7:20
Supersedes	CSA C22.3 No. 7 : 2010 : R2015

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