Temporary Site Electrical Installations

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No. 55 Rev 04
Page 1 of 2
Standard Risk Control Arrangements
Temporary on Site Electrical Installations
Training and Capability
A. All those working on electrical installations shall be qualified and competent to do so (NICEIC/
ECA/SELECT)
B. All personnel involved in work on a project where asbestos could potentially exist, or who may
influence how work is carried out, must have undergone asbestos awareness training in the last twelve
months, through a provider as detailed in the Management of Asbestos Work Instruction (SS-WI-11)
Control Arrangements
General
C. A Risk Assessment and Method Statement must be prepared and submitted to the Site Manager before
any work commences. These must be both site and task specific and include methods of protection
from contact with ‘live’ conductors
D. Risk Assessments and Method Statements must be assessed for adequacy before work commences
(SM-FM-46). If necessary assistance may be sought from specialist Consultants in this assessment
process
E. No work to be carried out on Energised or live circuits
F. All work must be carried out in dry conditions
G. Only CO2 or dry powder extinguishers to be available near any work involving electrical installations
H. All circuits must be clearly identified on switches and distribution boards
I. Where the work involves connections into existing switch gear/’live’ apparatus the SRCA 33 must be
referred to
J. Temporary electrical cabinets must be kept locked at all times and when required only accessed by
authorised persons.
K. Subcontractors must be responsible for the management and supervision of the loading/unloading of
their materials from vehicles.
L. Loading and/or off-loading of lorries will be undertaken in accordance with the Balfour Beatty
guidance document BB-WI-05.
Connection of Temporary Site Accommodation
M. External cabling shall be armoured
N. The connection and the entire installation shall be inspected and tested in accordance with IEE Wiring
Regulations upon installation and every 3 months thereafter
A Balfour Beatty Company © Mansell

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Standard Risk Control Arrangements
O. An appointed person must inspect the installation prior to the temporary electrics going live
P. An inspection certificate must be requested for any test or inspection works carried out
No. 55 Rev 04
Page 2 of 2
Q. The electrical distribution equipment and cabling within the site cabins must be formally inspected and
tested in accordance with IEE Wiring Regulations every 12 months
On Site Distribution of Electrics
R. 240V (and higher) temporary distribution cabling will only be carried out by those qualified and
competent to do so (NICEIC/ECA/SELECT)
S. 240V (and higher) cabling shall be armoured
T. All cables must be in good order, supported adequately, have correct bending radii and be clear of
sharp objects
U. Cables must be run in such a manner as to reduce the risk of creating a trip or overhead hazard
V. The connection and the entire distribution network shall be inspected and tested in accordance with
IEE Wiring Regulations every 3 months
W. Where cables risk being damaged such as where there is heavy pedestrian or vehicular traffic they
must be adequately protected by mechanical barriers
X. Overhead cables must be adequately identified
Other Local Control Arrangements
A Balfour Beatty Company © Mansell