Retail

Construction

Standard

ELECTRICAL INSTALLATION IN BUILDINGS

FOR

RETAIL SERVICE STATIONS

Engen Petroleum Limited

Revision 8

June 2008

RETAIL BUILDING ELECTRICAL STANDARD

Revision 8 June 2008

This Standard w as compiled for ENGEN Petroleum Ltd: by

De Villiers & Khan Inc.

207 Broad Road Medicentre

Broad Road

WYNBERG (CAPE) 7800

South Africa

Telephone: + 27-21-7620153

Facsimile: + 27-21-7620169

Cell: 083-4555787

e-mail: off ice@devkhan.co.za

All inquiries about the contents or the applicat ion of this Specif icat ion must be directed

to the above off ice, for the attention of Willem de Villiers or Yusuf Khan.

THIS DOCUMENT MAY NOT BE MODIFIED WITHOUT THE PERMISSION OF THE ENGEN

RETAIL ENGINEERING MANAGER.

SPECIFIC ATTENTION IS DRAWN TO THE COMMENT REGARDING THE GENERAL

NATURE OF THE DOCUMENT IN PART 2.

COPYRIGHT

The copyright for this standard resides w ith Engen Petroleum Limited or companies

aff iliated thereto and may not be copied or distributed in any form w ithout the w rit ten

approval of the Engen Retail Engineering Manager.

RETAIL BUILDING ELECTRICAL STANDARD

Revision 8 June 2008

CONTENTS

PART DESCRIPTION

1.0 GENERAL

2.0 DESIGN

3.0 LIGHTING, POWER AND TELEPHONE INSTALLATION

4.0 CABLE INSTALLATION

5.0 DISTRIBUTION BOARDS

6.0 ATTACHMENTS

RETAIL BUILDING ELECTRICAL STANDARD

PART 1:GENERAL

Revision 8 June 2008

1

PART 1

GENERAL

1.0 SCOPE

This specif icat ion covers the supply, installat ion, test ing, commissioning and hand-over

of the building and site (including the forecourt canopy) electrical, data and

telecommunication installat ions of ENGEN Petroleum Limited service stat ions. The scope

of work shall be as follows (Only main items are described, but the contractor shall

provide all materials, equipment and services to ensure a complete working installat ion):

Power connection to site and arrangements w ith the supply authority.

All distribut ion boards, meter panels and data/telephone panels, but excluding the

forecourt DB-F.(NOTE: The emergency stops, f ire man' s sw itches, photocell and

exterior light ing (including the under-canopy light ing and signage) on the building are

part of the Contractor' s responsibility and are connected to DB-F). DB-F and its

associated circuits external to the building w ill unless otherw ise indicated, be the

responsibility of the Electrical Contractor w ho is subcontracted to the pump and

tank contractor.

The above distribut ion boards include a mini-DB for the automation system DB-AUT

as indicated on the single line diagrams and located in the automation equipment

area.

All connections to signage.

The surge protect ion elements that are indicated on the draw ings in DB-M and

connected to the earthing system.

Power distribut ion cabling and w iring in or on the building, including the connection to

DB-F.

Power outlet equipment such as socket outlets and sw itches as well as light ing

outlets and luminaires internally to the building and on the building but not in or on

the canopy or feeder section or the site.

Conduits and sleeves for the Telephone and Data installat ions.

Cabling for the data installat ion inside the building.

Earthing for the installat ion as well as lightning protect ion if required. The

requirements of SANS 10142 must be complied w ith and the automation system

earthing must be provided as per the draw ings and to the automation suppliers

approval.

Sound system where required.

All checklists and as-built documentation w hich shall include a valid cert if icate of

compliance in terms of the OHS Act.

The follow ing is specif ically excluded from the Contractors scope of supply (unless

specif ied or indicated to the contrary):

Cabling and connections to the outside light ing, dispensers and submersibles (see

note above re DB-F).

UPS equipment.

RETAIL BUILDING ELECTRICAL STANDARD

PART 1:GENERAL

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2

Signage f it t ings.

Air condit ioning equipment.

Appliances such as Freezers, Kitchen equipment.

Emergency generator for the site w here required.

2.0 DAMAGE TO OTHER SERVICES

The Contractor w ill be fully responsible and held accountable for damage to other

services caused by any person direct ly or indirect ly in his employ.

Other building services w ill be carried out simultaneously w ith the work for which the

Contractor w ill be responsible. It shall be required of the Contractor that he w orks in

close liaison w ith other contractors on the site in order to prevent damage and abort ive

work.

3.0 COMPLETION

At the complet ion of the contract the Contractor shall provide ENGEN w ith a complete

set of as built documentat ion ref lect ing the f inal state of the electrical installat ion.

The follow ing shall be included as a minimum:

Layout draw ings indicat ing all equipment and circuit references.

Schematic circuit diagrams, show ing colour coding, w ire numbers and terminal

numbers.

The test sheets as specif ied.

A cert if icate of compliance. If there is no design engineer responsible for the specif ic

site, the installat ion shall be taken to be the design and supply responsibility of the

contractor who shall make the necessary arrangements to satisfy the section 5.1

design requirements of the cert if icate of compliance.

Check lists.

Technical information of the equipment supplied and maintenance instruct ions.

The draw ings shall be of good quality for reproducing purposes and tw o paper copies of

each draw ing shall be provided.

Two copies of all other documentation shall be provided.

4.0 STANDARDS AND SPECIFICATIONS

4.1 All equipment and material used in the electrical installat ion shall have the required

statutory approval in terms of the OHS Act 85/1993 and shall comply w ith the relevant

SANS specif icat ions (including but not limited to SANS 10142) and shall bear the SABS

mark or an alternative acceptable mark scheme such as VDE or BS.

RETAIL BUILDING ELECTRICAL STANDARD

PART 1:GENERAL

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3

4.2 Equipment and materials shall in all cases be new and be used and installed in

accordance with the equipment manufacturers recommendations.

4.3 Equipment and materials purchased by the Contractor whether they bear the SABS mark

or not, are subject to prior approval by ENGEN.

4.4 The nature, design, erection and workmanship of the installation shall comply with the

latest edition of the South African Occupational Health and Safety Act 85/1993 and the

regulations contained therein and the requirements of this specification and drawings.

Specif ic reference shall also be made to SANS 10142: Code of Practice for the Wiring of

Premises. The installat ion shall also comply fully w ith the requirements of the local

authorit ies of the region or the country in w hich the work is undertaken.

4.5 Workmanship shall be of a high standard, and qualif ied staff under proper supervision of

competent and experienced supervisors shall carry out the w ork.

4.6 Where any details regarding method, workmanship and materials are not clear the matter

shall be referred to the equipment supplier and ENGEN for clarif icat ion.

5.0 POWER SUPPLY

5.1 Unless otherw ise stated the electrical system w ill be nominally 400/230 volt , 3 phase, 4

w ire, 50 Hz alternating current, rated as per Part 2.

5.2 Variat ions in supply voltage w ill be generally be in the range of 85% to 110% of nominal

and all equipment shall be suitable for operation at any voltage w ithin this range, as well

as w ith the surges and interruptions associated w ith the national netw ork and that

caused by standby generating plant. Care shall be taken to ensure that the installat ion is

suitable for local voltage and frequency variat ions that fall outside the above range. The

contractor shall make sure that he is fully conversant w ith such local condit ions.

5.3 The installat ion shall be suitable for a standby generator if so indicated on the draw ings.

The generator shall provide power to the system w hen the mains voltage falls outside the

allowable pre-set range described in 5.2 above

RETAIL BUILDING ELECTRICAL STANDARD

PART 2: DESIGN

Revision 8 June 2008

1

PART 2

DESIGN

1.0 GENERAL

This Part defines guidelines w ith regard to specif ic service stat ion related requirements

that shall be incorporated in the service stat ion electrical installat ion.

The information provided in this document and on typical draw ings shall be adapted t o

suit the requirements of the specif ic installat ion. Where specif ic project related

information is not provided the contractor shall interpret the requirements of this

document and apply the same to provide a ' design and build' installat ion. In such cases

The Retail Engineering Manager' s approval shall be obtained fo