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M

TCS 061 – 1 – 2014

The Supply

of

ITS Field Cabinets

Version: 2014

Revision: 1

Revision Date : April 2014

VICROADS SPECIFICATION

TCS 061-1-2014

COPYRIGHT

© Road Corporation trading as

VicRoads. All rights reserved.

This document remains the

property of VicRoads. No part

of this document may be

reproduced or copied in any

form or by any means, electronic or mechanical,

including photocopying,

without the written

permission of VicRoads

Foreword

This specification has been developed by VicRoads. It is one of a number

of technical specifications, and associated standard drawings, which set out the requirements for roadside ITS devices, traffic signal equipment and

other electrical equipment and associated devices and control systems.

This specification is intended for use in all relevant works undertaken by or

on behalf of VicRoads.

VicRoads Standard Drawings, Specifications and Guidelines are available for downloading from VicRoads website at the following address under

‘Tenders & Suppliers’, http://www.vicroads.vic.gov.au/itsspecs

Specification updates. VicRoads specifications and associated standard

drawings are subject to periodic review. To keep the specifications up to

date, amendments or new editions are issued as necessary. It is therefore

important for users of VicRoads specifications to ensure that they have the latest version and associated amendments.

Road Operations

60 Denmark Street Kew 3101

Phone: (03) 9854 2103 Fax: (03) 9854 2319

Revision History

Revision Date Prepared by Approved by

A (original) April 2014 E. Lee S Purtill

Road Operations TCS 061-1-2014

© Roads Corporation trading as VicRoads. All rights reserved. of 30

PREFACE

A. CHANGES TO THIS SPECIFICATION

A.1 The main changes to this specification from the previous version are listed

below:

• Modification of headings and reorganisation of sections for greater

consistency with Australian Standard;

• The following table details revisions to this specification:

Revision Date Revision Owner Purpose of Revision

April 2008 VicRoads FMS Developed for M1 Project - FMS

May 2008 VicRoads ITS In review for M1 Project - FMS

June 2008 VicRoads FMS In review for M1 Project - FMS

November 2008 VicRoads FMS Altered locking and colour requirements

January 2009 VicRoads FMS Altered locking requirements - removed specific requirement for Euro Half Profile

Cylinder type

March 2009 VicRoads FMS clarified locking and key requirements regarding provision of Bi-Lock system

Modified min and max dimensions for pole mounted cabinets in section A.4

May 2011 VicRoads M80 project group

Clarified requirements for gland plate

Altered door stay requirements to be self

latching.

Added enclosure lights

Mounting Cabinet Location clarified

Feb 2014 ITS & Electrical Standards

Converted to TCS format

Inclusion of Appendix B


of 30 © Roads Corporation trading as VicRoads. All rights reserved.

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Contents

SECTION 1 SCOPE AND GENERAL ....................................................... 7

1.1 SCOPE ........................................................................................................7

1.2 GENERAL ..................................................................................................7

SECTION 2 RELATED SPECIFICATIONS AND DRAWINGS ............... 8

SECTION 3 ACRONYMS .......................................................................... 9

3.1 ACRONYMS ...............................................................................................9

SECTION 4 MECHANICAL AND PHYSICAL REQUIREMENTS ........ 10

4.1 CABINET DESIGN AND CONSTRUCTION ............................................. 10

4.2 MATERIALS ............................................................................................ 10

4.3 DIMENSIONS ........................................................................................... 11

4.4 DOORS ..................................................................................................... 11

4.5 PLINTH .................................................................................................... 12

4.6 GLAND PLATE ........................................................................................ 12

4.7 RIGIDITY ................................................................................................. 12

4.8 FRANGIBILITY ........................................................................................ 12

4.9 MOUNTING.............................................................................................. 13

4.10 VENTILATION ......................................................................................... 13

4.11 RESISTANCE TO WEATHER ................................................................... 14

4.12 EXTERIOR FINISH................................................................................... 14

4.13 CABINET LIGHTS.................................................................................... 14

4.14 LIFTING BOLTS ....................................................................................... 14

4.15 MARKINGS .............................................................................................. 15

SECTION 5 FOUNDATION ..................................................................... 16

5.1 MOUNTING.............................................................................................. 16

SECTION 6 ELECTRICAL REQUIREMENTS ...................................... 17

6.1 ELECTRICAL SAFETY ............................................................................ 17

6.1.1 Danger Sign ........................................................................................... 17

6.1.2 Compliance ............................................................................................ 17

6.2 SWITCHBOARD ....................................................................................... 17

6.3 POWER OUTLET PANELS ....................................................................... 18

6.4 TRANSIENT AND OVERVOLTAGE PROTECTION ................................ 18

6.5 SURGE DIVERTER .................................................................................. 19

6.6 SURGE FILTER ........................................................................................ 19

SECTION 7 INTERNAL EQUIPMENT MOUNTING ............................. 21

7.1 INTERNAL MOUNTING SYSTEM ........................................................... 21

7.2 INTERNAL SHELVES .............................................................................. 21

7.3 MOUNTING MISCELLANEOUS EQUIPMENT ........................................ 21

7.4 CABLE MANAGMENT ............................................................................ 22

SECTION 8 MAINTAINABILITY ........................................................... 23

8.1 TOOLS ...................................................................................................... 23



8.2 ACCESSIBILITY ...................................................................................... 23

SECTION 9 DOCUMENTATION ............................................................ 24

9.1 GENERAL ................................................................................................ 24

9.2 INSTALLATION RECORDS ..................................................................... 24

APPENDIX A POST MOUNTED CABINET ........................................... 25

A.1 GENERAL ................................................................................................ 25

A.2 DESIGN AND CONSTRUCTION .............................................................. 25

A2.1 Resistance to Weather ............................................................................ 25

A2.2 Exterior Finish ....................................................................................... 25

A.3 DOOR ....................................................................................................... 26

A.4 DOCUMENT STORAGE ........................................................................... 26

A.5 DIMENSIONS ........................................................................................... 26

A.6 PROVISION OF CONDUIT ENTRY .......................................................... 26

A.7 POLE MOUNTING ................................................................................... 26

A.8 INTERNAL MOUNTING SYSTEM ........................................................... 27

A.9 ELECTRICAL REQUIREMENTS .............................................................. 27

A.9.1 Danger Sign ........................................................................................... 27

A.9.2 Compliance ............................................................................................ 27

A.9.3 Power Distribution ................................................................................. 27

A.9.4 Outlets ................................................................................................... 27

A.10 DOCUMENTATION ................................................................................. 28

APPENDIX B FOUNDATION DETAILS ................................................ 29

B1 CONCRETE BASE FOUNDATION ............................................................... 29

B2 CONDUIT AND CABLE ENTRY .................................................................. 30



SECTION 1 SCOPE AND GENERAL

1.1 SCOPE

1.1.1 This document specifies the requirements for the supply of ITS Field Cabinets

for use by VicRoads within the state of Victoria.

1.2 GENERAL

1.2.1 ITS Field Cabinets are used for housing ITS electrical, electronic and

communication equipment typically associated with freeway management systems.

1.2.2 Typical devices housed with a cabinet would include such things as:

• Ramp Signal Controllers;

• STREAMS Field Processors;

• Sign controllers; and

• Communications network equipment.

1.2.3 This specification also defines basic attributes of a small pole mounted cabinet for use where a large 19-inch rack cabinet would be unwarranted. The

requirements for small pole mounted cabinets are specified in Appendix A.

1.2.4 It is intended that cabinets from different manufacturers will be physically interchangeable.



SECTION 2 RELATED SPECIFICATIONS AND

DRAWINGS

2.1 The fabrication and supply of all components shall conform to all relevant

Australian Standards.

2.2 All installation works shall conform to the relevant VicRoads specifications and

related specifications and standards as indicated throughout this document.

2.3 Where no specific reference is made to an Australian Standard, the materials and

processes used shall conform to the relevant Australian Standard or generally accepted practice.

2.4 The following related Australian Standards are referenced:

AS 62208 Empty enclosures for low-voltage switchgear and control

gear assemblies – General requirements

AS 60529 Classification of degree of protection provided by enclosures for electrical equipment

AS/NZS 1768 Lightning Protection

AS 2700 Colour standards for general purposes

AS/NZS 3000 Wiring Rules

AS/NZS 3100 Approval and test specification for definitions and general requirements for electrical materials and equipment

AS/NZS3085.1

AS/ACIF

S008:2006

AS/ACIF

S009:2006

Telecommunications installations – Administration of

communications cabling systems – Basic requirements

Requirements for customer cabling product

Installation requirements for customer cabling (Wiring

Rules)

2.5 The following VicRoads standard drawings are referenced:

TC 2100 Standard Cabinet Label



SECTION 3 ACRONYMS

3.1 ACRONYMS

The acronyms used in this document shall be interpreted as follows:

AS Australian Standard

DIN Deutsche Industrie Norm

FMS Freeway Management System IP Ingress Protection

ITS Intelligent Transport Systems

LED Light Emitting Diode

MCW Monash – Citylink – West Gate Upgrade MOV Metal Oxide Varistor

MTBF Mean Time Between Failures

NAP Network Asset and Planning NATA National Association of Testing Authorities

RU

ACIF

Rack Unit (unit of height 1.RU = 1.75” or 44.45mm)

Australian Communications Industry Forum



SECTION 4 MECHANICAL AND PHYSICAL

REQUIREMENTS

4.1 CABINET DESIGN AND CONSTRUCTION

4.1.1 The cabinet shall be of rigid construction using methods and materials which

ensure that it will have the strength and durability necessary to withstand normal

conditions of transportation, installation and operation anywhere within the State of Victoria for duration of not less than 20 years.

4.1.2 The interior and exterior of the cabinet shall be free from sharp corners and

projections that may cause injury.

4.1.3 All exterior corners of the cabinet and roof shall have a minimum external radius

of 3mm. All accessible edges shall be de-burred.

4.1.4 The exterior of the cabinet shall present a clean and attractive appearance and be

free from fasteners such as bolts, screws and pop-rivets.

4.1.5 This life duration of 20 years does not include cabinet electrical components

such as fans or cabinet components requiring routine maintenance/replacement

such as dust filters.

4.2 MATERIALS

4.2.1 The type, grade, thickness and surface treatment of the principal material utilised in the construction of the cabinet and its plinth shall be appropriate for a

minimum in-field life of 20 years as described in Section 4.1 of this

specification.

4.2.2 The cabinet external wall shall be of sufficient thickness to provide adequate

strength against vandalism and minor impacts from motor vehicles. The materials and thicknesses used in the construction of the cabinet shall be

• 2.0mm marine grade aluminium; or

• 1.5mm stainless steel (Grade 316).

4.2.3 Appropriate materials, fixing methods and/or surface treatments shall be utilised in the construction of the cabinet and plinth to prevent galvanic and

environmental corrosion of the cabinet and its plinth.

4.2.4 Reinforcing shall be provided as necessary to produce a rigid structure.

4.2.5 Any jointing shall be carried out in accordance with any relevant Australian Standards and generally accepted principles of sound practice



4.3 DIMENSIONS

4.3.1 The cabinet shall provide an internal racking system to suit 19-inch rack

mountable equipment. The 19-inch racking system shall also support modular

shelves (included as necessary for the specific installation). More detail on these

mounting requirements is given in section 6 of this specification.

4.3.2 The dimensions of the cabinet shall conform to the following:

Description Minimum dimension Maximum

dimension

19-inch Racking Chassis Height 30.RU (≈ 1333.5mm) –

Overall Internal Height of Cabinet 1400mm 1600mm

Overall Internal Width of Cabinet – 800mm

Overall Internal Depth of Cabinet 550mm 700mm

19-inch Racking Chassis Depth 480mm –

Internal Depth of Cabinet with Doors Closed 580mm –

External Depth of Cabinet with Doors Closed 600mm 750mm

Cabinet Base / Cable Zone 100mm –

Gland Plate Aperture 250mm x 400mm –

Note. RU = 1.75in or 44.45mm

Table 1 – Cabinet Dimensions

4.3.3 A clearance of at least 50mm shall be provided between the inner surfaces of the

front and rear doors when in the closed position and the 19-inch equipment

mounting surface of the vertical racking rails.

4.4 DOORS

4.4.1 Doors shall be provided at the front and rear and one side of the cabinet to give direct access to all internal equipment for installation and maintenance purposes.

The size of the door openings shall be as close as practicable to the external

dimensions of the larger side of the cabinet, consistent with mechanical strength requirements.

4.4.2 Both doors shall be individually lockable and secured in the closed position by

way of a multipoint securing system actuated via a single keyed lock. The lock shall be the standard VicRoads Bi-Lock type with interchangeable cylinder. The

keying shall be set to match a standard VicRoads cabinet key code which shall be

provided to the Contractor upon award of the contract.

4.4.3 When installed, the cabinet shall be oriented such the doors are parallel to the

road when in the closed position and the side door is the furthest from oncoming

traffic.

4.4.4 Each door shall be stiffened and shall be hinged with a minimum of two hinges.

Hinge pins shall be constructed of materials of a type that do not require lubrication to prevent seizing. Hinge pins shall not be removable. Hinges shall



not protrude beyond the overall outside cabinet dimensions and that they be

concealed.

4.4.5 All doors shall be capable of being opened through a minimum of 110 degrees

from their closed position. Both doors shall be provided with a self latching door

stay.

4.4.6 A flat braided copper conductor of 6mm2 minimum shall be fitted in the vicinity

of the lower hinge to provide earthing of the door in accordance with AS 3000.

4.4.7 A pocket shall be provided on the inside of all doors to provide space for the

storage of items such as service cards and circuit diagrams. These storage pockets shall have the minimum dimensions of 220 mm high x 300 mm wide x

20 mm deep and shall be provided with a finger slot or other suitable means to

facilitate removal of documents.

4.4.8 Both doors shall be provided with a serviceable, durable and resilient

weatherproof seal designed to last at least for the 20 year design life of the

cabinet. The seal shall ensure that the cabinet’s overall environmental IP rating is maintained when the door is closed and locked.

4.5 PLINTH

4.5.1 The cabinet’s plinth shall provide a frangible connection to the concrete base.

4.5.2 The plinth shall allow for the provision for conduit entry as detailed above.

4.6 GLAND PLATE

4.6.1 The cabinet shall include a gland plate. The gland plate shall be easily removable for cable installation and glanding.

4.7 RIGIDITY

4.7.1 The top of the cabinet when mounted on the footing shall not deflect more than

10 mm when a force of 2kN is applied at the top of the cabinet in any direction.

Furthermore, the mounting shall be sufficiently robust to withstand vandalism or minor impact from a motor vehicle.

4.8 FRANGIBILITY

4.8.1 The cabinet shall be fastened to the securing bolts by means of frangible plates or

fittings so that, in the event of a severe impact (such as from an errant motor

vehicle) the cabinet will be dislodged from its mountings without damage to the mounting bolts.



4.9 MOUNTING

4.9.1 The cabinet shall include four holes for mounting onto a concrete foundation.

4.9.2 Attachment to the foundation will be by either a rag bolt installed within the

foundation or bolted down with loxons.

4.9.3 The mounting holes shall comply with the dimension detailed in Figure 1.

4.9.4 The holes shall provide oversize clearance for a 12mm mounting stud and

suitable for the frangible plates or fittings detailed in Section 4.8.

Figure 1: Mounting dimensions for cabinets

4.9.5 Sufficient access shall be provided to the securing bolts to facilitate ease of installation and removal of the cabinet and plinth from the base.

4.10 VENTILATION

4.10.1 Adequate ventilation shall be provided to prevent condensation and temperature

rise inside the cabinet under all weather conditions.

4.10.2 Ventilation shall be provided near the top (between the roof and the body

section) and near the base.

4.10.3 All ventilation openings shall be designed to prevent the ingress of dust and insects, by the provision of a suitable filtering medium or other effective means.

Front of cabinet

320±1mm

476±1mm

Conduits for cable

entry shall be within

the area shown

Holes for studs



If stand-offs are used on modular parts of the cabinet, these shall be of non-

corrosive material to prevent environmental corrosion of the stand-off and cabinet, and shall be sealed to prevent ingress of water.

4.11 RESISTANCE TO WEATHER

4.11.1 The cabinet shall comply with the requirements for IP55 as specified in AS

60529.

4.11.2 The roof of the cabinet shall be designed to prevent the pooling of water.

4.11.3 The cabinet base shall be sealed to prevent the ingress of vermin or moisture.

4.12 EXTERIOR FINISH

4.12.1 The finished colour of the cabinet shall be Vicroads standard traffic signal controller colour (Smoke-Blue T-33).

4.12.2 All exterior surfaces of the cabinet shall have a durable gloss finish. This finish

shall be non-sacrificial, anti-graffiti and applied in accordance with the manufacturer directions.

4.13 CABINET LIGHTS

4.13.1 A light for illuminating the interior of the cabinet shall be provided above each

cabinet door.

4.13.2 The lights shall be no more than 1RU in height.

4.13.3 Lights shall use a suitable long lasting globe (eg. fluorescent tube, LEDs)

4.13.4 The lights shall be door activated. When any door is opened, all installed lights

shall be activated.

4.14 LIFTING BOLTS

4.14.1 The cabinet shall be equipped with two a removable eye-bolts to enable it to be safely lifted for transportation and onto the concrete base on-site.

4.14.2 The eye-bolts shall be located on the roof of the cabinet.

4.14.3 Removal of the eye-bolt from its mounting point shall not compromise the IP

rating nor affect the design life.



4.15 MARKINGS

4.15.1 All roadside cabinets shall be marked with an appropriate VicRoads standard

cabinet label in accordance with VicRoads standard drawing number TC2100

displaying associated site numbers.

4.15.2 The cabinet shall carry readily accessible identification markings (by securely

affixed plate or other approved means) which shall include the following

information:

• name and address of the manufacturer;

• batch number of the cabinet;

• serial number of the cabinet;

• month and year of manufacture and

• provision for warning labels and/or plates.

4.15.3 In addition, a suitable label, secured to the inside of the front door, shall be

available for the installing Contractor to annotate the installation date of the cabinet.



SECTION 5 FOUNDATION

5.1 MOUNTING

5.1.1 The assembled cabinet shall be designed to mount on a concrete foundation via

the mounting holes detailed in clause 4.9.

5.1.2 The minimum size of the foundation sufficient access shall be provided to the

securing bolts to facilitate ease of installation and removal of the cabinet and

plinth from the base.

5.1.3 The cabinet shall remain level once mounted on the base.



SECTION 6 ELECTRICAL REQUIREMENTS

6.1 ELECTRICAL SAFETY

6.1.1 Danger Sign

6.1.1.1 A warning sign “DANGER 240 VOLTS” shall be clearly fastened to the inside

of the door, in accordance with AS/NZS 3000 and comply with the following

requirements:

a. For symbolic signs - Sign No A2.7 in Appendix A of AS 1319.

b. For text type signs - Appendix A of AS 1319

6.1.2 Compliance

6.1.2.1 All electrical equipment and associated wiring within the cabinet as supplied

shall comply with the relevant requirements of AS 3100.

6.1.2.2 The electrical design, switchboard and cabling within the cabinet shall comply

with the relevant requirements of AS/NZS 3000.

6.2 SWITCHBOARD

6.2.1 The cabinet shall be supplied with a 19-inch rack mounted modular switchboard of a height no greater than 5RU (222.3mm) and shall have a depth not greater

than half of the cabinet’s internal depth. No part of the switchboard shall be

below the level of the door opening. The switchboard shall be capable of

accepting all of the equipment listed below. The DIN rail shall be TH35 7.5 and a minimum of 400mm in length.

6.2.2 All electrical components shall be suitable for operation on a 230VAC +10% / -6%, 50Hz ±0.1Hz system.

6.2.3 All power supply wiring within the switchboard shall be a minimum of 4mm2

(7/0.85) PVC.

6.2.4 The switchboard shall incorporate the following items rated to the calculated

prospective fault current:

a. 1 x Single pole, DIN rail mount, miniature 250V, 32A, fused mains isolating

switch;; b. 1 x Single pole, DIN rail mount, 250V, suitably sized, miniature circuit

breaker for the surge diverter;

c. Surge diverter and surge filter as per Clause 6.5 and 6.6; d. 1 x 250V, 10A feeding remainder of the switchboard;



e. 2 x 250V, 6A miniature RCBO (Over current with earth leakage) earth

leakage circuit breaker protection for separate cabinet lighting and fan circuits;

f. 2 x 250V, 6A miniature RCBO (Over current with earth leakage) earth

leakage circuit breaker protection (1 per socket outlet strip with a maximum

of 10 socket outlets each); g. Neutral bar and cover (with a capacity suitable for the circuit requirements

of the cabinet); and

h. Earth bar (with a capacity suitable for the circuit requirements of the cabinet).

6.2.5 Each terminal shall be clearly and indelibly identified. The terminal assembly shall be arranged so that:

a. The connecting cables can be formed in a neat manner; and

b. The individual conductors can be connected or disconnected without disturbing other connections.

6.3 POWER OUTLET PANELS

6.3.1 Two power outlet panels shall be installed; one on each side of the cabinet.

These shall be used to supply power to equipment mounted in the cabinet.

6.3.2 Each power outlet panel shall:

a. Be wired to an individual sub-circuit; b. Provide between 5 and 10 socket outlets, arranged to allow plug-pack type

transformers to be installed in all outlets concurrently;

c. Be mounted vertically on the rear side of the rack frame so as not interfere with equipment racking and cabling; and

d. Be easily accessible from both the front and rear of the cabinet.

6.4 TRANSIENT AND OVERVOLTAGE PROTECTION

6.4.1 The cabinet shall incorporate protection against electrical transients and over-

voltage. The installation shall follow the recommended practices for Multiple

Earthed Neutral systems, specified in AS 4070 for protection of low-voltage electrical installations and equipment from transient over-voltages.

6.4.2 The cabinet installation shall follow the general guidelines for the protection of persons and property from hazards arising from exposure to lightning in

accordance with AS 1768.

6.4.3 The switchboard shall also include the necessary devices to protect all equipment

being housed in the cabinet from electrical transients and over-voltage.



6.5 SURGE DIVERTER

6.5.1 A surge diverter shall be supplied and installed in the cabinet switchboard. The

surge diverter shall provide protection against multiple impulses caused by

lightning or other transient disturbances. The surge diverter shall be in

accordance with Australian standard AS 4070 and connected between the following terminals:

a. Phase and neutral; and b. Phase and earth.

6.5.2 The surge diverter shall have a phase-to-neutral single shot 8/20us rating of

80kA and shall be suitably rated to withstand multiple impulses as defined by location category C in AS1768.

6.5.3 The surge protection shall be rated at no less than 40kA for an 8/20us pulse.

6.5.4 The surge protection system shall be internally fused such that they are

disconnected if the unit experiences a surge that exceeds its rating and shall have visual indication of the fuse operation, loss of power, or thermal overload. In the

event of a thermal overload the protection shall remain in circuit.

6.5.5 A voltage free changeover contact (Alarm output) shall be incorporated in the system that shall activate upon any surge protector failure, power failure or

thermal overload condition. The contact shall be isolated to 4kV to all active

circuitry.

6.5.6 The surge diverter shall be rated for a nominal operating voltage of 240V and a

maximum operating voltage of 275V rms. Let through voltage (Residual Voltage) for a 6kV 1.2/50us, 3kA 8/20us impulse shall be less than 900V when

measured at the surge diverter terminals.

6.6 SURGE FILTER

6.6.1 A surge filter shall be supplied and installed on the load side of the surge

diverter, and on the line side of the earth leakage protective devices. The surge

filter shall provide fine protection against multiple impulses caused by lightning or other transient disturbances. The surge filter shall be connected between phase

and neutral in accordance with Australian standard AS 4070.

6.6.2 The surge filter shall have a minimum load current rating of 10A per phase.

6.6.3 The surge filter shall have a single shot 8/20us rating of 16kA per mode and shall be suitably rated to withstand multiple impulses as defined by location category

B in AS1768.

6.6.4 The surge filter shall be based upon Metal Oxide Varistor (MOV) technology. The line side MOVs shall be internally fused such that they are disconnected if

the unit experiences a surge that exceeds its rating.

6.6.5 The surge filter shall have visual tags and LED indicating, “power” and “status”

for each phase. The power LED shall extinguish when power to the unit is lost.



The status visual tags and LEDs shall extinguish when the MOV fuse operates;

when power to the unit is lost; or when the unit experiences a thermal overload. In the event of a thermal overload the protection shall remain in circuit.

6.6.6 The surge filter shall be rated for a nominal operating voltage of 240V and a

maximum operating voltage of 275V rms. Let through voltage for a 6kV 1.2/50us, 3kA 8/20us impulse shall be less than 600V when measured at the

surge filter terminals.



SECTION 7 INTERNAL EQUIPMENT MOUNTING

7.1 INTERNAL MOUNTING SYSTEM

7.1.1 The cabinet shall be supplied with an adjustable internal racking system of

vertical punched rails in each corner to the full height of the cabinet. The racking

system shall be capable of adjustment to accept standard 19-inch (482.6mm) and Euro Metric (535mm) equipment. A minimum equipment mounting depth of

480mm shall be provided between the front and rear vertical racking rails as

shown in table 1 on page 10 of this document.

7.1.2 Two horizontal rails running the full depth of the cabinet shall be fixed to each

side for the sturdy mounting of the vertical rails.

7.1.3 The cabinet internal mounting system shall have provision for mounting

additional side vertical rails for equipment requiring extra support or for

mounting of equipment that does not utilise the 19” mounting system. It shall be possible to mount these additional vertical rails in a range of fore and aft

positions.

7.2 INTERNAL SHELVES

7.2.1 The cabinet’s 19 inch rack mounting chassis shall allow shelves with a minimum

depth of 300mm to be installed on the vertical rails within the cabinet. The shelves shall be rigid and free of sharp edges.

7.2.2 The shelves shall be provided with mounting holes on the left and right sides

with screws and nuts to allow location at any height on the vertical rails. The shelf shall be capable of supporting a minimum static weight of 20kg without

deformation.

7.2.3 Shelves shall be able to be installed and fixed in position from both the front and

the rear of the cabinet.

7.3 MOUNTING MISCELLANEOUS EQUIPMENT

7.3.1 The internal design of the cabinet shall provide for the mounting of

miscellaneous electrical and telecommunications equipment by the DIN rail mounting system.



7.4 CABLE MANAGMENT

7.4.1 The cabinet shall provide cable management hardware running the full height of

the cabinet for the purpose of routing and securing of cables. The internal design

of the cabinet shall be such that the installed cable management hardware does not interfere with the internal racking system.



SECTION 8 MAINTAINABILITY

8.1 TOOLS

8.1.1 The design of the cabinet shall be such that any onsite assembly or maintenance

activities to the cabinet itself can be carried out with the use of common hand

tools.

8.2 ACCESSIBILITY

8.2.1 The design of the cabinet shall be such that maintenance personnel can access equipment or cabling installed in the cabinet or to make adjustments or additions

to the racking or shelving without disassembling any part of the cabinet.



SECTION 9 DOCUMENTATION

9.1 GENERAL

9.1.1 The cabinet shall be supplied with:

• Detailed assembly drawings, including mounting details and dimensions,

cabinet base and securing bolts details and dimension

• Detailed installation drawings, including cable entry details

• Parts list (including all optional structural and electrical components &

modules)

• Electrical interconnection diagrams

• Electrical Switch board drawings including electrical protection details, e.g.

circuit breaker

• Recommendations and procedures for routine and corrective maintenance

• Recommendations on spare parts holdings (routine and corrective)

• Compliance of the cabinet and its components with the requirement stated

within this specification

• Records of tests conducted by the cabinet supplier and/or their component

supplier(s) to demonstrate compliance with the requirements stated within

this specification

• Details of warranty conditions of the cabinet and internal components

9.2 INSTALLATION RECORDS

9.2.1 After installation of the cabinet, the Contractor shall provide the Superintendent

with a GPS record of the location of the installed cabinet.

9.2.2 All GPS coordinates shall be given in electronic format in GDA94 coordinate

projection.

9.2.3 All devices installed in a cabinet shall be associated with a site number provided

by VicRoads. All cabinet location GPS records shall also contain the site

number(s) of the system(s) that the cabinet services.

9.2.4 Electrical connections to Point of Supply and the Point of Supply details shall be

included.



APPENDIX A POST MOUNTED CABINET

(Normative)

A.1 GENERAL

A1.1 This appendix outlines the requirements for a small post mounted cabinet. Such

cabinets are used to house electronic devices for ITS applications such as CCTV and Wireless Vehicle Detection in situations where the use of a full sized 19-inch

rack mount cabinet is not warranted.

A1.2 The mechanical, materials and environmental requirements of the post mounted

cabinet shall generally comply with all mechanical, materials and environmental

requirements of the full roadside cabinet. However, attributes such as mounting

methods and overall dimensions shall differ.

A1.3 Examples of the kinds of devices suitable for installation in a post mounted

cabinet would include but not be limited to:

• CCTV Power supplies

• Access Point Power Over Ethernet (PoE) injectors

• Digital video encoders for CCTV cameras

• Small IP communications switches

• Fibre-optic data transceivers

• Data radio modems

• Field Processor

• Sign controller

A.2 DESIGN AND CONSTRUCTION

(Design and construction shall be in accordance with section 4.1 of this specification)

A2.1 Resistance to Weather

(Resistance to weather shall be in accordance with section 4.11 of this specification)

A2.2 Exterior Finish

(Exterior finish shall be in accordance with section 4.12 of this specification)



A.3 DOOR

A3.1 A single door shall be provided at the front of the post mounted cabinet. The

size of the door opening shall be as close as practicable to the external

dimensions of the front face of the cabinet.

A3.2 A door retaining device shall be provided to lock the door in the open position.

This retaining device shall be stored inside the cabinet while the door is closed.

A3.3 Door seals shall be provided to ensure that the degree of protection (IP rating) of

the cabinet is not compromised when the door is closed and locked. These door

seals shall be made from a UV stabilised material and shall have a minimum in-

field life of 20 years.

A.4 DOCUMENT STORAGE

A4.1 A small pocket shall be provided on the inside of the door to provide space for

the storage of items such as service cards and circuit diagrams.

A.5 DIMENSIONS

A5.1 The outside dimensions of the post mounted cabinet shall be within the bounds

below:

Minimum (mm) Maximum (mm)

HEIGHT 400 650

WIDTH 300 450

DEPTH 200 400

A.6 PROVISION OF CONDUIT ENTRY

A6.1 The entry of all cable conduits shall via the under-side of the cabinet. The

cabinet shall allow entry of 2 x 32mm2 cable conduits as a minimum. These

conduits shall be flexible, fully weather proof, vandal proof (i.e. slash proof), and

shall be made from:

� Flexible stainless steel or;

� A flexible polymer hose with internal or external braided stainless steel weave.

A.7 POLE MOUNTING

A7.1 The cabinet shall be able to be securely mounted to wooden and metal poles with circular, square and hexagonal cross-sections.



A7.2 The mounting height of the cabinet shall be variable at installation time to suit

the surrounding environment. This mounting height shall be fixed thereafter.

A7.3 The cabinet shall be mounted in such a way as not to interfere work the

functionality of the pole, ie. 10m mid hinged poles.

A7.4 The mounting strap mechanism shall be able to be locked in place by way of a

durable keyed lock or similarly secure mechanism.

A.8 INTERNAL MOUNTING SYSTEM

A8.1 The cabinet shall provide an internal DIN rail mounting system. The quantity or

rail installed in the cabinet will depend on the number of devices required for the intended application.

A8.2 It is highly desirable that all devices installed in the post mounted cabinet be DIN rail mountable. Shelves may also be provided in order to support non-DIN

rail mounted devices.

A.9 ELECTRICAL REQUIREMENTS

A.9.1 Danger Sign

(Danger sign shall be in accordance with section 6.1.1 of this specification)

A.9.2 Compliance

(Electrical compliance shall be in accordance with section 6.1.2 of this specification)

A.9.3 Power Distribution

A9.3.1Mains power shall be distributed to devices installed inside the post mounted

cabinet via suitably protected DIN rail mounted terminal strip connectors.

A.9.4 Outlets

A9.4.1A dual 240VAC general purpose socket outlet shall be provided inside the post

mounted cabinet. This outlet shall have a continuous rated current load of 10A.



A.10 DOCUMENTATION

(Documentation for the post mounted cabinet shall be provided in accordance with

section 9 of this specification)



APPENDIX B FOUNDATION DETAILS

(Normative)

B1 CONCRETE BASE FOUNDATION

B 1.1 The foundation shall be designed to be suitable to securely support the cabinet.

B 1.2 The foundation shall include a concrete apron 80mm thick all around. The sides

of the apron shall extend a minimum of 200mm from the foundation.

B 1.3 The front and rear of the apron shall extend a minimum of 600mm from the

foundation.

B 1.4 The top surface of the foundation shall be 150mm above the surface of the apron.

B 1.5 The foundation shall include a 30mm chamfer on all sides of the top edge.

B 1.6 A clearance of 1000mm must be maintained in front of the cabinet.

B 1.7 Foundation to be minimum clearance of 500mm to back of kerb and 200mm from building lines, poles etc.

950mm

850mm

30mm

Chamfer

Rag bolts or

Holes for

loxons

1010mm

910mm

Front Concrete

apron

600mm

Min.

200mm Min.



B 1.8 The Contractor shall supply plans for the design of the concrete base to the

Superintendent for review prior to construction and installation of the ITS Field cabinet.

B 1.9 The cabinet shall be fixed in accordance with section 5.1 of this specification.

B 1.10 The concrete base shall have four (4) cast-in 100mm conduits as follows:

• Two orange conduits, each 100mm in diameter for power cabling.

• Two white conduits, each 100m in diameter for communication cabling.

B 1.11 The concrete base shall be oriented such the doors of the installed ITS Field

cabinet are parallel to the road when in the closed position and the contractor

must obtain agreement from VicRoads prior to installation of the concrete base if this orientation cannot be achieved due to site conditions

B2 CONDUIT AND CABLE ENTRY

B2.1 The cabinet shall be designed to accommodate cable entry from the bottom

through conduits cast in to the concrete foundation. The bottom of the cabinet

shall provide an aperture of not less than 250mm x 450mm through which the cabling will pass.

B2.2 A gland plate shall be provided with proper glands for all cabling to pass

through.

B2.3 The cabinet shall be located so that the doors can be opened free of obstructions

such as retaining walls or noise fences.

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