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Sixty Martin Place, Sydney

Tenant Information Manual

Building Technical Specifications

Mechanical Services

This section covers air conditioning, mechanical ventilation, and aspects of the Building Mechanical System (BMS).

Connection interphase to base building BMS must be discussed with the Building Management Team prior to any HVAC mechanical services works commencing in the fit-out.

During your fit-out, please provide your Project Manager with detailed plans showing the location of all staff, equipment, and lighting so the heat load and the usage of all areas can be determined. The Project Manager will also need to provide these plans to the Building Management Team’s preferred air conditioning consultant.

Ductwork modifications must be minimised to maintain straight duct runs, the use of flexible ducts need to kept to a minimum with bends kept under radius of 1.5 diameters.

Areas which are highly partitioned or have floor to slab partitioning must have sufficient return air grilles to allow return air to traverse the above ceiling space when partitioned doors are shut.

Tenancies on multi-tenanted floors may require either acoustic security transfer ducts across the tenancy dividing partition or return air grilles in the tenancy wall to the core corridor and corridor ceiling grilles; to allow the return air from the tenancy to leave the tenancy and return to the false ceiling level to return to the return air riser.

Air and water balancing of fit-out works must be performed by approved balancing contractors. The final balancing detail must be reviewed by the base building services consultant.

 

60+Martin+Pl+(60)

Air conditioning, Mechanical Ventilation
and Building Automation System (BAS).

Type
Information
Air Conditioning
  • Level 18 Central Plant - 3 Chillers
  • 3 Low Temp Chilled Water Pumps
  • 4 Hight Temp Chilled Water Pumps 2 Highrise (HR) 2 Lowrise (LR)
  • 3 Primary Condenser Water Pumps for Chillers
  • 5 HR Air Handling Units (PN-PE-PS-CN-CS)
  • 5 LR Air Handling Units (PN-PE-PS-CN-CS)
  • 3 BAC PCT1010-P3-N Cooling Towers for Chillers
  • 2 BAC PCT1111-P3-N Cooling Towers for Tenancy Condenser Water
  • Various Fan Coils, Split Systems, Exhaust and Supply air fans
The mechanical system serving the typical office floors of the building is a combination of an active chilled beam (ACB) system for the perimeter zones and a variable air volume (VAV) system for the centre zones. The main central plant, including air handling units (AHUs) and chiller plant are located at a mid-level plant room (level 18) with associated heat rejection at roof level. Heating boilers are located at Level 32. 
Internal Conditions
SUMMER | Dry Bulb Temperature (°C) 22.5°C +/- 1.5°C
SUMMER | Relative Humidity (%) 24°C Dry Bulb with maximum dew point of 14.0°C in occupied area
WINTER | Dry Bulb Temperature (°C) 22.5°C +/- 1.5°C
WINTER | Relative Humidity (%)

21°C Dry Bulb with maximum dew point of 14.0°C in occupied area

External Design Conditions
SUMMER | Dry Bulb Temperature (°C) 32°C
SUMMER | Wet Bulb Temperature (°C) 23°C
WINTER | Dry Bulb Temperature (°C) 7°C
Tenant Condenser Water System Capacity
Cooling Capacity (NLA) (W/m²) Not nominated
Heat Rejection (NLA) (Wm²)

25W/m² NLA heat rejection from every floor

Water Allocation (NLA) (L/s)/m2 80L/s - Total CDW - (L/s)/m² vary per lease allowance
Water Temperature 28.5°C in / 34°C out
Internal Loads
Population Density (NLA) Office 1 person / 10m2
Lighting (W/m2) Equipment - 15 W/m2
Lighting - 5 W/m2
Outside Air | Minimum (L/s/person) 11.25
Maximum Noise Levels
Office areas (NR) Meeting Rooms / Building Manager Office 40 dB(A)
Open plan offices 40 dB(A)
Civic Room 45 dB(A)
Retail Tenancy 50 dB(A)
Toilet / Changerooms / Showers 50 dB(A)
General Corridors and Lobbies 50 dB(A)
Car Parking 65 dB(A)
Plant Rooms 80 dB(A)
Fire Isolated Exits and Stairwells during Fire Emergency 80 dB(A)
Occupied Spaces during Fire Emergency 65 dB(A)
After Hours Air Conditioning
AHU | Whole Floor ($/hour) + GST $50 plus gst
Normal Hours of Operation of Air Conditioning Plant 7:30am – 6:30pm Weekdays
Zones Per Floor
Number of Zones 6 Zones per floor (West runs off North and South)
4 Perimeter
2 Center Zone
VAV's No of VAV’s per floor dependant on NLA
General Exhaust Riser
Capacity | Average per Floor (L/s) 0.2 l/s/m2
Capacity | Maximum for One Floor (L/s) 0.2 l/s/m2
Capacity | Toilet Exhaust louvre sized for 250% capacity fans running at 100% capacity
Supplementary Fresh Air Riser
Average per Floor (L/s) 0.3l/s/m2
Supplementary Fresh Air to be provided by tenant from southern facade
Maximum for One Floor Louvre sized for 250% capacity
Return Air Through Ceiling Space to RA Riser Yes
Building Monitoring and Control System
Type Desigo CC Integrated Services Platform
Availability for Tenancy Monitoring 
(subject to approval)
Yes
Building Envelope Glazing
SC Maximum Solar Heat Gain Coefficient North/South?East/West: 0.16 (combined glazing/blind SHGC)
U Maximum (w/m2K) 2.8

Electrical, Security, Communications Systems

The electrical and security systems provided by Investa are designed to be tenant friendly, enabling efficient general servicing and substantial and regular fit-out alterations, with minimal inconvenience.

Prior to any demolition works, your Project Manager must check existing cables (power, data and communications) in the tenancy and obtain approval from the Building Management Team for any isolation or cutting of these cables.

This is to avoid accidental damage to existing base building cables, and impact to base building equipment operations. If the Building Management Team have not been advised and proper authorisation not provided to the main contractor, it will be the Lessee’s responsibility to restore damaged services.

 

Tenant Lighting

Lights are controlled from group switches.

Tenant Distribution Boards

All electrical circuits and GPOs must be numbered (circuit number and distribution board number) and the distribution board permanently labelled as appropriate. The load across phases must be balanced.

Wiring

All wiring run in ceiling spaces, including the central service corridor, must be supported on trays or catenaries, or clipped to the slab and bundled by means of cable ties.

No wiring whatsoever will be allowed to lie on the ceiling grid or tiles, be clipped to the sprinkler pipe work or run in the data cable trays.

To assist you with the cabling of power and communications cabling from the core area services, cupboards to the tenancy area facilities have been provided and are mentioned below.

Design & performance parameters
Tower
Power supply
Substation Arrangement 1 Substation
Capacity (kVA) 3 x 1500
Configuration Ausgrid Triplex 'City Type' Chamber Substation 
Feeder Arrangement Metered/Unmetered Supply - Tenant and Base Building
Unmetered Supply - Tenant
Tenant Power Supply
Determined by relevant (NLA)(VA/m2) 60VA/m2
Standby power
Type of Drive Diesel
Number of Sets 2 sets Level 32 Generator Room
Rating 2000kVA
Operation Arranged for automatic operation upon loss of normal supply.
Control PLC Monitored with programmed load shedding no ability to control switch from PLC.
Fuel Storage 2 x 10,000 Litre tanks
24 hours - 416L/h per diesel
Base Building Standby 100% of the house power and light services 
Tenant Standby Power Capacity - 
Determined by relevant NLA (m²)
100% of the tenant power and light services.
Tenancy floor cabling facilities
In ceiling cable tray throughout core corridors Under floor and In Ceiling 
Core and perimeter conduit droppers from ceiling to skirting duct. N/A 
Ducted Skirting N/A
Other Systems 2 general communication risers
Digital Antenna System (DAS)
Telephone Cabling
Incoming Cable Location B2
MDF Location B2
Pairs per Floor 1 pair 10m² N/A Building Supplied with NBN
Building Lighting
Lighting Type

Diffused LED - Designed to AS 1680 and GBCA Green Star

Monitored and Controlled By Philips DALI lighting control system

Tenancy Lighting
Average maintained level of luminance (Open Plan) (lux) 400
Fittings Exposed T-Bar - Eagle Lighting - Vertex Air
Downlight - Prolight - Crystal White
Emergency and Exit Lighting
Compliance (Standard) AS2293.1
Tenant Fittings Independat stand alone - DALI Monitored and Tested (not single point critical)
Type Spitfire - Clevertronic - CLIFE-PRO-DALI-F5C
Exit - Clevertronic - CUBLED-DALI-F5C
Security and Access Control System
System Features
Manufacturer JCI
Card Type HID 1-Class48 bit Corporate 1000
24 hour/7 day monitoring from Security Desk Yes
Time lapse VCR/DVR Recording Yes
Tape Image Retention Period 60 days
Extent of System (Areas Covered)
Car Park After Hours Yes
Building After Hours Yes
Lift Control After Hours Yes
Fire Stair Door Locking and Monitoring Yes
Plantrooms Yes
Loading Dock Yes
Closed Circuit Television (CCTV)
Building Entry and Exit Points Yes
Common and Public Areas Yes
Car Parks Yes
Loading Docks Yes
Goods Lift Yes
Car Park Lifts Yes
MATV System
TV Channels Free to Air (FTA) and Foxtel
channels to all floors.
Radio Digital
Antennae and Satellite Dish
Provisions available (subject to review and consideration of existing installations) Yes
Communications
Main Distribution Frame 
(pairs per floor)
Cabling infrastructure is a combination of copper
and fibre. 200pr of voice grade copper will be
provided to the MDF 
Intermediate Distribution Frame
(on floor, pairs per floor)
Available for distribution to tenants if required.

Hydraulic Services

The hydraulic services consist of the following systems:
  • Sewer drainage
  • Grease waste drainage
  • Hot water service
  • Cold water service
  • Fire hydrant & hose reel service
  • Sump pumps
  • Gas service
  • Downpipe and roof drainage
  • Dedicated cooling tower supply
  • Sanitary plumbing
  • The operation of plant and equipment is monitored by the BMS.
  • Stormwater and sub-soil drainage
Design and Performance Parameters
Provisional Services on Office Floors
Trade Waste Service 
(Grease Stack available on all levels)
Yes
Soil and Waste Services
Sanitary stacks available on all levels
Yes
Cold Water Service
Water risers adjacent to stacks with isolation valves
Yes
Floor Coverage for provisional services Available for tenant to provide
TIM Graphics
Fire Services

Fire Services

The Life Safety Systems associated with the building are designed to a high commercial standard and maintained and tested to ensure compliance with the prevailing Australian standards.

The Premises has a Fire Engineering Consultant that certifies the building annually and on an ongoing basis. All tenant areas that are altered or refurbished will be required to engage the Premises Consultant to review and carry out final sign off for the fire safety measures at the tenant’s expense.

The classification and hazard rating for the building is as follows:

  • Tenanted areas are Ordinary Hazard I;
  • Car Park Ordinary Hazard II; and
  • Retail areas Ordinary Hazard III.

Smoke System

Addressable Smoke detectors interfaced to the base building main fire monitoring system are mounted above each fire exit door and return air riser. These detectors are sensitive to dust and smoke which may be generated as a result of fit-out works. The Project Manager shall notify the Building Management Team in writing when dusty or smoky works may take place so that the detector(s) may be isolated. A Fire Impairment Form must be completed and lodged prior to any isolation taking place.  

Any charges incurred from Fire Brigade attendance for false alarms associated with fit-out works will be charged to the Project Manager. Under no circumstances are smoke detectors to remain isolated overnight after works have been completed.

Hose Reels

The hose reel cupboard adjacent to the fire stair door must remain accessible from the fire stair. All parts of a tenancy must be reachable by a hose reel. The Project Manager will arrange for additional hose reels to be installed to achieve this if required.

Coordination and notification to the Building Management Team is required in the event of Hose reel shut down being required.

Note that access to the aforementioned fire stairs from each level of the tower is not available at any times (unless there is an emergency).

Emergency and Exit Lighting

Emergency and exit lighting is installed on an open plan basis to comply with safety requirements. As a result of the tenancy fit-out, further emergency and exit lighting may be required, and any such additional lighting is at your expense and must comply with safety requirements.

Whilst Management will undertake 6-monthly emergency exit light testing, it is your responsibility to install service and repair exit lighting. Investa can arrange this on your behalf and this sundry charge will appear on your monthly rental invoice.

A certificate of compliance for the tenancy area Emergency and Exit Lighting must be supplied as part of the tenancy Fire and Essential Services documentation.

The following table contains the design parameters of the fire and emergency systems.

 

Emergency Warning and Intercommunications System

The Emergency Warning and Intercommunications System (EWIS) incorporate speakers, which are distributed throughout the building and tenancy areas. Tenancy fit outs generally attenuate the volume of the EWIS speakers, and the Project Manager shall ensure that additional speakers are installed, or speakers are relocated as necessary to achieve authority compliance (AS2220).

While general EWIS speaker wiring can be performed by the tenant’s contractors as part of the fit-out works, any disconnection from or connection to the ‘live’ EWIS must only be performed by the building preferred contractor. The Project Manager will be held responsible for any damage to the EWIS which results from unauthorised disconnection or connection.

Sprinkler System Isolations

  • Drain downs must be kept to an absolute minimum. Any drain downs must receive approval from the Building Management Team with no less than 24 hours' notice
  • Drain downs left overnight or for an extended period are conditional on approval by the building insurers and adherence to any requirements imposed by the insurers. Any costs associated with this approval and subsequent conditions will be the responsibility of your Project Manager.
  • Drain down and refill operations will only be performed by the building preferred contractor, without exceptions.

  • The existing sprinkler system will be retained in service whilst new pipe work is being installed, and all new pipes must be cut over during one drain down. Sprinkler systems must be refilled and operational overnight and on weekends.
Design & performance parameters
Tower
Sprinkler installation
Standard

Combined sprinkler and hydrant system to AS2118.6-2012.

Sprinkler hazard to AS2118.1-1999.

Average Spacing per head Designed by tenant during fitout under AS2118.1-1999.
Sprinkler Head Type Standard response, Semi-recessed, Escutcheon plate
Office Hazard Rating Ordinary Hazard 1
Car Park and Retail Hazard Rating Ordinary Hazard 2
Goods Lift Lobbies Yes
Floor Fire Stair Doors Yes
For operation of mechanical plant under AS1851 2005 Yes
Fire monitoring system
Type Automatic FIP and EWIS System
Other Sprinkler system, hydrant/hose reels and extinguishers installed on each floor
Smoke Detectors Detectors are provided for the office floors as per
BCA and AS1670.1.
Emergency warning and intercommunication system
Type AMPAC EV 3000
Code Compliance AS1670.4.
Maximum Area per Speaker on office floor standard AS1670.4
Hydrant and Hose Reels
Number per Floor (In accordance with BCA and NSWFB Spec 10) 3 or 4 depending on floor
Performance AS2419.1
AS2441

Lift services

Design & performance parameters
Tower
General Lift Parameters
Lifts provided by back-up power Yes
Security Yes
Power System Swipe Card and Bluetooth from phone can connect to Schindler port terminal destination controls
Number of Lifts Per Rise
Low Rise 6
High Rise 6
Car Park 2
Goods Lift 1
Retail Lift

2

Speed
Low Rise (m/s) 4.75 to 5.25 m/s
High Rise (m/s) 5.7 to 6.25 m/s
Car Park (m/s) 1
Goods Lift 2.5
Retail Lifts 1.6
Duty (kg)
Low Rise 1800
High Rise 1600
Goods Lift 2250
Retail Lift 1200
Car Park 1450
Average Waiting Interval (sec)
Low Rise Morning peak <25s 
Lunch peak  <35s
High Rise Morning peak <25s 
Lunch peak  <35s
Population Density (person/m² NLA)
Low Rise 1:10
High Rise 1:10
Passenger Lift Dimensions (mm)
Door Opening Size - Width 1400
Door Opening Size - Height  2400
Internal Car Dimensions - Width  1660
Internal Car Dimension - Depth  2500
Internal Car Dimension - Height 3000
Goods Lift Dimensions (mm)
Outer Dimensions 1750w x 2500d x 3600h
Access Door Dimensions 1400w x 2400h

Building Mechanical System (BMS)

The BMS provides control and monitoring of all major air conditioning and ventilation plant, in addition to monitoring of selected, important aspects of other services.

A system of centralised Building Automation System. The system is fully automatic at each level of operation.

Workstation A work station complete with high resolution monitor, keyboard and mouse is located in the Building Management Office.
Power Supply The BMS is powered by house power.
External Monitoring The BAS system may be accessed remotely as required.
Sensors Space temperature sensors have an accuracy of +/-0.3°C.
Alarms Alarm points are capable of assignment of at least three priorities to allow grading of alarms from critical to non-critical. Email is sent to Building Management.
Scheduling All systems are provided with time scheduling on a seven-day basis with holidays capable of being programmed
 at least one year in advance.
Control Point Adjustments

All control points are fully adjustable from the central workstation.

Logging Some system points are provided with both trend and event logging facilities.
Reports Generated as required
Graphics Graphics are provided to designate systems using real time values, dynamically updated at least every 90 seconds.
Services The BMS monitors or controls the various building services as follows:
  • Mechanical Services
  • Air conditioning is provided with Direct Digital Control (DDC) system. The central plant is controlled by a selection of master sensors from various floors.
The following programmes are provided:
  • Optimum start-stop of main air conditioning plant
  • Outside air economy cycle initiation and control
  • Optimum chiller sequencing of all chillers
  • Boiler sequencing.
  • After hours air conditioning is logged by the BMS system and includes the number of hours run, the time, date and floor for which it is required. AHAC can be activated with an authorised access card swiping over the AHAC reader located next to the directory board on Bligh Street Entrance.
  • Electrical Services
  • Lift Services
  • Fire Services
  • The BAS monitors the alarms and sends an email to the Building Management Team.
  • Hydraulic Services
  • The BAS monitors the alarms and status of the hydraulic services.

Other Specifications

Design and Performance Parameters
Ceiling
System Suspended perforated acoustic metal pan ceilings
Grid 1500mm x 1500mm
Floor to Ceiling Height 2.7
Slab to Slab 3.8
Parking
Capacity 66 car parking bays, 6 motorbike spaces, 2 loading dock bays, 4 courier parking bays
Access Via Phillip Street
Maximum height clearance Carpark: 2.2m
Loading Dock: 3.6m
Bicycle parking 366 bicycle spaces - accessed via Lower Ground
Amenities
Accessible Toilets All levels except Car park and Plantroom floors 
Shower Facilities In the End of Trip on B3

Building Service Contractors

Should you wish to carry out day-to-day repairs or maintenance within your tenancy, we encourage you to engage the preferred vendors, consultants and technicians of Investa to perform the works. Our contractors are familiar with the building’s systems and safety requirements and are already site inducted, which is advantageous when planning or performing works.

The preferred vendors of Investa can be engaged via either of the following methods:

By submitting an Investa Connect Help Desk request – Building Management will then liaise with the vendor on your behalf to arrange for the works to be carried out. Building Management will seek your approval regarding associated costs, which would then be re-charged to you as a sundry charge on the monthly rental invoice, or

By contacting the vendor, technician or consultant directly and arranging the required tenancy works. The contractor, technician or consultant can then invoice you directly.

Below is a list of the preferred consultants, contractors and service technicians at the building. As this online list will be updated periodically, we encourage you to retain the link so it is readily accessible to your relevant staff. 

Services
Contractor Company
Contact Information
Access Control Johnson Controls 1800 659 378
Auto Doors

Record Doors

1800 659 378
BAS Siemens 1300 782 379
BMCS Airmaster 1300 247 627
BMU A Grade Access 02 8213 7484
CCTV H3C 1800 659 378
Cleaning Services Dimeo 0401 950 776
Communications Undivided 0488 197 333
Data Commissioning Willow Technology

Selwyn Rees:
srees@willowinc.com

DAS Telstra Jordan Hamilton: jordan.Hamilton@team.telstra.com 
Doors

Dormakaba

Operable Doors

1800 675 411

0438 732 137

Electrical

Fredon Electrical

02 9475 9400
Emergency and Exit Lighting Fredon Electrical 02 9475 9400
Fire Services and EWIS Grosvenor Engineering Group 02 9758 9555
Flooring
Glass Works Express Glass 13 12 18
Handyman Edsring Property Maintenance 02 9904 8194
Hydraulic Services Atlantic Plumbing 02 9966 9690
Hygiene Services Flick Anticimex 131 440
Indoor/Outdoor Plants Posh Indoor Plants 02 4733 3633
Lifts and Escalators Schindler Lifts 02 9931 9900
Master Key System Hildebrandt 02 9212 5211
MATV System
Mechanical Services BSA Mechanical 02 9737 8711
Security Services E Group 02 9057 8668
Thermograph Fredon Electrical 02 9475 9400
Waste Removal iTreat 1300 780 029
Waste Treatment iTreat 1300 780 029
Window Cleaning Ultra Clean Services 02 9879 6669
Warden / Emergency Training Hendry 1800 875 371

Engineering Contractors

Services
Contractor Company
Contact Information
Mechanical Services Norman Disney Young 02 9928 6800
Electrical Services Norman Disney Young 02 9928 6800
Structural Engineering

Enstruct Group

02 8904 1444
Hydraulic Services ARUP 02 9319 9320
Fire Services ARUP 02 9320 9320
BMCS Airmaster 1300 247 627
DAS Wireless Coverage Solutions 1800 318 039
Context

Distributed Antenna System (DAS)

Providing a quality mobile phone coverage experience within a building is achieved using a dedicated in-building system known as a Distributed Antenna System (DAS), sometimes referred to as In-Building Coverage (IBC) system. The system is installed throughout the building including cables in risers and ceilings, and antennas below the ceiling within the tenancy, lift lobbies and public areas. The service is delivered via white (unless painted) dome antennas and will be visible when installed below the ceiling. In some instances, the antennas may have been placed above the ceiling, however this is to the detriment of the performance of the system.


Due the topology of these systems any damage to an antenna or cabling within the ceiling may have an impact on a larger portion of the system beyond the immediate impacted area. Damage to the system results in not only a deterioration of mobile performance below the antenna, but over the entire ‘sector’ - often 10+ floors with significant deterioration of performance in lifts. Consequently, the preservation and adjustment of the system to accommodate a specific tenant fit-out is critical. A DAS is highly specialised equipment and should not be handled by a standard electrician or builder.


The most recent version of the Mobile Carrier Forum (MCF) Guidelines published in November 2018 represents the latest set of operator guidelines outlining details of performance requirements, testing requirements, installation standards and PIM expectations as a point of reference for DAS works.

Tenant Activity Impact

There are primarily three (3) ways in which the DAS performance can be negatively impacted as a result of a tenant activity.
  • Modification of floor fit-out

    Changes to the fit-out may limit the quality of coverage throughout the floor, particularly if new walls are being erected for offices and meeting rooms. For example, antennas being isolated in enclosed area may significantly impact the performance of the DAS throughout the floor.

  • Relocation/Damage to Infrastructure

    Undertaking any tenant fit-out or refurbishment resulting in antennas being placed above the ceiling, removed, or damaged will lead to coverage gaps and deterioration of the ‘sector’ of the DAS within the building. Similarly, it is not uncommon for coaxial cable to be cut or bent beyond the prescribed bend radius which can result in cables having to be replaced in their entirety to achieve the required DAS performance levels.

  • Passive Intermodulation (PIM) Interference

    A more subtle activity may result in the creation of interference on the system whereby the materials of nearby items including fit out materials and furniture (particularly metal) can negatively impact the performance of the system. Typical issues come in the form of emergency lights, sprinklers, metal lockers, etc. This is generally not malicious damage, but it will result in a deterioration of performance. Typically, any DAS works on a given floor should be at the back of a fit-out process to allow for PIM optimisation once all the new structures are in place.

Process to Limit Impact

As with all utilities the preservation of the DAS is paramount. All costs associated with retaining the DAS in its’ operational state during and immediately after the fitout will be borne by the fitout contractor and their respective client.

DAS system with a lead operator. Tenant Fitout

Refer to the specific license between the landlord and the operator for specific process and notification periods. However typically the process will progress as follows.

1. Provide notice to the operator of the upcoming changes to the floor including relevant information - typically RCPs and partition plans will provide the operator with the information required to move forward.

2. The lead operator may choose to pursue works themselves and will likely provide a quotation, or they may be willing to refer the work to a qualified party depending on the scope and the operator’s policies

3. As the system is live it’s likely that works will need to be completed within an ‘outage’ period, usually at night or out of hours, where the operator will power down the system for WH&S reasons.

4. The operator may put in place documentation or testing regimes in line with their requirements.

Please contact the site facilities manager or other landlord representative should you require further information.
Further DAS related technical support is available from Wireless Coverage Solutions Pty Ltd.
P: 1800 318 039
E: info@wirelesscoverage.com.au
W: www.wirelesscoverage.com.au