Transcript
Portable Modular Data Centre - Guildford
Portable Modular Data Centre As Built Design Documentation. Customer Westrac Pty Ltd - Perth, Australia Date
24/08/12
Version
1.01
ADVANCED SHIELDING TECHNOLOGIES S.L. Project Writing Revised by: IBM Australia Pty Ltd / Leigh Bailey
IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford
Index Introduction .................................................................................................................... 9 1
Standards Compliance .......................................................................................... 11
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Structural ............................................................................................................. 12 2.1
Container Dimensions – IT Pod ................................................................................... 14
2.2
Container Dimensions – Services Pod .......................................................................... 16
2.3
Base Structure............................................................................................................ 18
2.4
Door Structure ........................................................................................................... 18
2.5
Core Structure ............................................................................................................ 18
2.6
Smart Shelter ............................................................................................................. 18
2.6.1
Overview of Shelter Requirements for Data Centre Deployments............................................... 18
2.6.2
Smart Shelter Enclosure Details .................................................................................................... 22
2.6.3
Ventilation System ........................................................................................................................ 36
2.6.4
Smart Shelter Specifications ......................................................................................................... 39
2.7
Anchoring Points ........................................................................................................ 42
2.8
Painting ..................................................................................................................... 42
2.9
Rack Cabinets ............................................................................................................. 42
2.9.1
Rack Guide System ........................................................................................................................ 45
2.9.2
Flexible Cable Guides .................................................................................................................... 46
2.10
Cable Trays ................................................................................................................ 50
2.11
Hearing Protection Station ......................................................................................... 51
2.12
Access Control............................................................................................................ 51
2.13
Structural Reference Material ..................................................................................... 53
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Electrical System ................................................................................................... 57 3.1
Cabling....................................................................................................................... 57
3.2
Switchboards ............................................................................................................. 60
3.3
Lightning Protection and Earthing. .............................................................................. 63 IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford 3.4
Main UPS ................................................................................................................... 65
3.5
Rackable UPS ............................................................................................................. 73
3.6
ATS (Auto Transfer Switch) ......................................................................................... 75
3.7
EPO (Emergency Power Off) ....................................................................................... 78
3.8
Lighting ...................................................................................................................... 81
3.8.1
Emergency Lighting ....................................................................................................................... 85
3.9
Rack PDU and Receptacles .......................................................................................... 86
3.10
Electrical Reference Material ...................................................................................... 92
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Cooling System ..................................................................................................... 95 4.1
Chillers....................................................................................................................... 98
4.2
Chilled Hot Water (CHW) Pumps ............................................................................... 101
4.3
IT Pod Cooling System .............................................................................................. 104
4.3.1
IT Pod Fancoils ............................................................................................................................ 104
4.3.2
IT Pod Humidifier ........................................................................................................................ 106
4.4
Services Pod Cooling System ..................................................................................... 108
4.4.1
Services Pod Fancoils .................................................................................................................. 108
4.5
RDHx Cooling System ............................................................................................... 110
4.6
Cooling System Reference Material .......................................................................... 111
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Fire Detection and Suppression System ............................................................... 113 5.1
Early Fire Detection .................................................................................................. 114
5.1.1
IT Pod .......................................................................................................................................... 114
5.1.2
Services Pod ................................................................................................................................ 117
5.2
Conventional Fire Detection ..................................................................................... 120
5.3
Fire Suppression. ...................................................................................................... 124
5.3.1
Fire Suppression Control Module ............................................................................................... 124
5.3.2
Fire Suppression Agents.............................................................................................................. 127
5.4
Fire System Reference Material ................................................................................ 130
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Building Management System (BMS) .................................................................. 133 6.1
APC Netbotz ............................................................................................................. 133
6.1.1
Wallbotz 500 Base Station .......................................................................................................... 135
6.1.2
Camera Pod 120 .......................................................................................................................... 136
6.1.3
Sensor Pod 120 ........................................................................................................................... 138
6.1.4
Pod Extender............................................................................................................................... 140
6.1.5
USB HUB D-Link........................................................................................................................... 141
6.1.6
Flooding Detector FD-100 ........................................................................................................... 141
6.1.7
Dry Contact Sensor ..................................................................................................................... 142
6.2
Monitored BMS........................................................................................................ 143
6.3
Monitoring Reference Material................................................................................. 144
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Portable Modular Data Centre - Guildford List of Figures Figure 1 - Westrac PMDC Site Layout Overview ................................................................................. 10 Figure 2 – International Fabrication Standards .................................................................................. 11 Figure 3 – PMDC Container being placed in Situ ................................................................................ 13 Figure 4 –Container weight and cubic capacity. ................................................................................. 13 Figure 5 - IT Pod External Dimensions ................................................................................................ 14 Figure 6 - IT Pod Internal Dimensions ................................................................................................. 15 Figure 7 - Services Pod External Dimensions ...................................................................................... 16 Figure 8 - Services Pod internal Dimensions ....................................................................................... 17 Figure 9 – Fire effect on a Smart Shelter structure............................................................................. 19 Figure 10 - Thermal Stability values for Data Centre Components. ................................................... 20 Figure 11 –Data Centre Water and humidity dissipation under heat and fire. .................................. 21 Figure 12 – Internal Smart Shelter enclosure ..................................................................................... 22 Figure 13 – Corner inside the PMDC during manufacture .................................................................. 23 Figure 14 – Smart Shelter Wall Panel Specifications .......................................................................... 24 Figure 15 – Tongue and Grove junction between panels ................................................................... 24 Figure 16 – Joints installed in a union between panels ...................................................................... 24 Figure 17 – Wall panels during manufacture ...................................................................................... 25 Figure 18 – Smart Shelter Ceiling Panel Specifications ....................................................................... 26 Figure 19 – Smart Shelter Floor Panel Specifications ......................................................................... 26 Figure 20 - Aluminium Floor installed in PMDC IT Pod ....................................................................... 27 Figure 21- IT Pod Hob Levelling Aluminium Plate ............................................................................... 28 Figure 22 – Smart Shelter Door Specifications ................................................................................... 29 Figure 23 – Smart Shelter Door........................................................................................................... 30 Figure 24 – Cable gland scheme ......................................................................................................... 31 Figure 25 – Roxtec type and location.................................................................................................. 32 Figure 26 – Fire grill made of intumescent material ........................................................................... 32 IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford Figure 27 – Fire Grill ............................................................................................................................ 33 Figure 28 – Overpressure valve of the IT POD .................................................................................... 34 Figure 29 – Overpressure valve design ............................................................................................... 35 Figure 30 – Fire dumpers dimensions ................................................................................................. 35 Figure 31 - Structural Schematic - Intumescent Fire Dampers ........................................................... 37 Figure 32 - Ventilation - IT Pod ........................................................................................................... 38 Figure 33 - Ventilation - Services Pod ................................................................................................. 39 Figure 34 – Mechanical stability in Smart Shelter Products ............................................................... 40 Figure 35 – Sound reduction in Smart Shelter products..................................................................... 41 Figure 36 - PMDC 19 Inch Rack Overview. .......................................................................................... 42 Figure 37 – 42 RU Equipment Rack Dimensions ................................................................................. 43 Figure 38 – Rack cabinet dimensions .................................................................................................. 44 Figure 39 - Rack Guide System ............................................................................................................ 46 Figure 40 – Cable chain piece ............................................................................................................. 47 Figure 41 – Cable chain technical specifications................................................................................. 48 Figure 42 – Flexible Cable Chain Overview ......................................................................................... 48 Figure 43 – E-Chains for data cabling behind racks ............................................................................ 49 Figure 44 - IT Pod Cable Trays ............................................................................................................. 50 Figure 45 – Access control Actatek2 ................................................................................................... 51 Figure 46 Door Locking Mechanism .................................................................................................... 52 Figure 47 – PMDC High Level Electrical Schematic ............................................................................. 59 Figure 48 –IT Pod Main Switchboard .................................................................................................. 60 Figure 49 - Services Pod Main Switchboard........................................................................................ 62 Figure 50 - EP bar and Earthing on Services Pod. ............................................................................... 64 Figure 51 - UPS Run Time Specifications............................................................................................. 66 Figure 52 - UPS Bypass Assembly Overview ....................................................................................... 68 Figure 53 – Internal switches in the main cabinet of the UPS installation ......................................... 69 IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford Figure 54 – Main technical characteristics.......................................................................................... 72 Figure 55 - Rackable Eaton Pulsar EX 1000 UPS.................................................................................. 73 Figure 56 – Eaton EX 1000 UPS Specifications .................................................................................... 74 Figure 57 - ATS Switchboard ............................................................................................................... 76 Figure 58 – ATS Schematic .................................................................................................................. 77 Figure 59 – EPO Temperature Sensor ................................................................................................. 79 Figure 60 – EPO Temperature Sensor Controller ................................................................................ 80 Figure 61 - EPO Main Relay ................................................................................................................. 81 Figure 62 - Illumination Power Density for common building classes ................................................ 83 Figure 63 - Emergency Light - Thomas & Betts type. .......................................................................... 85 Figure 64 - DI-STRIP® PizzaPower®. .................................................................................................... 86 Figure 65 - DI-STRIP® PizzaPower® specifications.............................................................................. 87 Figure 66 - DI-STRIP® BladePower® .................................................................................................... 87 Figure 67 - DI-STRIP® BladePower® specifications ............................................................................. 88 Figure 68 - Receptacle for rack 2 ........................................................................................................ 88 Figure 69 – Back of the first rack ........................................................................................................ 89 Figure 70 - Rack 2 & 3 receptacles ...................................................................................................... 90 Figure 71 - Receptacles for rack 7 and spare cables in junction box ................................................. 91 Figure 72 - Main Cooling System Hydraulic / Mechanical Schematic ................................................. 97 Figure 73 - External Chiller #2 ............................................................................................................. 99 Figure 74 - Emerson Chiller Specifications ........................................................................................ 100 Figure 75 – IT and Service Pod Fancoil CHW Pumps ......................................................................... 102 Figure 76 – Pump Room Switch Board.............................................................................................. 103 Figure 77 - Thermostat of Fancoils in IT Pod..................................................................................... 104 Figure 78 - Ciatesa KCN Series Fancoil Specifications. ...................................................................... 105 Figure 79 – Nordmann Econovap 422 humidifier ............................................................................. 106 Figure 80 - Nordmann Econovap Humidifier Technical Specifications. ............................................ 107 IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford Figure 81 - Carrier 42DW Fancoil Technical Specifications. .............................................................. 109 Figure 82 - LaserPLUS specifications ................................................................................................. 116 Figure 83 - VESDA LaserCompact ...................................................................................................... 117 Figure 84 - Function diagram of the LaserCompact .......................................................................... 118 Figure 85 - LaserCompact Specifications .......................................................................................... 119 Figure 86 – Conventional Smoke detector........................................................................................ 120 Figure 87 – 2600 Notifier Dual Risk Gas Panel .................................................................................. 122 Figure 88 –Notifier Zone Status LEDs................................................................................................ 123 Figure 89 – Fire Suppression Control Module - It Container (left) Service Container (right) ........... 124 Figure 90 - Fire Suppression Control Module - Light Descriptions. .................................................. 125 Figure 91 - Specifications of the Notifier IFS-2600 Fire Panel........................................................... 126 Figure 92 – Siren ............................................................................................................................... 127 Figure 93 Cylinders of IT and Service Containers .............................................................................. 127 Figure 94 - Netbotz Management system - as deployed .................................................................. 134 Figure 95 – Wallbotz 500 .................................................................................................................. 135 Figure 96 – Wallbotz 500 technical specifications ............................................................................ 136 Figure 97 – Netbotz Camera POD 120 .............................................................................................. 136 Figure 98 – Netbotz Camera POD 120 technical specifications ........................................................ 137 Figure 99 – Camera and Pod installed in front of the main door in IT container ............................. 138 Figure 100 – Netbotz Sensor POD120............................................................................................... 139 Figure 101 – Netbotz Sensor POD120 technical specifications ........................................................ 139 Figure 102 Pod extender ................................................................................................................... 140 Figure 103 – APC Netbotz Flooding sensor FD-100 .......................................................................... 141 Figure 104 – APC Netbotz Flooding detector FD-100 close to the drainage .................................... 142
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Portable Modular Data Centre - Guildford Introduction This document provides the as built details for the Portable Modular Data Centre (PMDC) installed for Westrac Australia at their Guildford site, 128-136 Great Eastern Highway, South Guildford WA 6055 The PMDC installation is composed of two 20 ft. high cube freight containers – one containing the data centre, the other containing services and a chiller. There is also a separate pump room and an additional, redundant chiller installed at this facility. The main features of the Portable Modular Data Centre are the following:
Fully lined Smart Shelter enclosure. Smart Shelter doors of 1100mm x 2300mm. Smart shelter accessories installed include overpressure valves, fire grilles and cable glands. 8 racks standard 19” Racks @ 42 U. Rack accessories installed include rack guide systems, flexible cable guides, data trays and power supplies. Data cabling between racks. Electrical system: Main switchboard and distribution board, UPS, EPO, redundant power supply (Tier III), lighting and emergency light. Cooling system: 5 air conditioning units (Total cooling power: 100 kW) Humidifier Monitoring system and access control Fire detection and extinguishing system
The following diagrams provide the overall dimensions, layout and physical characteristics of the Westrac PMDC Installation:
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Portable Modular Data Centre - Guildford
Figure 1 - Westrac PMDC Site Layout Overview
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Portable Modular Data Centre - Guildford
1 Standards Compliance The PMDC has been designed to international standards. Its components, assembly processes and quality control are executed according to the most demanding international processes and standards (IEC, EN, ISO, DIN, etc.).
Figure 2 – International Fabrication Standards
The purpose of the PMDC is to house electronic components used to collect, store and process electronic data, and is not designed to be habitable. The PMDC is a new type of storage facility, and as such there is no directly applicable classification of this facility noted in the Building Code of Australia (BCA) section A3 - Classification of Buildings. The current building classes are listed below:
Class 1a: single dwelling, row house, terrace house, townhouse or villa Class 1b: boarding house or guest house < 300m2 or 12 persons Class 2: sole-occupancy units Class 3: residential, boarding house, hostel, motel, residential part of aged care, school or health care Class 4: caretakers dwelling Class 5: office Class 7a: car park Class 7b: wholesale warehouse or storage facility Class 8: laboratory or factory Class 9a: health-care building Class 9b: assembly building Class 9c: aged care facility Class 10a: non-habitable private garage, shed, carport or the like Class 10b: swimming pool, mast, antenna, fence, retaining wall
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Portable Modular Data Centre - Guildford Under the current BCA, the PMDC could be considered to be Class 7B storage, Class 8 Laboratory or factory or a Class 10A non-habitable building or structure AST commissioned Frazier Building Certification and Consulting Pty Ltd to inspect a typical PMDC to clarify the classification under the BCA. After due consideration of all the facts including construction and usage, and the fact the facility is used auxiliary to an existing business operation, it was determined by that entity that the classification most applicable is a Class 7B storage building. A copy of this report is included in the Commissioning Reports in the Structural section of the artefacts that accompany this document. IBM has engaged two further independent consulting companies for additional opinions on the correct building class of the PMDC. Both believe the correct classification of the facility should be a class 8 laboratory or factory. Based on these opinions and opinions from IBM engineering experts, for the purposes of this installation the PMDC is classified as Class 8. IBM has engaged a third party independent auditor to audit the facility to verify that it is complaint with the relevant codes and standards applicable to this building class. As a result, a remediation program has been undertaken based on this report, to have the facility comply to class 8 building standards. There are, however, caveats to some standards and rules, where it is impractical or unsafe to comply due to the unique design of the facility. These caveats will be noted in this document. Where applicable, and where common sense and good engineering practice dictated, additional, nonmandatory safety measures have been deployed.
2 Structural The physical configuration is based on standard high cube type ISO containers 6 metres in length. Outer paint is Pleolite type with a maximum thickness of 500µm, designed to resist adverse environmental conditions.
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Portable Modular Data Centre - Guildford
Figure 3 – PMDC Container being placed in Situ
The following table provides a guide to the weight and capacity of a container: CONTAINER 20' HIGH CUBE WEIGHT Max. gross weight
kg
30.480
Max. net weight
kg
26.580
Tare weight
kg
3.900
CUBIC CAPACITY
m3
30,1
Figure 4 –Container weight and cubic capacity.
The diagrams on the following pages provide the dimensions of the deployed IT and Services containers.
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Portable Modular Data Centre - Guildford 2.1 Container Dimensions – IT Pod
Figure 5 - IT Pod External Dimensions
Key is as follows: 01 - 20ft Container 6058 x 2446 x 2843 02 – Smart Shelter Door 2100 x 900, 03 – Overpressure Damper 200 x 200, 04 – Overpressure Damper box RAL9016, 05 – Fancoil Cable Gland box RAL9016, 06 - Fancoil Roxtec Cable Gland 120 x 160, 07 – Access Control Enclosure. IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford
Figure 6 - IT Pod Internal Dimensions
Key is as follows: 01 - 20ft Container, 02 – Smart Shelter Door 2100 x 900, 03 – Overpressure Damper 200 x 200, 04 – Overpressure Damper box RAL9016, 05 – Fancoil Cable Gland box RAL9016, 06 - Fancoil Roxtec Cable Gland 120 x 160, 07 – Access Control Enclosure, 08 – Wall Panel 80 x 1170 x 2585, 09 - Ceiling Panel 80 x 1170 x 2300, 10 – Floor Panel 60 x 1170 x 2160, 11 - Roof Reinforcement 40 x 20 x 2300, 12 – Manual Hoist System, 13 – Intumescent Grill
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Portable Modular Data Centre - Guildford 2.2 Container Dimensions – Services Pod Key is as follows: 01 - 20ft Container 6058 x 2446 x 2843 02 – Smart Shelter Door 2100 x 900 03 – Overpressure Damper 200 x 200 04 – Overpressure Damper box RAL9016 05 – Wall Aperture RAL9016 06 – Ceiling Aperture 07 – Access Control Enclosure
Figure 7 - Services Pod External Dimensions
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Portable Modular Data Centre - Guildford Key is as follows: 01 - 20ft Container 6058 x 2446 x 2643 02 – Smart Shelter Door 2100 x 900 03 – Overpressure Damper 200 x 200 04 – Overpressure Damper box RAL9016 05 – Wall Aperture RAL9016 06 – Ceiling Aperture 07 – Access Control Enclosure 08 – Wall Panel 80 x 1170 x 2585 09 - Ceiling Panel 80 x 1170 x 2300 10 – Floor Panel 60 x 1170 x 2160 11 - Roof Reinforcement 40 x 20 x 2300 12 – Chiller Beam Support. 13 – Intumescent Grill 14 – Tramex 15 – Extraction Duct Figure 8 - Services Pod internal Dimensions
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Portable Modular Data Centre - Guildford
2.3 Base Structure Base is constructed with longitudinal stringers of steel with a high elastic limit, joined to provide a steel crossbar in the shape of “C”.
2.4 Door Structure Doors are fitted within the internal structure of the ISO container. The outer door frame is made of posts of steel joined by a continuous weld. The top frame is made of a top crossbar of closed section steel, with reinforcement against possible impacts during handling. Low crossbar of door is made of carbon-steel of opened section. Weather seals fitted to the doors are composed of closed cell foam neoprene strips, material specification UK 421, which are fire resistant to 121 degrees Celsius. More detailed specifications on these seals can be found in the data sheet that accompanies this document.
2.5 Core Structure Internal reinforcement of the container is provided by the following:
Open section steel posts. Top crossbars made of steel pipe, with reinforcement to mitigate impact damage. Bottom crossbars of open section steel. Front walls made of pressed steel sheets. Other walls are constructed of pressed steel sheets joined to structure by continuous weld.
2.6 Smart Shelter 2.6.1 Overview of Shelter Requirements for Data Centre Deployments A Data Centre has a probability of being damaged by fire (inside or outside) of 4º/o (info: HP).
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Portable Modular Data Centre - Guildford
Figure 9 – Fire effect on a Smart Shelter structure
Also, the 95% of businesses whose data centres have experienced a fire event, cease to operate effectively in less than 12 months due to residual effects (info: HP). This makes necessary protection, not only against fire, but against the effects of high temperatures, relative humidity (that can condense water which will have adverse effects on sensitive electrical equipment), and water. The following diagram shows the maximum temperature and humidity values for common data centre components.
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Portable Modular Data Centre - Guildford
Figure 10 - Thermal Stability values for Data Centre Components.
The EN 1047-2 standard does not specify protection against water. Given the probability of damage by flood is about 3% (info: Swiss RE), effective data centre design should provide for a minimum of IPx5 protection (protection against direct exposure to water on top with inclination of 45º and lateral with heavy exposure flows). IP67 (protection against full flood) can also be obtained (but has not been provided in the Westrac installation).
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Litres of Water/ 1m³ of concrete (RF90)
Figure 11 –Data Centre Water and humidity dissipation under heat and fire.
The PMDC installation complies with the EN 1047-2 standard ratified in 2002. This standard harmonized in the E.U, provides requirements to ensure that technical rooms (computer rooms and/or data storage rooms) comply with minimum security and survival metrics. To summarise, the system must provide the following to meet the standard:
Protection against fire. Maximum temperature level inside room (in test conditions for 60 minutes) of 70ºC. Maximum relative humidity level inside room (in test conditions for 60 minutes) of 85%.
A room built with conventional materials (plaster walls, Rock wool…) does NOT meet these specifications. The Smart Shelter panels installed provide the necessary thermal isolation level to comply with the requirements of the standard. The Smart Shelter enclosure, developed by AST, provides protection against both fire and water. Smart Shelter consists of various fireproof and thermal insulation materials and sealants (fire and water). Construction is based on a simple panel design that provides for ease of installation, and is adaptable to most conditions where data centres are deployed (indoors, outdoors, large and small areas). Smart Shelter provides the following advantages:
Complete pack of security technical room “turnkey” Modular and configurable IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford
High security benefits Reusable structure and panels Water resistance to IPx5 Protection against water damage Protection against fire damage (internal and external) Thermal, physical, and electrical protection Environmental protection Protection against electromagnetic fields Use of 3D software that allow a virtual tour inside the Data Centre Room
Smart Shelter can be designed and adapted to be used with any room shape and size. In this case, it has been adapted to the 2 standard containers ISO 20’.
2.6.2 Smart Shelter Enclosure Details The Smart Shelter Enclosure is made of self-standing panels - features are detailed in this section.
Ceiling panel
Wall Panels
Flooring panel
Figure 12 – Internal Smart Shelter enclosure
Joints between panels are dovetailed and are sealed with protective silicone and special profiles to allow for high level protection against intrusion.
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Portable Modular Data Centre - Guildford
Figure 13 – Corner inside the PMDC during manufacture
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Portable Modular Data Centre - Guildford 2.6.2.1 Wall Panels Wall panels are installed vertically and are composed of a sandwich of materials to provide a standards compliant watertight enclosure with high temperature resistance. The sandwich is covered by two layers of galvanized and lacked steel sheets. Panels are re-usable, allowing for “clean” extension or modification of the room, without the requirement for dust or civil works permits. Wall panels have the following specifications: Use
Wall
Thickness
Width
Height
Weight
Fire
Acoustic
(mm)
(mm)
(mm)
(kg/m2)
protection
isolation (dB)
80
1170
2520
24
TÜV cert. EN-1047
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Figure 14 – Smart Shelter Wall Panel Specifications
Figure 15 – Tongue and Grove junction between panels
The union between panels is achieved by steel tabs. This steel joint provides:
A mechanical mounting between panels without the deformation of the tabs and joints. A perfect seal as the joint between panels is reinforced using sealants against water and fire on both sides of the panel
Figure 16 – Joints installed in a union between panels
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Portable Modular Data Centre - Guildford
Figure 17 – Wall panels during manufacture
Panels are joined via an AST designed tongue and groove joint which permits mechanical continuity between panels, and maintains thermal and water resistance requirements.
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Portable Modular Data Centre - Guildford 2.6.2.2 Ceiling Panels Ceiling panels are installed horizontally with special profiles along its perimeter, and are composed of a sandwich of materials to provide a standards compliant watertight enclosure with high temperature resistance.
The ceiling panels have the following specifications:
Use
Ceiling
Thickness
Width
Height
Weight
Fire
Acoustic
(mm)
(mm)
(mm)
(kg/m2)
protection
isolation (dB)
80
1170
2120
24
TÜV certificate.
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EN-1047
Figure 18 – Smart Shelter Ceiling Panel Specifications
2.6.2.3 Floor Panels Special floor panel have been designed for specific protection, avoiding any water or fire intrusion. The flooring panels have the following specifications:
Use
Floor
Thickness
Width
Height
Weight
(mm)
(mm)
(mm)
(kg/m2)
60
1170
2120
21
Fire protection
Acoustic isolation (dB)
TÜV certificate EN-1047
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Figure 19 – Smart Shelter Floor Panel Specifications
Aluminium sheets have been installed as a floor covering, with the following features:
4 mm thickness - Weight 8050 g/m2 Corrugated finish to mitigate slippage. Fully earthed externally to allow for electrostatic discharge Complies with EN 685/EN 649 34-43
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Portable Modular Data Centre - Guildford
Figure 20 - Aluminium Floor installed in PMDC IT Pod
Additional aluminium plates have been fitted to level the floor in both the IT and Services Pods with the door hobs, as required under the BCA. In the IT Pod, This is removable to allow the racks to slide forward.
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Portable Modular Data Centre - Guildford
Figure 21- IT Pod Hob Levelling Aluminium Plate
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Portable Modular Data Centre - Guildford 2.6.2.4 Pod Access Doors In accordance with standard EN 1047, Data Centre access doors are required to provide high tensile resistance. The outer door frame is made of posts of steel joined by a continuous weld. The top frame is made of closed section steel crossbar, with reinforcement against impacts during handling. The lower frame of the door is similarly constructed. The door is constructed of the same insulating materials as the walls of the Smart Shelter. The Smart Shelter doors have the following specifications: Nº of Doors
Sheets
1
1
1
1
Galvanized
Thickness
Width
Height
Fire
Frame (mm)
(mm)
(mm)
(mm)
Protection
120
1100
2300
110
1100
2300
1,2 at double face 1,2 at double face
Type
TÜV cert.
Main &
EN 1047
Emergency
TÜV cert.
Main &
EN 1047
Emergency
Figure 22 – Smart Shelter Door Specifications
Each door has the following features:
Key locks. All keys on doors are keyed the same. Door lever action handle to allow fast and easy egress from the container, as required to meet Australian Standards, even if the doors are locked externally. Electromagnetic lock to allow for the installation of a remote access control system. Self-closing system. Removable Aluminium plates in line with the door hobs have been installed at each door, to ensure that the hob and the floor at entry are level, as required by the BCA.
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Figure 23 – Smart Shelter Door
To ensure isolation and insulation when the door is closed, a series of weather strips (Neoprene Closed Cell foam strips, material specification UK 421, Polymer EPDM-CR-SBR) have been installed in the door frames to mitigate the entry of dust, water and fire. Further information on the specifications of these strips can be found in the “Westrac PMDC – Certificate of Conformity – Closed Cell foam strip Neoprene.pdf” that accompanies this document.
2.6.2.5 Enclosure Access Doors There are two main compound entry doors in the enclosure surrounding the PMDC. These doors have been upgraded with push bar action egress of type Kara Ed22 Series rim exit device, and level action ingress mechanisms. Externally, the doors have been fitted with a standard barrel lock and key. It is expected that in time WesTrac will replace the standard barrel locks with an Abloy system, with the same keying as the access doors into the PMDC.
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Portable Modular Data Centre - Guildford 2.6.2.6 Cable Glands Cable Glands have been installed to allow cables to enter the Smart Shelter enclosure, whilst maintaining the fire and water protection is required. The cable glands are configurable to adapt to different numbers and dimensions of cables or tubes.
Figure 24 – Cable gland scheme
The glands are fitted inside the wall structure of the Smart Shelter using a fitted, galvanized steel frame on the inside and outside of the enclosure. The cable glands are installed with modules that match the size and number of the required cables or pipes. Environmental sealing is provided by the adaptable modules and a compression unit. The cable glands meet the following specifications:
Fire protection, as required by the EN1047-2 standard. Water protection to the IP67 level of European standard EN 60529. Designed according to TIA-942 standard.
The following Table details the location of the cable glands installed in the Westrac PMDC: Purpose
Description
Location
Power
Power cabling
Close to switch board
Data
Data cabling
Between UPS and racks, at the top
Data
Data cabling
Close to switch board
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Purpose
Description
Location
Drainage
Air conditioning and humidifier drainage, water input for humidifier and earth connection
Between switch board and racks, at the bottom
Piping
Air conditioning piping and power cabling
Above UPS battery switches
Piping
Air conditioning piping and power cabling
Above the switch board
Figure 25 – Roxtec type and location
2.6.2.7 Fire Grills Fire melting grills (type CV1 from RF Technologies) have been installed on the air intake and outtakes. In the event of a fire, these grilles melt and form an RF60 screen that assists in preventing fire getting inside the air conditioning duct.
Figure 26 – Fire grill made of intumescent material
The fire grills have the following features:
Structure and lamellas are made with intumescent material The grill is made of horizontally placed lamellas. In the event of a fire, the intumescent material seals the opening by swelling and provides fire resistance of 1 hour (RF60 min). All installed materials are non-combustible according to levels established by ISO 1182 standard. Designed according to TIA 942 standard.
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Figure 27 – Fire Grill
The dimensions of the fire installed grills are 200 mm wide by 200 mm high.
2.6.2.8 Overpressure Valves The overpressure valves serve to reduce pressure in the room in the event of fire suppression gas release. This passively actuated valve reacts by opening instantly, and discharging overpressure, which is necessary to prevent increasing the pressure inside the container to the point of structural containment failure. In addition to the overpressure function, the valves provide equalisation of pressure between the inside and outside of the container. The system is composed of an overpressure dumper and slats constructed of 5 mm aluminium.
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Figure 28 – Overpressure valve of the IT POD
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Figure 29 – Overpressure valve design
There are two overpressure valves installed located on the outside of the fire intumescent grills. Their dimensions are: Width
mm
200
Height
mm
200
Figure 30 – Fire dumpers dimensions
These fire dumpers are designed to meet the following standards: IBM Australia | Westrac PMDC – Guildford, Perth.
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TIA 942 standard
DIN-4102 standard (fire resistance of 90 minutes)
ISO 1182 standard.
2.6.3 Ventilation System External air ventilation has been installed in both the IT and Services Pod, to comply with the requirements of AS1668.2. In the Services Pod, the ventilation serves also to vent gas discharge from the UPS batteries, to remove the risk of explosion due to gas build-up. As part of the ventilation installation, three penetrations have been made into the IT and Services Pods as follows:
One in the IT Pod Two in the Services Pod
The ventilation in the IT Pod runs in demand, and is activated once the light in the IT Pod is turned on. The ventilation in the Services Pod runs constantly, to provide ventilation for the UPS batteries. The ventilation systems are controlled by separate switchboards located in the Pump Room. To comply with AU standards for penetrations in fire rated structures, intumescent fire dampers have been installed in these openings. These fire dampers have been installed in compliance with the requirements for the Bullock Intumescent Fire Damper Model 990. The Bullock Intumescent Fire Damper has been tested and complies with AU standards and certified to AS1682.1-1990 by the CSIRO in:
Masonry walls Concrete slabs Steel stud plasterboard partitions Non loadbearing vent shaft partitions
The following diagram provides a structural schematic of the damper installation:
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Figure 31 - Structural Schematic - Intumescent Fire Dampers
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Portable Modular Data Centre - Guildford The following summarises the features of the installed ventilation system in the IT Pod:
Figure 32 - Ventilation - IT Pod
Bullock Prefco Model 5020-1 motorized smoke/fire damper installed on the inlet side of the system. The damper motor is a Belimo fire spring return motor rated at 28 seconds to close. The motorized smoke damper and fan is interlocked with the fire panel to shut down the system in the event of a VESDA pre action alarm (level 1 alarm). The VESDA pre action alarm has a 30 second delay before the fire suppression is activated (level 2 alarm) Utilizes the existing barometric damper and intumescent damper as the exhaust path. The ventilation system has been interlocked with the light switch to run only during occupancy. The control panel is fitted with a. alarm output and indicator light, in the event of low air flow.
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Portable Modular Data Centre - Guildford The following summarises the features of the installed ventilation system in the Services Pod:
Figure 33 - Ventilation - Services Pod
Bullock Prefco Model 5020-1 motorized smoke/fire damper installed on the inlet side of the system. The damper motor is a Belimo fire spring return motor rated at 28 seconds to close. The motorized smoke damper and fan is interlocked with the fire panel to shut down the system in the event of a VESDA pre action alarm (level 1 alarm). The VESDA pre action alarm has a 30 second delay before the fire suppression is activated (level 2 alarm). A new barometric damper and intumescent damper have been installed as the exhaust path. The existing barometric and intumescent damper has been left in place The control panel is fitted with an alarm output and indicator light, in the event of low air flow.
It should be noted, that the construction method used in this application has not been tested and certified – there are no Australian manufacturers that supply fire dampers certified for the use in insulated sea container. Further Details on the design and specification of the ventilation system is included in the artefacts that accompany this document.
2.6.4 Smart Shelter Specifications The Smart Shelter enclosure in its entirety as deployed in the Westrac PMDC (comprised of walls, corners, joints, doors and cable glands), has the following specifications:
All materials are classified as non-combustible as specified in the ISO 1182 standard. Maximum thickness of walls and ceiling covering should not exceed 82 mm with a maximum weight of 24 kg/m2.
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An insulating base panel with a maximum thickness of 62 mm and able to support 2500 kg/m2 is provided. The objective of this base is to provide isolation from the concrete surfaces below the container floor, providing protection against fire and thermal stability to computer room. In the event of an external fire, Smart shelter is designed to remain under average levels of temperature inside, in compliance with the EN1047-2 standard. Under test conditions specified in the fire curves of the EN-1047 standard, the structure shall remain water and air tight for 60 minutes and no fire residue or gases can be detected inside the structure. This standard also dictates that for a 60 minute exposure to fire, the maximum internal temperature should not exceed 70ºC. A proven test with the according certified documentation shall be provided by an international accredited certification company. Optimal conditions of mechanical stability are provided for 60 minutes as required under test conditions detailed by the fire curves in the EN-1047 standard.
Figure 34 – Mechanical stability in Smart Shelter Products
All Smart Shelter materials and insulation are non-combustible according to levels established by ISO 1182 standard. Thermal isolation is at least of 0, 42 W/m2 K to save energy in computer room. The Smart Shelter Enclosure provides a minimum acoustic insulation of 31dB within a range between 100 Hz and 4 kHz.
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Figure 35 – Sound reduction in Smart Shelter products
The entire structure provides a minimum protection of 20dB against external or environmental electromagnetic complying with European standard EN 61000-4-3. Provides protection against water according to the IPx5 level, as detailed in European standard EN 60529. The entire shelter is designed and constructed according to the TIA-942 standard. Doors are designed according to the WK4 level of the EN1627 standard, which implies a high protection against intrusion. Smart Shelter also allows two similar containers to be joined together without internal wall separation, optimizing space availability. Note that external structure joining panels require that there is a maximum distance of 50mm between containers. The R-value is a measure of insulation's heat loss retardation under specified test conditions. The primary mode of heat transfer impeded by insulation is conduction but unavoidably it also impedes heat loss by all three heat transfer modes: conduction, convection, and radiation. The primary means of heat loss across an uninsulated air-filled space is natural convection, which occurs due to changes in air density with temperature. Insulation greatly retards natural convection making the primary mode of heat transfer conduction. Porous insulations accomplish this by trapping air so that significant convective heat loss is eliminated leaving only conduction and minor radiation transfer. The primary role of such insulation is to make the thermal conductivity of the insulation that of trapped, stagnant air. However this cannot be realized fully because the glass wool or foam is needed to prevent convection increases the heat conduction compared to that of still air. The minor radiated heat transfer is minimized by having many surfaces interrupting a "clear view" between the inner and outer surfaces of the insulation IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford much as visible light is interrupted from passing through porous materials. Such multiple surfaces are abundant in batting and porous foam. Radiation is also minimized by low emissivity (highly reflective) exterior surfaces such as aluminium foil. Lower thermal conductivity, or higher R-values, can be achieved by replacing air with argon when practical such as within special closed-pore foam insulation because argon has a lower thermal conductivity than air. The RValues for the various structural components of the PMDC is shown in the following table: Component
Walls and Ceiling
Floor
Inside Air Film
0.03
0.03
Outside Air Film (in winter)
0.04
0.04
Rockwool Panel (60 mm)
N/A
1.5
Rockwool Panel (80 mm)
2.05
N/A
Wood
N/A
0.91
Steel Deck
N/A
N/A
TOTALS
2.12
2.48
Combined 0.98 0.17 2.05 (60 and 80 mm) N/A N/A 0.00 3.14
Table 1 - Smart Shelter R-Values
2.7 Anchoring Points There are 8 anchoring points on each container - 4 on the top and 4 on the bottom
2.8 Painting The paint used has the following characteristics:
Abrasive treatment to obtain level SA 2,5 Outside: primer Epoxy 70 uc, acrylic finishing 120 uc, logos painting Interior: primer Epoxy 90 uc Base: bituminous painting 180 uc.
2.9 Rack Cabinets Four 42 RU, 19 inch equipment racks have been installed inside the PMDC. The following diagram provides an overview of the rack structure:
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Flexible cable management chain conduit
Cable Trays
Dimensions of these Racks are as follows: Width
mm
600
Depth
mm
900
Height
mm
2000
Figure 37 – 42 RU Equipment Rack Dimensions
These are Rack 1, Rack 5, Rack 6 and Rack 8. These racks provide the following:
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Standard supports for 19” systems, with frames of 8.3mm on the front, with a vertical separation of 1 RU (44.45mm) (1U). Side panels are available between the racks if required for separation (though not installed in this facility). Panels have welded M4 copper bolts which are used to provide an earth connection. Panels are constructed of 1.5mm steel sheeting, of DC01 type. Cable management is run from the rear of the rack via a flexible cable management chain. All racks have a cable tray mounted vertically on the inside of each side of the rack. These trays can be used to duct power and data cabling. PDUs are installed on the rear of the racks, one at each side. No back doors have been provided for these racks as they impede egress and ingress to the rear rack area. Two RDHx (Rear door heat exchanger) racks were originally installed (and have had the cooling equipment subsequently removed at the request of the customer) on Racks 4 and 7.
Two IBM 7014 T42 Racks have additionally been installed. These are Rack 2 and Rack 3. Specifications are as follows:
Width
mm
623
Depth
mm
1147
Height
mm
2015
Capacity
U
42
Weight
kg
261
Max Weight
Kg
930
Figure 38 – Rack cabinet dimensions
These racks offer the following features:
Modular construction: Easy mounting, including all non-standard components – variable and integrated 19” increments. Forward thinking: Security for the future and flexibility with integration of 19” and metric technology. Ventilation flow: a large surface perforation (83% free surface) enables optimum airflow through the rack. Material: o
Rack structure: extruded aluminium
o
Corner pieces: die-cast aluminium IBM Australia | Westrac PMDC – Guildford, Perth.
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o
Covers: sheet steel, zinc-passivated
o
Doors: sheet steel, zinc-passivated
Installation dimensions according with IEC 60297 and IEC 60917. Space solution: 82% of the basic surface can be used as space for installation and cable routing Side panels and rear panels can be removed in seconds by releasing the quick-release fasteners to facilitate rapid assembly of components. Door opening angle of 180º. Finish colour: RAL 7035 Static load rating: 5000 N Tests according to: o
Vibration test: MIL-STD 810 E
o
IP test: IEC 60529
o
UL test: 1244
o
NEMA 12 Standard
o
EMC shielding attenuation: MIL-STD 285 and VG 95373 Part 15
o
Vibration and shock test: ETS 300019
o
Seismic test, Bellcore (NEBS): TR-NWT 000063 Zone 4
o
Earthing, DIN EN 60950
2.9.1 Rack Guide System All racks have been fitted to roll on guides to allow linear displacement. During normal operation, racks are placed in the centre of the room, optimizing the ventilation flow through the rack. When maintenance is required, racks can be easily moved to facilitate access. The rack guides are a linear bearing system manufactured by Rollon. Each rack guide system is composed by two rails placed over the floor, 4 sliders, and 2 plates which support the rack. The rack guide system has the following features:
Does not require a perfectly flat or parallel surface to be effective. Raceways on the inside of the rails are protected from bumps or shocks. Sliders are protected from debris and impurities with their incorporated spring-loaded wipers run inside of the rails.
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System is effectively maintenance free: Self-lubricating wipers continually apply a thin layer of lubrication to the system. This constant lubrication assures 2 million cycles before additional maintenance or substitution is required. High-speed operation: The installed sliders can operate up to 7 m/s. Silent operation level: The system offers a very low operation noise level, even when working with
Figure 39 - Rack Guide System
high loads and high speed.
C (N)
C0rad (N)
C0ac (N)
MX (Nm)
MY (Nm)
MZ (Nm)
12.280
5.500
1.570
23.6
60.0
104.5
Stoppers are installed in each rack in the front and rear plate. These allow locking the position for transport or normal operation. Rails are fixed with long screws to the Smart Shelter Container structural steel container floor, through the flooring panels, assuring a robust platform.
2.9.2 Flexible Cable Guides Flexible cable guides (E-Chains) have been installed in order to guarantee a perfect displacement of the cables during rack motion. This articulated, modular chain is a versatile and rugged system which allows for the natural movement of a rack whilst avoiding cable damage. The cables move effortlessly with the rack, avoiding cable stress, and reducing the risk of inadvertent disconnection. The chain is fixed on one end to the top of the equipment rack, and on the other to the cable trays attached to the Smart Shelter. IBM Australia | Westrac PMDC – Guildford, Perth.
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Figure 40 – Cable chain piece
The features of the cable chains are the following:
Articulated, easily extendible. Easily opened or closed on the right or left by hand. Opening mechanism accessible from above to allow access in confined spaces Excellent mechanical stability and long life due to durable design and materials The flame-retardant characteristics of igumid G, as used in the E-Chains, can be described using the VDE 0304 parts 3-5.70 - classification llc. Igumid G has been tested according to the UL 94 "Standard Tests for Flammability of Plastic Materials for Parts in Devices and Appliances" and classification 94 HB. Additionally the material is compliance with DIN 4102 "Fire Behaviour of Building Materials and Parts" classification materials class B-2. Max Speed
m/s
20
Max Acceleration
m/s2
200
Temp Operation Range
ºC
-40 to +120
R (Bending Radii)
Mm
48
Max cable diameter
Mm
18
Power cabling chain Bi (Inner Width)
Mm
50
Ba (Outer Width)
Mm
63,5
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Data cabling chain Bi (Inner Width)
Mm
100
Ba (Outer Width)
Mm
113,5
Figure 41 – Cable chain technical specifications
Figure 42 – Flexible Cable Chain Overview
This cable chain solution has been used for power and data cabling in all racks. A power cable chain and a data cable chain has been installed in each rack, (excluding the first and second racks used for communications purposes which have two data cable chain instead of one). Note that power and data cable are separated to reduce interference.
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Figure 43 – E-Chains for data cabling behind racks
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Portable Modular Data Centre - Guildford 2.10 Cable Trays All data and power cables have been installed in cable trays. These trays have been placed behind the racks – all data and electrical cables have been installed with sufficient separation to avoid electromagnetic interferences between them.
Figure 44 - IT Pod Cable Trays
The installed cable trays comply with the following standards: UNE-EN 61537 and DIN 4102-12 for 90 minutes fire resistance. UNE-EN 60243 related to required security in electrical installations. UL – CYNW E305934 which specifies that there be no electrical discharge, fire risk or any danger associated of the system. Treatment with an electro-galvanized bi-chromate according to UNE 112-050 ISO 4520 for corrosion protection.
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Portable Modular Data Centre - Guildford 2.11 Hearing Protection Station A hearing protection station and appropriate signage has been provided as part of this installation. This station provides ear plus that attenuate noise to below 85 dBA. It should be noted that at the time of installation, the sound levels within the IT and Services Pod did not exceed this level, but may do in the future depending on the equipment WesTrac choose to install. The station complies with requirements stated under the AS/NZS 1270:1999 acoustic and hearing protection standard.
2.12 Access Control The access control to the PMDC is controlled by a network-based biometric access system. This corresponds to a Hectrix Actatek2. This system is composed by a control panel and a fingerprint scanner located outside the PMDC next to both doors. The system is connected to the LAN network, thus the system is accessed via software and the data is registered and administrated centrally. A log file warrants traceability.
Figure 45 – Access control Actatek2
The system is able to give access via keyboard taping the user code and the password or directly scanning the fingerprint. The main features of the device are:
Exchange of Information Between Devices (Primary / Secondary ) Static IP Address Assignment IBM Australia | Westrac PMDC – Guildford, Perth.
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Support existing DHCP Server Operating Temperature: 0ºC - 60ºC Disk on Chip G4 Memory 128 MB Maximum Users 30,000 Users Weatherproof Casing Expansion Serial / RS232 / RS485 Network Interface 10 BaseT Ethernet Safety Standard CE, FCC, IP65 Case IP65 fluid ingress, dust, salt, fog, protection Dimensions: Product Dimension 215 x 110 x 72 (mm)
Once the control panel authorizes a user to enter, it sends a signal to the electromagnetic lock which releases and then the user is able to open the door. The electromagnetic lock used is a Klesco Model 827-44 with the following features:
Power feed: 12 / 24 VDC Consumption: 500 mA / 250 mA Retention force: 2500 N (250 kg)
Figure 46 Door Locking Mechanism
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2.13 Structural Reference Material The following reference materials accompany this document electronically as part of the PMDC documentation package – relative folders these are located in are specified in the headings of each table. Documentation\02 - Structural\Design Westrac PMDC - Site Layout and Dimensions.pdf Westrac PMDC - Site Plan View - East Elevation.pdf Westrac PMDC - IT POD Plan View Detail.pdf Westrac PMDC - Mechanical Services POD Plan View Detail.pdf Westrac PMDC - Smart Shelter Door Design Schematics.pdf Westrac PMDC - Smart Shelter Positioning and levelling Guide.ppt WesTrac PMDC - Structural Hydraulic and Electrical Diagrams Consolidated.pdf Westrac PMDC - Ventilation System Schematics M01 - M06.dwg Westrac PMDC - Electrical Schematics - IT Pod Fan Control J500395B-E-003.dwg Westrac PMDC - Electrical Schematics - Services Pod Fan Control J500395B-E-004.dwg Westrac PMDC - - Plumbing Installation Hand Drawn Schematics.pdf Westrac PMDC - Original Structural Hydraulic and Electrical Diagrams Consolidated CAD.zip Westrac PMDC - Original Structural Hydraulic and Electrical Diagrams Consolidated.pdf Westrac PMDC - Site Satellite Image of Electrical Conduit Location.bmp
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Documentation\02 - Structural \Product Specifications and Manuals Westrac PMDC - Certificate of Conformity - Smart Shelter Door Certificate - a.2.5 French.pdf Westrac PMDC - Certificate of Conformity - Smart Shelter Door Certificate - a.2.7 French.pdf Westrac PMDC - AP Armaflex Insulation Technical Specifications.pdf Westrac PMDC - Certificate of Conformity - Smart Shelter Door Certificate - a.2.5 French.pdf Westrac PMDC - Certificate of Conformity - Smart Shelter Door Certificate - a.2.7 French.pdf Westrac PMDC - Certificate of Conformity - Smart Shelter Fire Resistance Test Overview - a.6.2.1.pdf Westrac PMDC - Certificate of Conformity - 120 mins Panel Fire Resistance Certificate - a.6.2.1.pdf Westrac PMDC - Certificate of Conformity - Australian_National_Codification_Bureau_Certification.pdf pdf Westrac PMDC - Certificate of Conformity - Cable Gland Roxtec Fire Resistance Certificate - a.2.4.1. .pdf Westrac PMDC - Certificate of Conformity - Cable Gland Roxtec Lloyds Certificate of Fire Approval- 2.4.2.pdf Westrac PMDC - Certificate of Conformity - Cable Gland Roxtec SITAC Certificate of Fire Approval- 2.4.2.pdf Westrac PMDC - Certificate of Conformity - Cable Gland Roxtec Water Test EN60529 IP67 - a.2.4.3.pdf Westrac PMDC - Certificate of Conformity - EN1047-2 6.2.4.pdf Westrac PMDC - Certificate of Conformity - Rockwool Peninsular Insulation.pdf Westrac PMDC - Certificate of Conformity - Sealants Fire Resistance Certificate - a.2.3.pdf Westrac PMDC - Certificate of Conformity - Smart Shelter Panel.pdf
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Documentation\02 - Structural \Product Specifications and Manuals Westrac PMDC - Certificate of Conformity - Smart Shelter Water Test Certificate EN60529 IP67 - a.2.2.pdf Westrac PMDC - Certificate of Conformity -Closed Cell foam strip Neoprene.pdf Westrac PMDC - Roxtec SRC Installation Overview.pdf Westrac PMDC - Schako Pressure Operated Shutter UEK-U Technical Specifications.pdf Westrac PMDC - Sika Boom Expansive foam - Technical Specifications .pdf Westrac PMDC - Bullock Model_6700 Air Volume Control Damper Specifications.pdf Westrac PMDC - Fantech TD-250_100 Specifications.pdf Westrac PMDC - Johndec Eng CHEM125 Centrifugal Plastic Fan.pdf Westrac PMDC - Stock and Farrell Door Locks Brochure.pdf Westrac PMDC - Kara ED22 Series Egress Door Specifications.docx Westrac PMDC - Bullock Model_9900M Intumescent Damper installation.pdf Westrac PMDC - Bullock Model_9900 Fire Damper Specifications.pdf Westrac PMDC - Certificate of Conformity - Lorient Intumescent Sealant.pdf Westrac PMDC - Lorient Intumescent Mastic Sealant Specifications.pdf Westrac PMDC - MSDS - Lorient Sealant.pdf Westrac PMDC - Certificate of Conformity - SW Hart and Co F6 V100 Filters.pdf Westrac PMDC - Fantech PFL and PDL Barometric Louvres Specifications.pdf Westrac PMDC - Mineral_Wool_Slab_TDS90 Technical Data Sheets.pdf IBM Australia | Westrac PMDC – Guildford, Perth.
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Documentation\02 - Structural \Product Specifications and Manuals Westrac PMDC - MSDS - FI Industrial Bonded Products.pdf Westrac PMDC - Certificate of Conformity - Hilti CP660 SFC 22441-00B.pdf
Documentation\02 - Structural\Commissioning Reports Westrac PMDC - DA Approval 310510.pdf Fairlight Enterprises AST - Smart Shelter Building Code of Australia Certification Report.pdf Westrac PMDC - Product Model Serial Number and Compliance Register 210812.xls
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3
Electrical System
The electrical system as deployed in the Westrac PMDC is comprised of the following components:
Services Pod Main switchboard IT Pod Main Switchboard Air Conditioning supply Lighting supply Fire suppression system supply Humidifier supply UPS / UPS by-pass IT equipment supply A IT equipment supply B redundancy EPO
3.1 Cabling The vast majority of electrical cabling in the facility is made up of the following cable types:
Olex X-90 VERSOLEX 0.6/1 kv (Orange Sheath) General Cables Exzhellent – XXI RZI-K 0.6/1 kv (Green Sheath) General Cables Exzhellent – 92-3 (Green Sheath)
All these cables meet or exceed requirements under Australian standards for UV and weather resistance, fire resistance, and smoke, fume, and acid gas emissions. Cabling also complies with international Low Voltage Regulations and the EN-61008-1, EN-61009-1 and EN60730-2-7 standards. Specification sheets for these cables are included in the artefacts supplied with this document. The electrical cabling and distribution the IT Pod is redundant. The following power cabling is installed in the PMDC:
Cabling connection for UPS inlet, outlet and external bypass (P+N+G) Cabling connection for Air Conditioning (P+N+G) Cabling connection for Humidifier (P+N+G) Cabling connection for Fire Protection System (P+N+G) Cabling connection for Monitoring System (P+N+G) ling connection for Access Controls (P+N+G) Cabling connection for Lighting (P+N+G) Cabling connection for Emergency Lighting (P+N+G) Cabling connection for rack plugstrips (P+N+G) IBM Australia | Westrac PMDC – Guildford, Perth.
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The high level diagram of the electrical installation in the PMDC is provided on the following page. More detailed drawings are contained within the artefacts that accompany this document.
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Figure 47 – PMDC High Level Electrical Schematic
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Portable Modular Data Centre - Guildford 3.2 Switchboards The IT Pod Main Switchboard is a Pope design, and is installed on the left hand side of the IT Pod entry. This board contains breakers for all IT Racks, UPS and air conditioning from the Services Pod. All breakers installed in the switchboard for GPOs and lighting are RCD protected, as required by the standard. All RCD protection for hardware is super immunized in order to protect electrical installation against deviations due to earth produced by equipment (EMI network filters), lighting, and low temperatures. Where necessary, plant related breakers for devices such as pumps and fans are not RCD protected, as the sensitivity afforded by these breakers is not desirable for this type of equipment. More information about this switchboard is included with the artefacts that accompany this document.
Figure 48 –IT Pod Main Switchboard
An additional switchboard of Schneider Electric design is installed within the Services Pod (known as the Services Pod Main Switchboard). This contains breakers for pumps, chillers, UPS mains and bypasses,
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Portable Modular Data Centre - Guildford and the Main Switch breaker, which is wired to the EPO. More information about this switchboard is included with the artefacts that accompany this document. The following photo shows the Services Pod Main switchboard.
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Figure 49 - Services Pod Main Switchboard.
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Portable Modular Data Centre - Guildford 3.3 Lightning Protection and Earthing. A Multiple earthed neutral (MEN) system has been installed in the PMDC, and designed by Nilsen to comply with AS/NZS 3000:2007 Section 5 – Earthing Arrangements and Earthing Conductors. A MEN system of earthing dictates that parts of an electrical installation required to be earthed in accordance with the Standard are connected together to form an equipotentially bonded network and this network is connected to both the neutral conductor of the supply system and the general mass of earth. Under the MEN system the neutral conductor of the distribution system is earthed at the source of supply, at regular intervals throughout the system and at each electrical installation connected to the system. Within the electrical installation, the earthing system is separated from the neutral conductor and is arranged for the connection of the exposed conductive parts of equipment. Components of the installed earthing system are as follows:
EP Bar – Installed on Services Pod for all equipotential bonds to connect to. Earth Rods - 2 x 19mm Earth Rods at opposite ends of the concrete pad connected to EP bar via a 70mm2 Earth. POD Enclosure - 25mm2 Earth around enclosure from both Earth Rods to Equipotentially Bond metal structure for enclosure around PODs ATS Switchboard - 95mm2 Earth connected to EP Bar. IT Pod Main Switchboard - 6mm2 Earths from IT Switchboard bonded to each equipment Rack IT Pod Frame – 70mm2 Earth connected to EP Bar. Services Pod Main Switchboard - 25mm2 Earth connected to EP Bar. Services Pod Frame – 70mm2 Earth connected to the EP BAR. UPS Battery Rack (each shelf) in Services Pod - 6mm2 Earth connected to EP Bar.
The single line diagram at the beginning of this section provides more information on where the earthing points are connected. The following photo shows the EP bar and connections as attached on the rear of the Services Pod.
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Figure 50 - EP bar and Earthing on Services Pod.
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Portable Modular Data Centre - Guildford 3.4 Main UPS A pair of EATON 9390 / 80 kVA UPSes has been installed in the Services Pod, providing the power protection for all the equipment in the IT Pod. Main features of the Eaton 9390 UPSes are:
Availability Dual mains input: Increases availability by allowing the UPS to be connected to two separate power sources. Adjustable voltage sensitivity: Provides the ability to adapt the UPS for optimal performance in specific power environments or generator applications. Frequency and voltage regulation: Gives higher application availability by correcting poor frequency and voltage conditions without using the battery. Generator compatible: Ensures clean, uninterrupted power to protected equipment when generator power is used. Parallel-capacity capable: Increases total power capacity by using multiple UPS’s simultaneously. Parallel-redundant capable: Power the connected equipment with multiple UPS’s to increase system redundancy Cold-start capable: Provides temporary battery power when the utility power is out. Manageability Network manageable: Provides remote management of the UPS over the network. Multiple distribution options: Superior design flexibility enables a wide range of customer requirements to be addressed. LCD graphics display: Text and mimic diagrams that display modes of operation, system parameters and alarms. LED status indicators: Quickly understand unit and power status with visual indicators
The UPS system provides protection from the following power disruptions:
Power failure Voltage sag Voltage spike Under-voltage (brownout) Over-voltage Line noise Frequency variation Switching transient Harmonic distortion
This is achieved by converting the AC current to a DC current. The DC current is inverted once again to a shaped AC current.
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Portable Modular Data Centre - Guildford The installation consists of four cabinets, one for each UPS, one for the main electrical cabinet and one for the battery cabinet. The main electrical cabinet contains input/output isolators and UPS bypass breakers to allow for bypassing of the load for UPS maintenance. Additional auxiliary isolators and equipment are also housed in the cabinet. The UPSes share the single battery cabinet, with each UPS attached to a string of 40 batteries, each string being isolated by insulating material. Batteries supplied are 2 x 40,12V 150 watt CSB model HRL12150W rated at 37Ah @ 20hr rate to 1.75V per cell. The batteries have been deployed on the basis that they can deliver the following autonomy (per UPS) Load
Power Factor
Load kW
Run Time
80 kVA
0.8
64kW
4.1 min
80 kVA
0.9
72kW
3.5 min
40 kVA
0.8
32kW
15.4 min
40 kVA
0.9
36 kW
12.4 min
Figure 51 - UPS Run Time Specifications
More detailed information can be found in the load test reports created on 22/12/11 which accompanies this document. The UPS system has been deployed in a load sharing manner, and as such the IT load should be distributed evenly between UPSes. At the time of deployment (Dec 2011), the load on the system was as follows: UPS A
Output - 9.7 kVA 7.2 kW Input - 12.5 kVA 11.8 kW
UPS B
Output - 8.2 kVA 6 kW Input - 11.3 kVA 11.1 kW
As a result WesTrac can expect greater autonomy from each UPS than provided by the above autonomy times. The batteries require 0.467 litres / second natural convection ventilation, which equates to a ventilation requirement in the services container of approximated 46.7 sq cm. Ventilation with a constant fan operation has been installed to meet this requirement.
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Portable Modular Data Centre - Guildford The UPSes are intended to maintain the power load until the deployed generator starts, and becomes ready. When the generator is ready to take the load (typically within 3 minutes), the ATS (Automatic Transfer Switch) will transfer the load to the generator, and back to mains power once it is restored. The diagram on the following page provides a simplified electrical diagram of the external bypass assemblies if the UPS. Further information can be found within the artefacts that accompany this document.
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Figure 52 - UPS Bypass Assembly Overview
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Portable Modular Data Centre - Guildford The internal switches located inside the main cabinet are shown in the following diagram:
Figure 53 – Internal switches in the main cabinet of the UPS installation
The battery cabinet contains five shelves, and has a maximum load rating of 200 Kg per shelf. Each shelf is on rollers, to allow for convenient access for servicing, and has useable dimensions of 740mm Wide by 730mm deep, with a maximum height (including required clearance) of 290mm. A Battery Breaker for each 40 battery string has been installed in the base of the cabinet. The Entire UPS cabinet and each shelf has been individually bonded to earth. The diagram on the following page provides an overview of how the batteries are deployed and connected.
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Figure 30 – UPS Battery Connection Schematic
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Portable Modular Data Centre - Guildford The main technical characteristics of each installed UPS are as follows: NOMINAL AC SUPPLY INPUT Nominal Input Voltage
400V 3PH
Input Frequency
45 - 65 Hz
Input Connections
Hard Wire 4-wire (3PH + G)
Input voltage range for main operations
323 - 437 (380V),340 - 460 (400V),353 - 477 (415V)V
Other Input Voltages
380,400,415
Maximum Input Current
228A
Input Breaker Capacity
125A
Input Total Harmonic Distortion
Less than 5% for full load
BATTERIES Battery Type
12V 150 watt CSB model HRL12150W rated at 37Ah @ 20hr rate to 1.75V per cell
Nominal Battery Voltage
500V
Output Power Capacity / Max Configurable Power
80 kVA
Nominal Output Voltage
400V 3PH
Efficiency at Full Load (1/2 Load)
93% (92%)
Output Voltage Distortion
Less than 2%
Output Frequency (sync to mains)
50 Hz,60 Hz
Crest Factor
3:1
Waveform Type
Sine wave
Output Voltage Tolerance
+/-1% static and +/- 5% at 100% load step
Output Voltage THD
< 1% linear load and < 2.5% nonlinear load
Required Output Current Protection (neutral)
125A
OUTPUT
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Internal Bypass (Automatic and Manual),Optional External Bypass
Bypass OVERALL EFFICIENCY Double conversion
Up to 95%
ENVIRONMENTAL CONDITIONS AND NOISE Operating Environment
0 - 40 °C
Operating Relative Humidity
0 - 95%
Operating Elevation
0 - 1.000 meters
Storage Temperature
-20 - 45 °C
Storage Relative Humidity
0 - 95%
Storage Elevation
0-12.000 meters
Audible noise at 1 meter from unit
63 dBA
Online Thermal Dissipation
25.489 BTU/hr.
DIMENSIONS Maximum Height
1.890 mm
Maximum Width
519 mm
Maximum Depth
808 mm Figure 54 – Main technical characteristics
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Portable Modular Data Centre - Guildford 3.5 Rackable UPS An Eaton Pulsar EX 1000 UPS has been installed in Rack 1 of the IT Pod. This UPS is CRITICAL to the operation of the entire facility, as it is the SOLE source of power for the EPO, Netbotz and security access panels.
Figure 55 - Rackable Eaton Pulsar EX 1000 UPS
This UPS provides power protection for:
Both Access control panels (IT & Services Pods) Monitoring system (Netbotz) EPO circuit
With this load, the batteries are expected to last for approximately 3 hours. This UPS MUST be monitored to ensure any disruptions to the power supply are picked up in enough time to allow support staff to attend site to identify the cause of the loss of power. The UPS is configured to shut down after approximately 75% of its lowest calculated autonomy time, to allow the UPS to maintain enough battery power to enable the EPO to be reenergised, and the PMDC turned on. For further information, refer to the section relating to the EPO in this document. NOTE: If the batteries go flat or there is a fault on this UPS that stops supply of power to the EPO, the PMDC CANNOT be powered up in the event of an EPO / Power shutdown, until this problem is resolved! The main specifications for the Eaton Pulsar EX 1000 UPS are contained in the following table:
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Figure 56 – Eaton EX 1000 UPS Specifications
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Portable Modular Data Centre - Guildford 3.6 ATS (Auto Transfer Switch) The ATS switchboard located in the north side of the PMDC compound provides termination for the mains and generator power supplies. Surge protection of type Transtector I2R for the mains is fitted to this switchboard. The ATS operates in conjunction with the UPS to ensure uninterrupted power to the IT Pod, by switching between the mains and generator power in the event of a power disruption. The system is configured to do this automatically, however the ability to manually switch the ATS has been provided. All of the operational switches have been moved from the inside to the outside of the switchboard, to prevent personnel from inadvertently touching live feeds that are present within the switchboard. There is a Perspex window which allows visibility of the breakers to easily determine whether the mains or generator supply is active. It should be noted that the chillers, controllers and pumps are not protected by the UPS. In the event that the generator does not take up the load within 3-4 minutes and mains power is still unavailable, IBM strongly recommends that all equipment in the IT Pod be manually shut down as soon as possible to prevent damage due to overheating. An EPO (Emergency Power Out) exists in the IT Pod that will initiate a power shutdown if the temperature in the room exceeds 55 degrees C, however it IS NOT recommended that the EPO be left to shut down the power in the event of overtemperature if it can be avoided, as this may cause data loss.
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Figure 57 - ATS Switchboard
The diagram on the following page provides the electrical schematic of the ATS (Auto Transfer Switch)
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Figure 58 – ATS Schematic
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Portable Modular Data Centre - Guildford 3.7 EPO (Emergency Power Off) EPO (Emergency Power off) is a safety feature intended to power down the entire installation from a single point in an emergency to protect personnel and equipment. Some of the causes requiring EPO activation include fire, flood, equipment overheating due to HVAC failure, etc. In case of an emergency, it may not be possible to access the main disconnect device on the equipment leaving EPO as the only means to power down the equipment. As the PMDC is equipped with multiple breakers, these would all need to be tripped to power down the entire installation. Consequently, international safety agencies have mandated requirements to have one central means of disconnecting power. The EPO is typically used either by fire fighting personnel or by equipment operators. When used by firemen, it is used to assure that equipment is de-energized during fire fighting so that firemen are not subjected to shock hazards, and eliminating electricity as a source of energy feeding combustion. When used by equipment operators, it is used to turn off equipment from a safe distance - this may be desirable if equipment is emitting smoke, fire, or fumes. Also, an operator may use EPO to stop power if another person is being electrocuted. There is a large cost associated with abruptly shutting down a data centre. As such, the EPO has been designed that such accidental shut downs are minimized. The key functional component of the EPO is a relay which is located at the top of the Services Pod Switchboard. When the EPO is activated, the relay will perform the following: Trip the following breakers in the Services Pod Main Switchboard:
“To UPS A” “To UPS B” “MCB” (Main Switch circuit breaker, located under the RHS door of the switchboard).
Trip the following breakers in the IT Pod Main Switchboard
“UPS A Output DB” “UPS B Output DB” “Fancoils” “UPS A RACKS” “UPS B RACKS”
NOTE: The EPO defaults to a "KEEP ALL BREAKERS SWITCHED OFF" state when it operates - which means it will continually trip the breakers if the EPO is not energised - this will PREVENT the PMDC from being repowered. As such, the rack UPS in the IT Pod, MUST have charge in it to start up, or the breakers will continue to trip. IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford To mitigate the issue of batteries in the rack UPS going flat, and not powering the EPO, the UPS is configured to shut down the UPS after approximately 75% of the lowest estimate of maximum autonomy time (3 hours, as installed). This will work in conjunction with an alert stating the UPS has gone on to battery power, and allow support personnel time to investigate the problem before the UPS shuts down. NOTE: It is CRITICAL that this UPS is monitored at all times, and any alerts relating to interruption of power are actioned promptly! Either the 2 push-buttons or the 3 temperature sensors will open the EPO circuit, leaving the relay unpowered. When the relay loses power, its contacts will change state and the equipment will interpret this signal change as a POWER OFF order. As mentioned earlier, until the EPO is repowered, it will prevent any breakers being reenergised. The temperature sensors are controlled by a device located in the switch board of each Pod. As mentioned previously, the alarm temperature can be modified. Original deployed setting is 70ºC – this has been subsequently reset to 55ºC, to minimize equipment damage. The EPO is connected to the UPS located in Rack1 in the IT Pod, to ensure it can be operated in the unlikely event of a total power failure to the IT Pod. The UPS has a maximum of 3 hours autonomy. Electrical schematics for the EPO are included with the artefacts that accompany this document. The appearance of the temperature sensors is as per the following photo:
Figure 59 – EPO Temperature Sensor
The following image shows the EPO temperature sensor controller:
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Figure 60 – EPO Temperature Sensor Controller
The following diagram represents a high level schematic of the EPO:
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Portable Modular Data Centre - Guildford The following photo shows the appearance of the main EPO Relay. Further information on the operation of the EPO is included with reference material that accompanies this document.
Figure 61 - EPO Main Relay
Power restart procedures for the PMDC are located in the Operations Manual that accompanies this document.
3.8 Lighting The human eye will adapt to an enormous range of illumination levels. The untrained eye cannot easily detect a 20% change in illumination levels. In a general office or home environment we read under levels ranging from 50 lux to 1000 lux. We can also read at night on the railway station platform with only 15 lux and conversely outside on a sunny day in illumination levels of 100,000 to 150,000 lux. However there is an optimum level which will produce the greatest "task efficiency" with the lowest practical illumination level. To ascertain the 'correct' illumination level for any given task extensive research has been carried out comparing various illumination levels with a person's task efficiency or work output under the different illumination levels. The results of these studies are the basis of the Australian/New Zealand Standard for Interior Lighting AS/NZS 1680 series. The illumination levels recommended in this standard are the minimum recommended illumination levels to be maintained that will permit consistently high task efficiency with comfortable intensity levels. IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford It is worthy of note that the highest recommended illumination level in the Interior Lighting Standard is 1600 lux, which is recommended for minute instrument workings inspection such as watch making. The key standards are:
AS1680.1-2006, ‘Interior and workplace lighting - general principles and recommendations’ AS/NZS 1680.2 series, ‘Interior and workplace lighting - specific applications’
In May of 2006 the Australian Government introduced a mandatory section for maximum energy requirements in new buildings through the Building Code of Australia. The particular reference to lighting is in Section J6 and details the maximum values of lumens per watt (lm/w) and watts per square metre (w/m2) allowable for certain building classes and tasks performed. The Deemed-to-Satisfy provisions are based on a maximum power density for different lighting tasks. The requirements of the code do not apply to artificial lighting used for the purposes listed in J6.2 (d) i.e.
Emergency Lighting in accordance with part E4 Signage and Display lighting within cabinets and display cases Safe movement in accordance with part F4.4 Accommodation and Residential section of a detention centre Bathroom heating Lighting of theatrical or musical performances The permanent display and preservation of works of art or objects in a museum or gallery but not for retail Specialist processes (e.g. theatre, sport, fume cupboard, or operating theatre) lighting.
Again, facilities such as the PMDC are not explicitly covered by the BCA. It could be logically argued that the PMDC does in fact provide “specialist processes” under the BCA. Additionally, the fact no natural lighting is provided in the PMDC necessitates the provision of more lights to enable tasks to be performed safely, which increases the illumination power density, and makes it more difficult to meet the cap levels stated in the BCA. Illumination Power Density (IPD) is defined as watts /m2 (lamp wattage and control gear losses included). The table below provides values for illumination power density for common building types: Maximum
Space
Illumination
Power Density (W/m2) Entry Lobby
15
Factory, Industrial Tasks and processes
17
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Maximum
Space
Illumination
Power Density (W/m2) Laboratory
15
Office – artificially lit to an ambient level > 200 lux
10 (7 if <200 lux)
Restaurant, café, bar or hotel
20
Retail space
25
School or general purpose learning area
10
Storage shelving height > 75% aisle lighting height
10 (8 if <75%)
Service area, locker, rest and cleaning rooms
3
Figure 62 - Illumination Power Density for common building classes
IBM has installed the lighting system in the PMDC IT Pod as follows:
All light fittings are LEDs with diffusing grilles and longitudinal reflectors for each tube. Lighting activation is performed by a single switch near the front door. Lux levels are in the order of 100 lux in front of the racks, and 900 to 1200 lux behind the racks, where more delicate and potentially dangerous work is performed.
At the front of the IT Pod, equipment racks, the following lighting has been installed:
2 x 18W fittings, with 2 x 11W LED tubes each, a total of 46W with allowance for 2W of loss. 1 x 36W fitting, with 2 x 20W LED tubes each, a total of 42W with allowance for 2W of loss.
At the rear of the IT Pod, equipment racks, the following lighting has been installed:
2 x 18W fittings, with 2 x 11W LED tubes each , a total of 46W with allowance for 2W of loss. 4x 36W fittings, with 2 x 20W LED tubes each, a total of 162W with allowance for 2W of loss.
Thus, the total lighting capacity provided for the IT Pod - LIGHT = 296W. The total floor area of the IT Pod is L: 5.647m X W: 2.160m - AREA = 12.2m2 To calculate the illumination power density of the IT Pod, formula is LIGHT / AREA = DENSITY W/m2.
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Portable Modular Data Centre - Guildford As such IT POD DENSITY = 296 / 12.2 = 24.26/m2 - this EXCEEDS BCA requirement for a building classification of 8, which is specified as no more than 12W/m2. Note, that even if one of the approved adjustment factors is applied, the facility still will not come close to applying. To strictly meet the criteria stated in the BCA, a maximum of 146.5W of lighting must be installed. The PMDC does NOT comply with this energy efficiency standard, due to the following:
The racks and cooling units in the centre of the room effectively divide the room into two. There is no light transference from the front of the rack to the rear. The facility is only occupied during maintenance windows. The only time lighting is on, is when maintenance is being carried out on hosted equipment. A high level of light is required when working at the rear of the racks, due to health and safety issues. By its very nature, this work involves work with energised equipment, which often have specific warnings on them that must be clearly visible. There can be no shadows. It is not practical or safe to use motion sensors to control lighting. Due to space constrictions, unless there is a high number of a sensor s, it is possible that movement can be obstructed by racks in certain positions. As there is no natural light in the container this poses a significant safety risk.
IBM has installed the lighting system in the PMDC Services Pod as follows:
All light fittings are fluorescent, with diffusing grilles and longitudinal reflectors for each tube. Lighting activation is performed by a single switch near the front door. Lux levels are in the order of 100 lux. It is not expected that any works in this room will be performed in the night or evening.
In the Services Pod, the following lighting has been installed:
2 x 18W fittings, 2 tubes each, a total of 80W with allowance for 2W of loss. 1 x 26W fitting, 2 tubes, a total of 56W with allowance for 2W of loss.
Thus, the total lighting capacity provided for the Services Pod - LIGHT = 136W. The total floor area of the Services Pod is L: 2.270m X W: 2.525m - AREA = 5.7 W/m2 To calculate the illumination power density of the Services Pod, formula is LIGHT / AREA = DENSITY W/m2. As such Services POD DENSITY = 136 / 5.7 = 23.7/m2 - this EXCEEDS BCA requirement for a building classification of 8, which is specified as no more than 12W/m2. Note, that even if one of the approved adjustment factors is applied, the facility still will not come close to applying. To strictly meet the criteria stated in the BCA, a maximum of 70W of lighting only can only be installed in the Services Pod. IBM again has not complied with this energy efficient standard, due to the same caveats noted for the IT Pod. IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford 3.8.1 Emergency Lighting Emergency lighting and signage has been installed in both the Services and IT Pods, and also in the surrounding compound fence. In the IT Pod the following Emergency Lighting is installed:
One 9W unit installed above the Exit door, which has 1 hour autonomy. Two additional 10W lights – one in front and one behind the IT Racks, with an autonomy >90 minutes. One 10W Emergency Exit sign near the Exit door, with an autonomy >90 minutes.
In the Services Pod the following Emergency Lighting is installed:
One 9W unit installed above the Exit door, which has 1 hour autonomy. One additional 10W lights – in the middle of the room, with an autonomy >90 minutes. One 10W Emergency Exit sign near the Exit door, with an autonomy >90 minutes.
The photo below shows one of the emergency lights installed in the IT Pod.
Figure 63 - Emergency Light - Thomas & Betts type.
Data sheets and specifications for the above emergency lighting are included with the artefacts that accompany this document.
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Portable Modular Data Centre - Guildford Emergency lighting is exempt from any BCA Power density requirements. It is MANDATORY under Australian standards, that emergency lighting is tested at least every 6 months. Lighting must be capable of running for 90 minutes prior to re-energisation. IBM recommends that WesTrac keep a log to record when the lighting has been tested, and verify lights correctly operate for the 90 minute minimum. A circuit breaker has been installed marked “Emergency Lighting” in the IT Pod Main Switchboard to allow for emergency light testing without affecting operation of any other system in the facility.
3.9 Rack PDU and Receptacles PDU or receptacles have been installed inside every rack with redundant lines (A and B). The used PDUs are, DI-STRIP® BladePower®, PizzaPower®. They were specially designed for IT equipment by Knurr.
Figure 64 - DI-STRIP® PizzaPower®.
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Figure 65 - DI-STRIP® PizzaPower® specifications
Figure 66 - DI-STRIP® BladePower®
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Figure 67 - DI-STRIP® BladePower® specifications
The used receptacles meet Australian electrical standards and norms.
Figure 68 - Receptacle for rack 2
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Portable Modular Data Centre - Guildford In Racks 1 and 8, which are dedicated to networking devices and cabling, there are installed 2 PDU’s per rack, coming from two different breakers. These PDU’s correspond to DI-STRIP BladePower Compact units. In Racks 5 and 6, dedicated to servers, there are installed 4 PDUs per rack, coming from 4 different breakers (UPSA 5.1, UPSA 5.2, UPSB 5.1, UPSB 5.2, UPSA 6.1, UPSA 6.2, UPSB 6.1and UPSB 6.2). These PDU’s correspond to DI-STRIP PizzaPower Compact units.
Figure 69 – Back of the first rack
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Portable Modular Data Centre - Guildford In the other 4 racks, dedicated exclusively to servers, are installed the receptacles. Rack 2 and Rack 3 are fed by 4 receptacles (UPSA 2.1, UPSA 2.2, UPSB 2.1, UPSB 2.2, UPSA 3.1, UPSA 3.2, UPSB 3.1 and UPSB 3.2).
Figure 70 - Rack 2 & 3 receptacles
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Rack 4 and Rack 7 are fed by 2 receptacles and have 2 spare cables stored in a junction box.
Figure 71 - Receptacles for rack 7 and spare cables in junction box
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Portable Modular Data Centre - Guildford 3.10 Electrical Reference Material The following reference materials accompany this document electronically as part of the PMDC documentation package – relative folders these are located in are specified in the headings of each table. Documentation\03 –Electrical\Design Westrac PMDC - Structural Hydraulic and Electrical Diagrams AST Pre Modifications.pdf Westrac PMDC - Electrical Schematic – Overview.vsd Westrac PMDC - Electrical Schematic - Detail.vsd Westrac PMDC - Electrical Schematic - IT Thermostat - French.pdf Westrac PMDC - Electrical Schematic - EPO Detail.vsd Westrac PMDC - Electrical Schematic - UPS Battery Connection.pdf Westrac PMDC - Electrical Schematic - UPS Bypass EPT post Upgrade.pdf Westrac PMDC - Electrical Schematic - UPS Bypass EPT pre Upgrade.pdf Westrac PMDC - Electrical Schematic -ATS Auto Transfer Switch.pdf Westrac PMDC - Emergency Lighting Installation Locations.pdf Westrac PMDC - BCA Guidelines on Calculating Illumination Power Density.pdf Westrac PMDC - BCA Guidelines on Illumination Power Density Adjustment Factors.pdf Westrac PMDC - UPS Battery Cabinet Specifications - Deployed.pdf Westrac PMDC - UPS Battery Linkage information.gif Westrac PMDC - UPS Battery String Separator Details.pdf Westrac PMDC – EPO Reset Instruction.docx Westrac PMDC – Operation of ATS Switch.docx
Documentation\03 –Electrical\Product Specifications and Manuals Westrac PMDC - DI Trip Power Distribution Strip Product Overview.pdf Westrac PMDC - Eaton UPS 9390 Specifications.pdf Westrac PMDC - ECA8188_V2_LSOH Green Cables specification.pdf IBM Australia | Westrac PMDC – Guildford, Perth.
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Documentation\03 –Electrical\Product Specifications and Manuals Westrac PMDC - EXZhellent XXI 100V Cable Specification.pdf Westrac PMDC - EXZhellent XXI 100V Cable Specification #2.pdf Westrac PMDC - ECA8188_V2_LSOH Green Cables specification.pdf Westrac PMDC - EXZhellent XXI 92-3 Cable Specification.pdf Westrac PMDC - Versolex Cable Specification.pdf Westrac PMDC - Merlin Gerin C60_23996 Breaker Specifications - Spanish.pdf Westrac PMDC - Nilsen ATS Operations Manual.pdf Westrac PMDC - Pope Switchboard Schematic -IT Pod Main Switchboard.pdf Westrac PMDC - Prism Plus Switchboard Specifications - Services Pod Main Switchboard.pdf Westrac PMDC - Transtector 12R240W20K - i2r Surge Protection Brochure.pdf Westrac PMDC - Transtector 12R240W20K - i2r Surge Protection Installation Manual.pdf Westrac PMDC Transtector 12R240W20K - i2r Surge Protection Specifications.pdf Westrac PMDC - Emergency Lighting - Stanilite_6-9-Quickfit-10W-PICTO - PQF210SSS.pdf Westrac PMDC - Emergency Lighting - Stanilite_25-28-Quickfit-Weatherproof-PICTO - PWQF110MA-1.pdf Westrac PMDC - Emergency Lighting - Stanilite-LED-Spitfire-Brochure - Surface Mount.pdf Westrac PMDC - Pulsar EX UPS Installation and User Manual.pdf Westrac PMDC - UPS Battery CSB HRL12150W Specifications.pdf Westrac PMDC -Caterpillar 320 eKW 400 kVA Diesel Generator Set.pdf Westrac PMDC -Caterpillar 3406 SA Enclosure.pdf Westrac PMDC -Eaton Pulsar installation manual.pdf Westrac PMDC -Eaton UPS 9390 Installation and Operation Manual.pdf Westrac PMDC -Eaton UPS 9390 User and Installation Guide -Short version.pdf Westrac PMDC - MSDS - Eaton PWHR12150W4FR Battery.pdf
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Documentation\03 –Electrical\Product Specifications and Manuals Westrac PMDC -Pulsar EX UPS Specifications.pdf Westrac PMDC -Pulsar Series UPS Safety_Instruction.pdf Westrac PMDC - Circuit Breaker C60_23695 Specifications.pdf Westrac PMDC - Circuit Breaker C60_24204 Specifications.pdf Westrac PMDC - Circuit Breaker C60_26502 Specifications.pdf Westrac PMDC - Circuit Breaker C60_26505 Specifications.pdf Westrac PMDC - Circuit Breaker COMBT51 Specifications.pdf Westrac PMDC - Circuit Breaker SE6472 Specifications.pdf
Documentation\03 –Electrical\Commissioning Reports Green coloured cable sheathing - Compliance Confirmation from Western Power.eml Green coloured cable sheathing - Compliance Confirmation from Western Power #2 Westrac PMDC - Electrical Safety Certificate Nilsens 220711.pdf Westrac PMDC - UPS Commissioning Report - 816198 AST Ref a4.2 - Initial Installation.pdf Westrac PMDC - UPS Commissioning Report - 837310 AST Ref a4.1 - Initial Installation.pdf Westrac PMDC - UPS Commissioning Report - 1273514 Westrac Equipment - 387821 UPS 1 (load Test) 22DEC2011 AST Ref a4.1 Westrac PMDC - UPS Commissioning Report -1273520 Westrac Equipment - 320882 UPS 2 (load Test) 22DEC2011 AST Ref a4.2.pdf Westrac PMDC - UPS Service Report - Eaton 241011.pdf Westrac PMDC - EMC Testing Report 190512 T120514.pdf Westrac PMDC - EMC Testing Certificate Eaton 9390 UPS EN50091_2.pdf WesTrac PMDC - Circuit Breaker Discrimination Report Aug 2012.docx Westrac PMDC - Declaration of Conformity -ACMA Eaton 9390 UPS EN50091_2.pdf Westrac PMDC - EPO Test Plan-SIGNED.pdf
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4 Cooling System The cooling system is divided into 4 subsystems: chillers, pumps, cooling Fancoils and a humidifier. The cooling system is water based. To maintain adequate cooling and reliable operation of the IT equipment in the PMDC, it is necessary to maintain a temperature inside the IT Pod of 21 ºC, +/- 3ºC and relative humidity of 50%, +/- 5%. To meet these requirements a total cooling power of 100 kW, 3 (2 +1) fancoil units of 17 kW each, and 2 fancoil units of 10 kW each are required. The installation in the WesTrac PMDC exceeds these requirements, and contains the following:
2 Emerson CBH011 chillers of 100kW each, operating in a redundant configuration. 3 (2+1) CIATESA KCN-75 fancoil units of nominal cooling capacity 24.9 kW each, in the IT Pod. 2 Carrier 42DW009 fancoil units of nominal cooling capacity 6 kW each in the Services Pod.
The two Emerson chillers are stand-alone systems; the primary function of the chillers is to provide chilled water to the 1000L Buffer Tank in the Pump Room. A Cylon control system has been installed to allow for duty rotation of the chillers, fault notification, and to provide actionable fault outputs. The Cylon system also provides control of the chillers in the event of an actionable failure – these failures are detailed later in this document. Two DAB manufactured CHW pumps (operating in a redundant configuration), supply water from the Buffer Tank to the 5 Fancoils, which provide the cooling to the IT and Services Pods. There are 3 fancoils in the IT Pod, and 2 in the Services Pod. The fancoil units have been fixed to the inner ceiling of the IT and Services Pods. As the ceilings of the containers were not originally designed to support the weight of the air conditioning units, specially designed supports have been welded to the ceiling to provide support for the additional weight, as well as providing a rigid mounting structure to support reliable operation of the air conditioning units. The fancoil units reduce the relative humidity inside a room. If relative humidity is too low, electrostatic charges are accumulated on metallic surfaces and may cause equipment failures. To prevent build-up of electrostatic charge, a humidifier has been installed I n the IT Pod. NOTE: The chillers, controllers and pumps are NOT protected by the UPS. In the event that the generator does not take up the load within 3-4 minutes, and mains power is still unavailable, IBM strongly recommends that all equipment in the IT Pod be manually shut down as soon as possible to prevent damage due to overheating. An EPO (Emergency Power Out) exists in the IT Pod that will initiate a power shutdown if the temperature in the room exceeds 55 degrees C, however this may cause data loss due to the nature of the shutdown.
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Portable Modular Data Centre - Guildford The diagram on the following page provides an overview of the hydraulic and mechanical layout of the cooling system. For more detailed schematics, refer to the CAD diagrams that accompany this document, and are listed in the documentation reference at the end of this chapter.
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Figure 72 - Main Cooling System Hydraulic / Mechanical Schematic
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4.1 Chillers The chilling system comprises of 2 stand-alone Emerson CBH011 chillers. All control of the chiller functions is performed by the chiller inbuilt control and alarm system - the only external input/output is to turn the chillers on and off. As mentioned previously, a Cylon system (model UC32.10K/H) has been installed and configured locally by Haden, to provide duty rotation of the chillers, fault notification, and to provide actionable fault outputs. In the event of an alarm, it is possible for the Service Technician to view all alarm logs from the Cylon control panel. The chillers are controlled by an external time clock provided by the Cylon controller, which is configured to perform a duty rotation to allow for even distribution of running time. This duty rotation is configured to occur at 10:00 AWST each day. The Cylon control system for the chillers has the following inputs and outputs: Inputs
Chiller 1 Fault (DI-1) Chiller 2 Fault (DI-2) Pump fault (DI-3)
Outputs
Chiller 1 run (DO-17) Chiller 2 run (DO-18) Pump 1 run (DO-19) Pump 2 run (DO-20) Cylon Healthy (DO-21) spare spare
The following failure scenarios are supported by the chiller control system:
For safety and redundancy, both of the chiller RUN relays are activated by closing contacts. This can be used as an emergency measure - by turning off the Cylon control system both chillers will default to the run position. A phase failure relay is installed to each chiller and interlocked with the Cylon fault controller, to enable detection of a complete power loss to the chillers. In the event of a phase failure, the contacts will close and both chillers will be sent a RUN signal. In the event of a fault with the Cylon control system, the contacts will close and both chillers will be sent a RUN signal.
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In the event that a running chiller develops an internal fault, an alarm relay point will activate. The Cylon control system will monitor this point, and will turn off the faulting chiller and send a RUN signal to the standby chiller. In the event the standby chiller develops a fault, both chillers will be sent a RUN signal.
Further details on the faults monitored and actionable by the Cylon controller system will be supplied in the BMS documentation, once it is installed.
Figure 73 - External Chiller #2
A summary of the technical specifications of the chillers is included below – further information can be found in the technical artefacts that accompany this document.
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Figure 74 - Emerson Chiller Specifications
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Portable Modular Data Centre - Guildford 4.2 Chilled Hot Water (CHW) Pumps The Pump Room contains the pumps and logic hardware for the cooling system. Two DAB manufactured CHW pumps (known as secondary pumps) have been installed in the Pump Room. These pumps are totally independent of the chiller system – the chillers have primary pumps built into each of them. The purpose of the secondary pumps is to expel the chilled water from the 1000L buffer tank in the Pump Room to the fancoil units located in the IT and Services Pods. These pumps operate with water in the temperature range of 8-10 degrees Celsius. The secondary pumps are controlled and operated by the Cooling Pump control Panel located in the Pump Room. This pump system is a totally independent system that can run without any external input. The pump system has inputs into the Cylon control system installed; the Cylon controller is configured to rotate on a 24 hour duty cycle independent of the chillers. This duty rotation is configured to occur at 10:00 AWST each day. The following failure scenarios are supported in the secondary pump system:
In the event of a Cylon controller fault the pump that is currently running will remain operating. In the event there is a motor overload, the system will rotate operation to the standby pump. In the event that a water isolating valve is activated, the system will rotate operation to the standby pump. Each pump is wired to a separate power supply with a redundant circuit breaker. In the event the breaker on the running pump is tripped, the system will rotate operation to the standby pump. Both pumps, however, are capable of running off a single breaker. If the Cooling Pump Control Panel detects a fault in the pump system, an alarm will be output to the Cylon monitoring system. Once the BMS is installed, this alarm with be forwarded to the monitoring hub, and can be actioned.
In the event of an undetected failure by the system, pumps can be switched manually using the controls on the Pump Room switchboard. Indicator lamps on the switchboard provide information on which pump is currently functioning, and whether a fault condition exists on either pump.
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Figure 75 – IT and Service Pod Fancoil CHW Pumps
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Figure 76 – Pump Room Switch Board
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IT Pod Cooling System
4.3.1 IT Pod Fancoils As the IT racks are placed in the central zone, the fancoils must aspirate from one side, and blow the air through the opposite side. The deployed fancoils in the IT Pod are Ciatesa model KCN 75s. These fan coils are configured to operate in a redundant N +1 configuration. These appliances conform to NTP 761 y 762.RD 222/01 and RD 2060/08 with RD 1244/79 and the pressure Directive. In relation to suitability of these fan coils in relation to the BCA Energy Efficiency requirements,
Actual Fan Power = 2 x Ciatesa KVN 75 (fan speed high) – 1.2kW Minimum Heat Load capacity =1.2 / 0.07 = 17.1kW
As required under the standard, the heat load created by the equipment in the IT Pod must be greater than 17.1kW for this level of fan power to conform to BCA Energy Efficiency requirements. Currently, power draw from the UPSes for the IT room equipment is 7.2kW (a) + 6 kW (B) = 13.2kW. This is less than 17.1kW minimum required to fully comply with the BCA energy efficiency requirement, however it is expected that the system would fully comply if the IT Pod was fully populated (currently at 70% of available capacity). The KCN 75 fancoils are temperature controlled by the thermostat located in front of each unit (i.e. at the front of the IT equipment racks). Each unit is set up independently – there is no synchronisation between the fancoil units. The photo on the following page shows the appearance of these thermostats.
Figure 77 - Thermostat of Fancoils in IT Pod
A summary of the technical specification of these fancoils is included below – further information can be found in the technical artefacts that accompany this document.
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Figure 78 - Ciatesa KCN Series Fancoil Specifications.
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Portable Modular Data Centre - Guildford 4.3.2 IT Pod Humidifier The relative humidity threshold inside data centres is critical. Low humidity can cause electrostatic discharges that can effect equipment and data. To mitigate this, a Nordmann Econovap 422 humidifier has been installed in the IT Pod. A total amount of 3 kg of water per hour is required to ensure the humidity values inside the IT Pod remain within operational limits. The desired humidity % is set on the control located close to the humidifier – the default setting is 65%.
Figure 79 – Nordmann Econovap 422 humidifier
A summary of the technical specification of these fancoils is included below – further information can be found in the technical artefacts that accompany this document.
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Figure 80 - Nordmann Econovap Humidifier Technical Specifications.
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Portable Modular Data Centre - Guildford 4.4 Services Pod Cooling System 4.4.1 Services Pod Fancoils In the area where all the services equipment is installed, the air must be directed in the centre as it is where the equipment aspirates. To meet this requirement, Two Carrier 42DW009 units have been installed to provide temperature control in the Services Pod, operating in a 1 + 1 configuration. These appliances conform to the Low Voltage Directive (73/23 EEC) and Electromagnetic Compatibility Directive (89/336 EEC). In relation to suitability of these fan coils in relation to the BCA Energy Efficiency requirements, the Eaton UPSes have a rating of 80kVA, which equates to approximately 7kW in heat load. As such, rated sensible capacity of the fancoils should be rated at 9.28kWr sensible at a minimum.
Actual Fan Power = 1 x Carrier 42DW009 (fan speed high) – 0.36kW Minimum Heat Load capacity =0.36 / 0.07 = 5.14kW
Therefore, the heat load must be greater than 5.14kW to conform to BCA Energy Efficiency requirements. As heat load is nominally 7kW, the system is deemed to comply. A summary of the technical specification of these fancoils follows – further information can be found in the technical artefacts that accompany this document.
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Figure 81 - Carrier 42DW Fancoil Technical Specifications.
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Portable Modular Data Centre - Guildford These air conditioning units are controlled through their respective thermostat units located in the Services Pod.
4.5 RDHx Cooling System A Rear Door Heat Exchanger cooling system was originally fitted to the PMDC. This has been removed as per the customer request, as the addition cooling was seen to be unnecessary, and the system adversely compromised available space in the IT Pod.
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Portable Modular Data Centre - Guildford 4.6 Cooling System Reference Material The following reference materials accompany this document electronically as part of the PMDC documentation package – relative folders these are located in are specified in the headings of each table. Documentation\04 –Cooling\Design Westrac PMDC - System Schematic - Chiller Hydraulic.vsd Westrac PMDC - Electrical Schematic - Econovap Humidifier - German.pdf Westrac PMDC - Electrical Schematic - Carrier 42 DW Fancoil.pdf Westrac PMDC - System Schematic - Chiller Piping - French.pdf Westrac PMDC - System Schematic -RDHx Detail.pdf Westrac PMDC - System Schematic - Chiller Hydraulic - no RDHx.vsd Westrac PMDC - System Schematic - Chiller Hydraulic - no RDHx.dwg Westrac PMDC - Electrical Schematic - IT Thermostat - French.pdf Westrac PMDC - Cylon Controller Operation Manual Aug 2012.docx Westrac PMDC - Electrical Schematic - Chiller 2 interface J500395B-E-001.dwg Westrac PMDC - Electrical Schematic - Chiller 1 interface J500395B-E-002.dwg Westrac PMDC - Electrical Schematic - Secondary Pumps - V02.dwg Westrac PMDC - Hydraulic Schematic Cooling System-M02.dwg Westrac PMDC - Haden Cylon points layout.dwg Westrac PMDC - Chiller Cylon Controller Menu Options.jpg Westrac PMDC - Chiller Cylon Control Label.xlsx
Documentation\04 –Cooling \Product Specifications and Manuals Westrac PMDC - Carrier 42 DW Fancoil Installation Manual.pdf Westrac PMDC - EPS Ecomesh Installation Overview .pdf Westrac PMDC -Trane Split ExoMesh Installation Manual.pdf Westrac PMDC - Carrier 42 DW Fancoil Technical Specifications.pdf IBM Australia | Westrac PMDC – Guildford, Perth.
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Documentation\04 –Cooling \Product Specifications and Manuals Westrac PMDC -Nordmann Econovap Humidifier Manual and Technical Specifications.pdf Westrac PMDC - Electronic Fan Controllers Quick Reference Table.pdf Westrac PMDC - CoolCentric RDHX Installation and Maintenance Manual.PDF Westrac PMDC - CoolCentric RDHX Technical Specifications.PDF Westrac PMDC - Ciatesa MT-KCN-8300 Technical Specifications.pdf Westrac PMDC - Emerson Chiller CBH011 Recommended Installation Clearances.pdf Westrac PMDC - Emerson Chiller CBH011 Technical Specifications.pdf Westrac PMDC - Emerson Chiller HPC-S 004-016 Manual and Technical Specifications.pdf Westrac PMDC - MSDS - E-407C - National Refrigerants.pdf Westrac PMDC - Grundfos Series 200 Circulator Pumps Product Specifications.pdf Westrac PMDC - Grundfosliterature-1183.pdf Westrac PMDC - Certificate of Conformity - GRUNDOSS CE UPS65.pdf Westrac PMDC - Carrier Fancoils Eurovent Certification Certificate.pdf Westrac PMDC - DAB Water Pumps Cod_001359650 Specifications.pdf
Documentation\04 –Cooling \Commissioning Reports Westrac PMDC - Chiller Commissioning Report 300710.pdf Westrac PMDC - Depart of Energy Pre Charged Chiller Importation Licence information.pdf WESTRAC PMDC - Ventilation Airflow commissioning.xlsx Westrac PMDC - Cooling System and Ventilation Test Plan - SIGNED.pdf Westrac PMDC - Emerson Chiller CBH011 Shipping Documents.pdf
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5 Fire Detection and Suppression System Fire detection and suppression equipment is necessary in a Data Centre in order to protect equipment and personnel from fire risks, and to meet local standards and regulations. In the Westrac PMDC, a VESDA (Very Early Smoke Detection) system and a conventional fire detection and suppression system have been installed in both the services and IT Pods. The system is configured and tested to ensure alerts are sent and received at Westracs monitoring station – however, at the time of writing, there were issues with the monitoring station not forwarding alerts to Westracs monitoring company. Darren Seaton (WesTrac) and Greg Jones (Fire Save) were looking into this. The VESDA system constantly monitors the room atmosphere, scanning the dust particles. Via installed aspirating pipes. When preset concentrations of burnt particles are detected, the VESDA unit initiates an alarm. This allows early intervention in the fire fighting process, to allow suppression before naked flames are evident. If the fire increases rapidly, the conventional suppression system activates, releasing a clean agent which will extinguish the fire. The installed fire system is comprised of:
Fire Indicator Panel (INERTIA IFS-2600) Conventional detection system (IT container, Services container, and the pump room) 2 VESDA early detection systems (IT container, Services container) 2 fire suppression systems (2 FM200 gas cylinders FM200 and actuators) (IT container, Services container)
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Portable Modular Data Centre - Guildford 5.1 Early Fire Detection 5.1.1 IT Pod In the IT pod, a LaserPLUS manufactured by VESDA has been installed. The LaserPLUS is a four air inlet aspirating smoke detector that provides very early warning of a fire. The LaserPLUS operates in the following fashion:
The pipe network draws air from the fire zone via a proprietary, high efficiency aspirator. The sampled air is passed through a network of pipes. A small portion of the sampled air from the fire zone is passed through a filter to remove the larger particles of dirt. The filter allows the smaller smoke particles to pass into the Laser Detection Chamber to measure the smoke intensity. Smoke present in the detection chamber creates light scattering, which via sophisticated electronics, produces a signal representing the absolute level of smoke present. Once analysed, the sampled air is passed out back into the atmosphere via the exhaust pipe. The detector continues to sample and analyse the air from the zone, and reports the smoke density and alarms via the Fire Panel or via the display on the detector.
There are two smoke alarm threshold levels, Alert and Fire 1. The sensitivity for each alarm level can be programmed to ensure that the optimum alarm thresholds are applied to the zone. The Fire 1 signal will triggered if the LaserPLUS detects smoke for more than 10 seconds at the required obscuration level – which is 0.2% /m. The components of the LaserPLUS detector are housed inside a dark grey metal enclosure with a light grey moulded polycarbonate front cover. The front cover houses the Termination Card blanking plate and the LaserPLUS Display and has provision for an (optional – not installed on this system) LCD Programmer module. The location of the LaserPLUS Display and LCD Programmer modules are interchangeable. The enclosure houses the Termination Card, Laser Detection Chamber, Central Processing Card, Air Filter Cartridge, Air Inlet Manifold and Aspirator components. The front cover must be removed to service all the components within the detector except the air filter cartridge that can be changed without having to remove the front cover. The LaserPLUS complies with the following standards.
AS 1603.8 FCC Class B AS/NZS 3548 AS2211 EN50081-1 21 CFR 1010.2 EN50130-4 21 CFR 1010.3 EN 60950
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Portable Modular Data Centre - Guildford It should be noted, that whilst the fire panel has the capability, the fire system is NOT interlocked to the cooling or electrical systems – it is, however, interlocked with the electrical dampers and fans that provide the ventilation for the container. The room integrity tests undertaken by ATP and Fire Save took this into account. The main specifications of the LaserPLUS are detailed on the following page. More information can be found in the reference materials that accompany this document.
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Figure 82 - LaserPLUS specifications
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Portable Modular Data Centre - Guildford 5.1.2 Services Pod For the Services Pod a LaserCompact manufactured by VESDA has been installed.
Figure 83 - VESDA LaserCompact
The LaserCompact operates in a similar fashion to the LaserPLUS as follows:
The pipe network collects air samples from a designated fire zone. The VESDA integrated aspirator draws air into the sampling pipes through a pipe inlet manifold. A sample of the air flows to the dual stage filter. The first stage air filter removes dust and dirt from the sampled air and flows to the laser detector chamber to detect the presence of smoke. Any smoke detected in the laser detection chamber triggers a signal to the main processor card. If the presence of detected smoke is higher than the set thresholds it is reported as a Pre-Alarm or an Alarm depending upon the density and nature of the air sampled, based on analysis against programmed thresholds. The second stage filter further filters the air to produce ultra-clean air. The ultra-clean air is used to clean the optical surfaces in the laser detection chamber.
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Figure 84 - Function diagram of the LaserCompact
The LaserCompact complies with the following standards.
AS 1603.8 FCC Class B AS/NZS 3548 AS2211 EN50081-1 21 CFR 1010.2 EN50130-4 21 CFR 1010.3 EN 60950
The main specifications of the LaserCompact are detailed on the following page. More information can be found in the reference materials that accompany this document.
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Figure 85 - LaserCompact Specifications
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Portable Modular Data Centre - Guildford 5.2 Conventional Fire Detection In addition to the Early Smoke Detection system, a conventional fire detection system is fitted. This and the early detection system work in conjunction with the installed gas suppression system to control fire outbreaks in the PMDC. Conventional Smoke detectors have been placed in the IT and Services Pods on the ceiling, each connected to one zone of the control panel.
Figure 86 – Conventional Smoke detector
NOTE: AS14520.1-2009 (Gaseous Fire Extinguishing Systems) which also references AS1670.1, provides the requirements for the location and spacing of conventional smoke detectors. This standard dictates that there should be 300mm clear space around each detector. Given the equipment layout in the rooms, it is not physically possible to meet these AS1670.1 requirements - the PMDC is a new class of Data Centre that was not considered when the standard was written. The fire system implementer, ATP (Advanced Technology Products) certifies that the distribution of conventional detectors in the IT and Services Pods represents ‘good engineering practice’ in consideration of ALL the circumstances, and meets the intent of the standard. Also, the buildings in question are un-occupied and are of a size and type that are not mandated under the Building Code of Australia (BCA) to have ANY form of detection. AS14520.1-2009 section (6.4.2) stipulates ‘Automatic detection shall be by any method or device acceptable to the authority and shall be capable of early detection and indication of heat, flame, smoke, combustible vapours or any abnormal condition in the hazard that is likely to produce fire’. In addition to this it is a common practice in such systems to employ a "double knock" arrangement where two separate detection circuits are used to instigate the release of the gas. The deployment in the Westrac PMDC conforms to this standard, in that VESDA has been used to provide very early "combustion" detection and System Sensor’s point photo optical detectors for smoke, IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford thus meeting the requirement. The system also provides for a dual redundant detection alarm capability. The conventional detection system fitted to the Westrac PMDC is a Notifier 2600 Dual Risk Gas Panel. This panel is located in the entrance of the IT Pod. The Notifier 2600 Dual Risk Gas Panel is able to monitor up to 8 zones, discriminating between sensor and push button alarms. It is compatible with most third party smoke sensors, and contains its own DC power supply. The INERTIA Notifier IFS-2600 Fire Indicator Panel (FIP) is designed to provide simple use in the event of a fire emergency. In the event of a fire, simple precise instructions are required, thus making the tasks of the fire fighter easier. The INERTIA Notifier IFS-2600 Fire Indicator Panel has been tested and approved to AS4428.1 and meets the requirements of AS1670 and AS1668 (AS1668 controls are not, however, used in this system).
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Figure 87 – 2600 Notifier Dual Risk Gas Panel
The FIP monitors 8 configurable zones. The LEDS for each zone provide the following indications:
ALM: location is in alarm, FLT: location is in fault, ISO: location is isolated (won’t trigger any alarm or gas release).
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Figure 88 –Notifier Zone Status LEDs
The Zones configured for the Westrac PMDC are : 1. IT Pod – VESDA 2. IT Pod – Conventional Detectors 3. IT Pod – Gas discharge 4. Services Pod – VESDA 5. Services Pod – Conventional Detectors 6. Services Pod– Gas discharge 7. Pump Room – Conventional Detector 8. IT and Services Pods - VESDA Alert state
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Portable Modular Data Centre - Guildford 5.3 Fire Suppression. 5.3.1 Fire Suppression Control Module The FIP also has one “Fire Suppression Control Module” per Pod. These modules control the gas release system for each Pod. The “Service Isolate” button can be engaged to prevent gas discharge in any zone, if there is scheduled maintenance or hot works being performed. The photo below shows the Fire Suppression Control Module. The left module is for the IT Pod, the right module is for the Services Pod.
Figure 89 – Fire Suppression Control Module - It Container (left) Service Container (right)
To trigger a gas release, both the VESDA and the conventional system have to be in an alarm state. The suppression systems are independent for each Pod i.e. a fire alarm in one pod will only trigger the gas release in that pod.
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Figure 90 - Fire Suppression Control Module - Light Descriptions.
The display on the Fire Suppression Module provides alerts as follows:
Level 1 - When the conventional detection system OR the VESDA detect smoke. Level 2 - When BOTH the conventional detection AND the VESDA detect smoke, the Control module displays the Level 2 status and the initiates a timer. Timer Running – displays for 30 seconds. Suppression Initiated – lights after the time has elapsed, and the suppression has been initiated.
The INERTIA Notifier IFS-2600 FIP has been tested and approved to AS4428.1 and meets the requirements of AS1670 and AS1668 (however, AS1668 is not used in this system) The main specifications of the FIP are detailed on the following page. More information can be found in the reference materials that accompany this document.
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Figure 91 - Specifications of the Notifier IFS-2600 Fire Panel
The sirens for the fire system are located near the roof in both the IT and Services Pod. These can be identified as per the image below:
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Figure 92 – Siren
5.3.2 Fire Suppression Agents FM-200, (also known by its ASHRAE designation HFC-227ea) is the gas suppression agent installed in the Westrac PMDC. The cylinder for the It container is located in the pump room. Cylinders of the agent are installed in both the IP sand Services Pods.
Figure 93 Cylinders of IT and Service Containers
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Portable Modular Data Centre - Guildford FM-200 is an effective fire extinguishing agent that can be used on many types of fires. On a weight-ofagent basis, FM-200 is considered a very effective gaseous extinguishing agent. The minimum design concentration for total flood applications is contained in the design calculation that accompanies this document. The toxicology of FM-200 compares favourably with other suppression agents. FM-200 has been evaluated for cardiac sensitization via test protocols approved by the United States Environmental Protection Agency. Test results show that cardiac tolerance to FM-200 is higher than that of other suppression agents and is acceptable for safe use in occupied spaces. FM-200 will decompose to form halogen acids when exposed to open flames. The formation of these acids is minimized by proper system installation – if the system is properly implemented, the generation of these by-products of FM-200 is minimal. FM-200 provides superior fire protection across a wide range of applications, and is ideal in the following applications:
Where clean-up of other media presents a problem, Where weight versus suppression potential is a factor, Where an electrically non-conductive medium is required and where personnel compatibility is an overriding factor.
FM200 has the following additional characteristics:
Zero ozone-depleting potential, low global warming potential and a short atmospheric lifetime. Is an odourless, colourless, liquefied compressed gas, stored as a liquid at room temperature. Is dispensed as a colourless, electrically non-conductive vapour that is clear and does not impede vision. It leaves no residue and has acceptable toxicity for use in occupied spaces at design concentration. FM-200 extinguishes a fire by a combination of chemical and physical reactions. FM-200 does NOT displace oxygen and therefore IS safe for use in occupied spaces without fear of oxygen deprivation.
FM-200 is manufactured to these specifications:
Mole%: 99.0 Minimum Acidity, ppm by weight: 3.0 Maximum Water content, % by weight: 0.001 Maximum Non-volatile residues, gram/100mL: 0.05 Maximum
FM-200 complies with NFPA Standard 2001. • UL Listed - Ex4623 IBM Australia | Westrac PMDC – Guildford, Perth.
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Portable Modular Data Centre - Guildford • FM Approved - 3014476 • USCG 162.161/2/0
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Portable Modular Data Centre - Guildford 5.4 Fire System Reference Material The following reference materials accompany this document electronically as part of the PMDC documentation package – relative folders these are located in are specified in the headings of each table. Documentation\05 –Fire System\Design Westrac PMDC - Communications Room Zone Plan.pdf Westrac PMDC - Fike Consolidated Report 610003-110408 SR - A.PDF Westrac PMDC - Fike FireRaser FM200 Pre-Engineered Design Resolution - 610003 110408 SR-A.pdf Westrac PMDC - Fire Detection & OWS System Layout ATP-2087-003.pdf Westrac PMDC - Fire Detection Sound Pressure Level Readings ATP-2087-004.pdf Westrac PMDC - New Project.ASPIRE2.xml Westrac PMDC - System Schematic - Gaseous Suppression System Pipe Support Details ATP-2087-001.pdf Westrac PMDC - System Schematic - Gaseous Suppression System PipeWork Layout isometric ATP-2087002.pdf Westrac PMDC - Tactical Fire Plan v1.pdf Westrac PMDC - Tactical Fire Plan v2.pdf Westrac PMDC - XTRALIS Vesda Aspire2 Installation DataPack 140311.pdf
Documentation\05 –Fire System\Product Specifications and Manuals Westrac PMDC - Certificate of Conformity - 0832-CPD-0768_VLP_Issue_2_-_LoCol.pdf Westrac PMDC - Certificate of Conformity - 0832-CPD-0770_VLC_Issue_2_-_LoCol.pdf Westrac PMDC - Certificate of Conformity - 14673_00_0832-CPD-0770_VLC_Issue1.pdf Westrac PMDC - Certificate of Conformity - BMLS 1491-105_VLP_VLS.pdf Westrac PMDC - Certificate of Conformity -Vesda Aspired Smoke Detector System AFP-1083.pdf Westrac PMDC - Fike Data Sheet - C.1.01.01 Fike Storage Containers.pdf Westrac PMDC - Fike Data Sheet - C.1.02.01-1 Pre-engineered Nozzles.pdf Westrac PMDC - Fike Data Sheet - C.1.03.01 Storage Container Accessories.pdf
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Documentation\05 –Fire System\Product Specifications and Manuals Westrac PMDC - Fike Data Sheet - C.1.07.01-1 FE227ea Agent Details.pdf Westrac PMDC - Fike Data Sheet - HFC227 manual release D1110.pdf Westrac PMDC - Fike HFC-227ea Clean Agent Extinguishing Systems Installation Operation and Maintenance Manual 06-215 Rev D.pdf Westrac PMDC - Notifier Data Sheet - Conventional Detector Base - B401.pdf Westrac PMDC - Notifier Data Sheet - IFS-2600 Extinguishing Agent Release Control Panel.pdf Westrac PMDC - Notifier Data Sheet - IFS-2600 Fire Indicator Panel.pdf Westrac PMDC - Notifier Data Sheet - IFS-2600 Fire Suppression Control Module .pdf Westrac PMDC - Notifier Data Sheet - Local Control Station.pdf Westrac PMDC - Notifier Data Sheet - Photoelectric Sensor - 2151baus.pdf Westrac PMDC - Notifier Data Sheet - Warning Signs.pdf Westrac PMDC - Notifier IFS-2001 Solid State Warning Sign Specifications.pdf Westrac PMDC - Notifier IFS-2600 Extinguishing Agent Release Control Module Installation Manual DOC-01-005 v3_03.pdf Westrac PMDC - Notifier IFS-2600 Fire Indicator Panel Installation Manual v3_01.pdf Westrac PMDC - Notifier IFS-2600 Fire Indicator Panel Operators Manual v3_00.pdf Westrac PMDC - XTRALIS Vesda Commissioning_Guide 10195_05.pdf Westrac PMDC - XTRALIS Vesda Data Sheet - ASPIRE2.pdf Westrac PMDC - XTRALIS Vesda Data Sheet - VLC.pdf Westrac PMDC - XTRALIS Vesda Data Sheet - VLP.pdf Westrac PMDC - XTRALIS Vesda VLC Installation_Guide 13718_03.pdf Westrac PMDC - XTRALIS Vesda VLP Product_Guide 10278_07.pdf Westrac PMDC- Fike Data Sheet - Clean Agent Impulse.pdf Westrac PMDC- Gas FM200 Data Sheet.pdf Westrac PMDC- MSDS - Gas FE227 AU.pdf Westrac PMDC- MSDS - Gas FM200.pdf
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Documentation\05 –Fire System\Product Specifications and Manuals Westrac PMDC- Vesda LaserCompact Installation Manual.pdf Westrac PMDC- Vesda LaserCompact Product Guide.pdf
Documentation\05 –Fire System\Commissioning Reports Westrac PMDC - Fire System Commissioning - AS1670.1 App E Test Report AST Ref a4.3 SIGNED 201012.pdf Westrac PMDC - Fire System Commissioning - AS1670.1 App F Test Report SIGNED 200112.pdf Westrac PMDC - Fire System Commissioning - AS4214.1 App A Checklist - AST Ref a4.4 SIGNED 170810.pdf Westrac PMDC - Fire System Commissioning - AS14520 Clean Agent Enclosure Integrity Test Report - SIGNED 260911.pdf Westrac PMDC - Fire System Commissioning - AS14520.1 App A Checklist IT Rm - AST Ref a4.4 SIGNED 200112.pdf Westrac PMDC - Fire System Commissioning - AS14520.1 App A Checklist UPS Rm - AST Ref a4.4 SIGNED 200112.pdf Westrac PMDC - Fire System Commissioning - Certificate of Filling FM200 & Fe227ea 240310.pdf Westrac PMDC - Fire System Commissioning - VESDA Commissioning Form -SIGNED 200112.pdf Westrac PMDC - Fire System Commissioning -Pipe Work Pressure Test -SIGNED 060212.pdf
Documentation\05 –Fire System\Software VSC_3.04.00-3907.zip – Vesda System Software Version 3.04
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Portable Modular Data Centre - Guildford 6 Building Management System (BMS) 6.1 APC Netbotz The IT and Services Pods are equipped with an APC Netbotz monitoring system, that can monitor the operation of different PMDC elements and generate alarms if necessary. The monitoring capability of this system is as follows:
Temperature and humidity supervision Security camera inside room allowing remote supervision (TCP/IP interface) Fire extinction and detection system supervision. Flooding detection at critical areas. Air conditioning alarm supervision UPS alarm supervision Humidifier alarm supervision
The Wallbotz 500 Base Station provides network connectivity to all of the NetBotz devices, and is designed to function as a host for sensor pods and NetBotz applications. The base station contains no environmental sensors - all sensors are integrated in or connected to the detachable pods. The Wallbotz 500 base station also features a PC Card slot, permitting the addition of advanced hardware such as supported 802.11a/b/g PC Cards for wireless network connectivity or supported PC Card modems for GSM/GPRS, PPP, or wireless modem communications. Sensor pods have been deployed in various locations through the facility, connected to one of the four Wallbotz 500 base station USB ports. A single Wallbotz 500 base station can support up to 4 Camera Pod 120s or CCTV Adapter Pods, up to 4 Output Relay Pod 120s, up to 16 intelligent power strips, up to 17 Sensor Pod 120s, and dozens of external sensors (up to four per Sensor Pod 120). The diagram on the following page provides a simplified installation view of the Netbotz monitoring system. Details on how to access the Netbotz system are provided in the Operations Manual.
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IT POD
WALLBOTZ 500
Pod Extender
Pod Sensor Main Door
Camera Main Door
Pod Sensor Behind Racks
Pod Extender
Camera Main Door
Pod Sensor Main Door
Pod Sensor above UPS
SERVICES POD Figure 94 - Netbotz Management system - as deployed
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Figure 95 – Wallbotz 500
6.1.1 Wallbotz 500 Base Station The base station for the NetBotz 500 houses the processor, memory, I/O, and network connections, and also acts as the centralized host for all connected pods and add-on software applications. The NetBotz 500 Advance View interface software enables easy monitoring and appliance configuration. Up to 24 hours sensor readings can be graphed. All alerts are conveniently logged on the device, permitting review of any alerts or issues logged for the past 24 hours (several months with NAS support). Finally, BotzWare provides the enhanced security of SSL connectivity to and from the NetBotz 500 appliance. Main features of the Wallbotz 500 are as follows:
Alerts and sensor data can be posted to web servers using built-in HTTP post support, or can be forwarded to other systems using FTP data delivery. Alerts can be sent using e-mail, SNMP traps, or SMS/GSM. View data using a web browser or the client Advanced View application Integrated 10/100 Mbps Ethernet network interface. Four external USB A-ports for connecting tethered NetBotz pods, a supported USB modem, or supported RS232-based sensors via a USB-to-serial port adapter cable. A PC Card adapter slot for adding optional 802.11a/b/g wireless adapter, GSM/GPRS modem, or wireless Modem for PPP communications. A H swivel wall mount bracket which enables positioning over a 360º axis. IBM Australia | Westrac PMDC – Guildford, Perth.
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Figure 96 – Wallbotz 500 technical specifications
6.1.2 Camera Pod 120 The NetBotz Camera Pod 120 provides digital video and audio monitoring capabilities. A CS-mount optical lens, combined with the built-in imager, provides high-resolution 24-bit colour video. These pods can be docked to the NetBotz 500 main base station, or tethered to the base station using a USB cable.
Figure 97 – Netbotz Camera POD 120
Main features of the Netbotz camera pod are as follows: IBM Australia | Westrac PMDC – Guildford, Perth.
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Image processor generates 24-bit colour images, up to 1280 x 1024 resolution and 30 frames per second. User adjustable and interchangeable industry-standard CS-mount lens permit use of general purpose and special purpose lenses. Integrated microphone plus a microphone jack, which provides the ability to monitor and capture audio from either the location in which the pod is installed or (using an external microphone), at another point of interest. Speaker/headphone jack that can be used with powered speakers to provide audio alert output Door switch sensor jack Camera-based motion detection Standard 1/4” camera mount (enables mounting of the pod in a wide variety of locations) Swivel wall mount bracket enables 360º positioning
Figure 98 – Netbotz Camera POD 120 technical specifications
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Figure 99 – Camera and Pod installed in front of the main door in IT container
6.1.3 Sensor Pod 120 Providing distributed environmental monitoring capabilities, the NetBotz 500 Sensor Pod 120 can be docked to the NetBotz 500 base station or tethered to the base station using a USB cable. The Sensor Pod 120 has integrated sensors for temperature, humidity, dew point, airflow, and audio. Four PS2-style external sensor ports allow attachment of external analogy sensors, including Amp Detectors and external temperature and humidity sensors. A wide variety of dry contact sensors (such as glass break, vibration, smoke, and condensation sensors, as well as the NetBotz Fluid Detectors) also can be connected to these ports. The Sensor Pod is powered via the USB interface and requires no additional power. In addition to a docked Sensor Pod 120, up to sixteen Sensor Pod 120s can be connected to the base station.
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Figure 100 – Netbotz Sensor POD120
Main features of the Netbotz sensor are as follows:
Integrated temperature, humidity, dew point, airflow, and audio sensors Four external sensor ports enable connection of a broad variety of external sensors LEDs on the pod provide a visual indicator of the sensor status Powered via USB: No additional power required
Figure 101 – Netbotz Sensor POD120 technical specifications
Four sensors have been installed in the PMDC, with locations as follows: IBM Australia | Westrac PMDC – Guildford, Perth.
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IT Pod:
One next to the fire Panel, on the left of entry. One behind the Racks, between Rack 2 and 4 Two in front of the Racks
Services Pod:
One next to the Services Pod Main Switchboard, One above the Main UPS
6.1.4 Pod Extender The CAT 5 Pod Extender is provided to allow deployment of NetBotz Camera Pod 120s or NetBotz where they are required more than five metres from the NetBotz 500 (USB device peripheral limit). With the CAT 5 Pod Extender, sensor pods can be located up to 100 metres from the NetBotz 500 appliance. The CAT 5 Pod Extender can supply power to remote pods. The head-end CAT 5 Pod Extender is connected via USB cable to the Netbotz 500 appliance and and is located in Rack1 of the IT Pod. The tail-end CAT 5 Pod Extender is located in the Services Pod inside a small cabinet above the UPS battery switches. Both are powered independently.
Figure 102 Pod extender
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6.1.5 USB HUB D-Link There are four USB connectors available in the Wallbotz 500 - a USB HUB is required if connection of more devices is necessary. A USB hub has been supplied to WesTrac for future use, but has not been installed at the time of writing.
6.1.6 Flooding Detector FD-100 A flooding detector has been installed, and is connected directly to the sensor POD’s. When water is detected under the connector, signal is sent to the base station and a flooding alarm is raised.
Figure 103 – APC Netbotz Flooding sensor FD-100
Five flooding detectors have been installed in the PMDC:
Four in IT Pod.
One in Services Pod.
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Figure 104 – APC Netbotz Flooding detector FD-100 close to the drainage
6.1.7 Dry Contact Sensor The dry contact sensor consists of a bipolar cable which is directly connected to an equipment dry contact. The base station constantly monitors the cable, and when it passes from a closed state to open or vice versa, an alarm is instantly sent.
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6.2 Monitored BMS At the time of writing (Aug 2012), IBM are putting a proposal to Westrac to provide a monitoring BMS, which will provide detailed cooling and power system information back to a centrally monitored point. Information will be populated in this section as the design aspects of this system become available.
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6.3 Monitoring Reference Material The following reference materials accompany this document electronically as part of the PMDC documentation package – relative folders these are located in are specified in the headings of each table. Documentation\06 –Monitoring\Design Westrac PMDC - System Schematic - Monitoring.pdf
Documentation\06 –Monitoring\Product Specifications and Manuals Westrac PMDC - Netbotz NB500 Product Overview.pdf Westrac PMDC - Hectrix ACTATek2 Technical Specifications.pdf Westrac PMDC - Hectrix ACTATek2 Installation Manual.pdf Westrac PMDC - NetBotz 500 Installation Manual AST Ref a.3.8.1.pdf Westrac PMDC - Netbotz Sensor Pod 120 AST Ref a.3.8.2.pdf Westrac PMDC - Netbotz Camera Pod 120 AST Ref a.3.8.3.pdf Westrac PMDC - NetBotz Water Sensor AST Ref a.3.8.4.pdf Westrac PMDC - NetBotz Dry Contact cable AST Ref a.3.8.5.pdf
Documentation\06 –Monitoring\Software SFNBZ400.zip – Netbotz Configuration Software and Firmware Rev 4.00
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