CIS Electrical Services Standard - University Of Sydney

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CIS ElectricalServices StandardThe University of SydneyEngineering & Sustainability Team

CAMPUS INFRASTRUCTURE & SERVICESDocument ControlDocument Name:CIS Electrical Services StandardDocument ID:CIS-PLA-STD-Electrical ServicesDocument Status:FinalVersion No:002Author(s):David ClarkePosition:Services Engineer - ElectricalSignature:DocumentOwner:Engineering & Sustainability TeamApproved by:Greg RobinsonPosition:Director of CISSignature:Date Approved:18 September 2015Date of Issue:18 September 2015Issued by:Campus Infrastructure & ServicesCIS Electrical Services Standard - FinalCIS-PLA-STD-Electrical Services 002Date of Issue: 18 September 2015ii

CAMPUS INFRASTRUCTURE & SERVICESContents1PURPOSE . 12SCOPE . 13GLOSSARY OF TERMS. 24AUTHORITIES & RESPONSIBILITIES . 35TECHNICAL REQUIREMENTS . 35.15.25.35.45.5SPECIFIC SCOPE FOR DESIGN AND CONSTRUCTION PROJECTS. 3ELECTRICAL INSTALLATION SCOPE OF WORKS . 4WORKSHOP AND AS-BUILT DRAWINGS . 4DEFECTS LIABILITY PERIOD MAINTENANCE. 5OPERATION AND MAINTENANCE MANUALS. 55.65.75.85.95.5.1OPERATOR‘S MANUAL. 55.5.2EQUIPMENT DESCRIPTIONS . 65.5.3OPERATION AND MAINTENANCE PROCEDURES . 65.5.4EQUIPMENT CERTIFICATES . 65.5.5TEST RECORDS . 6APPROVAL OF MATERIALS AND COMPONENT SAMPLES . 7LABELS AND MARKING. 7FIRE RATED SEALING OF PENETRATIONS AND CUTTINGS . 7ACCESSORIES . 85.9.1ACCESSORIES TYPE . 85.9.2LIGHTING SWITCHES . 85.9.3ISOLATING SWITCHES. 85.9.4GENERAL POWER SOCKET OUTLETS . 85.9.5SOFT WIRING SYSTEMS . 95.9.6RACK COMPUTER EQUIPMENT OUTLETS . 95.9.7EMERGENCY POWER OFF . 95.9.8ACCESSORY MOUNTING HEIGHTS.105.10 WIRING SYSTEMS. 105.10.1SELECTION .105.10.2CABLE CALCULATIONS .115.10.3VOLTAGE DROP .115.10.4CABLE MATERIAL AND MINIMUM SIZES .115.10.5REDUNDANT EQUIPMENT .11CIS Electrical Services Standard - FinalCIS-PLA-STD-Electrical Services 002Date of Issue: 18 September 2015iii

CAMPUS INFRASTRUCTURE & SERVICES5.10.6CABLE INSTALLATION .115.10.7FIRE RATED CABLE SYSTEMS INSTALLATION .125.10.8COPPER CONDUCTOR TERMINATIONS .125.10.9ULTRA FLEXIBLE COPPER CONDUCTOR TERMINATIONS .125.11 UNDERGROUND SERVICES . 135.11.1CONDUITS .135.11.2TRENCHING & BACKFILLING .135.11.3CABLE PITS .135.11.4UNDERGROUND CABLE ROUTE MARKING .135.12 CONDUITS AND CABLE SUPPORTS . 145.12.1CONDUITS GENERALLY .145.12.2CONCEALED CONDUITS .145.12.3NON-METALLIC CONDUITS AND FITTINGS.145.12.4FLEXIBLE CONDUITS .155.12.5GALVANISED STEEL WATER PIPE.155.12.6SKIRTING WIRING DUCT .155.12.7CABLE SUPPORT SYSTEM .165.12.8METALLIC SUPPORT SYSTEMS AND FIXINGS .165.13 SWITCHBOARDS . 175.13.1SWITCHBOARD ROOMS AND LOCATIONS.175.13.2MANUFACTURERS .185.13.3ELECTRICAL PROTECTION GRADING STUDY CALCULATIONS .185.13.4MAIN SWITCHBOARD DESIGN .185.13.5SWITCHBOARD SHOP DRAWINGS .205.13.6SWITCHBOARD INSPECTION.205.13.7PRE-COMPLETION TESTS .205.13.8SUBMISSIONS .215.13.9SWITCHBOARD METALWORK.215.13.10CABLE ENTRIES .225.13.11SWITCHBOARD DOORS .225.13.12ESCUTCHEON PLATES .235.13.13FINISHES .235.14 CONDUCTORS. 235.14.1BUSBARS .235.14.2WIRING .25CIS Electrical Services Standard - FinalCIS-PLA-STD-Electrical Services 002Date of Issue: 18 September 2015iv

CAMPUS INFRASTRUCTURE & SERVICES5.15 DISTRIBUTION SWITCHBOARDS (UNIVERSITY STANDARD DB) . 255.15.1UNIVERSITY STANDARD DISTRIBUTION BOARD DESIGN INTENT .255.15.2MINIMUM CONFIGURATION & CONSTRUCTION .265.15.3STANDARD DISTRIBUTION BOARD DESIGN .265.15.4SUB-CIRCUIT LOADING .285.15.5NON-RCD SUB-CIRCUITS .285.15.6DISTRIBUTION BOARD NAME AND DESIGNATION LABELS.285.16 EXTERNAL SWITCHBOARDS . 295.17 DIESEL EMERGENCY GENERATORS . 295.17.1GENERATOR CONNECTION PROVISIONS .295.17.2UPS OR GENERATOR BACKED DISTRIBUTION BOARDS .305.18 SWITCHGEAR AND CONTROL GEAR . 305.18.1SWITCHGEAR .305.18.2MOULDED CASE AND MINIATURE CIRCUIT BREAKERS .305.18.3TRANSIENT PROTECTION .305.18.4CONTROL RELAYS.315.18.5EXTRA-LOW VOLTAGE TRANSFORMERS .315.19 ACCESSORIES AND INSTRUMENTS . 315.19.1METERING TRANSFORMERS .315.19.2INDICATOR LIGHTS.325.19.3LABELS .325.20 THERMOGRAPHIC SURVEY . 335.21 METERING SYSTEMS . 335.21.1AUTHORITY TARIFF METERING .335.21.2PRIVATE METERING (MULTI-FUNCTION METER) .335.21.3ENERGY CONSUMPTION METERING (SECONDARY CLASS METER) .335.21.4SUMMARY OF METER REQUIREMENTS .345.21.5METER LABELLING.345.21.6METER DOCUMENTATION .345.21.7UTILITIES METERING AND ACCOUNT CONNECTIONS, DISCONNECTIONS AND TRANSFERS .355.22 TECHNICAL EARTHING SYSTEMS. 355.23 LIGHTNING PROTECTION SYSTEM . 355.23.1MATERIALS .355.23.2FIXINGS .355.23.3JOINTS AND BONDS .36CIS Electrical Services Standard - FinalCIS-PLA-STD-Electrical Services 002Date of Issue: 18 September 2015v

CAMPUS INFRASTRUCTURE & SERVICES5.23.4INSTALLATION .365.23.5EARTH TERMINATIONS .365.24 POWER FACTOR CORRECTION . 375.24.1AUTHORITY APPROVALS .375.24.2SHOP DRAWINGS .375.24.3CUBICLE.385.24.4CAPACITOR TYPE .385.24.5STEP SIZE .385.24.6CAPACITOR INSTALLATION .385.24.7COOLING FANS .385.24.8WIRING .385.24.9CONTACTORS .395.24.10STEP CONTROLLER .395.24.11INRUSH CURRENT SURGE LIMITING .395.24.12HARMONIC AND SUPPLY AUTHORITY RIPPLE SIGNAL REJECTION .395.25 ELECTROMAGNETIC INTERFERENCE & COMPATIBILITY (EMI & EMC) . 405.25.1PROJECT DEFINITION PHASE .405.25.2EMI TYPES .415.25.3EMI MITIGATION .415.25.4EMI ACCEPTANCE LEVELS .425.25.5DESIGN GUIDELINES .425.25.6POWER LINE FILTRATION .425.25.7SIGNAGE REQUIREMENTS .425.25.8CONSTRUCTION & VERIFICATION REQUIREMENTS.435.25.9EMC CO-ORDINATION WITH OTHER SERVICES .435.25.10EMC STANDARDS .436SHOP DRAWINGS .447SAFETY IN DESIGN .448COMMISSIONING .458.1 TESTING AND COMMISSIONING . 458.1.1INSPECTION & WITNESS TESTING.468.1.2TESTING EQUIPMENT SCHEDULE .468.1.3INITIAL CERTIFICATION .46CIS Electrical Services Standard - FinalCIS-PLA-STD-Electrical Services 002Date of Issue: 18 September 2015vi

CAMPUS INFRASTRUCTURE & SERVICES9DOCUMENTATION & RECORDS .4710 OPERATIONS .4711 AUTHORISATION OF VARIATIONS .4812 QUALITY CONTROL .4812.1 DESIGN STANDARD COMPLIANCE . 4812.2 DESIGN STANDARD CERTIFICATION . 4813 REFERENCES .4914 NOTES .5015 DOCUMENT AMENDMENT HISTORY .5016 ATTACHMENTS .51CIS Electrical Services Standard - FinalCIS-PLA-STD-Electrical Services 002Date of Issue: 18 September 2015vii

CAMPUS INFRASTRUCTURE & SERVICES1PURPOSEThe CIS Electrical Services Standard sets out the University of Sydney's minimum requirements for thedesign, construction and maintenance of electrical services and infrastructure. It ensures new andrefurbished electrical systems are fit-for-purpose, provide secure, efficient, safe and reliable electricalpower, are made from durable good-quality materials and are cost effective to operate and maintain.Applicable requirements documented in Workplace Health and Safety legislation, DisabilityDiscrimination legislation, State Environmental Planning legislation, Commonwealth and State legislation,National Construction Codes (NCC) and Australian and New Zealand Standards (AS/NZS) are theminimum and mandatory compliance requirements.Where any ambiguity exists between this standard and the aforementioned mandatory requirementsthen:a. the highest performance requirements must apply;b. applicable requirements must follow this order of precedence:i.Workplace Health and Safety legislation;ii.Disability Discrimination legislation;iii.State Environmental Planning and Assessment legislation;iv.All other Commonwealth and State legislation;v.NCC;vi.AS/NZS;vii.This standard and other University standards.2SCOPEThis standard describes minimum requirements for design, purchase, construction, and operation andmaintenance of electrical services plant, equipment and infrastructure for buildings and spaces owned,operated, maintained and/or managed by the University of Sydney. It applies to:a. New building construction;b. Refurbishment projects for University-owned spaces;c. Refurbishments of spaces that form part of a broader medium-term (less than fiveyears);program/plan of progressive upgrades to a University-owned building;d. Refurbishment projects for long-term University-leased spaces;e. Facilities maintenance services.The standard covers provision of electrical services for most University-projects. It covers:a.b.c.d.e.f.g.h.i.j.Design calculations including grading studies and cable sizing;Main and distribution switchboards;External switchboards;Generators;Metering and energy monitoring;Consumer mains, sub-mains and sub-circuit wiring;Socket outlets, isolators and small power installations;Cable trays and conduits;Power factor correction and active harmonic filtering;Earthing and bonding;CIS Electrical Services Standard - FinalCIS-PLA-STD-Electrical Services 002Date of Issue: 18 September 20151

CAMPUS INFRASTRUCTURE & SERVICESk.l.m.n.Lightning protection;Labelling;Testing and commissioning;Electromagnetic Compatibility, Hazards and performance.It does not cover:a. Lighting system design and specification – refer to the CIS Lighting Services Standard;b. Special electrical installations for specialised laboratory and research spaces which will bespecifically defined in the project;c. Communications and data cabling systems – refer to the University of Sydney ICTCommunications Cabling StandardWhere specific applications are not explicitly covered or ambiguity exists, the intent of the designstandard must be satisfied. In such cases a return design brief must be provided for review andapproval by the issuer of this standard or their appointed delegate who must have relevant technicalcompetence in the subject matter.The standard applies to planners, project managers, consultants, contractors, sub-contractors, tenants,managing agents, University staff and others involved in the design, construction, installation, operationand maintenance of existing, new and proposed University buildings and facilities.Electrical products and services provided or specified by designers, consultants, staff and contractorsmust conform to this standard.3GLOSSARY OF TERMSUnless the context otherwise requires, the following definitions ISCTDBEMCEMIEndeavourEnergyGPOMCBMCCBMDBAustralian Communications AuthorityAir circuit breakerAustralian Gas Light CompanyAssociation of Short-Circuit Testing AuthoritiesAustralian / New Zealand StandardUniversity Private Advanced Utilities Monitoring SystemThe Sydney City area Supply AuthorityNational Construction Code of AustraliaBuilding Management Control SystemCircuit breakerContractor‘s Completion of Electrical WorksCampus Infrastructure Services – University of SydneyCurrent TransformerDistribution BoardElectromagnetic CompatibilityElectromagnetic InterferenceNSW Regional Supply AuthorityGeneral Power OutletsMiniature Circuit BreakerMolded Case Circuit BreakerMain Distribution BoardCIS Electrical Services Standard - FinalCIS-PLA-STD-Electrical Services 002Date of Issue: 18 September 20152

CAMPUS INFRASTRUCTURE & SERVICESMENMOVMSBNATAO&MPCAPf / PFCRCBORCDRMSBSPDTPS4Multiple Earth Neutral (earthing system)Metal Oxide VaristorsMain SwitchboardNational Association of Testing AuthoritiesOperation and Maintenance ManualPrincipal Certifying AuthorityPower Factor / Power Factor CorrectionResidual Current Circuit Breaker with Integral Overcurrent ProtectionResidual Current DeviceRegional Main SwitchboardService Protective DeviceThermoplastic sheathed cableAUTHORITIES & RESPONSIBILITIESThe design standard is issued by CIS. It is approved and signed-off by the Director CIS. TheEngineering & Sustainability Unit is responsible for reviewing and maintaining the standard andkeeping it up-to-date. The standard must be reviewed at least biennially.5TECHNICAL REQUIREMENTS5.1SPECIFIC SCOPE FOR DESIGN AND CONSTRUCTION PROJECTSThese specific requirements must be included in the scope of works specification for design andconstruction of electrical services:a. Electrical services must be detailed and designed by an experienced and suitably qualifiedelectrical engineer covered by professional indemnity and public liability insurances. InsuredValues must be in accordance with the contract;b. Provision of formal Engineering Certification for the design in accordance with the PCArequirements, and an Engineering certificate of inspection and completion of the works inaccordance with the University standards and statutory requirements;c. Include ―Safety in Design‖ requirements for installation, operation, maintenance and eventualdecommissioning of the works;d. Maintain reliability and availability of electrical systems of buildings during and afterconstruction. Provide temporary power systems as required to meet the affected user‘srequirements, and liaise with the users and project manager to determine these requirements;e. Warranty requirements for all new equipment and services;f. Maintenance requirements during the Defects Liability period;g. Compliance with NCC including Section J, Local Authorities‘ regulations and all relevantAustralian and New Zealand Standards (AS/NZS);h. Allow for any University work embargo and restriction periods during the construction period;i. Provision of electrical maximum demand calculations in editable spreadsheet format, and tosatisfy the Supply Authority and to AS/NZS 3000 as a minimum including 20% spare capacity;j. Application for connection for new and increased loads to the Supply Authority;k. Supply of statutory design certifications and certification of compliance to the Universitystandards;CIS Electrical Services Standard - FinalCIS-PLA-STD-Electrical Services 002Date of Issue: 18 September 20153

CAMPUS INFRASTRUCTURE & SERVICESl.m.n.o.p.q.r.s.t.u.v.w.x.5.2Building Code of Australia Section J6 compliance calculations and certifications for energyconsumption minimisation;Annual electrical energy consumption estimate based on building space types, occupancy andoperation of planned plant and equipment;Power system calculations for the whole system in POWERCAD, or approved equal software,covering fault levels, voltage drop, cable sizing and circuit breaker discrimination;Supply of all calculations in electronic native software editable file and PDF output format;Design drawings in AutoCad (and Revit 3D model where defined in the project brief) formatincluding plans, schematics and single line diagrams;Testing and commissioning schedules and program;Contractors must visit project sites to determine constraints and risks when installing electricalservices at the University‘s buildings and include sufficient allowances in the tender price tocover these issues;Ensure that spatial and building general construction details are satisfactory and equipmentcan physically be installed within the building;Additional work items identified during tender inspections, but which may not be documented inthe original scope of works;Early notification of adverse latent conditions and liaison with the University‘s Superintendent toresolve the issues and agree additional costs before proceeding with the works;Decommissioning and demolition of all redundant electrical services and infrastructure in theworks area. Remove any hazardous materials in accordance with WHS and EPA requirements;Provide a detailed project description including the project drivers, the existing conditions andthe final project use;Provide a section listing any major deviations from this standard and summarising the reason.ELECTRICAL INSTALLATION SCOPE OF WORKSA project-specific scope of works must be prepared by the designer. It must cover all major electricalsystems specifically, and all minor systems generally. It must detail the design requirements for Designand Construct projects, including references to the project definition documents. It must consider andspecify any staging and temporary power provisions.5.3WORKSHOP AND AS-BUILT DRAWINGSThe following drawings must be submitted for approval before commencing installation work forrelevant electrical services:a.b.c.d.e.f.g.h.i.j.k.l.Site excavation plan, including survey of obstructions and existing services;Cable pit and trench locations;Cable pit and trench construction d

CIS Electrical Services Standard - Final CIS-PLA-STD-Electrical Services 002 Date of Issue: 18 September 2015 1 1 PURPOSE The CIS Electrical Services Standard sets out the University of Sydney's minimum requirements for the design, construction and maintenance of electrical services and infrastructure. It ensures new and

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