electrical services minimum requirement - NSW Public Works

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Part 1 - Installation 114.2 Level 2 Accreditation Work associated with service lines between the distribution system and the point of supply to the premises, energising and metering services. (i.e. construction and/or installation of the service line interface between the distribution system and consumer terminals, including metering services). 114.3 Level 3 Accreditation Design work associated with Levels 1 and 2 above. (i.e. design of transmission and distribution works for categories overhead and underground). Page 26 MEW E101
PART 2 - SWITCHBOARDS AND ASSOCIATED EQUIPMENT 201 SCOPE Part 2 - Switchboards and Associated Equipment The section covers the design, manufacture and testing of extra low voltage and low voltage switchboards and associated equipment. 202 GENERALLY All Custom-built Assemblies for one contract shall be manufactured by the one manufacturer with all equipment sourced from the same suppliers for all switchboards. All equipment shall be positioned so as to provide safe and easy access for operation and maintenance. All switchboards shall be totally enclosed and shall comply with the requirements of AS 1939 with a minimum degree of protection as indicated in the relevant section herein or as indicated in the Specification. Switchboards shall be designed and manufactured such that they may be readily moved to, and installed at the indicated locations. If a switchboard is split for installation, all materials necessary for reassembly shall be provided. In addition to complying with the Specification, all switchboards shall comply with the special requirements of the relevant Supply Authority. 202.1 Classification of Switchboards Switchboards are classified as Custom-built Assembly Type “CT”, Custom-built Assembly Type “CU”, Custom-built Assembly Type “DT”, Custom-built Assembly Type “DU”, Custom-built Assembly Type “DUPLUS”, Custom-built Assembly Type “DTPLUS” or Proprietary Assembly. A Proprietary Assemblies is defined as a low or extra low voltage switchgear and controlgear assembly available as a catalogue item, which consist of the manufacturer’s standard layouts and equipment. A Custom-built Assemblies is defined as a low or extra low voltage switchgear and controlgear assembly manufactured to order. 202.1.1 Proprietary Assemblies The following details shall apply to Proprietary Assemblies: (a) They shall be front connected, surface mounted with minimum protection IP 30. (b) Enclosures shall be metallic. (c) Circuit Breakers or switches mounted in enclosures shall have the circuit breaker/switch toggle protruding through a metallic escutcheon. (d) Space shall be provided within a proprietary assembly containing circuit breakers/switches for a minimum of 20% spare poles or 4 spare poles, whichever is the greater. (e) Lifting handles or substantial knobs shall be provided for front covers and escutcheons. (f) All edges of all covers shall rest on the cubicle body or on a mullion. Interlocked covers are not acceptable. MEW E101 Page 27
Page 1 and 2: Part ELECTRICAL SERVICES MINIMUM RE
Page 3 and 4: PART Ø - GENERAL 0.1 SCOPE Part 0
Page 5 and 6: Part 0 - General AS 3300 Approval a
Page 7 and 8: PART 1 - INSTALLATION 101 SETTING O
Page 9 and 10: Supply crossarms 75 x 75 x 1500 (mi
Page 11 and 12: Part 1 -Installation Install all pi
Page 13 and 14: (d) Comply with the requirements of
Page 15 and 16: Part 1 -Installation Cables used fo
Page 17 and 18: Part 1 -Installation cement of cont
Page 19 and 20: Part 1 -Installation Where conduits
Page 21 and 22: 108.11 Wall Boxes Part 1 -Installat
Page 23 and 24: Part 1 -Installation which shall be
Page 25 and 26: 111.8 Metal Channel Part 1 -Install
Page 27: Part 1 -Installation Terminations o
Page 31 and 32: Part 2 - Switchboards and Associate
Page 35 and 36: For Common Control Compartments: Pa
Page 39 and 40: 204.6 Prevention of Arcing Faults 2
Page 47 and 48: 207.8 Contactors Part 2 - Switchboa
Page 49 and 50: 207.10 Phase Failure Relays Part 2
Page 51 and 52: 207.12.5 Electronic Soft Starter Pa
Page 53 and 54: 207.14 Time Switches Time switches
Page 69 and 70: 212 DRAWINGS 212.1 Generally Part 2
Page 71 and 72: (g) SCADA system software descripti
Page 73 and 74: 303 WALL MOUNTED SWITCHES 303.1 Gen
Page 75 and 76: PART 4 - LUMINAIRES - SUPPLY AND IN
Page 77 and 78: 403.4 Post Top Luminaires Post-top
Page 79 and 80:
Part 5 - Electrical Motors For vari
Page 81 and 82:
507 EMBEDDED OVERLOAD PROTECTION Pa
Page 83 and 84:
Part 5 - Electrical Motors Each mot
Page 85 and 86:
Part 6 - Painting, Colour Coding an
Page 87 and 88:
Index TABLE OF CONTENTS PAGE PART
Page 89 and 90:
Index 107.2 Earthing Conductors for
Page 91 and 92:
Index 201 SCOPE 27 202 GENERALLY 27
Page 93 and 94:
Index 207.12.5 Electronic Soft Star
Page 95 and 96:
Index 212.5 New Drawings Submitted
Page 97:
Index 601.1 Generally 82 601.2 Pain
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electrical services minimum requirement - NSW Public Works

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