DA_Pomona

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                                                                                                                                                                                                     EARTHING GUIDELINES
      A                                                                                                                                                                                                                                                                                                                                                                A
                                                                                                                        TELSTRA ACTIVE EARTH                         SAN EARTHING               SAN EARTH RESISTANCE    SAN (SEB) TO NEAREST TELSTRA                      SAN-TAE INTERCONNECTION SOLUTION     DIAGRAM
                                                                                                                        RESISTANCE                                   SYSTEM                     (ASSESSED ON            ACTIVE EARTH (TAE)                                                                     REFERENCE
                                                                                                                        (TAE) STATUS (TO BE                                                     INSTALLATION)
                                                                                                                        CHECKED PART OF SITE
                                                                                                                        VISIT TO DETERMINE SAN
                                                                                                                        EARTH SOLUTION AND
                                                                                                                        INTERCONNECTIVITY)
                                                                                        SCENARIO 3                      <10 OHM                                      6m STRAP + 2* 2.88         >10 OHMS                SAN (SEB) - TAE > 5 METRES                        YG DUCTED EARTH CABLE +              3
                                                                                                                                                                     ELECTRODES                                         (i.e X METRES)                                    BURIED EARTH STRAP IN JOINT USE
                                                                                                                                                                                                                                                                          TRENCH FOR X-5 METRES FROM THE TAE
      B                                                                                                                                                                                                                                                                                                                                                                B




      C                                                                                                                                                                                                                                                                                                                                                                C




                                                                                                                                                                    TELSTRA SERVICE EARTH
                                                                                                                                                                                                               EARTHING SCENARIO 3
      D                                                                                                                                                                                                       SCALE 1:50                                                                                                                                               D
                                                                                                                                                                    EXTENDED TO SITE.
                                                                                                                                                               5m




                                                                                                                                                                    TELSTRA ANTENNA/STRUCTURE                  SITE > 5m FROM IN SPECIFICATION*
                                                                                                                                                                    EARTH EXTENDED                             TELSTRA SERVICE EARTH.
                                                                                                                                                                                                               SERVICE EARTH EXTENDED TO SITE VIA EARTH STRAP
                                                                                                                                                        > 5m




                                                                                                                       35mm² G/Y CABLE
                                                                                                                       IN CONDUIT
                                                                                                                                                                           GAL. STRAP EXTENDED
      E                                                                                                                                                                    TO WITHIN 5m OF SAN                                                                                                                                                                         E


                                                                                                                                                                                                                                                                                                               FOR CONSTRUCTION
                                                                                                                                                        TELSTRA SERVICE EARTH.
                                                                                                                                                        TELSTRA ANTENNA/STRUCTURE EARTH                      ORDER DRAWN     CHKD                   AMENDMENT                      EXAM APPD DATE   ISS
                                                                                                                                                                                                            183929 JM        RW FOR CONSTRUCTION - SP30092467WO015DOWN - SATELLITE IB   DP 18.06.21 0.1
                                                                                                                                                                                                                                                                                                             SATELLITE ACCESS NODE SITE 183929
                                                                                                                                                                      COMPLIANCE BOX                                                                                                                                 POMONA EXCHANGE
                                                                                                                                                                    COMPLETED AS PER DESIGN
      F                                                                                                                                                                                                                                                                                                                    EARTHING SCENARIO 3                         F
                                                                                                                                                                    ALTERATIONS IN RED                                                                                                                             25 RAILWAY PARADE, POMONA, QLD 4568
                                                                                                                                                                    NAME (PRINT)
                                                                                                                                                                                                                                                                                                             DWG                                     SHT       G4-2
                                                                                                                                                                    SIGNATURE                 DATE
                                                                                                                                                                                                                   C Telstra Corporation Limited ABN 33 051 775 556 All rights reserved.                     NO.      QC100259                       NO.   .
                                   1                                                                                          2                                                           3                                                4                                                   5                        Cad file: QC100259.dwg                        A3
The copyright and ownership of this drawing is assigned to Telstra and must not be copied or saved elsewhere without written permission from Telstra.