Page 39 - Puret Sound Energy Hand Book 1218
P. 39

Chapter 3



                Figure 16         Minimum overhead service line vertical clearances from ground level








                                                SERVICE LINE
                                                (UTILITY OWNED)
                                                                                      SERVICE MAST
                                                                                     CONNECTION POINT

                                              26'
                                                            17-1/2'
                                                                                             13'
                                                                                  12'


                                        STATE HIGHWAYS  STREETS, ALLEYS, COUNTY ROADS,   RESIDENTIAL PROPERTY
                                                      DRIVEWAYS, AND PARKING AREAS



                Minimum             •   A minimum clearance of 3 feet is required between electric service lines and
                clearances              windows, doors, porches, fire escapes, or similar openings.
                from structures,    •   A minimum radial clearance of 3 feet is required between electric service
                building                equipment and the natural gas meter pressure relief vent (see Figure 17).
                openings, and
                gas meters          •   Service lines passing over the roof of another structure (but not attached to that
                                        structure) must maintain the minimum clearances (see Figure 17).
                                    •   Service lines passing over a deck must maintain a minimum clearance of 11 feet
                                        (see Figure 17).

                Figure 17           Minimum clearances over other structures









                                                            SERVICE LINE
                                                            (UTILITY OWNED)


                                                11' MIN
                                                              3-1/2' MIN
                                                                       11' MIN
                                                                                       3'
                                                                                       MIN
                                                                                             GAS
                                                                                             METER
                                                                                   ELECTRIC
                                                                             DECK  METER
                                              ROOFS WITH     ROOFS WITHOUT
                                            PERMANENT ACCESS  PERMANENT ACCESS




               Electric Service Handbook 2017 — Single-Family Residential Projects                          30
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