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Pacific Gas and & E/ectiic Company" wide trench being dug along a 36 inch pipeline, the centerline of the trench would need to ba at least 54 inches [24/2 + 24 + 36/2 = 54] away, or ba entirely dug by hand.) Water jetting to assist vacuum ¢xcavating must ba limited to �000 psig and directed ata 40^ angle to the pipe. All pile driving must be kept a minimum of 3 feat away. Any plans to expose and support a PGBE gas transmission pipeline across an open excavation Head to b¢ approved by PGBE Pipeline Services in writing PRIOR to pertorming the work. 6. BoringTrenchless Installations: PG8E Pipeline Services must review and approve all plans to bore across or parallel to(within 1 O feat) a gas transmission pipeline. There era stringent criteria to pothole the gas transmission facility at regular intervals for all parall¢I bore installations. For bora paths that cross gas transmission pipelines perpendicularly,the pipeline must be pothol¢d a minimum of 2 fast in the horizontal direction of the bore path and a minimum of 24 inches in the vertical direction from the bottom of the pipe with minimum clearances measured from the edge of the pipe in both directions. Standby personnel must watch the locator trace (and every ream pass)the path of the bora as it approaches the pip¢lin¢and visually monitor the pothole (with the exposed transmission pipe) as the bora traverses the pipeline to ensure adequate clearance with the pipeline. The pothole width must account for the inaccuracy of the locating equipment. 7. Substructures: All utility crossings of a gas pipeline should b¢ made as close to perpendicular as feasible (g0^ +/- 15`). All utility lines crossing the gas pipeline must have a minimum of 24 inches of separation from the gas pipeline. Parallel utilities, pole bases,water line 'kicker blocks', storm drain inlets,water meters, valvas, back pressure devices or other utility substructures era not allowed in the PG8E gas pipeline easement. IF previously retired PG8E facilities are in conflict with proposed substructures, PG8E must verify they are safe prior to removal. This includes verification testing of the contents of the facilities, as well as environmental testing of the coating and internal surfaces. Timelines for PG8E completion of this verification will vary depending on the type and location of Facilities in conflict. 8. Structures: No structures are to be built within the PG8E gas pipeline easement. This includes buildings. retaining walls, fences, decks, patios, carports, septic tanks, storage sheds, tanks, loading ramps, or any structure that could limit PGBE's ability to access its facilities. 9. Fencing: Perman¢nt fencing is not allowed within PG8E casements except for perpendicular crossings which must include a 16 foot wid¢gate for vehicular access. Gates will ba secured with PG8E corporation locks. 1 O. Landscaping: Landscaping must be designed to allow PG8E to access the pipeline for maintenance and not intertar¢with pipeline coatings or other cathodic protection systems. No trees, shrubs, brush, vines, and other vegetation may ba planted within the easement area. Only those plants, ground covers, grasses, flow¢rs, and low-growing plants Shat grow unsupported to a maximum of four feet(4') in height at maturity may be planted within the easement area. PG826 Gas and Rlectric Facilities Page 3 Public