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Pacific Gas and E/ectric Company Water jetting to assist vacuum excavating must ba limited to 1000 psig and directed ata 40" angle to the pipe. All pile driving must ba Kept a minimum of 3 feet away. Any plans to expose antl supporta PG8.E gas transmission pipeline across an open excavation need to ba approved by PGB.E Pipeline Services in writing PRIOR to partormin9 the work. 6. Boring/Trenchtass Installations: PG&E Pipeline Services must review and approve all plans to bore across or parallel to (within 10 feet) a gas transmission pipelin¢. Thera era stringent criteria to pothole the gas transmission facility at regular Intervals for all parallel bore Installations. For bore paths that cross gas transmission pipelines perpendicularly. the pipelin¢ must be potholed a minimum of 2 feet in the horizontal direction of the bora path and a minimum of 12 inches in the vertical dir¢ction from the bottom of the pipe with minimum cl¢arancas measured from the edge of the pipe in both dir¢ctions. Standby personnel must watch the locator trace (and every ream pass) the path of the bora as it approaches the pip¢lina 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 th¢ locating equipment. 7. Substructures: All utility crossings of a gas pipalina should be made as close to perpendicular as feasible (g0' +/- 15"). All utility lines crossing the gas pipeline must have a minimum of 12 inches of separation from the gas pipeline. Parallel utilities, pole bases, water Iina 'kicker blocks', stone drain inlets, water meters, valvas, back pressure devices or other utility substructures era not allowed in the PGB.E gas pipeline easement. If previously retired PGS.E facilities are in conflict with proposed substructures, PGRE must verify they era safe pdor to removal. This includes verification testing of the contents of the facilities, as well as environmental testing of the coating and internal surtacas. Timelines for PGS.E completion of this verification will vary depending on the type and location of facllitlas in conflict. S. Structures: No structures era to ba bull[ within the PGB.E gas pipeline easement. This Includes buildings, retaining walls, fences, decks, patios, carports, septic tanks, storage shads, tanks, loading ramps, or any structure that could limit PG&E's ability to access its facllitlas. 9. Fencing: Permanent fencing is not allowed within PG&E easements except for perpendicular crossings which must include a 16 foot wide gala for vehicular access. Gatos will be secured with PGB.E corporation locks. 1 O. Landscaping: Landscaping must ba designed to allow PGB.E to access the pipeline for maintenance and not intartara with pipalina coatings or other cathodic protection systems. No trees, shrubs, brush, ulnas. and other vegetation may ba planted within the easement area. Only those plants, ground covers, grasses, flowers, and low -growing plants that grow unsupported to a maximum of four feat (4') in height at maturity may ba planted within the easement area. 11. Cathodic Protection: PG&E pipelines era protected from corrosion with an "Impressed CurcanY' cathodic protection system. Any proposed facilities, such as metal conduit, pipes, PGB�E Gas and Electric Faciliries Page 3