BIL 373 Draft 01 2006-2008 - Laserfiche WebLink

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(d) At any stage of the grading, grubbing or stockpiling work, if the director of public works finds that further work as authorized by an existing permit is likely to create soil erosion problems or to endanger any life, limb, or property, the director may require safety precautions, which may include but shall not be limited to the construction of more gradual slopes, the construction of additional silting or sediment basins, drainage facilities or benches, the removal of rocks, boulders, debris, and other dangerous objects which, if dislodged, are likely to cause injury or damage, the construction of fences or other suitable protective barriers, the planting and sodding of slopes and bare areas and the performance of additional soil compaction. All planted or sodded areas shall be maintained. An irrigation system or watering facilities shall be provided as necessary to ensure proper maintenance. Section 10-28. Drainage. (a) Adequate provisions shall be made to prevent surface waters from damaging the cut face of an excavation or the sloping surfaces of a fill. All drainage provisions shall be designed to carry surface waters to a storm drain system, natural watercourse, or other area approved by the director of public works as a safe place to deposit and receive such waters. (b) Whenever the surface of a lot is excavated or filled, positive drainage shall be provided to prevent the accumulation or retention of surface water in pits, gullies, holes, or similar depressions which may create a public safety hazard. (c) The flow of any existing and known natural underground drainage shall not be impeded or changed so as to cause damage to adjoining property. Section 10-29. Erosion and sedimentation control. All grading, grubbing, and stockpiling permits and operations shall conform to the erosion and sedimentation control standards and guidelines established by the department of public works in conformity with chapters 180C and 342D of the Hawaii Revised Statutes. Section 10-30. Report after grading; notification on completion. (a) When grading involves cuts or fills for which an engineer's soils report is required, the permittee shall submit a report by a licensed engineer summarizing the construction technique, monitoring, and inspection data as well as a statement regarding conformity to this chapter and the project specifications. (b) The permittee or the permittee's agent shall notify the director of public works or the director's representative when the grading operation is ready for final inspection. Final approval shall not be given until all work, including installation of all drainage structures and their protective devices have been completed and the required reports have been submitted. -16-