5.10 PCSR 06-27-1995 - Laserfiche WebLink

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. B. Erosion and sediment control measures shall be coordinated with the different stages of development . Appropriate control measures shall be installed prior to development when necessary to control erosion. C. The smallest practical increment of land shall be exposed at any one time during development. D. When soil is exposed, the exposure shall be for the shortest feasible period of time, but not longer than sixty (60) days. E. Where the topsoil is removed, sufficient aerable soil shall' be set aside for respreading over the developed area. The soil shall be restored to a depth of four (4) inches and shall be of a quality at least equal to the soil quality prior to development. F. Critical erosion areas exposed during construction shall be protected with temporary vegetation, mulching or other acceptable means . G. Sediment basins (debris basins, desilting basins, or • silt traps) shall be installed and maintained to remove sediment from runoff waters from land subject to earth disturbance activities . H. Diversions shall be installed to divert surface water runoff from slopes of ten percent (10%) or steeper. I . Provisions shall be made to effectively accommodate increased runoff from slopes of ten percent (10%) or steeper. J. Cut and fill slopes shall not be steeper than three feet horizontal to one foot vertical (3 : 1) unless stabilized by a retaining wall, rip-rap, or other acceptable means . K. During grading operations, necessary measures for dust control, as required by the City, shall be implemented. 9 . Drainage. The natural drainage system shall be used to the maximum extent feasible for the storage and flow of runoff. The design of the drainage system shall conform to the City' s overall storm water management plan. The following requirements shall also apply: 111 10.37