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1 <br /> planned for the project. This type of schedule guides the contractor on work to be done <br /> before other work is started so that serious erosion and sedimentation problems can be <br /> avoided. <br /> Followinga specified work schedule that coordinates the timingof land-disturbingactiv- <br /> ities and the installation of control measures is perhaps the most cost-effective way of <br /> 1111 controlling erosion during construction. The removal of surface ground cover leaves a <br /> site vulnerable to accelerated erosion. Construction procedures that limit land clearing <br /> provide timely installation of erosion and sedimentation controls, and restore protective <br /> cover quickly can significantly reduce the erosion potential of a site. <br /> Design Considerations <br /> . Minimize construction during rainy periods. <br /> . Schedule projects to disturb only small portions of the site at any one time. Com- <br /> plete grading as soon as possible. Immediately stabilize the disturbed portion <br /> before grading the next portion. Practice staged seeding in order to revegetate cut <br /> Iand fill slopes as the work progresses. <br /> I <br /> 1 <br /> I <br /> I <br /> 1 <br /> I <br /> I <br /> 2014 Stormwater Management Manual for Western Washington <br /> Volume Il-Chapter 4 -Page 327 <br />