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25.11.5 Erosion and. Sediment Control 25,.115.1 The- development of this.. subdivision shall conform to. thematural J,urriitation.presented by topography and soil so as to create the least potential for soil erosion, 25.1.1.5.2 Erosion and siltation.control measures shall be. coordinated with the different stages of construction. Appropriate control measures shall be installed prior to and maintained throughout development when necessary to control erosion. 25.11.53 Land` shall be developedi in increments of workable..size such that -adequate erosion and siltation controls can be.. provided as construction progresses. The smallest: practical area of land shall be exposed at any one (1) period of time, 25,11.5.4 When soil is exposed; the exposure shall be for the. shortest feasible period of time;. as. spe..cif edin the development agreement. 25:11..5:5. Where the topsoil is removed, sufficient arable soil shall be set aside for re -spreading .over the developed atea. Topsoil shall be restored.or.provided to a depth of four.(4) inchesand shall be of a quality at least equal to t4 soil qualitypriox to development: 25.11.5.6 Natural vegetation shall .be protected wherever practical. 25.11.5.7 Run-off water shall be .diverted to a sediment basin before being allowed to enter the natural drainage system. r= i 25`r:°5.8 The. cis 'ecliuent control lans7a11. be.sub'ect " "`: , '8. : 5 p ) °x i ppr .al`af the appltca131e Ware' hed Dis' sand the Ci E' eer. Th i '' wa re nest ort From the Ramsc 8�i>l and Water 1. tYg tY r Y 9 , I y :..x Cons icon. D b1ct're ardin $:a 4rosk n coxztco ,�neastires. Tlie;.City may require a soil er, ^elan Bash de osit. 1 g ' •x p a:guara fee err si anscvsxXcol measu `.pare tal en: 7 - w 11.6 Storm 1 A11 sub` ivisiori design'";;shall in�C zporate.adeque-te�pro "'ions.for storm water run-o subject to and a .� 1 of the a Lida ,... � pp pp 1 bershed District d;theP; i y Engineer. 25.11, 6:2 The grade :and drainage requirementsfor each plat shall be. approved by the. applicable Watershed District and the City Engineer at the.expense of theapplicant for the subdivision. Every plat -presented for final signatures shall be accompanied by certifications by the City Engineer that the grade and drainage requirements have been met. In an area not having:municipal storm. sewer trunks, the. -applicant shall he responsible for providing a storm water disposal plan that will. operate 'without damage. to properties outside. the platted areas. 25.11.6.3 No plat. shall be approved by the City Council before the storm dater disposal plan is approved -by both.the.CityEngineer and the'Watershed District. 25111.6.4 The use of` dry wells for the purpose of storm water. disposal is prohibited in the City of Gem Lake. 25.,11.7 Protected Axe -as 25:1:1.7.1 Where land'proposed for subdivision is found to. be environmentally sensitive by the City,: due to. the existence of wetlands, drainage ways, water courses; floodable areas or steep slopes; the design.:vf said. subdivisions shall clearly reflect: all necessary measures: of protectiion.to insure against adverse environmental impact.: 25.1.1.7.2 Based upon the necessity to control and maintain certain sensitive areas, the City shalldetermine whether said protection will be -accomplished through lot enlargement and redesign or dedication of these. sensitive.areas in the form of outlots. Updated June 5, 2017 Gem... Lake Consolidated Land Use Ordinance --.Page 135