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iL A Portion of Section 18,Township 28 North,Range 05 East,W.M. <br /> \ \ BMP'S TO BE APPLIED AS APPROPRIATE <br /> -� BMP's: C101 Preserving Natural Vegetation W <br /> \ - C105 Stabilized Construction Entrance <br /> C120 Temporary&Permanent Seeding LLi <br /> C121 Mulching O 'co <br /> ` C123 Plastic Covering <br /> C140 Dust Control O �OD a,,N <br /> \ \ C150 Materials on Hand Z 4)a^� <br /> C151 Concrete Handling = >3 A <br /> C153 Material Delivery,Storage and Containment V v o'o C160 Certified Erosion&Sediment Control Lead <br /> ` v C220 Storm Drain Inlet Protection W cM <br /> \ ` C233 Silt Fencing cwLin <br /> ` \ C234 Vegetated Strip r <br /> \\ \ C235 Straw Wattles Z <br /> Mill <br /> NOTE: <br /> ' C 151 -Concrete Washout Area designated in oca <br /> o <br /> centralized location. o <br /> Confirm location with Superintendent on site. <br /> __-) \ \ <br /> Construct Stabilized Temporary �� n� 0 <br /> Construction Entrance per City of i �` ` / <br /> Everett Std Dwg 201 {�o �« ot��' �� �,J ` 5,�_ her D&5 5 vaL <br /> \' \ CONSTRUCTION SWPPP :�,,gc'{pJ 2-q for ccp64Ffcd ND <br /> The 1 elements that are part of a Constriction SWPPP are as follows: <br /> " o S�� \ ' EX,m919 / 1. Mark Clearing Units:Prior to clearing or disturbing the limits must be marked.This element Is `v <br /> part of most normal construction plans as one of the first steps. g <br /> i IE5/0.8*� <br /> i o 2. Establish Construction Access:All erosion control plans shall instal a stabilized construction m Z ' Z <br /> entrance(or other method of preventing sediment transport onto the roads).If a standard <br /> - -i- - - -- - - - - - - - - - - - =�� <br /> gravel construction entrance is proposed,use geo-textile fabric under the rock.Note:a W_ `rL <br /> \ \ a <br /> wheel wash is required for plans that propose winter grading, a o° <br /> 3. Detain Flows:Based on a downstream analysis it may be necessary to detain runoff from a 3 <br /> i \\ site under construction.It may be necessary to construct and use a detention pond to <br /> \ •`\ \ control flows during construction. LU <br /> o <br /> 4. Instal Sediment Controls:If there is runoff from the construction site,sediment shall be <br /> removed from the water.Note that the wafer quality standards must be met. 3 <br /> ` 5. Stabilize Sails:All exposed and non-worked soil shall be stabilized by use of BMP's.Note = ZO there are time periods of allowed exposure that depend on the season.Groundcover > <br /> - - - T - - - - -� - - - - \\ i both w -temporary and permanent need to be part of the construction plans. <br /> 6. Protect Slopes:Cut and fill slopes need to be protected from erosive tows and <br /> concentrated flows until permanent cover and drainage conveyance systems are in <br /> C 140 \ place. U o <br /> P <br /> 7. Protect Drain Inlets:All storm drain inlets require protection from sediment and sit laden o <br /> C 150 wafer. is <br /> U <br /> 8. Stabilize Channels and Outlets:Temporary and permanent conveyance systems shall be < cn <br /> u <br /> i i stabilized to prevent erosion during and after construction.Culvert outlets require W <br /> 0 i protection, o01 <br /> F- <br /> ° 9. Control Pollutants:The plan shop show how all pollutants,including waste materials and J 3 (�j <br /> u demolition debris,will be handled.This includes maintenance of construction equipment, _J = <br /> o fertilizers,application of chemicals,and water treatment systems. _ w <br /> \ i <br /> o <br /> 10. Control De-Watering:The water from de-watering systems for trenches,vaults and m J <br /> s ; \ foundations shallbe discharged into a controlled system. o <br /> U. Maintain BMPs:The plan shall provide for inspection and maintenance of the planned and <br /> installed construction BMPs as well as they removal at the end of the project. <br /> v { 12, Manage the Project:The plan shall outline how the site shall be managed for erosion <br /> - control and identify the management team.It needs to cover phasing,training, U 0 <br /> \ pre-construction conference,coordination with utilities and contractors,monitoring and F- _ <br /> reporting.It shall provide for notice of problems,revisions during construction and U L <br /> o ; \ contingency planning.One of the most important elements In the management of the 0 <br /> u Temporary Amended project is planning for contingencies based on the risk of exposure during phases of the CL <br /> &Soils <br /> Stockpile Area development.It isessential that planning is ongoing throughout the life of the project. <br /> SHEET <br /> o ` 13. Protect on-Site stormwater management BMPs for runoff from roofs and other C3 or C4 <br /> - - - - -- - - ` hard surfaces.On-site Stormwater Management BMPs shall be protected at all <br /> u 0 10, times during the construction process.This may mean that stormwater „x„ <br /> o management BMPs will be installed towards the end of the construction process <br /> LOT 35 TESC PLAN - Scale: 1"=10' to avoid siltation and compaction. _ <br /> ,J <br />