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A Portion of Section 18,Township 28 North, Range 05 East,W.M. <br /> BMP'S TO BE APPLIED AS APPROPRIATE 0 <br /> a i\\ BMP'S: C101 Preserving Natural Vegetation <br /> C105 Stabilized Construction Entrance C` <br /> \ C120 Temporary&Permanent Seeding LLi <br /> \ C121 Mulching << z N <br /> Temporary Amended C123 Plastic Covering air 00 <br /> Soils Stockpile Area C140 Dust Control v'n <br /> C150 Materials on Hand m Q o, <br /> 51' C151 Concrete Handling a <br /> C 153 Material Delivery,Storage and Containment C s -0 <br /> 1 C160 Certified Erosion&Sediment Control Lead (�� .606 <br /> C220 Storm Drain Inlet Protection <br /> C233 Silt Fencing00 <br /> I C234 Vegetated Strip °p <br /> C235 Straw Wattles r' <br /> N 3 <br /> NOTE: z <br /> C151 -Concrete Washout Area designated in o ° <br /> centralized location. ° <br /> I Confirm location with Superintendent on site. 3 <br /> < <br /> I 4 9 <br /> CONSTRUCTION SWPPP <br /> 2 e ements that are part of a Construction SWPPP are as fol <br /> 1. Mark Clearing Limits:Prior to clearing or disturbing the limits must be marked.This element is <br /> port of most normal construction plans as one of the first steps. <br /> oar <br /> 2• Estabfsh Construction Access:AN erosion control plans shall instal a stabilized construction Y z ' p <br /> / entrance(or other method of preventing sediment transport onto the roads).If a standard uu,3 w 2i <br /> %s gravel construction entrance is proposed,use geo-texhle fabric under the rock.Note:a �_� <br /> wheel wash is required for plans that propose winter grading, <br /> 3. Detain Flows:Based on a downstream analysis it may be necessary to detain runoff from a 3 <br /> / site under construction.It may be necessary to construct and use a detention pond to w <br /> control flows during construction. <br /> c <br /> N N o <br /> 4. Instal Sediment Controls:If there is runoff from the construction site,sediment shah be } CO <br /> removed from the water.Note that the water quality standards must be met. 3 <br /> Ears{ing[eve/ 5. Stabilize Soils:All exposed and non-worked sal shot be stabilized by use of BMP's.Note = 2 K <br /> Spreader - _7 there are time periods of allowed exposure that depend on the season.Groundcover w <br /> _ - both temporary and permanent need to be part of the construction plans. N <br /> 514 <br /> OC 140 6. Protect Slopes:Cut and fill slopes need to be protected from erosive flows and `" a m <br /> 7> sir concentrated flaws until permanent cover and drainage conveyance systems ore in <br /> C 150 y I place. U O <br /> SO' Construct Stabilized Temporary _ 7. Protect Drain Inlets:Al storm drain inlets require protection from sediment and silt laden o <br /> Ex.Melei SSCO Construction Access per City of water. <br /> 1E50.76+ Everett St Dwg 201 o U <br /> N r'� 8. Stabilize Channels and Outlets:Temporary and permanent conveyance systems shag be Q <br /> Tom ' - — - - — - stabilized to event erosion duri and after construction.Culvert outlets require <br /> - - - - l r '1 it - - - - - -- - - - - - - - - - - - - - <br /> ��'-- ' _ -.-.N prevent n9 q_ o w <br /> ,. f jam-:, �- protection. O0 1— <br /> �.._ - - -- - - <br /> o �� 9. Pollutants: n shall w howII pollutants,including w materials and 3 <br /> -<� an debris,will t e handled.This includes maintenance of construction equipment, _J - <br /> Control <br /> w--- yr--- w--- w _�� �t_y,�.-_{lj��'-�. ___ �,r_ _ yr__, r___ yr_-_ yr __ yr--- w ferhLzers,application of chemicals,and water treatment systems. = t <br /> em O <br /> -- <br /> -- �_ ��`� 10. Control De-Watering:The water from de-watering systems for trenches,vaults and C) o <br /> o )^_r '`�_( ; r ;_ foundations shill be discharged into a controlled system. r <br /> s <br /> r t r l - -- ---s: ---s.---ss--- s--- --- --- 11. Maintain BMPs:The plan shill provide for inspection and maintenance of the planned and <br /> - ?> %� `�` :' ss installed construction BMPs as well as their removal at the end of the project. <br /> o ss- 7 Pry -0 x <br /> 12. Manage the Project:The plan shag outline how the site shag be managed for erosion 2 <br /> control and identify the management team.It needs to cover phasing,training, U <br /> _ _ _ _ _ _ _ __ <br /> -''s; ' Aisle A ' t - - — - -.— pre construction conference,coordination with utilities and contractors,monitoring and <br /> o e_1 r reporting.It shall provide for notice of problems,revisions during construction and U r <br /> o 4 contingency planning.One of the most important elements in the management of the U o <br /> ° project is planning for contingencies based on the risk of exposure during phases of the co <br /> -�� so---- Pr 1 � 9 � 9 <br /> _ o--- <br /> cp---c0---so development.It is essential that planning is ongoing throughout the rife of the project. o <br /> _ A `°-`- 9 13. Protect on-Site stormwater management BMPs for runoff from roofs and other C3 SHE C4 <br /> - - - - - - <br /> _ $D--- hard surfaces.On-site Stormwater Management BMPs shall be protected at all <br /> W 0 10, times during the construction process.This may mean that stormwater 11.17 <br /> management BMPs will be installed towards the end of the construction process <br /> LOT 2 TESC PLAN to avoid siltation and compaction. _ <br /> Scale: 1"=10' <br />