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Figure 11-3.7: Concrete Washout Area with Wood Planks <br />Plan <br />Lath and flagging <br />on 3 sides <br />Sandbag <br />3erm <br />10 mil plastic lining <br />A <br />1m <br />Berm <br />Section A -A <br />._ ..... r.__.._ lining <br />Type "Below Grade" <br />Stake (typ.) <br />iil plastic lining <br />Sandbag <br />•vavo. <br />1. Actual layout <br />determined in the field. <br />2. A concrete washout <br />sign shall be installed <br />within 10 m of the <br />temporary concrete <br />washout facility. <br />Wood frame <br />securely fastened <br />around entire <br />perimeter with two <br />stakes <br />10 mil <br />f plastic lining <br />Section B-B <br />aiv-vavvnvu <br />2x12 rough Plan <br />wood frame <br />Type "Above Grade" with Wood Planks <br />NOT TO SCALE I <br />iiia Concrete Washout Area with Wood Planks <br />Revised June 2016 <br />DEPARTMENT OF <br />ECOLOGY Please see http.AMww.ecy.wa.gov/oopyright.htrnl for copyright notice including permissions, <br />State of Washington limitation of liability, and disclaimer. <br />2019 Stormwater Management Manual for Western Washington <br />Volume 11 - Chapter 3 - Page 324 <br />