Laserfiche WebLink
Surface Roughening (SR) EC-1 <br /> SR <br /> r TRACKING OR <br /> �f IMPRINTING <br /> ^� 6" MAX <br /> 1-� <br /> r FURROWS 2" TO 4" DEEP <br /> z" TO WITH 6" MAXIMUM SPACING <br /> 4" DEEP PARALLEL TO CONTOURS <br /> SR- 1 . SURFACE ROUGHENING <br /> FOR STEEP SLOPES (3:1 OR STEEPER) <br /> SCARIFYING <br /> OR TILLING <br /> / <br /> r <br /> / <br /> ROUGHENED ROWS SHALL BE 4" TO 6" <br /> 4" TO 6" DEEP WITH 6" MAXIMUM SPACING PARALLEL <br /> DEEP TO CONTOURS <br /> SR-2. SURFACE ROUGHENING <br /> FOR LOW SLOPES (LESS THAN 3:1) <br /> November 2010 Urban Drainage and Flood Control District SR-3 <br /> Urban Storm Drainage Criteria Manual Volume 3 <br />