Laserfiche WebLink
BANK TOE HABITAT RESTORATION <br />STANDARD DETAIL PLATE-WSB402-BTH <br />REVISED 4 IW1 ] <br />WTTO SCA EXISTING STREAMBANK <br />(TYPICAL) <br />I _ _ <br />NORMAL WATER LEVEL <br />(TYPICAL <br />/ 2 3 <br />EXISTING STR/EAMBED <br />(TYPICAL) <br />NOTES <br />1.THIS STANDARDIZED DESIGN MUST BE ADAPTED TO THE SITE AS CONDITIONS DICTATE. <br />2. IRREGULARLY PLACE ROCK AT TOE OF BANK TO CREATE SMALL GAPS AND OVERHANGS FOR FISH AND INVERTEBRATE HABITAT <br />3. 5:1 SLOPES ARE TYPICALIOPTIMAL FOR BANK SHAPING, BUT SHALL BEA MAXIMUM OF 2:1 SLOPES <br />4. TOP OF TOE ROCK SHALL BE 0.75' - T ABOVE NORMAL WATER LEVEL <br />5.PRESERVE EXISTING STREAMBANK VEGETATION WHENEVER POSSIBLE. <br />6. DURING GRADING, SEPARATE ORGANIC RICH TOPSOIL FOR SEED BED PREPARATION <br />7. SEEDING AND STABILIZATION TO OCCUR WITHIN 24HRS OF COMPLETION DURING APPLICABLE FISH SPAWNING PERIODS <br />8. MATERIAL FOR ROCK WIERS, J-HOOKS, DEFLECTORS AND BANK TOE HABITAT SHALL CONFORM TO THE FOLLOWING SIZE, SHAPE AND GRADATION: <br />1 <br />ROCK A -AXIS B-AXIS C-AXIS <br />WSB <br />MIN. SIZE <br />30" <br />24" <br />T211.'.MAX.512E46" <br />TOE ROCK RESTORATION DETAIL <br />SCALE: NOT TO SCALE <br />a <br />L <br />CD <br />TOE WOOD CONSTRUCTION NOTES <br />1. FOOTER LOGS AND CROSS LOGS SHALL BE HARDWOOD SPECIES AND FREE FROM DECAY OR ROT. <br />2, FOOTER LOGS AND CROSS LOGS SHALL BE A MINIMUM OF 10 INCHES IN DIAMETER. <br />3. CROSS LOGS SHALL HAVE ROOT BALLS INTACT AND HAVE A MINIMUM DIAMETER OF 3 FEET. ALL CROSS LOGS SHALL HAVE A SHARPENED END AND BE <br />DRIVEN INTO THE BANK. IF CROSS LOG IS LONGER THAN 15 FEET, IT SHALL BE ANGLED INTO FLOW. IF CROSS LOG IS 10-15 FEET, IT SHALL BE <br />PERPENDICULAR TO FLOW. <br />4. CLASS I RIPRAP SHALL BE USED AS BEDDING AND BACKFILL OVER TOP OF THE CROSS LOG. BEDDING SHALL EXTEND A MINIMUM OF 4 FEET SHOREWARD <br />FROM THE BACK OF THE FOOTER LOGS AND BACKFILL SHALL EXTEND A MINIMUM OF 7 FEET SHOREWARD FROM THE ROOT BALL. BEDDING AND BACKFILL <br />SHALL BE A MINIMUM OF 1 FOOT THICK. <br />5. BRUSH MATTRESS MATERIAL SHALL CONSIST OF SMALL LOGS, LIMBS, AND TREE TOPS LESS THAN 6 INCHES IN DIAMETER. BRUSH MATTRESS MATERIAL <br />SHALL BE WORKED INTO THE ROOT BALL. <br />6. BACKFILL MATERIAL SHALL CONSIST OF COMPACTED SOIL GENERATED FROM ON -SITE EXCAVATION WITH A MINIMUM THICKNESS OF 2 FEET. <br />7. THE EXPOSED FRONT FACE OF THE BACKFILL MATERIAL SHALL BE RESTRAINED AND PROTECTED BY WRAPPING AND STAKING WITH <br />GEOCOIR/DEKOWE 700 OR APPROVED EQUAL. BLANKET SHALL BE STAKED WITH 24" DEAD STOUT STAKES. <br />8. THE TOP LAYER OF THE TOE WOOD STRUCTURE SHALL BE SOD MAT GENERATED FROM ON -SITE EXCAVATION AREAS AND STOCKPILED UNTIL INSTALLED. <br />SOD MAT SHALL BE A MINIMUM OF 6 INCHES THICK. <br />NOTES: <br />A MINIUM OF TWO CROSS LOGS PER FOOTER LOG IS <br />REQUIRED TO ANCHOR FOOTER LOG. <br />1 Plan View� <br />ROOT WAD DETAIL <br />SCALE: NOT TO SCALE <br />;ROBS LOG <br />FOOTERLOGS <br />10 FT. MIN. LENGTH <br />INSTALL LIVE STAKES <br />PER DETAIL #6 <br />SOD MAT <br />EL. 876 <br />1:1 <br />MIN. 10' <br />BANKFILL BENCH <br />SODMAT & <br />SEED MULCH <br />2o:t <br />3' = I=11 III=II�III=II�III=11 <br />� � I <br />�5' <br />CLASS IRIPRAP FOOTER LOGS CROSS LOG <br />BACKFILL <br />L.870 <br />MIN. 10' <br />2 Profile View <br />PLAN VIEW <br />B Benchmark EL ------ Description: <br />T <br />Y C <br />O <br />oao � r <br />FLOW NOT TO SCALE <br />oa <br />O O <br />� o Rock Riprap <br />0 0 <br />A <br />A <br />0 0 <br />4:1 Slope __:1 <br />0 <br />�o O <br />00� <br />J <br />C <br />Y <br />B <br />4' <br />NOTES: <br />1. Rock gradation shall meet MNDOT requirement for GRAD. N0. A/5 riprap, <br />quality designation "A", or as designated by engineer. <br />2. Use largest individual stones from available material as shown for the <br />emergent boulders and crest stone. <br />3. Riffle slope shall be 20:1 or flatter where fish passage is required. <br />� STREAM BANK <br />NRCS <br />b 0 STABILIZATION ROCK <br />RIFFLE DETAILS <br />� o.a.�� a ro�• ssw>1.a <br />SEED HYDROMULCH <br />/-3:1 OR4:1 <br />G GROUND <br />:TED SOIL <br />MAT <br />J <br />City OL <br />River 0 C <br />Opi, , A <br />Cf,. <br />w <br />wsb <br />WSB PROJECT NO.: <br />015125-000 <br />SCALE: DESIGN BY: <br />AS SHOWN LC <br />PLAN BY: CHECK BY: <br />CKJ ARA <br />Z s <br />W <br />0 <br />d <br />o> w <br />UZ7p <br />w�oz <br />NOa <br />zw¢ ^ <br />ayQ i,z <br />m o= W z ON J <br />�ZQ� w <br />¢Ma� x <br />ro�D,°Ow <br />w�wW3 � <br />=00L)3 0 <br />ry <br />U) <br />oz <br />w <br />> <br />Z w <br />� <br />L1J <br />O <br />LLI <br />W Q <br />Y cj� <br />LL <br />Q <br />J a- <br />� <br />U <br />MISCELLANEOUS <br />DETAILS <br />SHEET <br />4 <br />OF <br />17 <br />